Linux IP Masquerade HOWTO
David Ranch, dranch@trinnet.net
v1.95, November 14, 2000
ú{êó: JF Project (jf@linux.or.jp)
v1.0.0j Jul. 12, 2001
±Ì¶ÍA Linux zXgÉ IP }XJ[h@\ð®ì³¹éû@ðÚq
µÜ·B IP }XJ[hÍlbg[NAhXÏ·½Í NAT Ìê`Ô
ÅA³®ÈC^[lbg IP AhXð½È¢àlbg[NãÌR
s
[^ªA Linux BOX ÉèUçê½PêÌC^[lbg IP AhX
ðʶÄC^[lbgÉڱūéæ¤ÉµÜ·B
______________________________________________________________________
Ú
1. ͶßÉ
1.1 IP }XJ[hÌTª
1.2 ¶AtB[hobNÆNWbg
1.3 Copyright & Disclaimer
2. \õm¯
2.1 IP }XJ[hÆÍ
2.2 »ÝÌóÔ
2.3 IP }XJ[hªLpÈê
2.4 IP }XJ[hª³pÈê
2.5 ÇÌæ¤ÉµÄ IP }XJ[hÍ®ì·é©
2.6 IP }XJ[hð Linux 2.2.x Åg¤½ßÌKvð
2.7 IP }XJ[hð Linux 2.3.x yÑ 2.4.x Åg¤½ßÌKvð
2.8 IP }XJ[hð Linux 2.0.x Åg¤½ßÌKvð
3. IP }XJ[hÌÝè
3.1 IP }XJ[hðgÝñ¾J[lÌRpC
3.1.1 Linux 2.2.x J[l
3.1.2 Linux 2.0.x J[l
3.1.3 Linux 2.3.x / 2.4.x J[l
3.2 vCx[glbg[N IP AhXðà LAN ÉèÄé
3.3 IP tH[fBO|V[ðÝè·é
3.3.1 Linux 2.2.x J[l
3.3.2 Linux 2.0.x J[l
4. }XJ[hÚ±·é¼Ìà}VÌÝè
4.1 Microsoft Windows 95 ÅÌÝè
4.2 Windows NT ÅÌÝè
4.3 Windows for Workgroup 3.11 ÅÌÝè
4.4 UNIX nVXeÅÌÝè
4.5 NCSA Telnet pbP[Wðgpµ½ DOS ÌÝè
4.6 MacTCP Ì®ì·é MacOS x[XVXeÅÌÝè
4.7 Open Transport Ì®ì·é MacOS x[XVXeÅÌÝè
4.8 DNS ðgpµ½ Novell lbg[NÅÌÝè
4.9 OS/2 Warp ÅÌÝè
4.10 IBM AS/400 ÅÒ·é OS/400 ÅÌÝè
4.11 »Ì¼ÌVXeÅÌÝè
5. IP }XJ[hÌeXg
5.1 [J PC ÌÚ±eXg
5.2 Linux ÌàÚ±ÌeXg
5.3 Linux ÌOÚ±ÌeXg
5.4 [J PC ©ç Linux ÖÌÚ±eXg
5.5 à}XJ[hÌ ICMP ]ÌeXg
5.6 }XJ[h³ê½ ICMP ÌO]ÌeXg
5.7 DNS ðgíÈ¢}XJ[h@\ÌeXg
5.8 DNS ðgÁ½}XJ[h@\ÌeXg
5.9 DNS ðgÁ½}XJ[h@\ÌÇÁeXg
5.10 »Ì¼Ì@\A«\ÉÖ·é
6. IP }XJ[hÉÖAµ½»Ì¼ÌÚÆ\tgEGAT|[g
6.1 IP }XJ[hÉÖWµ½âè
6.2 O©çüÁÄéT[rX
6.3 T|[gµÄ¢éNCAg\tgEGAƻ̼ÌÝèîñ
6.3.1 IP }XJ[hÅ®ì·élbg[NNCAg
6.3.2 IP }XJ[hÅ®SÉÍT|[g³êĢȢàÌ -
6.4 æèÍÈ IP t@CAEI[ (IPFWADM) [Zbg
6.5 IPCHAINS Éæé³çÉÅÈ IP t@CAEI[E[Zbg
6.6 ¡Ìàlbg[NÖÌ IP }XJ[h
6.7 If}hE_CAAbvÚ±ÅÌ IP }XJ[h
6.8 IPPORTFW, IPMASQADM, IPAUTOFW, REDIR, UDPRED, yѻ̼Ì|[g]c[
6.8.1 2.2.x nJ[lÅÌAIPPORTFW T|[g« IPMASQADM
6.8.2 2.0.x nJ[lÅÌ IPPORTFW
6.9 CU-SeeMe Æ Linux Ì IP }XJ[h
6.10 ~rXÐÌ ICQ
6.11 Q[}[ü¯ - LooseUDP pb`
7. æ é¿â (FAQ)
7.1 IP }XJ[hðT|[gµÄ¢é Linux fBXgr
[VÍÇêÅ·©H
7.2 IP }XJ[hðg¤½ßÌAn[hEFAÉÅáÀKvÈðÆ §Àð³¦Ä¾³¢B»êÅÇñÈ«\ªoÜ·©?
7.3 rc.firewall R}hðÀsµ½çuR}hª©Â©èܹñv (command not found) Æ¢¤G[ª¶µÜµ½BȺŵå¤?
7.4 ÝèðSÄ`FbNµÜµ½ªA¢¾ IP }XJ[hð®ì³¹é ±ÆªÅ«Ü¹ñBǤµ½çæ¢Åµå¤©?
7.5 IP }XJ[hE[OXgâ IP }XJ[hEJÒ [OXgÉQÁµ½èA»ÌA[JCuð©éÉÍǤ·êÎǢŷ©?
7.6 IP }XJ[hÍAvLVâ NAT T[rXÆǤá¤Ìŵ天?
7.7 GUI Ì t@CA[EH[ì¬Çc[Í èÜ·©?
7.8 IP }XJ[hÍ®IÉèÄçê½ IP AhXÅ®ìµÜ·©?
7.9 P[uEf(oûüÆfE^[̼û)âA DSL, q¯NðgpµÄC^[lbgÉÚ±µA IP }XJ[hð g¤±ÆªÅ«Ü·©?
7.10 Diald Ü½Í PPPd Ì_CAIf}h@\ð IP }XJ[hÆ êÉg¦éŵ天?
7.11 IP }XJ[hÅÍAÇñÈAvP[VªT|[g³êĢܷ©?
7.12 ǤâÁ½ç IP }XJ[hð Redhat, Debian, Slackware Å Ò³¹é±ÆªÅ«Ü·©?
7.13 µÎµÎgpµÄ¢È¢Æ TELNET Ú±ªØêéæ¤É©¦Ü·B Ⱥŵ天?
7.14 C^[lbgÚ±ðµæ¤ÆµÄàAÅÍڱūܹñB à¤êxâÁÄÝéÆAâèÈ®ìµÜ·BȺŵ天?
7.15 ( MTU ) - IP }XJ[hͤܮìµÄ¢éæ¤É©¦Ü·B µ©µA¢Â©ÌTCgÅÍ®ìµÜ¹ñB ±êÍAÊí WWW Æ FTP ÅN±èÜ·B
7.15.1 PPP NÌ MTU ÌÏX -
7.15.2 â UNIX ÌVAC^[tF[X -
7.15.3 PPPoE [U -
7.15.4 Linux:
7.15.5 MS Windows 95 -
7.15.6 MS Windows 98 -
7.15.7 MS Windows NT 4.x
7.15.8 MS Windows 2000
7.16 IP }XJ[h FTP NCAgª®ìµÜ¹ñB
7.17 IP }XJ[hªx¢æ¤É©¦Ü·B
7.18 PORTFW ð IP }XJ[hÅgÁĢܷªACª·¢ÔÒ¿óÔÉ ÈéÆØêĵܢܷB
7.19 IP }XJ[h𮩷±ÆªÅ«Üµ½ªASYSLOG ÌOt@CÉ çäéíÞÌÈÊmâG[ðó¯æÁĢܷB IPFWADM â IPCHAINS Ìt@CAEH[G[ðǤÇßÎæ¢Åµå¤©?
7.20 C^[lbg[Uª¼ÚÉà}XJ[hENCAgÆAð æé±ÆªÅ«éæ¤É IP }XJ[hðÝèÅ«Ü·©?
7.21 SYSLOG t@CÉ "kernel: ip_masq_new(proto=UDP): no free ports." Ì bZ[Wª èÜ·B Ǥµ½Ìŵå¤?
7.22 IPPORTFW ðg¨¤Æ·éÆ "ipfwadm: setsockopt failed: Protocol not available" Æ¢¤G[ªoÜ·B
7.23 ( SAMBA ) - Microsoft t@CÆv^¤p (File and Print Sharing) Æ Microsoft hCNCAgª IP }XJ[hÅ®ìµÜ¹ñB Microsoft Ì SMB vgRðKØÉT|[g·éÉÍA IP }XJ[hE W
[ª©êéKvª èÜ·ªA3 ÂÌÀsÂ\Èû@ª èÜ·B Ú×Í AURL CDATA http://support.microsoft.com/support/kb/articles/q172/2/27.aspANAME CDATA this Microsoft KnowledgeBase article(HTMLURL)HTMLURL ð©Ä¾³¢B
7.24 ( IDENT ) - IRC ª}XJ[hENCAgÌ IRC [UÅ¤Ü ®ìµÜ¹ñB Ⱥŵ天?
7.25 ( DCC ) - mIRC Ì DCC Mª®ìµÜ¹ñB
7.26 ( IP Aliasing ) - IP }XJ[hÍ1¾¯ÌC[Tlbg lbg[NJ[hÅ®ìµÜ·©?
7.27 ( MULTI-LAN ) - Í 2 ÂÌ}XJ[h³ê½ LANðÁĢܷªA»êçÍÝ¢ÉÊMūܹñB
7.28 ( SHAPING ) - ÍAÁèÌ^CvÌgtBbN̬xð§Àµ½¢Æv¢Ü·B
7.29 ( ACCOUNTING ) - ÍNªlbg[NðgpµÄ¢é©É¢ÄÇ·éKvª èÜ·B
7.30 ( MULTIPLE IPs ) - ¢Â©ÌO IP AhXðgÁÄA¢Â©Ìà}VÖ PORTFW µ½¢ÌÅ·ªÇÌæ¤ÉâéÌŵ天B
7.31 Í}XJ[h³ê½Ú±ð©é×A NETSTAT R}hð g¨¤ÆµÜµ½ªA±êª®ìµÄêܹñB
7.32 ( VPNs ) - Microsoft PPTP (GRE tunnels) Ü½Í IPSEC (Linux SWAN) glð IP }XJ[h ðʵÄg¢½¢ÌÅ·ªB
7.33 XYZ lbg[NEQ[ð IP }XJ[h ðʵÄg¢½¢ÌÅ·ªA ¤Ü¢«Ü¹ñB¯Ä!
7.34 IP }XJ[h ÍbÌÔͤܮìµÜ·B µ©µA»ÌãA®ìµÈÈèÜ·B ÄN®·éÆbÌÔ±êªð³ê½æ¤É©¦Ü·B Ⱥŵ天?
7.35 lbg[NàÌ}XJ[h³êÄ¢éRs
[^ª SMTP â POP-3 [ðÁÄêܹñ!
7.36 ( IPROUTE2 ) - ÍAOÉoé½ßÌÙÈéO IP AhXðAÙÈé à}XJ[hlbg[NÌeXÉèÄéKvª èÜ·B
7.37 ȺVµ¢ 2.1.x yÑ 2.2.x J[lÍAIPFWADM ÌãíèÉ IPCHAINS ðg¤ÌÅ·©?
7.38 J[lð 2.2.x ÉAbvO[hµ½çA IP }XJ[hª ®©ÈÈèܵ½BȺŵå¤?
7.39 J[lð 2.0.38 ( é¢Í»êÈ~) ÉAbvO[hµ½çA IP }XJ[hª®©ÈÈèܵ½BȺŵå¤?
7.40 EQL Ú±Æ IP }XJ[hðg½¢ÌÅ·ªB
7.41 IP }XJ[hª®ìµÄêܹñ! Windows vbgtH[ãÅÌIðÍ èÜ·©?
7.42 IP}XJ[hJɦ͵½¢ÌÅ·ªA½ªÅ«Ü·©?
7.43 IP }XJ[hÌîñªàÁÆ~µ¢ÌÅ·ªB
7.44 ±Ì HOWTO ðÊ̾êÉ|óµ½¢ÌÅ·ªAǤ·ê΢¢Åµå¤?
7.45 ±Ì HOWTO ÍÃÈÁÄ¢éæ¤É©¦Ü·ªAܾ±êðÛçµ±¯Ä ¢Ü·©? ...ÉÖ·éîñðÇÁµÄàç¦Ü·©? ±Ì HOWTO ðüP·é\èÍ èÜ·©?
7.46 IP}XJ[hª®ìµÄêܵ½B ±êÍf°çµ¢! Í È½ª½É´Óµ½¢ÌÅ·ªA½ªÅ«éŵ天?
8. »Ì¼Ìîñ
8.1 LpÈîñ¹
8.2 Linux IP }XJ[hÌîñ¹
8.3 Ó«
8.4 Ql¶£
8.5 ÏX_
9. ú{êóÉ¢Ä
______________________________________________________________________
1. ͶßÉ
1.1. IP }XJ[hÌTª
±Ì¶ÅÍALinux zXgÅ IP }XJ[hðs¤û@É¢ÄྵÜ
·B IP }XJ[hÍlbg[NAhXÏ·A·Èí¿ NAT Ìêí
ÅA±êðg¤Æàlbg[NÌRs
[^ª¡Ìö®ÈC^[
lbgAhXð½ÈÄà Linux BOX ̽¾êÂÌC^[lbg IP
AhXðgÁÄC^[lbgÉڱūéæ¤ÉÈèÜ·B±êç}V
Æ Linux zXgÆÍAC[TlbgATokenRing, FDDI Ì LAN ðp¢éû
@¾¯ÅÈA_CAbv ppp â SLIP NAFXÈ`ÔÅÚ±·
é±ÆªÂ\Å·B±Ì¶ÅÍåÉAÅàêÊIÈC[Tlbgڱɢ
ÄྵܷB
±Ì¶ÍÀèÅJ[l 2.0.38 È~Ü½Í 2.2.1 È~ð IBM
Ý· PC ÅgÁÄ¢é[U[ü¯É©êĢܷBJ[l
1.2.x, 1.3.x ÈÇÌâo[Wâ 2.1.x ͵ÁĢܹñB
ܽJ[lÌo[WÉæÁÄÍ®ìµÈ¢àÌ é©àmê
ܹñB IP }XJ[hðg¤OÉAÀèÅJ[lÌÇê©ê
ÂÉXVµÄ¨¢Ä¾³¢BVµ¢ 2.3 â 2.4 J[lÌ
NetFilter R[hÍ¢¾µÁĢܹñªAQlÌ×É URL ðL
ڵĢܷB NetFilter Ì@\ªÅÜÁ½çAÅVR[hÅÌ
g¢ûð HOWTO ÌÅæèµÁÄ¢«Ü·B
àµA IP }XJ[hð}bLgbV
Åg¨¤ÆµÄ¢éÈ
çA Taro Fukunaga, tarozax@earthlink.net É E [ðÁ
ÄAÞª¢½±Ì HOWTO Ì Mklinux po[WÌRs[ðà
çÁľ³¢B
1.2. ¶AtB[hobNÆNWbg
ÍA Linux J[lÉ IP }XJ[hðÝè·é±ÆÍAVµ¢[U
ÉÆÁÄ©ÈèïîȱƾƢ¤±ÆÉCt«Üµ½ (J[l 1.2.x È
OÌ Ì±ÆÅ·)B FAQ â[OXgª¶ÝµÄ¢éÉàSç¸A±
Ì_ðêåÉðൽ¶ÍÈ©Á½ÌÅ·BܽA[OXgÉÍA
»Ìæ¤È HOWTO ðß麪½x©ñ¹çêĢܵ½B»±ÅÍAV
µ¢[U[̽ßÌ誩èƵÄAܽàÁÆm¯Ì é[U[ɶ
ð¢Äà礽ßÌ@«äƵÄA±Ì¶ð±ÆðSµ½ÌÅ·B
±Ì¶Ìoª]èÇÈ¢Ævíê½çA¶ÈÉ»¤¾Áľ³
¢BüPµÄ¢«½¢Æv¢Ü·B
±Ì¶ÍA Ken Eves Éæé FAQ ÆAIP }XJ[h[OXg
ɬê½òRÌLvÈbZ[WɽðÁĢܷBܽª IP }XJ
[hðÝèµAÅIIÉͱ̶ð«Á©¯ÆÈÁ½bZ[Wð
[OXgÅÁÄê½ Matthew Driver ÉÍAÁÊÈ´ÓÌÓð\
µ½¢Æv¢Ü·BÅßADavid Ranch ª±Ì HOWTO ðÅ«éÀè®SÉ·
é½ßÉ©Èè̪ðÇÁµA«¼µÜµ½B
îñªÔáÁÄ¢½èA²¯¿Ä¢éêÉÍA¶È[ð
ambrose@writeme.com yÑ dranch@trinnet.net ÉÁľ³¢B ȽÌ
MdÈtB[hobNÍA«ÁÆ±Ì HOWTO ɽf³êÜ·!
yó: ú{êóÉÖ·éRgÍA Linux JF Project <jf@linux.or.jp>
¨è¢µÜ·Bz
±Ì HOWTO ÍAū龯ZÔÅ IP }XJ[hðg¦éæ¤É·é½
ßÌ ÈPÈKChƵĩê½àÌÅ·B David ÍeNjJC^[Å
Í èܹñ©çA ±Ì¶ÌîñÍêÊIÅÈ©Á½èAqϫɯ
Ä¢é±Æà éŵå¤B±Ì HOWTO â IP }XJ[hÉÖ·éÅVÌ
j
[XâîñÍAäXª¸ÍIÉeiXµÄ¢é IP }XJ[hÌ
îñ¹ <http://ipmasq.cjb.net/> web y[WÉ èÜ·B IP }XJ[h
ÉÖ·éZpIȿ⪠éêÉÍADavid É[ðç¸É IP }XJ
[h[OXgÉQÁµÄ¾³¢B}XJ[hÉÖ·éâèÌw
ÇÍ}XJ[h[UɤÊÌâèÅ èA[OXgãÌN©ªÈ
PÉðµÄêéŵå¤B»êÉ[OXg©çÌñÌûªA
David ©çÌñæè¸ÁƢŷB
±Ì¶ÌÅVo[WÍAȺÌTCgÉ èÜ·B HTML Æ|XgXN
vgÌo[Wà èÜ·B
o http://ipmasq.cjb.net/ - IP }XJ[hÌîñ¹
o http://ipmasq2.cjb.net/ - IP }XJ[hÌîñ¹E~[TCg
o The Linux Documentation Project
o Dranch's Linux page
o ¼Ì[J~[TCgƵÄIP }XJ[hÌîñ¹E~[TCg
Ìê <http://ipmasq.cjb.net/index.html#mirror>àQƵľ³
¢B
1.3. Copyright & Disclaimer
yó: ±ÌªÍ´¶ð»ÌÜܦµÜ·Bz
This document is copyright(c) 2000 David Ranch and it is a FREE
document. You may redistribute it under the terms of the GNU General
Public License.
The information herein this document is, to the best of David's
knowledge, correct. However, the Linux IP Masquerade feature is
written by humans and thus, there is the chance that mistakes, bugs,
etc. might happen from time to time.
No person, group, or other body is responsible for any damage on your
computer(s) and any other losses by using the information on this
document. i.e.
THE AUTHORS AND ALL MAINTAINERS ARE NOT RESPONSIBLE FOR ANY
DAMAGES INCURRED DUE TO ACTIONS TAKEN BASED ON THE INFORMA-
TION IN THIS DOCUMENT.
³ õªÅ«½ÌÅA{èÉüèܵå¤B
2. \õm¯
2.1. IP }XJ[hÆÍ
IP }XJ[hÍA Linux ɨ¯élbg[LO@\Å èA½Ì¤
pÌt@CAEH[âlbg[N[^É©ó¯çêé 1Î½Ì NAT
(Network Address Translation: lbg[NAhXÏ·) ÆĢܷB
áƵÄA Linux zXgª PPP âC[TlbgÉÄC^[lbgÉÚ±
³êÄ¢éƵܵå¤B IP }XJ[hÌÁ¥Í Linux {bNXÉ (PPP
âC[TlbgÉÄ) Ú±³êé "àÌ" Rs
[^ÉàµC^
[lbgðpÅ«éæ¤ÉµÜ·B Linux Ì IP }XJ[fBOÍA
à}Vªö®ÉèÄçê½ IP AhXð½ÈÄàAà}V
ªC^[lbgÉڱūéæ¤ÉµÜ·B
}XJ[hÍA }XJ[hQ[gEFCðoRµÄASÄÌ}VðB
µÄC^[lbgÉANZXÅ«éæ¤ÉµÜ·BC^[lbgã̼Ì
}V©çÍA¶·éSÄÌgtBbNÍ ½©à IP }XJ[h
Linux T[o©g©çÌàÌÅ éæ¤É©¦Ü·B»ÌÇÁ@\ÉÁ¦ÄA
IP }XJ[hÍñíÉÀSÈlbg[LO«ðìé½ßÌyäðñ
µÜ·BµÁ©èìçê½t@CAEH[ðº¦ÎAµÁ©èÝè³ê½
}XJ[hVXeÆàÌ LAN ÌZL
eBðó·±ÆÍ©Èèïµ
Èéŵå¤B
}XJ[hª 1Î1 Ì NAT âvLVÉæéâèðû@ÆÇÌæ¤Éá
¤Ì©AàÁÆmè½¢ûÍA FAQ ÌÍ Ì ``IP }XJ[hÍAvLV
â NAT T[rXÆǤá¤Ìŵ天?'' ð²¾³¢B
2.2. »ÝÌóÔ
IP }XJ[hͽNàÌÔgí걯ĨèALinux J[l 2.2.x Ìi
KÉ é»ÝAÆÄà¬nµ½óÔÉ èÜ·B Linux J[l 1.3.x ©
çAMASQ T|[gªgÝÜêĢܷB¡úA½ÌÂlâ¤Æx[XÌ
rWlXɨ¢ÄgíêADGÈÊð¨³ßĢܷB
Web uEWOA TELNET, FTP, PING, TRACEROUTE ÌêÊIÈlbg
[NÌpÍA IP }XJ[hãŤܮìµÜ·B FTP, IRC ÆA
I[fBI (Real Audio) Ìæ¤È¼ÌR~
jP[VÍKØÈ IP MASQ
W
[ð[h·êΤܮìµÜ·BXg[~OI[fBIÌæ
¤È¼Ìlbg[NÉÁLÌvO ( MP3, True Speech ÈÇ) à¯l
É®ìµÜ·B[OXg̽l©ÌDGÈ[UÍrfIïc\tg
EFAɨ¢ÄàÇ¢ÊðoµÜµ½B
àÆOÌC[Tlbglbg[NÌÔð 1 ¾¯Ìlbg[NJ[
h (NIC) ÉÄ IP }XJ[hð®ì³¹é±ÆͨEßūܹñBÚ×
É¢ÄÍ FAQ ÌÍÌ ``IP }XJ[hÍ1¾¯ÌC[Tlbglbg
[NJ[hÅ®ìµÜ·©?'' É éðàð²¾³¢B
Æà©Aæè®SÈT|[gÏÝ\tgEFAÌêÍ ``T|[gµÄ¢
éNCAg\tgEGAƻ̼ÌÝèîñ'' ÌÍð²ÉÈÁľ
³¢B
IP }XJ[hÍA¼ÌlXÈÙÈé OS ân[hEFAvbgtH[
ÉÄÒ·é 'NCAg}V' ÉεAT[oƵÄÇDÉ®ìµÜ
·B
ȺÉàÌ MASQ ³ê½VXeãÅ̬÷áð¦µÜ· -
o Unix: Sun Solaris, *BSD, Linux, Digital UNIX, .
o Microsoft Windows 2000, NT (3.x Æ 4.x), 95/98/ME, Windows for
Workgroups (TCP/IP pbP[WðÜÞ)
o IBM OS/2
o MacTCP ½Í Open Transport Ì¢¸ê©ªÒ·é Apple Macintosh
MacOS }V
o pPbghCoÆ NCSA Telnet pbP[WðÜÞ DOS x[XÌVXe
o VAXen
o Linux Æ NT ªÒ·é Compaq/Digital Alpha
o AmiTCP ½Í AS225-stack ðÜÞ Amiga Rs
[^
±ÌXgÍܾܾ±«Ü·Bv·éÉA TCP/IP ðêé OS vbg
tH[Å êÎA IP }XJ[hÆêÉg¦é͸ÈÌÅ·B
2.3. IP }XJ[hªLpÈê
o C^[lbgÉÚ±³ê½ Linux zXgª èA
o »Ì Linux box É[JTulbgãÅ TCP/IP Ú±³ê½Rs
[
^ª é©A
o Linux zXgÉfªÚ±³êÄ¢ÄA¼ÌRs
[^ÉÚ±·é
PPP ½Í SLIP T[oƵĮìµA
o »êç ¼Ì }VÍö®½Íö¤ÉèÄçê½ IP AhXð½
¸ (·Èí¿AvCx[g TCP/IP ÔªèÄçêÄ¢é)A
o »µÄÜ_A ȽªÇÁÌö®/ö¤Ì TCP/IP AhXð ISP ©çü
èµA Linux ð[^ƵÄÝè·é©½ÍO[^ðwü·é×Ì]
ªÈ¨àðg¤±ÆÈA»êç ¼Ì }VªC^[lbgÉÚ±Å
«éæ¤Éµ½¢ÌÈçÎB
2.4. IP }XJ[hª³pÈê
o C^[lbgÉÚ±³êÄ¢é}VªX^hAÌ Linux zXg
ÌêB (µ©µÈªçt@CAEH[ð\z·éÌÍÇ¢l¦Å·)
é¢ÍA
o ùÉ yó: T[o¾¯ÅÈz NCAg}VÌ×Éàö®È IP
AhXð¡èÄÄ¢éêAIP }XJ[hÍKv èܹñB
o »µÄà¿ëñA Linux ðgÁÄ '^_æè' ·él¦ªD«ÅÈAS
¯¶±Æð·é¿È¤pc[ðg¤±ÆðæèõK¾Æ´¶éê
B
2.5. ÇÌæ¤ÉµÄ IP }XJ[hÍ®ì·é©
Ken Eves ÉæéIWiÌ IP }XJ[h FAQ ©çøpµÜ· -
±êÍàÁÆàÈPÈ\¬}Å· -
SLIP/PPP +------------+ +-------------+
ISP Ö | Linux | SLIP/PPP | Anybox |
<---------- modem1| #1 |modem2 ----------- modem3| |
111.222.121.212 | | 192.168.0.100 | |
+------------+ +-------------+
ã}ɨ¢ÄA IP_MASQUERADING 𺤠Linux box ª Linux #1 ƵÄ
CXg[³êĨèA modem1 ðgÁ½ SLIP ½Í PPP Ú±ÉÄA
C^[lbgÉÚ±³êĢܷB
±Ì}VÉÍpubN IP AhXÆµÄ 111.222.121.212 ªèÄ
çêĢܷB
XÉM¤Ì_CCÆ SLIP ½Í PPP Ú±ðó¯üêé½ßÌ
modem2 ªÚ±³êĢܷB
æ2 ÌVXe ( Linux ªÒµÄ¢éKvÍ èܹñ) Í
Linux #1 box ÖĵA SLIP ½Í PPP Ú±ðJnµÜ·B
±Ì}VÍC^[lbg©çpubNÈ IP AhXª
*èÄçêܹñ*ÌÅAvCx[gAhXÌ 192.168.0.100 ð
p¢Ü·B(ºLQÆB)
}XJ[hÆ[eBOÌÝèªKØÅ êÎA}V "Anybox" Í
½©àC^[lbgɼÚÚ±³ê½©Ìæ¤ÉU餱ƪūܷ
(¢Â©ÌáOÍ èÜ·ª)B
Pauline Middelink ©çÌøp -
Linux #1 box Í "ANYBOX" }VÌQ[gEFCƵÄÝè³êĢȯêÎ
ÈçÈ¢±ÆðYêÄÍÈèܹñB (±±ÅA»êªftHg[gÈÌ©A
½ÍPÈéTulbgÅ éÌ©ÍâèÅÍ èܹñB)
ൠ"ANYBOX" ª»Ìæ¤ÉÅ«È¢ÌÅ êÎA Linux }VÍSÄÌ
[eBO³ê½AhXÉεÄã arp ðT|[g·éæ¤
Ýè³êé׫ŷB
¯êÇàAã arp ÌZbgAbvÆÝèͱ̶̵¤ÍÍOÅ·B
É °éÌÍ comp.os.linux.networking ©çÌßÌe©çÌ
øpÅAãLáÉv·éæ¤É¼Oð«·¦AÒWµ½àÌÅ· -
o ANYBOX É Linux }VªQ[gEFC¾Æ³¦Ä¨«Ü·B
o }V ANYBOX ÉA PPP ½Í SLIP Ú±³êé Linux box ª
Q[gEFCÅ é±Æð³¦Ä¨«Ü·B
o ANYBOX ©ç Linux box ÉpPbgª Í¢½A Linux box Í
pPbgÉεÄVµ¢ TCP/IP \[X|[gÔðèÄÄA
pPbgwb_É©ªÌ IP AhXð«ñÅA³Ì IP
AhXðÛ¶µÄ¨«Ü·B
MASQ T[oͱ¤µÄC³µ½pPbgð SLIP/PPP
C^[tF[XðʶÄC^[lbgÖMµÜ·B
o pPbgªC^[lbg ©ç Linux box ÉAÁĽçA
Linux Í|[gÔªæÉèĽàÌÌêŠ驲×Ü·B
ൻ¤ÈçA MASQ T[oͳÌ|[gÆ IP AhXð¾ÄA
ßÁĽpPbgwb_É»êð³µA»ÌpPbgð
ANYBOX ÖèÜ·B
o pPbgðçê½zXgÍA»Ìá¢ÉSCt©È¢Åµå¤B
à¤êÂÌ IP }XJ[fBOÌá -
T^IÈáðº}ɦµÜ· -
+----------+
| | C[Tlbg
| A-box |::::::
| |.2 : 192.168.0.x
+----------+ :
: +----------+ PPP
+----------+ : .1 | Linux | link
| | :::::::| Masq-Gate|:::::::::::::::::::// C^[lbg
| B-box |:::::: | | 111.222.121.212
| |.3 : +----------+
+----------+ : (}XJ[h
: Q[gEFC)
+----------+ :
| | :
| C-box |::::::
| |.4
+----------+
| | |
| <-àlbg[N--> | | <- Olbg[N ---->
| | |
±ÌáÅÍA4äÌRs
[^VXeªÚ±³êĢܷBܽ¨»ç
»Ì¼ÉA}ÌàÁÆE¤ÉC^[lbgÖÌ PPP Ú±ðñ·ézXg
ªA»µÄ³çÉ»ÌE¤ÉÍ È½ªîñðâèæèµ½¢Æv¤C^[
lbgãÌ[gzXgª¶Ý·é±Æŵå¤B Linux VXe masq-
gate Í IP }XJ[hðs¤Q[gEFCÅA}V A-boxAB-box yÑ
C-box ©ç\¬³êéàlbg[N©çC^[lbgÖÌÚ±ðs¢Ü
·Bàlbg[NÍ RFC-1918 ÉÄèÄçê½ô©ÌvCx[g
lbg[NAhXÌê (±ÌáÅÍ 192.168.0.0) ðg¢Ü·B Linux
box Í TCP/IP AhX 192.168.0.1 ð¿A»Ì¼ÌzXgÍȺÌAh
XðÁĢܷ -
o A-Box: 192.168.0.2
o B-Box: 192.168.0.3
o C-Box: 192.168.0.4
3äÌ}V A-box AB-box yÑ C-boxÍ TCP/IP ðb·±ÆªÅ«êÎÇñ
ÈIy[eBOVXeª®ìµÄ¢Äà\¢Ü¹ñB OS Í Windows
95 A Macintosh MacTCP ½Í OpenTransport ½ÍÊÌ Linux box ÈÇAC
^[lbgã̼Ì}VÉڱūéàÌÅ·B®ìA}XJ[fB
OVXe½Í MASQ-gate ͱêçàÚ±ÌSÄð masq-gate ©g©ç
¶·éæ¤É©¦éæ¤ÉÏ·µÜ·BÉ}XJ[hÍA}XJ[h
³ê½Ú±ÖßÁÄéf[^ªp³êÄAM³ÌVXeÖß³êéæ
¤ÉµÜ·B±êÉæèAàlbg[NãÌVXe©çÍC^[
lbgÖ̼ÚoHª éæ¤É©¦Af[^ª}XJ[h³êÄ¢é±Æ
ÍÓ¯µÜ¹ñB±êð "§ßIÈ" Ú±ÆÄÑÜ·B
Ó - Ⱥɦ·gsbNÌÚ×É¢ÄÍ ``æ é¿â (FAQ)'' ð²
¾³¢ -
o NAT, MASQ ÆvLVT[oÆÌá_
o pPbgt@CAEH[Ì®ì
2.6. IP }XJ[hð Linux 2.2.x Åg¤½ßÌKvð
** ÅVÌîñÉ¢ÄÍ IP }XJ[hÌîñ¹
<http://ipmasq.cjb.net/> ðQƵľ³¢B **
o J[l 2.2.x \[XÍ http://www.kernel.org/ ©çüèÂ\Å·B
Ó #1 - Linux 2.2.x J[lÌ 2.2.16 ÈOÌo[WÍ TCP Ú±
ɨ¢Ä[g Àªïæ³êéã_ª èA 2.2.11 ÈOÌo[W
ÉÍ IPCHAINS ÌtOe[VÉoOª èÜ·B±Ì½ßA±
êçÌo[WÅÍÈ IPCHAINS Ì[Zbgð®ì³¹élÍA
UÉεijhõÅ·BJ[lðC³ÏÝo[WÖAbvO[
hµÄ¾³¢B
Ó #2 - Redhat 5.2 Ìæ¤ÈA½ÌæèVµ¢ ``}XJ[hT|
[gÏÝfBXgr
[V'' ÍA Linux 2.2.x ÉεĢܹ
ñB DHCP, NetUtils Ìc[ÍAbvO[hÌKvª èÜ·BÚ
×Í±Ì HOWTO É èÜ·B
o [hÂ\ÈJ[lW
[ADÜµÍ 2.1.121 È~B
http://www.pi.se/blox/modutils/index.html ½Í
ftp://ftp.ocs.com.au/pub/modutils/ ©çüèÂ\Å·B
o Linux NET-3-4 HOWTO
<http://www.linuxdoc.org/HOWTO/NET3-4-HOWTO.html> yÑ Network
Administrator's Guide <http://www.linuxdoc.org/LDP/nag/nag.html>Å
µíêÄ¢éTCP/IP lbg[N ½Í LAN
TrinityOS <http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> ÌhL
gà²×Ĩ¢Ä¾³¢B
TrinityOS Í Linux lbg[LOɨ¯éÆÄàLÍÍÈKChÅ
·B IP }XJ[hAZL
eBA DNS, DHCP, Sendmail, PPP,
Diald, NFS, IPSEC x[XÌ VPN, ܽptH[}XÌͪX°ç
êÜ·B 50 ÈãÌͪ èÜ·B
o Linux zXgÌC^[lbgÖÌÚ±ÉÖµÄÍAȺ̶Éĵí
êĢܷ - Linux ISP Hookup HOWTO
<http://www.linuxdoc.org/HOWTO/ISP-Hookup-HOWTO.html>, Linux PPP
HOWTO <http://www.linuxdoc.org/HOWTO/PPP-HOWTO.html>, TrinityOS
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS>, Linux DHCP mini-HOWTO
<http://www.linuxdoc.org/HOWTO/mini/DHCP/index.html>, Linux Cable
Modem mini-HOWTO <http://www.linuxdoc.org/HOWTO/Cable-
Modem/index.html> »µÄ
http://www.linuxdoc.org/HOWTO/mini/ADSL.html
<http://www.linuxdoc.org/HOWTO/mini/ADSL.html>
o IPCHAINS 1.3.9 È~Ìo[WÍ
http://netfilter.filewatcher.org/ipchains/ ©çüèÂ\Å·B
o[WÌKvðÉÖ·éXÈéîñÉÖµÄÍAÅVÌ IPCHAINS
HOWTO Í Linux IP Firewalling Chains page
<http://netfilter.filewatcher.org/ipchains/> ©ç¾çêÜ·B
o Vµ¢J[lÌÝèARpCyÑCXg[ÌmEnEÍ Linux
Kernel HOWTO <http://www.linuxdoc.org/HOWTO/Kernel-HOWTO.html> ÉÚ
µ©êĢܷB
o »Ì¼XÌ@\ðÀ»·étÁIÈ IP }XJ[hc[ÍȺ©ç
_E[hµÄgpÅ«Ü· -
o TCP/IP |[gtH[_Í_CN^ -
o IP |[gtH[fBO (IPMASQADM) - ¨Eß
<http://juanjox.kernelnotes.org/> ÍÞÌâ ~[ B
ICQ MASQ W
[
o Andrew Deryabin Ì ICQ MASQ W
[
PORTFW FTP \
[V(âèðû@) -
o }XJ[h³ê½}VÖ FTP ð|[gtH[fBO·é½ß
ÌA2.2.x Æ 2.0.x ̼ûÌJ[lÌ MASQ W
[Ìâèð
û@ª èÜ·BÚ×Í IP }XJ[hÌîñ¹ÌAvP[V
y[Wð²¾³¢B
o SuSe ÉAàÌ FTP T[oÉB·é×Ì|[gtH[fBOÉ
½@\ðñ·é®SÈ FTP vLVAvP[Vª èÜ
·BÚ×Í SuSe Proxy URL ð²¾³¢B
^Ì 1 Î 1 NAT Ì×Ì IPROUTE2, |V[x[XÌ (M³) [eB
OA»µÄ gtBbNVFCsO -
o ftp://ftp.inr.ac.ru/ip-routing
o ¶Í http://www.compendium.com.ar/policy-routing.txt æèüè
Â\Å·B
o Advanced Routing HOWTO
o
\[XR[hÌ~[Í鼃 èÜ· -
ftp://linux.wauug.org/pub/net
ftp://ftp.nc.ras.ru/pub/mirrors/ftp.inr.ac.ru/ip-routing/
ftp://ftp.gts.cz/MIRRORS/ftp.inr.ac.ru/
ftp://ftp.funet.fi/pub/mirrors/ftp.inr.ac.ru/ip-routing/ (STM1
to USA) ftp://sunsite.icm.edu.pl/pub/Linux/iproute/
ftp://ftp.sunet.se/pub/Linux/ip-routing/
ftp://ftp.nvg.ntnu.no/pub/linux/ip-routing/
ftp://ftp.crc.ca/pub/systems/linux/ip-routing/
ftp://ftp.paname.org (France) ftp://donlug.ua/pub/mirrors/ip-
route/ ftp://omni.rk.tusur.ru/mirrors/ftp.inr.ac.ru/ip-routing/
RPM pbP[WÍ ftp://omni.rk.tusur.ru/Tango/ Æ
ftp://ftp4.dgtu.donetsk.ua/pub/RedHat/Contrib-Donbass/KAD/ ©ç
üèÂ\Å·B
Ú×Èîñƻ̼pb`Í IP }XJ[hÌîñ¹
<http://ipmasq.cjb.net/> ð²¾³¢B
2.7. IP }XJ[hð Linux 2.3.x yÑ 2.4.x Åg¤½ßÌKvð
** ÅVîñÉ¢ÄÍ IP }XJ[hÌîñ¹
<http://ipmasq.cjb.net/> ðQƵľ³¢B **
o »ÝAÅVÌ 2.3.x yÑ 2.4.x J[lÍ NetFilter ÆÄÎêéSV
µ¢VXeª±ü³êĢܷ ( 2.2.x J[lɨ¯é IPCHAINS É
Ģܷ)BK¢A IPCHAINS ÖÌÚsÌÆÍÙÈèAVµ¢
NetFilter c[ÍA»óÌ IPCHAINS Æ IPFWADM ̶@É*®SÉ*K
Å«éJ[lW
[ðÁÄ¢éÌÅAâXNvgð«·¦
éKvÍ èܹñB³ÄAÇêÙÇ È½ª²©gÌâ[Zbg
ÌdzÉ˶µÄ¢½ÆµÄàA»êð«·¦é±ÆÉæéô©Ì
_ (Xs[hAVµ¢@\) ª èÜ·B[U[ɽÌ_î«Æ«
Ì@\ðñ·éA½Ìî{ÝvIÈÏXªAVµ¢R[hÉæè
à½ç³êܵ½B
Vµ¢@\ÌÉͱñÈ^Û¼_ðÜñÅ¢éàÌà èÜ· -
^¬Ó© -
o
o TCP/IP TulbgÉ^Ì 1:1 NAT @\ðñµÜ·B
o rgC^CvÌ|[gtH[fBOÍàÍâ IPMASQADM ðK
vƵܹñB
o Vµ¢rgC^CvÌ|[gtH[fBO@\ÍAOÆà
ÌgtBbN̼ûÉεĮìµÜ·B±Ì±ÆÍOgtBb
NÉ PORTFW ðg¢Aà_CNVÉ REDIR ðgÁÄ¢½
[U[ÉÆÁÄAàÍâ±ÌñÂÌc[ðg¤KvªÈ¢±ÆðÓ¡
µÜ·B
o ®SÉ|V[x[XÌ[eBO@\ (\[Xx[XÌ TCP/IP A
hX[eBO) B
o æè¬ÈpPbgtH[fBOð\· LinuxÌ FastRoute @\
ÆÌÝ·« ( Linux lbg[NXCb`OƵÄmçêĢܷ)
B
o TCP/IP v4, v6, »µÄ DECnet ų¦à®SÉT|[gµÜ·B
o PPP0, PPP1, ðw· ppp* Ìæ¤ÈChJ[hC^[tF[X
ðT|[gµÜ·B
o input Æ output ̼ûÌC^[tF[XÉεÄtB^Oð
T|[gµÜ·B
o C[TlbgÌ MAC tB^OB
o T[rXs\U (DoS: Denial of Service) pPbg[ģÀB
o ÆÄàVvÅÄpIÈóÔ¸@\
o pPbg REJECT Í»Ý[U[ªIðÂ\È ICMP bZ[WÌÔ
ðT|[gµÜ·B
o ÏXÂ\ÈMOx (ÙÈépPbgªÙÈé SYSLOG xÉ
BÅ«Ü·)
½ÎÓ© -
o
o Netfilter ÍSVµ¢A[LeN`¾©çAwÇSÄÌâ MASQ
J[lW
[Í«·¦éKvª¶¶Ü·B·Èí¿A FTP
W
[ÍAbvf[g³êܵ½ªAȺÌW
[Í«·¦ª
ÏñŢܹñ:
ip_masq_cuseeme.o ip_masq_icq.o ip_masq_quake.o
ip_masq_user.o ip_masq_irc.o ip_masq_raudio.o
ip_masq_vdolive.o
±ÌÚAðǤ·é©É¢Ä̶Í
http://netfilter.kernelnotes.org/unreliable-guides/netfilter-
hacking-HOWTO-5.html
<http://netfilter.kernelnotes.org/unreliable-guides/netfilter-
hacking-HOWTO-5.html> É èÜ·BÔª èܵ½çA±êçð
ÚA·é±ÆŠȽÌË\Í]¿³êé±Æŵå¤B
±Ìo[WÌ HOWTO ÅÍA Netfilter ÍJo[µÄ¢Ü¹ñBêU
Netfilter ÌÁ¥ªÅè³êêÎA -±Ì- HOWTO ÉÇÁ³êé©AV½
È HOWTO É©êéŵå¤B»êÜÅÍAȺɦ· Netfilter ̶
ÖÌNðQƵľ³¢B»óÅÍAVµ¢ Netfilter R[h
ÍA¡ú IPCHAINS [Uªp¢éÝèÆguV
[eBOÌ 95%
¯¶àÌð¤LūĢܷBÅ·ÌÅA±Ì HOWTO Í¢¾ Netfilter
Éæét@CAEH[Æ NAT [U[ÉÆÁÄàñíÉKØÅ·B
http://netfilter.filewatcher.org/unreliable-guides/index.html »µ
ÄæèÚ×ÉÍ http://netfilter.filewatcher.org/unreliable-
guides/NAT-HOWTO.html ðǤ¼B
Ú×Èîñƻ̼pb`Í IP }XJ[hÌîñ¹
<http://ipmasq.cjb.net/> ð²¾³¢B
2.8. IP }XJ[hð Linux 2.0.x Åg¤½ßÌKvð
** ÅVîñÍ IP }XJ[hÌîñ¹
<http://ipmasq.cjb.net/> ðQƵľ³¢B **
o çäé^ÁÈRs
[^n[hEFABÚ×Í ``n[hEFA
FAQ'' ÌÍðQƵľ³¢B
o http://www.kernel.org/ ©çüèÂ\È 2.0.x Ì\[XB
(Redhat 5.2 Ìæ¤ÈA½ÌÅßÌ Linux Ì ``}XJ[hT|[g
ÏÝfBXgr
[V'' ÍARpCÏ IP }XJ[hJ[l
W
[ðÜñŢܷB±Ìæ¤ÈêAV½É Linux J[lð
RpC·éKvÍ èܹñBàµAJ[lðAbvO[h·é
ÈçA¼ÉV½ÈvOðKvÆ·é©A½ÍAbvO[h·éK
vª é±ÆðÓ¯·×«Åµå¤B (±Ì HOWTO ¶àÉÄãqµÜ
·B)
o [hÂ\ÈJ[lW
[ADÜµÍ 2.1.85 È
~Bhttp://www.pi.se/blox/modutils/index.html ½Í
ftp://ftp.ocs.com.au/pub/modutils/ æèüèÂ\Å·B
(ÅáÅà modules-1.3.57 ÍKvÅ·B)
o Linux NET-3-4 HOWTO <http://www.linuxdocs.org/NET3-4-HOWTO.html> y
Ñ Network Administrator's Guide
<http://www.linuxdoc.org/LDP/nag/nag.html> ŵíêAҵĢéA
TCP/IP lbg[NB
ܽ TrinityOS <http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> ¶à²×Ĩ¢Ä¾³¢B TrinityOS Í
Linux lbg[LOɨ¯éÆÄàLÍÍÈKChÅ·B IP }XJ
[hAZL
eBA DNS, DHCP, Sendmail, PPP, Diald, NFS, IPSEC
x[XÌ VPN, ܽptH[}XÌͪX°çêÜ·B 50 ÈãÌ
ͪ èÜ·B
o Linux zXgÌC^[lbgÖÌÚ±ÉÖµÄÍAȺ̶Éĵí
êĢܷ: Linux ISP Hookup HOWTO
<http://www.linuxdoc.org/HOWTO/ISP-Hookup-HOWTO.html>, Linux PPP
HOWTO <http://www.linuxdoc.org/HOWTO/PPP-HOWTO.html>, TrinityOS
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS>, Linux DHCP mini-HOWTO
<http://www.linuxdoc.org/HOWTO/mini/DHCP/index.html>, Linux Cable
Modem mini-HOWTO <http://www.linuxdoc.org/HOWTO/Cable-
Modem/index.html> »µÄ Linux ADSL mini-HOWTO
<http://www.linuxdoc.org/HOWTO/mini/ADSL.html>
o Ipfwadm 2.3 È~Í
ftp://ftp.xos.nl/pub/linux/ipfwadm/ipfwadm-2.3.tar.gz ©çüèÂ\
Å·B
KvÈo[WÉÖ·éæèÚ×ÈîñÍ Linux IPFWADM page
<http://www.xos.nl/linux/ipfwadm/> É èÜ·B
o ൠ2.0.38+ J[lãÅ IPCHAINS ð®ì³¹é±ÆÉ»¡ª é
ÈçA Willy Tarreau Ì 2.0.36 p IPCHAINS Cl[u
<http://www-miaif.lip6.fr/willy/pub/linux-patches/> ½Í Rusty
Ì 2.0.x J[lp IPCHAINS ðQƵľ³¢B
o Vµ¢J[lÌÝèARpCyÑCXg[ÌmEnEÍ Linux
Kernel HOWTO <http://www.linuxdoc.org/HOWTO/Kernel-HOWTO.html> ÉÚ
µ©êĢܷB
o »Ì¼XÌ@\ðÀ»·étÁIÈ IP }XJ[hÌpb`ÍȺæ
è_E[hµÄKpÅ«Ü· -
o TCP/IP |[gtH[_Í_CN^ - ±êçÌc[ÅAñ
MASQ óÔŮ쳹½¢vOð MASQ T[oÌãë¤ÅÒ³
¹é±ÆªÅ«Ü·B±êÉÁ¦ÄA MASQ T[oðC^[lbg
[U[ªàÌ WWW, TELNET, SMTP, FTP (pb`ªKv) ÌT[o
Éڱūéæ¤ÉÝèÅ«Ü·BÚ×Í±Ì HOWTO Ì ``tH[_
(|[g]c[)'' ÌÍð²¾³¢BÈºÍ 2.0.x J[lp
IP }XJ[hÌpb`ÌêÅ· -
o Steven Clarke Ì IP |[gtH[fBO (IPPORTFW) - ¨
Eß
o IP I[gtH[h yÑ ~[
<ftp://ftp.netis.com/pub/members/rlynch/ipautofw.tar.gz>
(IPAUTOFW) - ¨Eߵܹñ
o _CN^ <http://ipmasq.cjb.net/redir_0.7.orig.tar.gz>
TCP p (REDIR) - ¨Eߵܹñ
o UDP _CN^ (UDPRED) - ¨Eߵܹñ
|[gtH[h FTP -
o FTP gtBbNðà FTP T[oÖ]·éÂàèÈçAFred
Viles Ì FTP T[opb` ( HTTP oR) Í Fred Viles Ì
FTP T[opb` ( FTP oR) ð_E[h·éKvª éÅ
µå¤Buŵå¤vÆq×½ÌÉÍóª èܵÄAêÌ[
UÍpb`ªKp³ê½J[lW
[ðÁÄ¢éêª
é©çÅ·B±ÌbèÉÖ·éÚ×Í±Ì HOWTO Ì ``tH[_
(|[g]c[)'' ÌÍð²¾³¢B
X-Window fBXvCtH[_ -
o X-windows tH[fBO (DXCP)
<ftp://sunsite.unc.edu/pub/Linux/X11/compress/dxpc-3.7.0.tar.gz>
ICQ MASQ W
[
o Andrew Deryabin Ì ICQ MASQ W
[
PPTP (GRE) yÑ SWAN (IPSEC) VPN glOtH[_ -
o John Hardin Ì VPN }XJ[htH[_ ½ÍȺÌâ
pb` PPTP T|[g
<http://ipmasq.cjb.net/ip_masq_pptp.patch.gz>
Q[ÁLÌpb`:
o Glenn Lamb Ì 2.0.36+ p LooseUDP
<ftp://ftp.netcom.com/pub/mu/mumford/loose-
udp-2.0.36.patch.gz> pb`B
êÌ WWW uEUÍ±Ì .gz t@Cð©®IÉð·é±Æ
Éӵľ³¢B±Ìt@Cð_E[h·éÛÉ
ÍASHIFT L[ðµÈªçãL URL ðNbNµÄ¾³¢B
Ú×Í Dan Kegel Ì NAT Page
<http://www.alumni.caltech.edu/~dank/peer-nat.html> à²×Ä
¨¢Ä¾³¢BXÈéîñÍ ``Q[NCAg'' ÌÍÆ
``æ é¿â (FAQ)'' ÌÍÅà¾çêÜ·B
ãLpb`yѻ̼ÌÚ×Í IP }XJ[hÌîñ¹
<http://ipmasq.cjb.net/> ÉÄüèÅ«Ü·B
3. IP }XJ[hÌÝè
vCx[glbg[NãÉdvÈîñª éêÉÍA IP }
XJ[hðÀ·éOÉAZL
eBÌÏ_©çTdÉ¢µ
ľ³¢B±êðÓéÆA IP }XJ[hÍ È½ªC^[
lbgÖoÄsQ[gEFCÉÈèÜ·ªA±êƤÉO¤Ì¢
EÉ¢éN©ª ȽÌlbg[NÉNü·éQ[gEFCÆà
ÈÁĵܤÌÅ·B
ÐÆ½Ñ IP }XJ[h@\ðÝè·éÈçÎAÍÈ
IPFWADM/IPCHAINS Éæét@CAEH[Ì[ZbgðÀ
·é±Æð¨EߵܷBÚ×ÍãqÌ ``¢ IPFWADM Ì
[Zbg'' yÑ ``¢ IPCHAINS Ì[Zbg'' ÌÍð²
¾³¢B
3.1. IP }XJ[hðgÝñ¾J[lÌRpC
¨g¢Ì Linux fBXgr
[VªAùɺLÌKvÈ@
\ÌSÄðT|[gµÄ¢Äc -
o IPFWADM/IPCHAINS
o IP tH[fBO
o IP }XJ[fBO
o IP t@CAEH[O
o »Ì¼
»µÄSÄÌ MASQ ÉÖW·éW
[ªRpC³êÄ
¢é (½ÌW
[J[lÍKvƳêéSĪÜÜê
Ä¢é±Æŵå¤) ÈçAJ[lðÄRpC·éKv
Í èܹñB ȽÌgp·é Linux fBXgr
[V
ª MASQ @\ðõµÄ¢éÆ©MªÄÈ¢ÈçA ``}X
J[hT|[gÏÝfBXgr
[V'' ÌÍðQƵ
ľ³¢B±ÌXgªMpÅ«È¢©A ȽÌgp·é
fBXgr
[VªXgÉÈ¢ÈçAȺÌeXgð
µÄÝľ³¢ -
o Linux box ÉOCµÄAR}h "ls
/proc/sys/net/ipv4" ðÀsµÄÝľ³¢B
o R}hÌ\¦ÊÌÉ "ip_forward", "ip_masq_debug",
"ip_masq_udp_dloose"(CÓ), yÑ "ip_always_defrag"(CÓ)
ª é©mFµÄ¾³¢B
±êçª êÎA ȽÌJ[lÉÍ}XJ[h@\ªÀ
³êĢܷB
ȽÌgp·éfBXgr
[VªWÅ IP }XJ[
fBOðT|[gµÄ¢éÉà©©íç¸ãLt@Cª©Â©
çÈ¢êA}XJ[h@\ÍT|[g³êĢȢƪ¹´
éð¾Ü¹ñB»ÌêcJ[lðRpCµÈ¯êÎÈèÜ
¹ñBÅàA²Sz³BïµÈ¢Å·©çB
WÅT|[g³êÄ¢é©Û©É©©íç¸A±ÌÍͼÌLp
ÈîñðÜñŢܷÌÅAÇÞ±Æð¨EߵܷB
3.1.1. Linux 2.2.x J[l
KvƳêé\tgEFAâpb`Í ``2.2.x J[lÌKvð'' ÌÍ
ð²¾³¢B
o ܸæêÉA 2.2.x ÌJ[l\[XªKvÅ·B (]ÜµÍ 2.2.16
È~ÌÅVÌJ[lªÇ¢Å·B)
Ó #1 - 2.2.16 æèÈOÌ Linux 2.2.x J[lÉÍA TCP ڱɨ
¢Ä[g Àªïæ³êéã_ª èA 2.2.11 ÈOÌo[WÉÍ
IPCHAINS ÌtOe[VÉoOª èÜ·B±Ì½ßAÍÈ
IPCHAINS Ì[Zbgð®ì³¹æ¤Æ·élÍA±êçUÉεÄ
³hõÅ·B ȽÌJ[lðC³ÏÝo[WÖAbvO[hµ
ľ³¢B
Ó #2 - 2.2.x J[lª®õ³ê±¯çê½ÊARpCÌI
vVªÏeµ±¯Ä¢Ü·B¡ñÌo[W̶ɨ¢ÄA±Ì
ÍÍJ[l 2.2.15 ÌÝèàeð½fµÄ¢Ü·Bàµà¨g¢ÌJ[
lªàÁÆâo[WÌêÅ·ÆA_CAOÌ\¦ÍáÁÄ©
¦éŵå¤BV@\âÀè«ðà½ç·ÅVo[WÌJ[lÖÌ
AbvO[hð¨EߵܷB
o J[lÌRpCªßÄÅàA°ªé±ÆÍ èܹñBÀÌ©
ÈèÈPÅ·µA ``2.2.x J[lÌKvð'' ÌÍŦ·ô©Ì
URL ÅàµíêĢܷB
o ÌR}hÉÄJ[l\[Xð /usr/src/ fBNgÖWJµÄ
¾³¢ - tar xvzf linux-2.2.x.tar.gz -C /usr/src ±±ÅA2.2.x Ì
"x" Í Linux 2.2 J[lÌ»ÝÌo[Wio[Å·B®¹µÜµ
½çA /usr/src/linux/ Æ¢¤fBNgª é©AܽÍV{b
NNª£çêÄ¢é±ÆðmFµÄ¾³¢B
o KÈA½ÍCÓÌpb`ðJ[l\[XR[hÉÄľ³¢BJ
[l 2.2.1 Ì_ÅÍA IP Masq ðÒ³¹é×ÌÁêÈpb`Í
svÅ·B PPTP yÑ Xwindow ÌtH[fBOÌ@\ÍIvVÅ
·B ``2.2.x J[lÌKvð'' ÌÍÉ é URLÆ IP }XJ[h
Ìîñ¹É éÅVîñÆpb`Ì URL ðQƵľ³¢B
o ȺÉJ[lðRpC·éÛÉÅáÀKvÈIvVðLµÜ
·BCXg[³ê½lbg[NC^[tF[Xà¯lÉÝè·é
Kvª èÜ·BJ[lðRpC·éû@ÌÚ×É¢ÄÍA
Linux Kernel HOWTO <http://www.linuxdoc.org/HOWTO/Kernel-
HOWTO.html> ÆAJ[l\[XfBNgÌ README t@CðQÆ
µÄ¾³¢Byó: JFÉæé Kernel-HOWTO Ìú{êóà èÜ·B
<http://www.linux.or.jp/JF/JFdocs/Kernel-HOWTO.html> ܽA Debian
GNU/Linux ÅÍA fakeroot Æ kernel-package Æ¢¤pbP[Wð±ü
·é±ÆÅAJX^J[lÌ쬪êÊ[UÌz[fBNg
zºÅAÈPÉÅ«éæ¤ÉÈÁĢܷBAµA±Ì¶Å¦³êé
make menuconfig ½Í make xconfig ÌàeͤÊÅ·Bz
ÈºÌ YES or NO ÌIð Éӵľ³¢BSÄÌIvVͱÌ
HOWTO ÉÄãq·é³µ¢J[lpb`ȵÄALøÆÍÀèܹ
ñB
* Jâs®SÈR[h/hCoà\¦ (CONFIG_EXPERIMENTAL) [Y/n/?]
- YES: IP MASQ ©ÌÅÍKvÈ¢¯êÇàA±ÌIvVÅ MASQ
W
[Ìì¬Æ|[gtH[fBOªÀ»³êÜ·B
-- }XJ[hɳÖWÌIvVðòεܷ --
* [_uEW
[ðgpÂ\ɵܷ (CONFIG_MODULES) [Y/n/?]
- YES: ±êÅJ[lÌ IP MASQ ÌW
[ªg¦éæ¤ÉÈèÜ·B
-- }XJ[hɳÖWÌIvVðòεܷ --
* lbg[NÌT|[g (CONFIG_NET) [Y/n/?]
- YES: lbg[NTuVXeðLøɵܷB
-- }XJ[hɳÖWÌIvVðòεܷ --
* Sysctl T|[g (CONFIG_SYSCTL) [Y/n/?]
- YES: tH[fBOA_Ci~bN IP A[Y UDP ÌIvV
ðLø/³øɵܷB
-- }XJ[hɳÖWÌIvVðòεܷ --
* pPbgE\Pbg (CONFIG_PACKET) [Y/m/n/?]
- YES: ±êÍCÓÅ·ªAIP MASQ ÉZíé çäéâèðfobO
·é½ßÉ TCP DUMP ðg¦éæ¤É·éÛÉKvÈ@\Å·B
* J[l^[U lbg[NENE\Pbg (CONFIG_NETLINK) [Y/n/?]
- YES: ±êÍCÓÅ·ªAoHîñÌxÈt@CAEH[Ì
âè_ÌL^ðæéÌÉð§¿Ü·B
yó: ±ÌªÍAÀÛÍuJ[l^[U lbg[NENEhCo
(Kernel/User network link driver) vÆÈÁĢܷBz
* [eBOEbZ[W (CONFIG_RTNETLINK) [Y/n/?]
- NO: ±ÌIvVÍpPbgt@CAEH[ÌL^ðæé±ÆÆÍ
³ÖWÅ·B
-- }XJ[hɳÖWÌIvVðòεܷ --
* t@CAEH[@\ (CONFIG_FIREWALL) [Y/n/?]
- YES: J[lÉ IPCHAINS t@CAEH[c[ÉæéÝèªÅ«é
æ¤ÉµÜ·B
* \PbgÅÌªÊ (CONFIG_FILTER) [Y/n/?]
- CÓ: ±êÍ IPMASQ ƳÖWÅ·ªAàlbg[NÉ DHCP T[o
ðÀ·éÈçA±ÌIvVªKvÉÈèÜ·B
* Unix hCE\Pbg (CONFIG_UNIX) [Y/m/n/?]
- YES: ±êÅ UNIX TCP/IP \Pbg@\ðLøɵܷB
* TCP/IP lbg[LO (CONFIG_INET) [Y/n/?]
- YES: TCP/IP vgRðLøɵܷB
-- }XJ[hɳÖWÌIvVðòεܷ --
* IP: @\[^ (CONFIG_IP_ADVANCED_ROUTER) [Y/n/?]
- YES: ±êÈ~Ì@\ MASQ IvVÌÝèªLøÉÈèÜ·B
* IP: |V[[eBO (CONFIG_IP_MULTIPLE_TABLES) [N/y/?]
- NO: MASQ ÅÍsvÅ·ªA TCP/IP M³AhXðp¢é©A
½Í TOS (Type-Of-Service) lðp¢é[eBOÌ@\
ðKvÆ·élͱÌIvVªKvÅ·B
* IP: ¿RXg½dpX (CONFIG_IP_ROUTE_MULTIPATH) [N/y/?]
- NO: ÊíÌ MASQ @\ÉÍsvÅ·B
* IP: oHèîÆµÄ TOS lðgp·é (CONFIG_IP_ROUTE_TOS) [N/y/?]
- NO: ÊíÌ MASQ @\ÉÍsvÅ·B
* IP: ç·ÈoHÄ (CONFIG_IP_ROUTE_VERBOSE) [Y/n/?]
- YES:
IP AhXð¼Ìµ½pPbgðjüµAOL^·é[eBO
R[hðg¤ÛÉÍÖÅ· (¨Eߵܷ) B
* IP: å«È[eBOe[u (CONFIG_IP_ROUTE_LARGE_TABLES) [N/y/?]
- NO: ÊíÌ MASQ @\ÉÍsvÅ·B
* IP: J[lxÌ©®\¬ (CONFIG_IP_PNP) [N/y/?] ?
- NO: ÊíÌ MASQ @\ÉÍsvÅ·B
* IP: t@CAEH[ (CONFIG_IP_FIREWALL) [Y/n/?]
- YES: t@CAEH[@\ðLøɵܷB
* IP: t@CA[EH[ÌpPbgElbgNEfoCX (CONFIG_IP_FIREWALL_NETLINK) [Y/n/?]
- CÓ: CÓÅ·ªA±Ì@\Í IPCHAINS ©çRs[µ½pPbg
ð[UóÔÌvOÉnµÄ`FbN·é±ÆðÀ»µÜ·B
* IP: §ßvLVÌT|[g (CONFIG_IP_TRANSPARENT_PROXY) [N/y/?]
- NO: ÊíÌ MASQ @\ÉÍsvÅ·B
yó: ±ÌªÍAÀÛÍu¿vLV (IP: transparent proxying)v
ÆÈÁĢܷBz
* IP: }XJ[fBO (CONFIG_IP_MASQUERADE) [Y/n/?]
- YES: àlbg[NÌ TCP/IP pPbgðOlbg[NÌ
àÌÉ«·¦éA IP }XJ[hðLøɵܷB
* IP: ICMP }XJ[fBO (CONFIG_IP_MASQUERADE_ICMP) [Y/n/?]
- YES: ICMP ping pPbgÌ}XJ[fBOðÀ»µÜ·
(ICMP ÌG[R[hÍA±ÌIvVÌÝèÉÖWÈ}XJ[h
³êÜ·)B
Ú±ÌguV
[eBOÉK{Ì@\Å·B
* IP: }XJ[fBOpÁêW
[ÌT|[g (CONFIG_IP_MASQUERADE_MOD) [Y/n/?]
- YES: ÅàCÓÅ·B
±ÌIvVÍA±êÈ~ÌIvVÅO¤Ìlbg[NãÌ
Rs
[^Æ MASQ ³ê½àlbg[NãÌ}V¯mð¼ÚI
ÉÚ±·é TCP/IP |[gtH[fBOðLøÉ·éàÌÅ·B
* IP: ipautofw }XJ[hÌT|[g(EXPERIMENTAL) (CONFIG_IP_MASQUERADE_IPAUTOFW) [N/y/m/?]
- NO: IPautofw Í |[gtH[fBOÌâû@Å·B
wǪâR[hÅèßçêAô©Ìâè_à©Â©ÁĨèÜ·B
¨Eß*µÜ¹ñ*B
yó: ´¶Í ipautofw masq support ÆÈÁĢܷªAÀÛÍ
ipautofw masquerade support ÆÈÁĢܷBz
* IP: ipportfw }XJ[hET|[g (EXPERIMENTAL) (CONFIG_IP_MASQUERADE_IPPORTFW) [Y/m/n/?]
- YES:
O¤Ìlbg[NãÌRs
[^Æ MASQ ³ê½àlbg[N
ãÌ}V¯mð¼ÚIÉÚ±·é IPPORTFW ðLøɵܷB
åTA±Ì@\ÍàÌ SMTP, TELNET, yÑ WWW T[oÖÌANZX
Ép¢çêÜ·B
FTP |[gtH[fBOÍ±Ì MASQ HOWTO Ì FAQ ÌÍÉÚq
³êÄ¢éÇÁÌpb`ªKvÅ·B
|[gtH[fBOÉÖ·éæèÚ×ÈîñÍA±Ì HOWTO Ì
tH[hÌÍÉ èÜ·B
yó: ´¶ÅÍ EXPERIMENTAL Å·ªAÀÛÍJ[l 2.2.0 È~A
EXPERIMENTAL ªæêĢܷBz
* IP: ip fwmark }XJ[hEtH[fBOET|[g (EXPERIMENTAL) (CONFIG_IP_MASQUERADE_MFW) [Y/m/n/?]
- CÓ: ±êÍ PORTFW ÌVµ¢û@Å·B
±ÌIvVÉæÁÄA IPCHAINS ÍXÈ髪LøÉÈèA
pPbgÉóðt¯çêéæ¤ÉÈèÜ·B
IPMASQADM â IPPORFW Ì[UóÔc[ðp¢ÄAIPCHAINS
Í©®IÉpPbgÌAhX𫷦ܷB
»óÅÍA PORTFW æèÍeXg³êĢܹñªAMÅ«éŵå¤B
»ÝA IPMASQADM yÑ IPPORTFW Ìgpª§³êĢܷB
±Ì MFW Él¦ª¨ èŵ½çA[ð¨è¢µÜ·B
yó: ÀÛÍ IP: ipmarkfw masquerade support ÆA forwarding ª
æêĢܷBz
* IP: zXgÅÍÈ[^ƵÄÅK»·é (CONFIG_IP_ROUTER) [Y/n/?]
- YES: ±êÍJ[lðlbg[NTuVXeÌ×ÉÅK»
µÜ·ªA±êÉæÁÄptH[}XÉdåÈe¿ðyÚ·ÆÍ
FßçêܹñB
* IP: glO (CONFIG_NET_IPIP) [N/y/m/?]
- NO: ±ÌCÓÌIðÍ IP }XJ[hðʶé IPIP gl
Ì×É èÜ·B
glO/VPN @\ð¨]ÝÈçA GRE ½Í IPSEC glÌ
gpð¨EߵܷB
* IP: IP zµÌ GRE gl (CONFIG_NET_IPGRE) [N/y/m/?]
- NO: ±ÌCÓÌIðÍA IP MASQ {bNXðʶé PPTPÆ GRE
glðÀ»³¹é×É èÜ·B
-- }XJ[hɳÖWÌIvVðòεܷ --
* IP: TCP syn NbL[ÌT|[g (ftHgÅͳø) (CONFIG_SYN_COOKIES) [Y/n/?]
- YES: î{IÈ TCP/IP lbg[NZL
eBÌ×ɨEߵܷB
yó: ÀÛÍ SYN flood protection (SYN U©çÌhä)
Æ¢¤¼ÌÉÈÁĢܷBz
-- }XJ[hɳÖWÌIvVðòεܷ --
* IP: EBhEð嫵ܷ (ª 16 MB ¢ÌêÍ©ßܹñ) (CONFIG_SKB_LARGE) [Y/n/?]
- YES: Linux Ì TCP EBhEðÅK»·é×ɨEߵܷB
-- }XJ[hɳÖWÌIvVðòεܷ --
* lbg[NfoCXÌT|[g (CONFIG_NETDEVICES) [Y/n/?]
- YES: Linux lbg[NfoCXwðLøɵܷB
-- }XJ[hɳÖWÌIvVðòεܷ --
* lbg[Np_~[hCoÌT|[g (CONFIG_DUMMY) [M/n/y/?]
- YES: CÓÅ·ªA±ÌIvVÍâèÌfobOð¯Ü·B
== lbg[NJ[hÌT|[gðRpCµYêȢž³¢!! ==
-- }XJ[hɳÖWÌIvVðòεܷ --
== f½Í PPPoE DSL fð¨¿ÌûÍ PPP/SLIP ÌT|[gð
RpCµYêȢž³¢B ==
-- }XJ[hɳÖWÌIvVðòεܷ --
* /proc t@CVXeÌT|[g (CONFIG_PROC_FS) [Y/n/?]
- YES: Linux lbg[NtH[fBOðLøÉ·é×ÉKvÅ·B
Ó - ±êçÍ IP }XJ[hÌ×¾¯ÉKvÈvfÅ·B ȽÌVX
eÉÁLÈA¼ÌÝèÚàIð·éKvª èÜ·B
o J[lðRpCµ½ãAȺÌæ¤É IP MASQ W
[ðRp
CµÄACXg[µÄ¾³¢ -
make modules; make modules_install
o ÉAu[gã IP }XJ[hW
[ðÇÝܹA IP MASQ ð
©®IÉLøÉ·é×ÉA /etc/rc.d/rc.local ɽs©ÇÁµÜ· -
.
.
.
#rc.firewall script - Start IPMASQ and the firewall
/etc/rc.d/rc.firewall
.
.
.
3.1.2. Linux 2.0.x J[l
KvƳêé\tgEFAâpb`Í ``2.0.x J[lÌKvð'' ÌÍ
ð²¾³¢B
o ܸæêÉAJ[l\[XªKvÅ·B (]ÜµÍ 2.0.38 È~ÌÅ
VÌJ[lªÇ¢Å·B)
o J[lÌRpCªßÄÅàA°ªé±ÆÍ èܹñBÀÌ©
ÈèÈPÅ·µA ``2.0.x J[lÌKvð'' ÌÍŦ·ô©Ì
URL ÅàµíêĢܷB
o ÌR}hÉÄJ[l\[Xð /usr/src/ fBNgÖWJµÄ
¾³¢ - tar xvzf linux-2.0.x.tar.gz -C /usr/src ±±ÅA2.0.x Ì
"x" Í Linux 2.0 J[lÌ»ÝÌo[Wio[Å·B®¹µÜµ
½çA /usr/src/linux/ Æ¢¤fBNgª é©AܽÍV{b
NNª£çêÄ¢é±ÆðmFµÄ¾³¢B
o KÈA½ÍCÓÌpb`ðJ[l\[XR[hÉÄľ³¢BJ
[l 2.0.36 Ì_ÅÍA IP Masq ðÒ³¹é×ÌÁêÈpb`Í
svÅ·B IPPORTFW, PPTP yÑ Xwindow ÌtH[fBOÌ@\ÍI
vVÅ·B ``2.0.x J[lÌKvð'' ÌÍÉ é URLÆ IP }
XJ[hÌîñ¹É éÅVîñÆpb`Ì URL ðQƵľ³¢B
o ȺÉJ[lðRpC·éÛÉÅáÀKvÈIvVðLµÜ
·BCXg[³ê½lbg[NC^[tF[Xà¯lÉÝè·é
Kvª èÜ·BJ[lðRpC·éû@ÌÚ×É¢ÄÍA
Linux Kernel HOWTO <http://www.linuxdoc.org/HOWTO/Kernel-
HOWTO.html> ÆAJ[l\[XfBNgÌ README t@CðQÆ
µÄ¾³¢Byó: JFÉæé Kernel-HOWTO Ìú{êóà èÜ·B
<http://www.linux.or.jp/JF/JFdocs/Kernel-HOWTO.html> z
ÈºÌ YES or NO ÌIð Éӵľ³¢BSÄÌIvVͱÌ
HOWTO ÉÄãq·é³µ¢J[lpb`ȵÄALøÆÍÀèܹ
ñB
* Jâs®SÈR[h/hCoà\¦ (CONFIG_EXPERIMENTAL) [Y/n/?]
- YES: ±ÌIvVÅ IP }XJ[h@\ÌR[hªIð
Å«éæ¤ÉÈèÜ·B
* [_uEW
[ðgpÂ\ɵܷ (CONFIG_MODULES) [Y/n/?]
- YES: ±êÅJ[lÌ IP MASQ ÌW
[ªg¦éæ¤ÉÈèÜ·B
* lbg[NÌT|[g (CONFIG_NET) [Y/n/?]
- YES: lbg[NTuVXeðLøɵܷB
* t@CAEH[@\ (CONFIG_FIREWALL) [Y/n/?]
- YES: IPFWADM t@CAEH[c[ðLøɵܷB
* TCP/IP lbg[LO (CONFIG_INET)
- YES: TCP/IP vgRðLøɵܷB
* IP: tH[fBO/Q[gEFCO (CONFIG_IP_FORWARD)
- YES: IPFWADM Éħä³êé Linux lbg[NÌpPbg]Æ
[eBOðLøɵܷB
* IP: syn NbL[ (CONFIG_SYN_COOKIES) [Y/n/?]
- YES: î{IÈlbg[NZL
eBÌ×ɨEߵܷB
* IP: t@CAEH[O (CONFIG_IP_FIREWALL) [Y/n/?]
- YES: t@CAEH[@\ðLøɵܷB
* IP: t@CAEH[ÌpPbgL^ (CONFIG_IP_FIREWALL_VERBOSE) [Y/n/?]
- YES: (CÓÅ·ª¨Eߵܷ) - t@CAEH[ÉøÁ©©Á½
pPbgðOÉL^µÜ·B
* IP: }XJ[fBO (CONFIG_IP_MASQUERADE [Y/n/?]
- YES: àlbg[NÌ TCP/IP pPbgðOlbg[NÌàÌÉ
«·¦éA IP }XJ[hðLøɵܷB
* IP: ipautofw }XJ[hÌT|[g (EXPERIMENTAL) (CONFIG_IP_MASQUERADE_IPAUTOFW) [Y/n/?]
- NO: IPautofw Í |[gtH[fBOÌâû@Å·B
®ì͵ܷªA IPPORTFW ÌûªÇ¢û@Å·ÌÅA IPAUTOFW Í
¨EߵܹñB
* IP: ipportfw }XJ[hET|[g (EXPERIMENTAL) (CONFIG_IP_MASQUERADE_IPPORTFW) [Y/n/?]
- YES: ±ÌIvVÍ 2.0.x J[lÌpb`ÅÌÝLøÅ·B
±ÌIvVÅAC^[lbgãÌO¤ÌRs
[^Æ MASQ
³ê½àlbg[NãÌ}V¯mª¼ÚIÉڱūéæ¤É
ÈèÜ·B
åTA±Ì@\ÍàÌ SMTP, TELNET, yÑ WWW T[oÖÌANZXÉ
p¢çêÜ·B
FTP |[gtH[fBOÍ±Ì FAQ ÌÍÉÚq³êÄ¢éÇÁÌ
pb`ªKvÉÈéŵå¤B
|[gtH[fBOÉÖ·éæèÚ×ÈîñÍA±Ì HOWTO Ì
tH[hÌÍÉ èÜ·B
* IP: ICMP }XJ[fBO (CONFIG_IP_MASQUERADE_ICMP) [Y/n/?]
- YES: ICMP ping pPbgÌ}XJ[fBOðÀ»µÜ·B
CÓÆvíêÜ·ªA½ÌvOª ICMP T|[gȵÄ
®SÉÍ@\µ¾È¢Åµå¤B
* IP: loose UDP |[gtH[fBO (EXPERIMENTAL) (CONFIG_IP_MASQ_LOOSE_UDP) [Y/n/?]
- YES: ±ÌIvVÍ 2.0.x J[lÉpb`ðKp·é±ÆÉ
æÁÄÌÝLøÅ·B
±ÌIvVÅAC^[lbgðoR·éA NAT ðp¢éæ¤È
lbg[NÎí^Q[ªA}XJ[h³ê½àlbg[NãÌ
Rs
[^Åoéæ¤ÉÈèÜ·B
Ú×É¢ÄÍ±Ì HOWTO Ì FAQ ÌÍÉfڵĢܷB
* IP: íÉftOg·é (CONFIG_IP_ALWAYS_DEFRAG) [Y/n/?]
- YES: ±Ì@\Í IP MASQ Ú±ðÅK»µÜ·B- ¨EߵܷB
* IP: zXgƵÄÅÍÈ[^ƵÄÅK»·é (CONFIG_IP_ROUTER) [Y/n/?]
- YES: ±êÉæÁÄJ[lðlbg[NTuVXeƵÄ
ÅK»µÜ·B
* IP: M³AhXÅoHt¯³ê½t[ðjü·é (CONFIG_IP_NOSR) [Y/n/?]
- YES: î{IÈlbg[NZL
eBÌ×ɨEߵܷB
* lbg[Np_~[hCoÌT|[g (CONFIG_DUMMY) [M/n/y/?]
- YES: CÓÅ·ªA±ÌIvVÍâèðfobO·éÛÌ
¯ÉÈèÜ·B
* /proc t@CVXeÌT|[g (CONFIG_PROC_FS) [Y/n/?]
- YES: Linux J[lªlbg[NãÅpPbgð]·é
@\ðLøÉ·é×ÉKvÅ·B
Ó - ±êçÍ IP }XJ[hÌ×¾¯ÉKvÈvfÅ·B ȽÌlb
g[Nân[hEFAÉÁLȼÌÝèÚàIð·éKvª èÜ·B
o J[lðRpCµ½ãAȺÌæ¤É IP MASQ W
[ðRp
CµÄACXg[µÄ¾³¢ -
make modules; make modules_install
o ÉA IP }XJ[hXNvgðÇÝܹAu[gÌxÉ IP
MASQ ð©®IÉLøÉ·é×ÉA /etc/rc.d/rc.local ɽs©ÇÁµÜ
· -
.
.
.
#rc.firewall script - Start IPMASQ and the firewall
/etc/rc.d/rc.firewall
.
.
.
3.1.3. Linux 2.3.x / 2.4.x J[l
±Ì HOWTO ÅÍ 2.3.x Æ 2.4.x J[lÍ¢¾æèµÁĢܹñB
``2.3.x/2.4.x J[lÌKvð'' ÌÍÉL³êé URL ðQÆ·é©A»
êçðæèµÁÄ¢éVµ¢ HOWTO ðQƵľ³¢B
3.2. vCx[glbg[N IP AhXðà LAN ÉèÄé
SÄÌ àlbg[NãÅ MASQ ³ê½ }VÍAC^[lbgÅö®
ÉèÄçê½AhXðÂ׫*ÅÍ èܹñ*BÅ·ÌÅAC^[
lbgãÌAhXÆÔ©ç¸ÉAàlbg[NÌ}VÉAhXð
mÛ·é×ÌAÁêÅKØÈû@ª¶ÝµÈ¯êÎÈèܹñB
>IWiÌ IP }XJ[h FAQ æè -
RFC 1918 ÍC^[lbgÖ¼ÚÚ±³êÈ¢©AÜ½Í "vCx[g"
lbg[NÉp¢çêé IP AhXÉÖ·éö®¶Å·B±ÌprÌ×
ÉÁÊÉèÄçê½ 3ÂÌ IP AhXÌubNª èÜ·B
Section 3 - vCx[gAhXóÔ
Internet Assigned Numbers Authority (IANA) ÍAIP AhXóÔ̤¿
ȺÌ3ÂÌubNðvCx[glbg[NpÉ\ñµÄ¢Ü·B
10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
192.168.0.0 - 192.168.255.255
ÅÌubNÍu24rbgubNvA2ÔÚÌubNÍu20rbg
ubNvA3ÔÚÌubNÍu16rbgvubNÆÄÎêÜ·B
ÅÌubNÍPêÌNX A lbg[NÔÈOÌÈÉàÌÅàÈA
2ÔÚÌubNÍA±·é16ÂÌNX B lbg[NÔÌWÅ èA
3ÔÚÌubNÍA±·é255ÂÌNX C lbg[NÔÌWÅ é±ÆÉ
ӵľ³¢B
QlÌ×ÉAÍ 192.168.0.0 Ìlbg[NAhXÆ 255.255.255.0 Ì
Class-C Tulbg}XNðIðµÄ¨èA±Ì HOWTO ɨ¢Äà±êð½
fµÄ¢Ü·BÅàAãLÌvCx[glbg[NÍSÄLøÅ·¯êÇ
àAK¸³µ¢Tulbg}XNðp¢Ä¾³¢BÅ·ÌÅAൠClass-C
Ìlbg[Nðg¤ÈçA ȽÌlbg[NãÌ TCP/IP vgRª
@\µÄ¢é}VÉèÄçêéÔÍA 192.168.0.1, 192.168.0.2,
192.168.0.3, ..., 192.168.0.x ÆÈèÜ·B
192.168.0.1 ͽÌêAOlbg[NÖoÄs×ÌàQ[gEF
C½Í Linux MASQ }VÆÈèÜ·B 192.168.0.0 Æ 192.168.0.255 Í»
ê¼êlbg[NyÑu[hLXgAhXÅ é±ÆÉӵľ
³¢ (±êçÌAhXÍ*\ñÏÝ*Å·) B±êçÌAhXð}VÉ
èÄȢž³¢A³àÈΠȽÌ}Vâlbg[NͳíÉ®
ìµÜ¹ñB
3.3. IP tH[fBO|V[ðÝè·é
±Ì_ÉÖµÄÍAJ[lƻ̼KvÈpbP[WªCXg[³êÄ
¢é׫ŷBSÄÌlbg[NÌ IP AhXAQ[gEFCA»µÄ
DNS AhXÍ Linux MASQ T[oãÅà¯lÉÝè³êÄ¢é׫ŷBà
µ Linux lbg[NJ[hÌÝèû@ðmçÈ¢ÈçA±Ì HOWTO Ì
``2.0.x J[lÌKvð'' ½Í ``2.2.x J[lÌKvð'' ÌÍð
QƵľ³¢B
³ÄAÅãÉâècµ½±ÆÍAwè³ê½}VÉKØÉpPbgð]
(FORWARD) yÑ }XJ[h (MASQUERADE) ·é×ÌA IP t@CAEH[
Oc[ðÝè·é±ÆÅ·B
** ±ÌÀ»ÉÍFXÆá¤û@ªòR è¾Ü·B±ê©ç¦·
ñÄÆÀáÍÌÅ®ìµÄ¢Ü·ªA ȽÈèÌá¤AC
fBAâKv«ª é±Æŵå¤B
±ÌÍÍ IP }XJ[h@\ª®ìµ¾é×ÌAfÌÅáÀÌ
t@CAEH[Ì[ZbgðÐî·é*¾¯*Å·BêU (±
Ì HOWTO ÉÄãq·é) IP MASQ ÌeXgª¬÷µ½çAæèÀ
SÈt@CAEH[Ì[ZbgÌ×É ``¢ IPFWADM Ì
[Zbg'' Æ ``¢ IPCHAINS Ì[Zbg'' ÌÍðQÆ
µÄ¾³¢BXÉAÚ×É¢ÄÍ IPFWADM (2.0.x) yÑ/Í
IPCHAINS (2.2.x) ÌIC}j
AðQƵľ³¢B
3.3.1. Linux 2.2.x J[l
2.1.x Æ 2.2.x J[l̼ûÉÄ IP }XJ[fBOÌ[ðì
·é×ÉA IPFWADM ÍàÍât@CAEH[c[ƵÄÍg¦È¢ ±Æ
Éӵľ³¢B¡A±êçVµ¢J[lÅÍ IPCHAINS c[ðg¢
Ü·B±ÌÏXÉÖ·éÚ×É¢ÄÍA ``æ é¿â (FAQ)'' ÌÍðQ
Ƶľ³¢B
àIÅPÈ[ZbgÉÄA ȺÉL·æ¤É
/etc/rc.d/rc.firewall ð쬵ܷ -
#!/bin/sh
#
# rc.firewall - IPCHAINS ðp¢½A 2.1.x yÑ 2.2.x J[lÌ×ÌA
# àIÅPÈ IP }XJ[hÌeXg
#
#
# KvÈ IP MASQ W
[ðSÄÇÝÝÜ·B
#
# Ó - KvÆ·é IP MASQ W
[¾¯ð[hµÄ¾³¢B
# »ÝÌ IP MASQ W
[ÌSĪȺÉL³êĢܷªA
# RgAEg·êÎ[hð}~Å«Ü·B
# W
[Ì[hÌúiKÉKvÅ·B
#
/sbin/depmod -a
# PORT \bhðp¢½ FTP t@C]ÌKØÈ}XJ[fBOð
# T|[gµÜ·B
# yó: PORT \bhÍpbVu[hÅÈ¢AÊíÌ FTP Ú±ðwµÜ·B
# Ú±ãAf[^|[gðgp·éÛÉA FTP T[o¤©çNCAg¤É
# 뵀 TCP Ú±ðm§µæ¤ÆµÜ·B
# ±ÌW
[Í FTP NCAgðpbVu[hÅgp·éÛÉÍsv
# Å·Bz
#
/sbin/modprobe ip_masq_ftp
# UDP ãÅ RealAudio Ì}XJ[fBOðT|[gµÜ·B
# ±ÌW
[ªÈ¢ÆA RealAudio Í@\µÜ·ªA TCP [hÅ®ì
# µA»ÌÊƵĹ¿Ìò»ðЫN±µÜ·B
#
#/sbin/modprobe ip_masq_raudio
# IRC ɨ¯é DCC t@C]Ì}XJ[fBOðT|[gµÜ·B
#
#/sbin/modprobe ip_masq_irc
yó: DCC (Direct Client Connection) ÆÍAclient ¯mª IRC server
ðî³¸É¼Ú connection ð£ÁÄt@Cðóµ½èAïbðµ½è·
éµÝðwµÜ·B DCC ÌÚ×É¢ÄÍ irchat-micro-howto âA
irchat-jp pbP[WÉYt³êÄ¢é FAQ-about-jp24.txt ðQƵÄ
¾³¢Bz
# ftHgÅ Quake yÑ QuakeWorld Ì}XJ[fBOðT|[gµÜ·B
# ±ÌW
[Í Linux MASQ T[oÌãë¤É¢é¡Ì[UÌ×É è
# Ü·B
# Quake I, II, yÑ III ðvC·éÂàèÈçA 2ÔÚÌáðp¢Ä¾³¢B
#
# Ó - ൠQUAKE W
[Ì[hɸsµÄ ERROR ª\¦³ê½çA
# ----- »êÍoOªÜÜê½Ã¢J[lÅ·BÅVÌJ[lÉXVµÄ
# ¾³¢B
#
#Quake I / QuakeWorld (26000 yÑ 27000 Ô|[g)
#/sbin/modprobe ip_masq_quake
#
#Quake I/II/III / QuakeWorld (26000, 27000, 27910, 27960 Ô|[g)
#/sbin/modprobe ip_masq_quake 26000,27000,27910,27960
# CuSeeme rfIïc\tgEFAÌ}XJ[fBOðT|[gµÜ·B
#
#/sbin/modprobe ip_masq_cuseeme
# VDO-live rfIïc\tgEFAÌ}XJ[fBOðT|[gµÜ·B
#
#/sbin/modprobe ip_masq_vdolive
#dv - ftHgųøÉÈÁÄ¢é IP tH[fBOðLøɵܷB
#
# Redhat [UÖ - /etc/sysconfig/network ðȺÌæ¤É
# «·¦ÄA±ÌIvVðÏXÅ«é
# ¤Å·ÌÅAµÄÝľ³¢B
#
# FORWARD_IPV4=false
# «
# FORWARD_IPV4=true
#
echo "1" > /proc/sys/net/ipv4/ip_forward
#dv - 2.2.x J[lÌftHgųøÉÈÁÄ¢é IP ftOg
# (ÅK»)ðLøɵܷB
# ±êÍRpCÌIvVÅLøŵ½ªA 2.2.12 ÌÉ
# »Ì®ìªÏX³êĵܢܵ½B
#
echo "1" > /proc/sys/net/ipv4/ip_always_defrag
# ®I IP [UÖ -
#
# ൠSLIP, PPP, ½Í DHCP Å®IÉ IP AhXð¾Ä¢éÈçA±±É
# L·ÈºÌIvVðLøɵľ³¢B
# ±êÉæÁÄ IP MASQ ɨ¢Ä®I IP AhXÌnbLOðÀ»µA
# eÕÉ Diald â¯lÌvOÌÒÔðLεܷB
#
#echo "1" > /proc/sys/net/ipv4/ip_dynaddr
yó: ±ÌIvVðLøÉ·éÆA ppp ÌÄÚ±AC^[tF[XÌ
IP AhXªÏíÁÄàAÈOÌ}XJ[he[uðjü¹¸A IP AhX
ð«·¦ÄÄpµÜ·Bz
# ô©ÌC^[lbgÎQ[ªv·éA[Y UDP pb`ð
# LøɵܷB
#
# IP }XJ[h{bNXzµÉC^[lbgÎQ[ðâè½ÄA
# »ÌQ[ð§¿ã°ÄÄÝè·é±ÆÈyµÝ½¢ÈçA±ÌIvVð
# LøɵÄÝľ³¢ ("#" ÉæéRgAEgðíµÜ·) B
# à}Vª UDP |[gXLÅU³êâ·ÈéÂ\«ª éÌÅA
# ±ÌIvVÍftHgÅͳøÉÈÁĢܷB
#
#echo "1" > /proc/sys/net/ipv4/ip_masq_udp_dloose
# MASQ ^CAEgl
#
# TCP ZbVɨ¢Ä 2 ÔÌ^CAEglðA
# TCP/IP "FIN" pPbgðóMãÌgtBbNɨ¢Ä 10 bÌ^CAEg
# lðA
# UDP gtBbNɨ¢Ä 160 bÌ^CAEgl(MASQ ³ê½ ICQ [U
# Ì×ÉdvÅ·) ðÝèµÜ·B
#
/sbin/ipchains -M -S 7200 10 160
# DHCP - ADSL â P[ufÌ[UÌæ¤ÈADHCP ½Í BOOTP Ì
# ¢¸ê©©çO IP AhXðæ¾·élÍA±ÌãÉLq³êé
# ipchains Ì deny R}hÌOɱÌsðKvƵܷB
# "bootp_client_net_if_name" ÉÍ DHCP/BOOTP T[oªAhXð
# èÄéC^[tF[X¼É«·¦Ä¾³¢B
# °ç "eth0", "eth1" ÉÈé±Æŵå¤B
#
# ±ÌáÍ¡ÌRgAEgµÄ¢Ü·B
#
#/sbin/ipchains -A input -j ACCEPT -i bootp_clients_net_if_name -s 0/0 67 -d 0/0 68 -p udp
# PÈ IP tH[fBOyÑ}XJ[fBOðLøɵܷB
#
# Ó - ȺÌáÍ 192.168.0.x Ìà LAN AhXÅ 255.255.255.0 Í
# "24" rbgÌTulbg}XNæèÈélbg[NªA eth0
# C^[tF[XðʶÄC^[lbgÖÚ±³êéêðLµÄ
# ¢Ü·B
#
# ** ȽÌà LAN ÌÝèɤæ¤ÉAlbg[NÔA
# ** Tulbg}XNyÑC^[lbgÚ±ÌC^[tF[X¼
# ** ðÏXµÄ¾³¢B
#
/sbin/ipchains -P forward DENY
/sbin/ipchains -A forward -i eth0 -s 192.168.0.0/24 -j MASQ
êU /etc/rc.d/rc.firewall Ì[ZbgðÒWµI¦½çAÀsÂ\É
·éæ¤É chmod 700 /etc/rc.d/rc.firewall ðü͵AÀsµÄ¾³
¢B
³ÄAt@CAEH[Ì[ZbgÌõª®¢Üµ½B±êðu[g
ãÉÀs³¹éKvª èÜ·BÀsÉÍAñèÅs¤û@ (êÉÅ·)
©Au[gXNvgÉÇÁ·éû@ª èÜ·B鼃 2ÂÌû@ðLµÄ
¨«Üµ½ -
o Redhat yÑ Redhat ©çh¶µ½fBXgr
[V -
o N®XNvgÌ[hÉÖµA Redhat ÉÍ 2ÂÌû@ª èÜ· -
/etc/rc.d/rc.local ½Í /etc/rc.d/init.d/ ÌÉ é init XNv
gÅ·BOÒÌû@ªÅàÈPÅ·Bâé׫±ÆÍȺÌsð
/etc/rc.d/rc.local t@CÌÅãÉÇÁ·é±ÆÅ· -
o echo "Loading the rc.firewall ruleset.." /etc/rc.d/rc.firewall
±Ìè@Ìâè_ÍAÅÈt@CAEH[Ì[Zbgð®ì³¹
æ¤Æ·éÛÉAt@CAEH[Íu[gI¹ÉéÜÅÀs³êÈ
¢AÆ¢¤_É èÜ·BDܵ¢è@ƵÄÍAlbg[NTuVX
eÌÝèª[h³ê½¼ãÉAt@CAEH[ÌÝèª[h³ê
éæ¤É·é±ÆÅ·B¡ÌA±Ì HOWTO Í /etc/rc.d/rc.local ÌÝ
èÌÝðµÁĢܷBæèÅÈVXeð¨]ÝÈçA±Ì HOWTO Ì
ÅãÌÍÉNª é TrinityOS Ì10ÍðQÆ·é±Æð¨EßµÜ
·B
o Slackware -
o N®XNvgÌ[hÉÖµA Slackware ÉÍ 2ÂÌû@ª èÜ· -
/etc/rc.d/rc.local ½Í /etc/rc.d/rc.inet2 t@CðÒW·é±ÆÅ
·BOÒÌû@ªÅàÈPÅ·Bâé׫±ÆÍȺÌsð
/etc/rc.d/rc.local t@CÌÅãÉÇÁ·é±ÆÅ· -
o echo "Loading the rc.firewall ruleset.."
/etc/rc.d/rc.firewall
±Ìè@Ìâè_ÍAÅÈt@CAEH[Ì[Zbgð®ì³¹
æ¤Æ·éÛÉAt@CAEH[Íu[gI¹ÉéÜÅÀs³êÈ
¢AÆ¢¤_É èÜ·BDܵ¢è@ƵÄÍAlbg[NTuVX
eÌÝèª[h³ê½¼ãÉAt@CAEH[ÌÝèª[h³ê
éæ¤É·é±ÆÅ·B¡ÌA±Ì HOWTO Í /etc/rc.d/rc.local ÌÝ
èÌÝðµÁĢܷBæèÅÈVXeð¨]ÝÈçA±Ì HOWTO Ì
ÅãÌÍÉNª é TrinityOS Ì10ÍðQÆ·é±Æð¨EßµÜ
·B
ãqÌt@CAEH[Ì[ZbgðÏXµ½¢[UÖÌÓ -
®SÈ TCP/IP lbg[NðÀ»·éãqÌû@ÌãíèÉA*PÌÌ}V
¾¯*Ì IP }XJ[fBOðÀ»µ½¢Æv¤ûà¢é±Æŵå
¤Bá¦ÎAÍ 192.168.0.2 Æ 192.168.0.8 ÌzXg¾¯ðC^[lb
gÖÚ±³¹½¢ÆµÜ·B±Ìàlbg[NãɼÌ}VͶݵ
ܹñBÍ (ãqÌ) "PÈ IP tH[fBOyÑ}XJ[fB
OðÀ»·é" ÌÍÌA /etc/rc.d/rc.firewall Ì[ZbgðAȺÌ
æ¤É«·¦Ü·B
#!/bin/sh
#
# PÈ IP tH[fBOyÑ}XJ[fBOðLøɵܷB
#
# Ó - ȺÌáÍ 192.168.0.x Ìà LAN AhXÅ 255.255.255.0 Í
# "24" rbgÌTulbg}XNæèÈélbg[NªA eth0
# C^[tF[XðʶÄC^[lbgÖÚ±³êéêðLµÄ
# ¢Ü·B
#
# ** ȽÌà LAN ÌÝèɤæ¤ÉAlbg[NÔA
# ** Tulbg}XNyÑC^[lbgÚ±ÌC^[tF[X¼
# ** ðÏXµÄ¾³¢B
#
/sbin/ipchains -P forward DENY
/sbin/ipchains -A forward -i eth0 -s 192.168.0.2/32 -j MASQ
/sbin/ipchains -A forward -i eth0 -s 192.168.0.8/32 -j MASQ
æ éÔᢠ-
úiKÌ IP Masq [UªÆµª¿Èæ éÔá¢ÆµÄAȺÌæ¤
ÈR}hª èÜ· -
/sbin/ipchains -P forward masquerade
µÄAftHg|V[ð}XJ[fBOɵÄÍ¢¯Ü¹ñB³à
ÈÎAoHe[uðìÅ«éN©ª ȽÌQ[gEFC}VÉð
J¯A©gÌg³ð}XJ[hµÄµÜ¤©àmêÈ¢©çÅ·!
JèԵܷA±êçÌsÍ /etc/rc.d/rc.firewall t@C©A Ƚª
Ið·é¼Ì rc t@C̤¿ÌêÂÉÇÁÅ«é©A IP }XJ[hð
KvÆ·éxÉèìÆÅÀsÅ«Ü·B
IPCHAINS ÆÅÈ IPCHAINS Ì[ZbgÌáÌÚ×ÈèøÉÖµÄÍA
``¢ IPFWADM Ì[Zbg'' Æ ``¢ IPCHAINS Ì[Zbg'' Ì
ÍðQƵľ³¢BXÉÚ×È IPCHAINS Ìg¢ûÉÖµÄÍAvC}
IPCHAINS TCgÅ é http://netfilter.filewatcher.org/ipchains/
©A Linux IP CHAINS HOWTO Backup ðQƵľ³¢B
3.3.2. Linux 2.0.x J[l
àIÅPÈ[ZbgÉÄA ȺÉL·æ¤É
/etc/rc.d/rc.firewall ð쬵ܷ -
# rc.firewall - IPFWADM ðp¢½A 2.0.x J[lÌ×ÌA
# àIÅPÈ IP }XJ[hÌÝè
#
# KvÈ IP MASQ W
[ðSÄÇÝÝÜ·B
#
# Ó - KvÆ·é IP MASQ W
[¾¯ð[hµÄ¾³¢B
# »ÝÌ IP MASQ W
[ÌSĪȺÉL³êĢܷªA
# RgAEg·é±ÆÅ[hð}~·é±ÆªÅ«Ü·B
# W
[Ì[hÌúiKÉKvÅ·B
#
#
/sbin/depmod -a
# Supports the proper masquerading of FTP file transfers using the PORT method
# PORT \bhðp¢½ FTP t@C]ÌKØÈ}XJ[fBOð
# T|[gµÜ·B
# yó: PORT \bhÍpbVu[hÅÈ¢AÊíÌ FTP Ú±ðwµÜ·B
# Ú±ãAf[^|[gðgp·éÛÉA FTP T[o¤©çNCAg¤É
# 뵀 TCP Ú±ðm§µæ¤ÆµÜ·B
# ±ÌW
[Í FTP NCAgðpbVu[hÅgp·éÛÉÍsv
# Å·Bz
#
/sbin/modprobe ip_masq_ftp
# UDP ãÅ RealAudio Ì}XJ[fBOðT|[gµÜ·B
# ±ÌW
[ªÈ¢ÆA RealAudio Í@\µÜ·ªA TCP [hÅ®ì
# µA»ÌÊƵĹ¿Ìò»ðЫN±µÜ·B
#
#/sbin/modprobe ip_masq_raudio
# IRC ɨ¯é DCC t@C]Ì}XJ[fBOðT|[gµÜ·B
yó: DCC (Direct Client Connection) ÆÍAclient ¯mª IRC server
ðî³¸É¼Ú connection ð£ÁÄt@Cðóµ½èAïbðµ½è·
éµÝðwµÜ·B DCC ÌÚ×É¢ÄÍ irchat-micro-howto âA
irchat-jp pbP[W ÉYt³êÄ¢é FAQ-about-jp24.txt ðQƵÄ
¾³¢Bz
#
#/sbin/modprobe ip_masq_irc
# ftHgÅ Quake yÑ QuakeWorld Ì}XJ[fBOðT|[gµÜ·B
# ±ÌW
[Í Linux MASQ T[oÌãë¤É¢é¡Ì[UÌ×É è
# Ü·B
# Quake I, II, yÑ III ðvC·éÂàèÈçA 2ÔÚÌáðp¢Ä¾³¢B
#
# Ó - ൠQUAKE W
[Ì[hɸsµÄ ERROR ª\¦³ê½çA
# ----- »êÍoOªÜÜê½Ã¢J[lÅ·BÅVÌJ[lÉXVµÄ
# ¾³¢B
#
#Quake I / QuakeWorld (ports 26000 and 27000)
#/sbin/modprobe ip_masq_quake
#
#Quake I/II/III / QuakeWorld (ports 26000, 27000, 27910, 27960)
#/sbin/modprobe ip_masq_quake 26000,27000,27910,27960
# CuSeeme rfIïc\tgEFAÌ}XJ[fBOðT|[gµÜ·B
#
#/sbin/modprobe ip_masq_cuseeme
# VDO-live rfIïc\tgEFAÌ}XJ[fBOðT|[gµÜ·B
#
#/sbin/modprobe ip_masq_vdolive
#v½I - ftHgųøÉÈÁÄ¢é IP tH[fBOðLøɵܷB
#
# Redhat [UÖ - /etc/sysconfig/network ðȺÌæ¤É
# «·¦ÄA±ÌIvVðÏX³¹é
# ±ÆªÅ«éŵå¤B
#
# FORWARD_IPV4=false
# to
# FORWARD_IPV4=true
#
echo "1" > /proc/sys/net/ipv4/ip_forward
#v½I - ftHgųøÉÈÁÄ¢é IP ftOg(ÅK»)ðLøÉ
# µÜ·B
# ±êÍRpCÌIvVÅLøŵ½ªA 2.2.12 ÌÉ
# »Ì®ìªÏX³êĵܢܵ½B
# ±ÌIvVÍ 2.0 yÑ 2.2 J[l̼ûÉKvÅ·B
#
echo "1" > /proc/sys/net/ipv4/ip_always_defrag
# ®I IP [UÖ -
#
# ൠSLIP, PPP, ½Í DHCP Å®IÉ IP AhXð¾Ä¢éÈçA±±É
# L·ÈºÌIvVðLøɵľ³¢B
# ±êÉæÁÄ IP MASQ ɨ¢Ä®I IP AhXÌnbLOðÀ»µA
# eÕÉ Diald â¯lÌvOÌÒÔðLεܷB
#
#echo "1" > /proc/sys/net/ipv4/ip_dynaddr
# MASQ ^CAEgl
#
# TCP ZbVɨ¢Ä 2 ÔÌ^CAEglðA
# TCP/IP "FIN" pPbgðóMãÌgtBbNɨ¢Ä 10 bÌ^CAEg
# lðA
# UDP gtBbNɨ¢Ä 160 bÌ^CAEgl(MASQ ³ê½ ICQ [U
# Ì×ÉdvÅ·) ðÝèµÜ·B
#
/sbin/ipfwadm -M -s 7200 10 160
# DHCP - ADSL â P[ufÌ[UÌæ¤ÈADHCP ½Í BOOTP Ì
# ¢¸ê©©çAO IP AhXðæ¾·élÍA±ÌãÉLq³êé
# ipchains Ì deny R}hÌOɱÌsðKvƵܷB
# "bootp_client_net_if_name" ÉÍ DHCP/BOOTP T[oªAhXð
# èÄéC^[tF[X¼É«·¦Ä¾³¢B
# °ç "eth0", "eth1" ÉÈé±Æŵå¤B
#
# ±ÌáÍ¡ÌRgAEgµÄ¢Ü·B
#
#
#/sbin/ipfwadm -I -a accept -S 0/0 67 -D 0/0 68 -W bootp_clients_net_if_name -P udp
# PÈ IP tH[fBOyÑ}XJ[fBOðLøɵܷB
#
# Ó - ȺÌáÍ 192.168.0.x Ìà LAN AhXÅ 255.255.255.0 Í
# "24" rbgÌTulbg}XNæèÈélbg[NªA eth0
# C^[tF[XðʶÄC^[lbgÖÚ±³êéêðLµÄ
# ¢Ü·B
#
# ** ȽÌà LAN ÌÝèɤæ¤ÉAlbg[NÔA
# ** Tulbg}XNyÑC^[lbgÚ±ÌC^[tF[X¼
# ** ðÏXµÄ¾³¢B
#
/sbin/ipfwadm -F -p deny
/sbin/ipfwadm -F -a m -W eth0 -S 192.168.0.0/24 -D 0.0.0.0/0
êU /etc/rc.d/rc.firewall Ì[ZbgðÒWµI¦½çAÀsÂ\É
·éæ¤É chmod 700 /etc/rc.d/rc.firewall ðü͵AÀsµÄ¾³
¢B
³ÄAt@CAEH[Ì[ZbgÌõª®¢Üµ½B±êðu[g
ãÉÀs³¹éKvª èÜ·BÀsÉÍAñèÅs¤û@ (êÉÅ·)
©Au[gXNvgÉÇÁ·éû@ª èÜ·B鼃 2ÂÌû@ðLµÄ
¨«Üµ½ -
o Redhat yÑ Redhat ©çh¶µ½fBXgr
[V -
o N®XNvgÌ[hÉÖµA Redhat ÉÍ 2ÂÌû@ª èÜ· -
/etc/rc.d/rc.local ½Í /etc/rc.d/init.d/ ÌÉ é init XN
vgÅ·BOÒÌû@ªÅàÈPÅ·Bâé׫±ÆÍȺÌsð
/etc/rc.d/rc.local t@CÌÅãÉÇÁ·é±ÆÅ· -
o echo "Loading the rc.firewall ruleset.."
/etc/rc.d/rc.firewall
±Ìè@Ìâè_ÍAÅÈt@CAEH[Ì[Zbgð®ì³¹
æ¤Æ·éÛÉAt@CAEH[Íu[gI¹ÉéÜÅÀs³êÈ
¢AÆ¢¤_É èÜ·BDܵ¢è@ƵÄÍAlbg[NTuVX
eÌÝèª[h³ê½¼ãÉAt@CAEH[ÌÝèª[h³ê
éæ¤É·é±ÆÅ·B¡ÌA±Ì HOWTO Í /etc/rc.d/rc.local ÌÝ
èÌÝðµÁĢܷBæèÅÈVXeð¨]ÝÈçA±Ì HOWTO Ì
ÅãÌÍÉNª é TrinityOS Ì10ÍðQÆ·é±Æð¨EßµÜ
·B
o Slackware:
o N®XNvgÌ[hÉÖµA Slackware ÉÍ 2ÂÌû@ª èÜ
· - /etc/rc.d/rc.local ½Í /etc/rc.d/rc.inet2 t@CðÒW·
é±ÆÅ·BOÒÌû@ªÅàÈPÅ·Bâé׫±ÆÍȺÌsð
/etc/rc.d/rc.local t@CÌÅãÉÇÁ·é±ÆÅ· -
o echo "Loading the rc.firewall ruleset.."
/etc/rc.d/rc.firewall
±Ìè@Ìâè_ÍAÅÈt@CAEH[Ì[Zbgð®ì³
¹æ¤Æ·éÛÉAt@CAEH[Íu[gI¹ÉéÜÅÀs³ê
È¢AÆ¢¤_É èÜ·BDܵ¢è@ƵÄÍAlbg[NTu
VXeÌÝèª[h³ê½¼ãÉAt@CAEH[ÌÝèª[
h³êéæ¤É·é±ÆÅ·B¡ÌA±Ì HOWTO Í
/etc/rc.d/rc.local ÌÝèÌÝðµÁĢܷBæèÅÈVXe
ð¨]ÝÈçA±Ì HOWTO ÌÅãÌÍÉNª é TrinityOS
Ì10ÍðQÆ·é±Æð¨EߵܷB
ãqÌt@CAEH[Ì[ZbgðÏXµ½¢[UÖÌÓ -
®SÈ TCP/IP lbg[NðÀ»·éãqÌû@ÌãíèÉA*PÌÌ}V
¾¯*Ì IP }XJ[fBOðÀ»µ½¢Æv¤ûà¢é±Æŵå
¤Bá¦ÎAÍ 192.168.0.2 Æ 192.168.0.8 ÌzXg¾¯ðC^[lb
gÖÚ±³¹½¢ÆµÜ·B±Ìàlbg[NãɼÌ}VͶݵ
ܹñBÍ (ãqÌ) "PÈ IP tH[fBOyÑ}XJ[fB
OðÀ»·é" ÌÍÌA /etc/rc.d/rc.firewall Ì[ZbgðAȺÌ
æ¤É«·¦Ü·B
#!/bin/sh
#
# PÈ IP tH[fBOyÑ}XJ[fBOðLøɵܷB
#
# Ó - ȺÌáÍ 192.168.0.x Ìà LAN AhXÅ 255.255.255.0 Í
# "24" rbgÌTulbg}XNæèÈélbg[NªA eth0
# C^[tF[XðʶÄC^[lbgÖÚ±³êéêðLµÄ
# ¢Ü·B
#
# ** ȽÌà LAN ÌÝèɤæ¤ÉAlbg[NÔA
# ** Tulbg}XNyÑC^[lbgÚ±ÌC^[tF[X¼
# ** ðÏXµÄ¾³¢B
#
/sbin/ipfwadm -F -p deny
/sbin/ipfwadm -F -a m -W eth0 -S 192.168.0.2/32 -D 0.0.0.0/0
/sbin/ipfwadm -F -a m -W eth0 -S 192.168.0.8/32 -D 0.0.0.0/0
æ éÔᢠ-
úiKÌ IP Masq [UªÆµª¿Èæ éÔá¢ÆµÄAȺÌæ¤
ÈR}hª èÜ· -
ipfwadm -F -p masquerade
µÄAftHg|V[ð}XJ[fBOɵÄÍ¢¯Ü¹ñB³à
ÈÎAoHe[uðìÅ«éN©ª ȽÌQ[gEFC}VÉð
J¯A©gÌg³ð}XJ[hµÄµÜ¤©àmêÈ¢©çÅ·!
JèԵܷA±êçÌsÍ /etc/rc.d/rc.firewall t@C©A Ƚª
Ið·é¼Ì rc t@C̤¿ÌêÂÉÇÁÅ«é©A IP }XJ[hð
KvÆ·éxÉèìÆÅÀsÅ«Ü·B
æèÅÈ IPCHAINS Æ IPFWADM Ì[ZbgÌáÌÚ×ÈèøÉÖµÄ
ÍA ``¢ IPCHAINS Ì[Zbg'' Æ ``¢ IPFWADM Ì[Zb
g'' ÌÍðQƵľ³¢B
4. }XJ[hÚ±·é¼Ìà}VÌÝè
}XJ[hÚ±·éeà}VÅÍAKØÈ IP AhXðÝè·é¾¯
ÅÈALinux }XJ[hT[oÆ DNS T[oÌQ[gEFC IP Ah
XðÝè·éKvà èÜ·BêÊIɾÁÄA»êÙÇïµ¢ìÆÅÍ è
ܹñBLinux zXgÌAhX(ÊíÍA192.168.0.1 Æ¢¤AhX)ðQ
[gEFCAhXƵÄüͷ龯ŷB
DNS(hCl[T[rX)ÉÍApÅ«é DNS T[oÅ êÎAÇÌ
DNS T[oðwèµÄà©Ü¢Ü¹ñBLinux T[oÌgpµÄ¢éàÌƯ
¶ DNS T[oðwè·é̪ª©èⷢŵå¤B±ÌÆ«ACÓÌuh
CT[`vTtBbNXðÇÁ·é±ÆàÅ«Ü·B
à}XJ[h}VÌÝèðI¦½çAlbg[NT[rXðN®µ¼
·©AVXeðu[gµÄ¾³¢B
±±ÅÍALinux }XJ[hT[oÌAhXÆµÄ 192.168.0.1 Æ¢¤
NX C lbg[NAhXðgp·éàÌƵÄÝèÌèðྵÜ
·B192.168.0.0 Æ 192.168.0.255 ÍALAN É\ñ³êÄ¢é TCP/IP Ah
XÅ·B
ȺÌvbgtH[ÍAà}XJ[h}VƵÄgpÀÑÌ éà
ÌÅ·B±êçÍ}XJ[hÉε½ OS ÌêáÉ·¬Ü¹ñB
o Apple Macintosh OS(MacTCP Ü½Í Open Transport @\Ì®ìµÄ¢é
àÌ)
o Commodore Amiga(AmiTCP Ü½Í AS225 X^bNÌ®ìµÄ¢éàÌ)
o Digital VAX Stations 3520 yÑ 3100 ÅÒ®µÄ¢é UCX(VMS pÌ
TCP/IP X^bNª éàÌ)
o Digital Alpha/AXP ÅÒ®·é Linux/Redhat
o RS/6000 ÅÒ®·é IBM AIX
o IBM OS/2(Warp v3 ðÜÞ)
o AS/400 ÅÒ®·é IBM OS400
o Linux 1.2.xA1.3.xA2.0.xA2.1.xA2.2.x
o Microsoft DOS(NCSA Telnet pbP[WðgpµADOS Trumpet ªê@
\µÄ¢éàÌ)
o Microsoft Windows 3.1(Netmanage Chameleon pbP[WðgpµÄ¢é
àÌ)
o Microsoft Windows For Workgroup 3.11(TCP/IP pbP[WÌ®ìµÄ¢
éàÌ)
o Microsoft Windows 95AOSR2A98A98SE
o Microsoft Windows NT 3.51A4.0A2000(Workstation yÑ Server)
o Novell Netware 4.01 Server(TCP/IP T[rXÌ®ìµÄ¢éàÌ)
o SCO Openserver(v3.2.4.2 yÑ 5)
o Sun Solaris 2.51A2.6A7
yó: Microsoft Windows for Workgroup 3.11 ÍAú{ÅͳêÄ¢
ܹñBz
4.1. Microsoft Windows 95 ÅÌÝè
1. 究ßlbg[NJ[hâA_v^hCoðCXg[µÄ¨
«Ü·BCXg[ÌèÉ¢ÄÍAlbg[NJ[hÌà¾ð
QƵľ³¢B
2. uRg[plv©çulbg[NvðIðµÜ·B
3. uÇÁv¨uvgRv¨u»¢³: Microsoft(Manufacture:
Microsoft)v¨uvgR: TCP/IP vgRvðIðµÜ·(·ÅÉ
TCP/IP vgRªCXg[³êÄ¢êÎA±ÌìÆÍsvÅ·)B
4. Windows95 Ìlbg[NJ[hÌ TCP/IP ÚðIðµ½óÔÅuv
peBvðNbNµÜ·BuIP AhXv^uðJ¢ÄAIP AhX
ð 192.168.0.x(1 < x < 255)ÉÝèµAuTulbg}XNvð
255.255.255.0 ÉÝèµÜ·B
5. ÉAuQ[gEFCv^uðJ¢ÄAuQ[gEFCvÉ 192.168.0.1
Æü͵AuÇÁvðNbNµÜ·B
6. uDNS ÌÝèv^uÅA©ªÌ}V̼Oª¦³êÄ¢é±ÆðmFµ
Ä©çAö®ÈhC¼ðü͵ܷB©OÌhCªÈ¢êÉ
ÍApµÄ¢éC^[lbgvoC_ (ISP) ÌhC¼ðü͵
Ü·BÉA Linux zXgÌgpµÄ¢é DNS T[o (ÊíÍA
/etc/resolv.conf Åwè³êÄ¢é DNS T[o) ð·×ÄÇÁµÜ·B
±¤µ½ DNS T[oÉÍA È½Ì Linux }XJ[hT[oãÉ é
Æ©ÌLbVOl[T[oâ³®È DNS T[oðgp·é±ÆàÅ
«Ü·ªA ISP ÌT[oðwè·é̪ÊÅ·B±ÌÆ«AhCT
[`TtBbNXðt¯é±ÆàÅ«Ü·B
7. 檩çȯêÎAÙ©ÌÝèÍ·×Ä»ÌÜÜɵĨ«Ü·B
8. ·×ÄÌ_CAO{bNXÅuOKvðNbNµÄAVXeðÄN®
µÜ·B
9. Linux }VÉ ping ðÅ¿Albg[NÚ±ðeXgµÜ·But@
C¼ðwèµÄÀsvÅAȺÌæ¤Éü͵ľ³¢ - ping
192.168.0.1
(ܾ LAN ÌÚ±ðeXgµÄ¢é¾¯ÈÌÅALAN ÌOÖ ping ÍÅ
Äܹñ)B ping ÉuvªÈ¢êÉÍAlbg[NÌÝèðmF
µÄ¾³¢B
10.
C:\Windows fBNgÉ HOSTS Æ¢¤t@Cð쬵Ĩ¯ÎADNS
T[oðgpµÈÄàe LAN }VÌuzXg¼vÉ ping ªÊéæ¤
ÈèÜ·BC:\windows fBNgÉÍ HOSTS.SAM Æ¢¤Tvt@
CªûßçêĢܷB
4.2. Windows NT ÅÌÝè
yó: ±êÍ NT 3.x ÌÝèû@ÅAUI (_COâ^u)Ìóà NT 3.x
ÉîÃàÌÅ·BNT4.0 â Windows 2000 ÈÇA»Ì¼Ì Windows NT n
OS ÌÝèàTOƵÄͯlÅ·ªAèÌÚ×É¢ÄÍOS Ì}j
A
ðQƵľ³¢Bz
1. 究ßlbg[NJ[hâA_v^hCoðCXg[µÄ¨
«Ü·BCXg[ÌèÉ¢ÄÍAlbg[NJ[hÌà¾ð
QƵľ³¢B
2. uRg[plv¨ulbg[Nv¨uvgRvðIðµÜ
·B
3. TCP/IP T[rXðܾCXg[µÄ¢È¢êÉÍAu\tgEFA
ÌÇÁvj
[©ç TCP/IP vgRÆÖAR|[lgðÇÁµ
Ü·B
4. ulbg[N\tgEFAÆA_v^J[h(Network Software and
Adapter Cards)vÅugÝÜêÄ¢élbg[N\tgEF
A(Installed Network Software)vÆ¢¤Ið{bNX©çuTCP/IP v
gR(TCP/IP Protocol)vðIðµÜ·B
5. uTCP/IP Ì\¬vÅAKØÈA_v^(½Æ¦ÎA[1]Novell NE2000
Adapter)ðIðµÜ·BIP AhXð 192.168.0.x(1 < x < 255)ÉÝè
µATulbg}XNð 255.255.255.0 ÉAftHgQ[gEFCð
192.168.0.1 ÉÝèµÜ·B
6. (eIvVÌ@\ð³mÉðµÄ¢È¢Àè)ȺÌIvVÍL
øɵȢž³¢B
o uDHCP ©®\¬ðLøÉ·év - ±ÌIvVÍAlbg[NÅ
DHCP T[oðgpµÄ¢È¢Àè³øɵܷB
o 1ÂÜ½Í¡Ì WINS T[oðZbgAbvµÄ¢È¢ÀèAuWINS
T[ovÌüÍÉͽàü͵Ȣľ³¢B
o uIP tH[fBOðLøÉ·év - Windows NT }VÅ[
eBOðs¤ÌÅÈA{ÉA -{É- ³mɽð·éÌ©ðm
çÈ¢êÉÍALøɵȢž³¢B
7. uDNSvðNbNµALinux zXgÌgpµÄ¢é DNS T[oÌAh
Xðü͵ܷ(±ÌAhXÍAÊíA/etc/resolv.conf É èÜ·)B
üÍðI¦½çuOKvðNbNµÜ·B
8. uÚ×vðNbNµAuWindows ¼OðÉ DNS ðgp·évÆ
uLMHOSTS ÌQÆðs¤vÆ¢¤IvVÉ`FbNªüÁĢȢ±
Æðm©ßÜ·B檩çȯêÎA±êçÌIvVͳøÈÜÜ
ɵĨ«Ü·BLMHOSTS t@Cðgp·éêA±Ìt@CÍ
C:\winnt\system32\drivers\etc Éu©êÜ·B
9. ·×ÄÌ_CAO{bNXÉuOKvƦÄAVXeðÄN®³¹Ü
·B
10.
Linux }VÉ ping ðÅÁÄlbg[NÚ±ðeXgµÜ·But@
C¼ðwèµÄÀsvÅAȺÌæ¤Éü͵ܷ - ping 192.168.0.1
(ܾ LAN ÌÚ±ðeXgµÄ¢é¾¯ÈÌÅALAN ÌOÖ ping ÍÅ
Äܹñ)B ping ÉuvªÈ¢êÉÍlbg[NÌÝèðmFµ
ľ³¢B
4.3. Windows for Workgroup 3.11 ÅÌÝè
yó: Microsoft Windows for Workgroup 3.11 ÍAú{ÅͳêÄ¢
ܹñBµ½ªÁÄAUI pêɳKÌ|óͶݵȢÌÅ·ªA¼Ì OS
Ì UI \LÉí¹ÄAuaó (´¶)vÆ¢¤`ɵĨ«Ü·Bz
1. 究ßlbg[NJ[hâA_v^hCoðCXg[µÄ¨
«Ü·BCXg[ÌèÉ¢ÄÍAlbg[NJ[hÌà¾ð
QƵľ³¢B
2. TCP/IP 32b pbP[WðCXg[µÄ¢È¢êÉÍACXg[
µÜ·B
3. uC(Main)v¨uWindows ÌÝè(Windows Setup)v¨ulbg[N
ÌÝè(Network Setup)vÆiñÅuhCo(Drivers)vðNbNµÜ
·B
4. ulbg[NhCo(Network Drivers)vÅuMicrosoft TCP/IP-32
3.11bvðIðµAuÝè(Setup)vðNbNµÜ·B
5. uIP AhX(IP Address)vð 192.168.0.x(1 < x < 255)ÉÝèµA
uTulbg}XN(Subnet Mask)vð 255.255.255.0 ÉAuftHg
Q[gEFC(Default Gateway)vð 192.168.0.1 ÉÝèµÜ·B
6. (eIvVÌ@\ð³mÉðµÄ¢È¢Àè)ȺÌIvVÍL
øɵȢž³¢B
o uDHCP ©®\¬ðLøÉ·é(Automatic DHCP Configuration)v - ±
ÌIvVÍAlbg[NÅ DHCP T[oðgpµÄ¢È¢Àè³
øɵܷB
o PÂÜ½Í¡Ì WINS T[oðZbgAbvµÄ¢È¢ÀèAuWINS
T[o(WINS Server)vÌüÍtB[hÉͽàü͵Ȣľ³
¢B
7. uDNSvðNbNµALinux zXgÌgpµÄ¢é DNS T[oÌAh
Xðü͵ܷ(±ÌAhXÍAÊíA/etc/resolv.conf É èÜ·)B
üÍðI¦½çAuOKvðNbNµÜ·B
8. uÚ×(Advanced)vðNbNµÄAc:\windows É éuWindows ¼Oð
É DNS ðgp·é(Enable DNS for Windows Name Resolution)vÆ
uLMHOSTS ÌQÆðs¤(Enable LMHOSTS lookup)vÉ`FbNðüêÜ
·B
9. ·×ÄÌ_CAO{bNXÉuOKvƦÄAVXeðÄN®³¹Ü
·B
10.
Linux }VÉ ping ðÅÁÄlbg[NÚ±ðeXgµÜ·But@
C¼ðwèµÄÀs(File/Run)vÅAȺÌæ¤Éü͵ܷ - ping
192.168.0.1
(ܾ LAN ÌÚ±ðeXgµÄ¢é¾¯ÈÌÅALAN ÌOÖ ping ÍÅ
Äܹñ)B ping ÉuvªÈ¢êÉÍlbg[NÌÝèðmFµ
ľ³¢B
4.4. UNIX nVXeÅÌÝè
1. 究ßlbg[NJ[hðCXg[µAKØÈA_v^hC
oðgÝñÅJ[lðRpCµ¼µÄ¨«Ü·BCXg[Ì
èÉ¢ÄÍAlbg[NJ[hÌà¾ðQƵľ³¢B
2. net-tools pbP[WÌæ¤È TCP/IP lbg[N@\ðCXg[
µÄ¨«Ü·B
3. uIPADDRvð 192.168.0.xi1 < x < 255jÉÝ赽̿AuNETMASKv
ð 255.255.255.0 ÉAuGATEWAYvð 192.168.0.1 ÉAuBROADCASTv ð
192.168.0.255 ÉÝèµÜ·B
½Æ¦ÎARedhat Linux ÌêA/etc/sysconfig/network-
scripts/ifcfg-eth0 t@CðÒW·é©AܽÍuRg[pl
vðgp·é±ÆÉæÁÄãLÌÏXªs¦Ü·B»Ì¼Ì UNIX VX
e(SunOSABSDiASlackware LinuxASolarisASuSeADebian ÈÇ)ÅÍ
ÏXèªÙÈèÜ·BÚ×É¢ÄÍAÂXÌ UNIX VXeÌhL
gðQƵľ³¢B
4. hCl[T[rX(DNS)ÆhCT[`TtBbNXð
/etc/resolv.conf ÉÇÁµÜ·BUNIX Ìo[WÉæÁÄ
ÍA/etc/nsswitch.conf t@CðÒWµÄ DNS T[rXðLøÉ·é
Kvª èÜ·B
5. /etc/networks t@CðXVµÄÝèàeð½f³¹Ü·B
6. KØÈT[rXðÄn®·é©AܽÍVXeðÄN®µÜ·B
7. Q[gEFC}VÖÌÚ±ðeXg·é×ÉAÉL· ping R}h
ðsµÜ· - ping 192.168.0.1
(ܾ LAN ÌÚ±ðeXgµÄ¢é¾¯ÈÌÅALAN ÌOÖ ping ÍÅ
Äܹñ)B ping ÉuvªÈ¢êÉÍlbg[NÌÝèðmFµ
ľ³¢B
4.5. NCSA Telnet pbP[Wðgpµ½ DOS ÌÝè
1. 究ßlbg[NJ[hðCXg[µÄ¨«Ü·BCXg[
ÌèÉ¢ÄÍAlbg[NJ[hÌà¾ðQƵľ³¢B
2. KØÈpPbghCoðÇÝÝÜ·B½Æ¦ÎAI/O |[gª
300AIRQ ª 10 ÉÝè³êÄ¢é NE2000 Ethernet J[hðgp·éê
ÉÍAnwpd 0x60 10 0x300 Æ¢¤R}hðÀsµÜ·B
3. Vµ¢fBNgð쬵Apkunzip tel2308b.zip Æü굀 NCSA
Telnet pbP[WðWJµÜ·B
4. eLXgGfB^Å config.tel t@CðJ«Ü·B
5. config.tel t@CÌ myip=192.168.0.x(1 < x < 255),
netmask=255.255.255.0 ÆAeXÝèµÜ·B
6. ±±ÅÍAhardware=packetAinterrupt=10Aioaddr=60 ÆÝèµÜ·B
7. ÈÆàPäÌ}V(ÂÜèALinux zXg)ðQ[gEFCƵÄw
èµÄ¨Kvª èÜ·B
name=default
host=yourlinuxhostname yó: Linux zXg̼OðwèµÜ·Bz
hostip=192.168.0.1
gateway=1
8. ±±ÅAhCl[T[rXðwèµÜ·B
name=dns.domain.com ; hostip=123.123.123.123; nameserver=1
- DNS ̪ÍALinux zXgªgpµÄ¢é DNS ÌAhXÉu«·¦
ľ³¢B
9. config.tel t@CðÛ¶µÜ·B
10.
Linux }VÉ telnet µÄ(telnet 192.168.0.1)Albg[NÚ±ð
eXgµÜ·BLOGIN vvgª\¦³êÈ¢êÉÍAlbg[N
ÌÝèðmFµÄ¾³¢B
4.6. MacTCP Ì®ì·é MacOS x[XVXeÅÌÝè
1. ç©¶ß Ethernet A_v^ÌhCoðCXg[µÄ¨«Ü·B
CXg[ÌèÉ¢ÄÍAlbg[NJ[hÌà¾ðQƵÄ
¾³¢B
2. uMacTCP Rg[plvðJ«Ü·BKØÈlbg[NhC
o(EtherTalk ÅÍÈ Ethernet)ðIðµAuÚ×(More...)vðNb
NµÜ·B
3. uAhXÌæ¾:(Obtain Address:)vÅuè®üÍ(Manually)vðN
bNµÜ·B
4. uIP AhX:(IP Address:)vÌ|bvAbvj
[©çuN
XC(class C)vðIðµÜ·B±Ì_CAO{bNXÌ٩̪ÍA
»ÌÜÜɵĨ«Ü·B
5. uhCl[T[oîñ:(Domain Name Server Information:)vÉK
ØÈAhXðü͵ܷB
6. uQ[gEFCAhX:(Gateway Address:)vÉ 192.168.0.1 Æü͵
Ü·B
7. uOKvðNbNµÄÝèlðÛ¶µÜ·BuMacTCP Rg[pl
vÌCEBhEÉ éuIP AhX:(IP Address:)v{bNXÉ
Mac }VÌ IP AhX(192.168.0.x,1 < x < 255)ðü͵ܷB
8. uMacTCP Rg[plvð¶ܷBÄN®ð£·_CAO{b
NXª»ê½çAVXeðÄN®µÜ·B
9. ±Ì_ÅALinux }VÉ telnet µÄlbg[NÚ±ðeXg·é
±ÆàÅ«Ü·B MacTCP Watcher Æ¢¤t[EFAvOðgp
µÄ¢éêÉÍAuPingv{^ðNbNµÄA|bvAbvµ½_
CAO{bNXÉ Linux }VÌAhX(192.168.0.1)ðü͵Ü
·(ܾ LAN ÌÚ±ðeXgµÄ¢é¾¯ÈÌÅALAN ÌOÖ ping Í
ÅÄܹñ)Bping ðÅÁÄàuvªÈ¢êÉÍAlbg[NÌ
ÝèðmFµÄ¾³¢B
10.
VXetH_É Hosts t@Cð쬷êÎALAN àÌ}VðzX
g¼ÅQÆÅ«éæ¤ÉÈèÜ·B±Ìt@CÍA·ÅÉVXetH
_ÉpÓ³êĢܷB(RgAEg³ê½)TvGgªÜ
ÜêAÂXÌj[YÉí¹ÄC³Å«éæ¤ÉÈÁĢܷB
4.7. Open Transport Ì®ì·é MacOS x[XVXeÅÌÝè
1. ç©¶ß Ethernet A_v^ÌhCoðCXg[µÄµ¨«Ü
·BCXg[ÌèÉ¢ÄÍAlbg[NJ[hÌà¾ðQÆ
µÄ¾³¢B
2. uTCP/IP Rg[plvðJ¢ÄAuÒW(Edit)vj
[©ç
upÒ[h(User Mode...)vðIðµÜ·BpÒ[hªÈÆ
àuÚµ¢îñàwè(Advanced)vÉÝè³êÄ¢é±ÆðmFµA
uOKv{^ðNbNµÜ·B
3. ut@C(File)vj
[©çuÝè(Configurations...)vðIðµÜ
·BuȪÝè(Default)vðIðµAu¡»(Duplicate...)v{^ð
NbNµÜ·BuÝèÌ¡»(Duplicate Configuration)v_CAOÅ
uIP Masqv(àµÍAÁÊÈÝèÅ é±Æªª©éæ¤È¼O)ðüÍ
µÜ·B·éÆAuftHgRs[(Default copy)vÆ¢¤æ¤Èb
Z[Wª\¦³êÜ·BuOKv{^ðNbNµÄAuÏÝ(Make
Active)v{^ðNbNµÜ·B
4. uoRæ:(Connect via:)v|bvAbv©çuEthernetvðIðµÜ·B
5. uÝè:(Configure:)v|bvAbv©çKØÈÚðIðµÜ·BÇÌI
vVðIñÅ梩ª©çÈ¢êÉÍAæöƯ¶uȪÝ
è(Default)vðIðµAI¹µÄ¾³¢BÍuè®üÍ(Manually)v
ðIÑܵ½B
6. uIP AhX:(IP Address:)v{bNXÉ Mac Ì IP Ah
X(192.168.0.xA1< x < 255)ðü͵ܷB
7. uTulbg}XN:(Subnet mask:)v{bNXÉ 255.255.255.0 ÆüÍ
µÜ·B
8. u[^AhX:(Router address:)v{bNXÉ 192.168.0.1 Æü͵
Ü·B
9. ul[T[oAhX:(Name server addr.:)v{bNXÉhCl[
T[oÌ IP AhXðü͵ܷB
10.
uõpXÌwè:(Implicit Search Path:)vÅu©ªÌhC
¼(Starting domain name)v{bNXÉC^[lbghC̼O(½
ƦÎAmicrosoft.com)ðü͵ܷB
11.
ȺÌìÍAKvɶÄs¢Ü·Bs³Èlðwè·éÆA®ìªs
ÀèÉÈé±Æª èÜ·B檩çÈ¢êÉÍAuNA¢
`FbNAܽ͢IðÌÜÜɵĨûª¢¢©àµêܹñBtB
[hÉlªüͳêÄ¢éêÉÍA·×ÄíµÄ¾³¢Bí½µ
ÌméÀèATCP/IP _CAOÉÍAIðÏÝÌJX^ Hosts t@C
Ìgpð³ø»·éæ¤È@\ÍÈ¢æ¤Å·BൠêÎA¨³¦
¾³¢B
lbg[NÅ 802.3 t[^CvªKvƳêéêÉÍA
u802.3vÉ`FbNðüêÜ·B
12.
uIvV(Options...)v{^ðNbNµÄATCP/IP ðANeBu
ɵܷBí½µÍuKvÈƫɾ¯[h(Load only when needed)v
Æ¢¤IvVðgpµÄ¢Ü·B}Vðu[g¹¸É TCP/IP A
vP[VÌÀsÆI¹ð½xàJèÔ·æ¤Èg¢ûð·éêA
uKvÈƫɾ¯[h(Load only when needed)vIvVðgp·
êÎA}VÌÇÉηée¿ðh~ܽÍy¸Å«Ü·B±Ì
IvVÉ`FbNðüêÈ©Á½êATCP/IP vgRX^bN
ÍAK¸[h³êÄA¢ÂÅàgpÅ«éóÔÉÈèÜ·B±ÌIv
VÉ`FbNðüê½êATCP/IP X^bNÍKvÈÆ«É©®IÉ
[h³êAsvÉÈéÆA[h³êÜ·B±Ìæ¤È[hÆA
[hÌJèÔµÍAÌfлðÜË°êª èÜ·B
13.
±Ì_ÅALinux }VÉ ping ðÅÁÄlbg[NÚ±ðeXg·
é±ÆàÅ«Ü·BMacTCP Watcher Æ¢¤t[EFAvOðgp
µÄ¢éêÉÍAuPingv{^ðNbNµÄA|bvAbvµ½_
CAO{bNXÉ Linux }VÌAhX(192.168.0.1)ðü͵Ü
·(ܾ LAN ÌÚ±ðeXgµÄ¢é¾¯ÈÌÅALAN ÌOÖ ping Í
ÅÄܹñ)Bping ðÅÁÄàuvªÈ¢êÉÍAlbg[NÌ
ÝèðmFµÄ¾³¢B
14.
VXetH_É Hosts t@Cð쬷êÎALAN àÌ}VðzX
g¼ÅQÆÅ«éæ¤ÉÈèÜ·B±Ìt@CÍA·ÅÉVXetH
_ÉpÓ³êĢܷB(RgAEg³ê½)TvGgªÜ
ÜêAÂXÌj[YÉí¹ÄC³Å«éæ¤ÉÈÁĢܷB±Ìt@
CªVXetH_ÉÈ¢êÉÍAMacTCP Ì®ìµÄ¢éVXe
©çRs[·é±ÆàÅ«Ü·µA©ªÅ쬷é±ÆàÅ«Ü·(±Ì
t@CÍARFC952 ÉLq³êÄ¢é Unix Ì /etc/hosts t@CtH
[}bgɵ½àÌÅ·)Bt@Cð쬵½çAuTCP/IP Rg
[plvðJ«AuHosts t@CÌIð...(Select Hosts
File...)v{^ðNbNµÄ Hosts t@CðJ«Ü·B
15.
N[Y{^ðNbN·é©Aut@Cvj
[Ìu¶évÜ
½ÍuI¹vðIðµÄ©çuÛ¶v{^ðNbNµÄÏXàeðÛ
¶µÜ·B
16.
ÏXàeͽ¾¿É½f³êÜ·ªAVXeðu[gµÄà©Ü¢Ü
¹ñB
4.8. DNS ðgpµ½ Novell lbg[NÅÌÝè
1. ç©¶ß Ethernet A_v^ÉKØÈhCoðCXg[µÄ¨«
Ü·BCXg[ÌèÉ¢ÄÍAlbg[NJ[hÌà¾ðQ
Ƶľ³¢B
2. The Novell LanWorkPlace page
<ftp://ftp.novell.com/pub/updates/unixconn/lwp5> ©ç tcpip16.exe
ð_E[hµÜ·Byó: ãL URI ͳøÅ·BܽA
tcpip16.exe ͩ©èܹñŵ½BãíèÉA
<ftp://ftp.novell.com/pub/allupdates/tcp312.exe> Æ¢¤Ìͩ¯ç
êܵ½BAµA±êª±Ì¶ÅL³êéKvÈàÌÈÌ©Íí©èÜ
¹ñBz
3.
c:\nwclient\startnet.bat
SET NWLANGUAGE=ENGLISH
LH LSL.COM
LH KTC2000.COM
LH IPXODI.COM
LH tcpip
LH VLM.EXE
F:
4.
c:\nwclient\net.cfg
Link Driver KTC2000
Protocol IPX 0 ETHERNET_802.3
Frame ETHERNET_802.3
Frame Ethernet_II
FRAME Ethernet_802.2
NetWare DOS Requester
FIRST NETWORK DRIVE = F
USE DEFAULTS = OFF
VLM = CONN.VLM
VLM = IPXNCP.VLM
VLM = TRAN.VLM
VLM = SECURITY.VLM
VLM = NDS.VLM
VLM = BIND.VLM
VLM = NWP.VLM
VLM = FIO.VLM
VLM = GENERAL.VLM
VLM = REDIR.VLM
VLM = PRINT.VLM
VLM = NETX.VLM
Link Support
Buffers 8 1500
MemPool 4096
Protocol TCPIP
PATH SCRIPT C:\NET\SCRIPT
PATH PROFILE C:\NET\PROFILE
PATH LWP_CFG C:\NET\HSTACC
PATH TCP_CFG C:\NET\TCP
ip_address 192.168.0.xxx
ip_router 192.168.0.1
ãLÌuip_addressvtB[hÌ IP AhXðÏXµÄ(192.168.0.xA1 < x < 255)A c:\bin\resolv.cfg 𮬳¹Ü· -
SEARCH DNS HOSTS SEQUENTIAL
NAMESERVER xxx.xxx.xxx.xxx
NAMESERVER yyy.yyy.yyy.yyy
5. ÉAãLÌuNAMESERVERvGgðÒWµÄA[J DNS T[oÌ
³µ¢ IP AhXÉ«·¦Ü·B
6. Q[gEFC}VÖÌÚ±ðeXg·é×ÉAÉL· ping R}h
ðsµÜ· - ping 192.168.0.1
(ܾ LAN ÌÚ±ðeXgµÄ¢é¾¯ÈÌÅALAN ÌOÖ ping ÍÅ
Äܹñ)B ping ÉuvªÈ¢êÉÍlbg[NÌÝèðmFµ
ľ³¢B
4.9. OS/2 Warp ÅÌÝè
1. ç©¶ß Ethernet A_v^ÉKØÈhCoðCXg[µÄ¨«
Ü·BCXg[ÌèÉ¢ÄÍAlbg[NJ[hÌà¾ðQ
Ƶľ³¢B
2. ܾ TCP/IP vgRðCXg[µÄ¢È¢êÉÍACXg[
µÜ·B
3. uvO/TCP/IP (LAN) / TCP/IPv ÌÝèðJ«Ü·B
4. ulbg[NvÅ TCP/IP AhX(192.168.0.x)ðÇÁµAlbg}X
N(255.255.255.0)ðÝèµÜ·B
5. u[eBOvÅuÇÁvðNbNµÜ·Bu^CvvðuftH
g(default)vÉÝèµAu[^ÌAhX(Router Address)vtB[
hÉ Linux }VÌ IP AhX(192.168.0.1)ð^CvµÜ·B
6. uHostsvÌÉÍALinux zXgÅgpµÄ¢é DNS (l[T[o)Ì
AhXƯ¶AhXðü͵ܷB
7. uTCP/IP Rg[plvð¶ܷB»Ì ÆÉ»êé¿âÉÍA
·×Ä yes ƦĢ«Ü·B
8. VXeðu[gµÜ·B
9. Linux }VÉ ping µAlbg[NÌÝèðeXgµÜ·BuOS/2 R
}hvvgEBhEvÅ ping 192.168.0.1 Æü͵ܷB ping
pPbgªóM³êêÎA·×Ä OK Å·B
4.10. IBM AS/400 ÅÒ·é OS/400 ÅÌÝè
±ÌhL
gÅÍAAS/400 ÅÒ·é OS/400(o[W V4R1M0)ÅÌ
TCP/IP ÌÝèû@É¢Ä;yµÜ¹ñB
1) AS/400 ÅÊMÝèìÆðs¤ÉÍA[Uvt@CÉ *IOSYSCFG
(I/O System Configuration) Æ¢¤ÁÊÈ Àªè`³êĢȯêÎÈè
ܹñB[Uvt@CÌÝèàeÍADSPUSRPRF R}hÉæÁÄ
`FbNÅ«Ü·B
2) GO CFGTCP R}hð^CvµÄAuTCP/IP ÌÝèvj
[ðÄÑoµ
Ü·B
3) uIvV2(Option 2)vÌuTCP/IP [gÌÝè(Work with TCP/IP
Routes)vðIðµÜ·B
4) uOptvtB[hÉ 1 Æü͵Ä[gðÇÁµÜ·B * u[g
æ(Route Destination)vÉÍA*DFTROUTE Æ^CvµÜ·B * uTulbg
}XN(Subnet Mask)vÉÍA*NONE Æ^CvµÜ·B * uT[rXÌ^C
v(Type of Service)vÉÍA*NORMAL Æ^CvµÜ·B * uzbv(Nex
Hop)vÉÍAQ[gEFC(Linux }V)ÌAhXð^CvµÜ·B
4.11. »Ì¼ÌVXeÅÌÝè
¼ÌvbgtH[ÅàAå̯¶æ¤È¬êÅÝèªs¦é͸ŷBã
LÌeZNVðÇÝÔµÄÝè̬êðc¬µÄ¾³¢B±±Å¾yÅ
«È©Á½VXeÅÌÝèû@ð¢ÄÝæ¤Æv¤ûÍAÚ×ÈÝèè
ð ambrose@writeme.com yÑ dranch@trinnet.net ÜŨ辳¢B
5. IP }XJ[hÌeXg
³Äïµ¢ìÆàâÁÆIíèA¢æ¢æ IP }XJ[hÌ{iIÈeXg
ð·éªÜµ½BܾŠêÎ Linux {bNXðÄN®µÄ
/etc/rc.d/rc.firewall ª³íÉÀs³êé±ÆðmFµÜµå¤B»ÌmF
ªIÁ½çÍà LAN ÌÚ±ÆALinux zXg©çC^[lbgÖÌÚ
±ÌÇ¿çà³µ®ìµÄ¢é±ÆðmFµÄ¾³¢B
}XJ[hÌÝèªSijµsíêÄ¢é±ÆðmF·é½ßÉAȺÌ
10 XebvÌeXgðsÁľ³¢B
5.1. [J PC ÌÚ±eXg
o
o Xebv 1 - [J PC ÌÚ±eXg
}XJ[h³êÄ¢élbg[NÌàÌRs
[^ÅA©ªÌ
[J IP AhXÉ ping ðÅÁľ³¢ (ÂÜè ping
192.168.0.10 )B±ÌeXgÍ TCP/IP ª[JÌ PC ųµ®ìµ
Ä¢é±ÆðmFµÜ·BÅßÌÙÆñÇÌIy[eBOVXeÉ
ÍÅ©çping R}hª èÜ·B[JÌ IP AhXÖÌ ping
ª³íÉ®ìµÈ¢êA±Ì HOWTO ÅOqÌ ``NCAgÌÝè''
Åྵ½ÊèÉNCAg PC ãÅ TCP/IP ª³µÝè³êÄ¢é
©ðm©ßľ³¢BoÍÊÍȺÌæ¤ÉÈé͸ŷ(ping ð
~·éÉÍ Control-C ðµÄ¾³¢)B
___________________________________________________________________
masq-client# ping 192.168.0.10
PING 192.168.0.10 (192.168.0.10): 56 data bytes
64 bytes from 192.168.0.10: icmp_seq=0 ttl=255 time=0.8 ms
64 bytes from 192.168.0.10: icmp_seq=1 ttl=255 time=0.4 ms
64 bytes from 192.168.0.10: icmp_seq=2 ttl=255 time=0.4 ms
64 bytes from 192.168.0.10: icmp_seq=3 ttl=255 time=0.5 ms
--- 192.168.0.10 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.4/0.5/0.8 ms
___________________________________________________________________
5.2. Linux ÌàÚ±ÌeXg
o
o Xebv 2 - Linux ÌàÚ±ÌeXg
}XJ[hT[oÅAlbg[NC^[tF[XJ[hÌà IP
AhXÉ ping ðÅÁľ³¢ (ÂÜè ping 192.168.0.1)BoÍ
ÊÍȺÌæ¤ÉÈé͸ŷ(ping ð~·éÉÍ Control-C ðµÄ
¾³¢)B
___________________________________________________________________
masq-client# ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1): 56 data bytes
64 bytes from 192.168.0.1: icmp_seq=0 ttl=255 time=0.8 ms
64 bytes from 192.168.0.1: icmp_seq=1 ttl=255 time=0.4 ms
64 bytes from 192.168.0.1: icmp_seq=2 ttl=255 time=0.4 ms
64 bytes from 192.168.0.1: icmp_seq=3 ttl=255 time=0.5 ms
--- 192.168.0.1 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.4/0.5/0.8 ms
___________________________________________________________________
5.3. Linux ÌOÚ±ÌeXg
o
o Xebv 3 - Linux ÌOÚ±ÌeXg
ÉA}XJ[hET[oÌC^[lbgÉÚ±³ê½lbg[N
C^[tF[XJ[hÌO IPAhXÉ ping ðÅÁľ³¢B±
ÌAhXÍ PPPAC[TlbgÅ ISP ÉÚ±³ê½AhXÅ·B±
Ì IP AhXªí©çȯêÎAC^[lbgEAhXð²×é½
ßÉ}XJ[hET[oãÅLinuxR}h "/sbin/ifconfig" ðÀsµ
ľ³¢BoÍÊÍȺÌæ¤ÉÈé͸ŷ(eth0 Ì IP AhX
ð²×Ä¢éê)B
___________________________________________________________________
eth0 Link encap:Ethernet HWaddr 00:08:C7:A4:CC:5B
inet addr:12.13.14.15 Bcast:64.220.150.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:6108459 errors:0 dropped:0 overruns:0 frame:0
TX packets:5422798 errors:8 dropped:0 overruns:0 carrier:8
collisions:4675 txqueuelen:100
Interrupt:11 Base address:0xfcf0
___________________________________________________________________
²ÌÊèA±Ìáɨ¢ÄO IP AhXÍ "12.13.14.15" Å·B
"ifconfig" R}hðÀs·é±ÆÅ IP AhXªí©Á½ÌÅA±ÌO
IP AhXÉ ping ðÅ¿Ü·B±êÍ}XJ[hET[oªm©É
lbg[NÉÚ±µÄ¢é±Æðm©ßé±ÆÉÈèÜ·BoÍÊÍȺ
Ìæ¤ÉÈé͸ŷ (ping ð~·éÉÍ Control-C ðµÄ¾³
¢)B
______________________________________________________________________
masq-server# ping 12.13.14.15
PING 12.13.14.15 (12.13.14.15): 56 data bytes
64 bytes from 12.13.14.15: icmp_seq=0 ttl=255 time=0.8 ms
64 bytes from 12.13.14.15: icmp_seq=1 ttl=255 time=0.4 ms
64 bytes from 12.13.14.15: icmp_seq=2 ttl=255 time=0.4 ms
64 bytes from 12.13.14.15: icmp_seq=3 ttl=255 time=0.5 ms
--- 12.13.14.15 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.4/0.5/0.8 ms
______________________________________________________________________
൱êçÌeXgÌǿ穪®ìµÈ¢ÈçA³ÉßÁÄlbg[NÌ
P[uÚ±ðÄmFµA "dmesg" R}hðÀsµ½Æ«É}XJ[
hET[oÌ2ÂÌ NIC ª\¦³êé©mF·éKvª èÜ·B±ÌoÍ
ÊÌáÍ "dmesg" R}hÌoÍÌÅãÌÙ¤ªÈºÌæ¤ÉÈéŵå¤
-
______________________________________________________________________
.
.
PPP: version 2.3.7 (demand dialling)
TCP compression code copyright 1989 Regents of the University of California
PPP line discipline registered.
3c59x.c:v0.99H 11/17/98 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/
vortex.html
eth0: 3Com 3c905 Boomerang 100baseTx at 0xfe80, 00:60:08:a7:4e:0e, IRQ 9
8K word-wide RAM 3:5 Rx:Tx split, autoselect/MII interface.
MII transceiver found at address 24, status 786f.
Enabling bus-master transmits and whole-frame receives.
eth1: 3Com 3c905 Boomerang 100baseTx at 0xfd80, 00:60:97:92:69:f8, IRQ 9
8K word-wide RAM 3:5 Rx:Tx split, autoselect/MII interface.
MII transceiver found at address 24, status 7849.
Enabling bus-master transmits and whole-frame receives.
Partition check:
sda: sda1 sda2 < sda5 sda6 sda7 sda8 >
sdb:
.
.
______________________________________________________________________
ܽA ¨g¢Ì Linux fBXgr
[VÅÌ NIC ÌÝèªA±Ì
HOWTO ÌOÌ٤ŧµÄ¢éÊèɳµÝè³êÄ¢é©mF·é±Æ
ðYêȢž³¢B
5.4. [J PC ©ç Linux ÖÌÚ±eXg
o
o Xebv 4 - [J PC ©ç Linux ÖÌÚ±eXg
}XJ[h³êÄ¢élbg[NàÌRs
[^©çA}XJ
[hµÄ¢é Linux {bNXÌàlbg[NÌC[TlbgEJ[h
Ì IP AhXÉ ping ðÅ¿Ü·(ÂÜè ping 192.168.0.1)B±êÍA
àlbg[NyÑ[eBOª³µ¢±ÆðصܷBoÍÊ
ÍȺÌæ¤ÉÈé͸ŷ(ping ð~·éÉÍ Control-C ðµÄ
¾³¢)B
___________________________________________________________________
masq-client# ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1): 56 data bytes
64 bytes from 192.168.0.1: icmp_seq=0 ttl=255 time=0.8 ms
64 bytes from 192.168.0.1: icmp_seq=1 ttl=255 time=0.4 ms
64 bytes from 192.168.0.1: icmp_seq=2 ttl=255 time=0.4 ms
64 bytes from 192.168.0.1: icmp_seq=3 ttl=255 time=0.5 ms
--- 192.168.0.1 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.4/0.5/0.8 ms
___________________________________________________________________
൤ܢ©È¢ÌÈçA}XJ[hET[oyÑNCAgER
s
[^ÌC[TlbgEJ[hÌ "link" vª_µÄ¢é±Æðm©
ßľ³¢BêÊIÉÍeC[TlbgEJ[hÌãÉ é LED Ænu
âXCb`ðgpµÄ¢éêÍ»Ì LED ª_µÜ·Bàµ_µÄ¢È
¢ÈçÎA}XJ[h³êÄ¢élbg[NÌàÌRs
[^ª
``NCAgÌÝè'' ÌÍÅྵ½æ¤É³µÝè³êÄ¢é±Æð
m©ßľ³¢B}XJ[h³êÄ¢éNCAgÉâ誳¯êÎA
lbg[NEP[uÌzüðÄmFµA}XJ[h³êÄ¢éNCA
gERs
[^Ì NIC Æ Linux {bNXÌà NIC ̼ûÌ LINK
Cgª_µÄ¢é±ÆðmFµÄ¾³¢B
5.5. à}XJ[hÌ ICMP ]ÌeXg
o
o Xebv 5 - à}XJ[hÌ ICMP ]ÌeXg
}XJ[h³êÄ¢élbg[NàÌRs
[^©çAãLX
ebv 3 žçê½}XJ[hET[oÌO IP AhXÉ ping ð
ÅÁľ³¢B±ÌAhXÍ PPPAC[TlbgÅ ISP ÉÚ±³ê
½AhXÅ·B±Ì ping ÍA}XJ[hª®ì·é±ÆðeXgµ
Ü·(ÁÉ ICMP Í}XJ[h³êĢܷ)B
൤ܢ©È¢êAܸ}XJ[h³êÄ¢éNCAg PC
ÌftHgEQ[gEFCª}XJ[hET[oÌà NIC Ì IP A
hXð³µwµÄ¢é©m©ßľ³¢Bܽ
/etc/rc.d/rc.firewall ÌXNvgªG[³µÉé±ÆðÄmFµ
ľ³¢BeXgÌ½ß /etc/rc.d/rc.firewall ÌXNvgðÄx
ç¹ÄÝÄA»êªé©Ç¤©©Ä¾³¢BܽÙÆñÇÌJ[l
ÍftHgÅLøÉÈÁĢܷªAJ[lERtBM
[V
ÌÌ "ICMP Masquerading" Æ /etc/rc.d/rc.firewall XNvgÌ
Ì "IP Forwarding" ðLøɵĢé±Æðm©ßľ³¢B
»êÅàܾ¤Ü®ìµÈ¢ÈçALinux }XJ[hET[oãÅ
ÌR}hðç¹Ä»ÌoÍÊð©Ä¾³¢ -
o
o "ifconfig" - C^[lbgÉÚ±³êÄ¢éC^[tF[X
ippp0 â eth0 ÈÇjª³µ®ìµÄ¢ÄA³µ¢C^[lbg
Ú±Ì IP AhXª¾çêÄ¢é±ÆðmFµÜ·B±ÌoÍÊÌ
êáÍãLXebv3ÌŦ³êĢܷB
o "netstat -rn" - ftHgEQ[gEFC (Gateway ÌñÌÉ é
IP AhXðÂñ) ªÝè³êÄ¢é±ÆðmFµÄ¾³¢B±
ÌoÍÊÌêáÍȺÌæ¤ÉÈèÜ·B
________________________________________________________________
masq-server# netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.0.1 0.0.0.0 255.255.255.255 UH 0 16384 0 eth1
12.13.14.15 0.0.0.0 255.255.255.255 UH 0 16384 0 eth0
12.13.14.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 16384 0 lo
0.0.0.0 12.13.14.1 0.0.0.0 UG 0 16384 0 eth0
________________________________________________________________
0.0.0.0 ÅnÜÁÄ¢éÅãÌsÉڵľ³¢B»Ì Gateway tB
[hÉ IP AhXª èÜ·ËB»ÌtB[hÌÉÝèµ½ IP
AhXª©¦È¯êÎÈèܹñB
o "cat /proc/sys/net/ipv4/ip_forward" - »Ìʪ "1" ÉÈÁÄ¢
é±ÆðmFµÄ¾³¢B»¤ÈÁÄ¢êÎ Linux ÌtH[fB
OÍLøÆÈÁĢܷB
o 2.2.x [UÈç "/sbin/ipchains -n -L" Æ¢¤R}hðA½Í
2.0.x [UÈç "/sbin/ipfwadm -F -l" Æ¢¤R}hðÀsµÄ
Ýľ³¢BÁÉtH[fBOÌÍð²×ÄA Ƚª}XJ
[hðLøɵĢé©mFµÄ¾³¢BPÈ rc.firewall [
ZbgðgÁ½[U[ÌêA IPCHAINS ÌoÍÊÌêáÍȺ
Ìæ¤ÉÈéŵå¤B
________________________________________________________________
.
.
Chain forward (policy REJECT):
target prot opt source destination ports
MASQ all ------ 192.168.0.0/24 0.0.0.0/0 n/a
ACCEPT all ----l- 0.0.0.0/0 0.0.0.0/0 n/a
.
.
________________________________________________________________
5.6. }XJ[h³ê½ ICMP ÌO]ÌeXg
o Xebv 6 - }XJ[h³ê½ ICMP ÌO]ÌeXg
}XJ[h³êÄ¢élbg[NàÌRs
[^©çAC^[
lbgãÌOÌÅè TCP/IP AhXÉ뵀 ping ðÅ¿Ü·(ÂÜè
ping 152.19.254.81 ±êÍ http://metalab.unc.edu - MetaLabs Linux
Archive Ì home Å·)B±êª®ì·éêAICMP }XJ[fBO
ªC^[lbgãÅ®ìµÄ¢é±ÆðÓ¡µÜ·B൤ܢ©È
©Á½êAÄxC^[lbgÚ±ð`FbNµÄ¾³¢B»êÅà
ܾ®ìµÄêÈ¢êAPÈ rc.firewall [ZbgðgpµÄ
¢é©Aܽ Linux J[lÅ ICMP Masqurading ðLøɵÄRpC
µÄ¢é±Æðm©ßľ³¢Bܽ[ZbgÌÅ enable IP
MASQ ª³µ¢OC^[tF[XðwµÄ¢é±Æðmßľ³¢B
5.7. DNS ðgíÈ¢}XJ[h@\ÌeXg
o
o Xebv 7 - DNS ðgíÈ¢}XJ[h@\ÌeXg
³ÄuÌ IP AhXÖÌ TELNET ðsÁÄÝľ³¢(·Èí¿
telnet 152.2.254.81) (metalab.unc.edu - ±ÌT[o[Í·²Zµ¢
ÌÅOCvvgª»êéÜÅÔª©©é©àµêܹñ)B µ
ÎçµÄOCEvvgª»êܵ½©B »ê½ÈçATCP Ì}
XJ[hͤܮìµÄ¢Ü·BൻêȯêÎA198.182.196.55
(www.linux.org) Ìæ¤È TELNET ªg¦»¤È¼Ì¢Â©ÌzXgÖ
TELNET ðµÄÝľ³¢B ±êªÈ¨©È¢êA¡ÌƱë
simple rc.firewall [ZbgðgpµÄ¢é±Æðm©ßľ³
¢B±ÌoÍÊÌêáÍȺÌæ¤ÉÈéŵå¤(TELNET ©ç²¯é
ÉÍ Control-D ðµÄ¾³¢)B
___________________________________________________________________
masq-client# telnet 152.2.254.81
Trying 152.2.254.81...
Connected to 152.2.254.81.
Escape character is '^]'.
SunOS 5.7
******************** Welcome to MetaLab.unc.edu *******************
To login to MetaLab as a user, connect to login.metalab.unc.edu.
This machine allows no public telnet logins.
login: Connection closed by foreign host.
___________________________________________________________________
5.8. DNS ðgÁ½}XJ[h@\ÌeXg
o Xebv 8 - DNS ðgÁ½ MASQ @\ÌeXg
»êÅÍAuÌ HOSTNAME ÖÌ TELNET ðÝľ³¢ (á¦ÎA
"telnet metalab.unc.edu" (152.2.254.81))B±êª®ì·éÈçADNS
à¤Ü®ìµÄ¢é±ÆðÓ¡µÜ·BàµXebv 6 ª®ìµ½ÌÉ
±êª®ìµÈ©Á½êA}XJ[h³êÄ¢éNCAgER
s
[^Ì DNS T[oÝèª ``NCAgÌÝè'' ÌÍÅྵ½æ
¤É³µÝè³êÄ¢é±Æðm©ßľ³¢B
5.9. DNS ðgÁ½}XJ[h@\ÌÇÁeXg
o
o Xebv 9 - DNS ðgÁ½}XJ[h@\ÌÇÁeXg
ÅãÌeXgƵÄA}XJ[h³êÄ¢éNCAgE}VÌ 1
©ç¢Â©Ì 'C^[lbg' WWW TCgðuEYµÄÝľ
³¢B»µÄA»êçÉANZXÅ«é©Ç¤©©Ä¾³¢Bá¦
ÎALinux Documentation Project site ÖANZXµÄÝľ³¢Bà
µ±êªÅ«éÈçA·×Ī¤Ü®ìµÄ¢é!Æl¦çêÜ·Bàµ
¼ÌTCgÅÍâ誳¢ÌÉA¢Â©ÌTCgÉâèª éêAÈ
ºÌXebvÉ éðôð©Ä¾³¢B
àµA Linux Documentation Project Ìz[y[Wª©¦½Èç¨ßÅ
Ƥ! ¤Ü¢«Üµ½Ë! àµA»Ì WWW TCgª³µ©çêéÈ
çA PING, TELNET, SSH âAÖA·é IP }XJ[hEW
[ª
[h³ê½ FTP, Real Audio, IRC DCCs, Quake I/II/III, CuSeeme,
VDOLive ÈÇA¼ÌWIÈlbg[NÚ±ÍSĤܮì·é͸
Å·BàµAFTP, IRC, RealAudio, Quake I/II/III ª®ìµÈ¢©A
é¢Í®ìªs®SÈçÎA "lsmod" ðÀsµÄA»êçÉKvÈ}X
J[hEW
[ª[h³êÄ¢é±Æðm©ßľ³¢BÜ
½AftHgÅÍgÝÜêÈ¢T[rXÉKvÈ|[gÌW
[
ð[hµÄ¢é©ðmFµÄ¾³¢BàµKvÈW
[ª©Â©
çȯêÎA È½Ì /etc/rc.d/rc.firewall XNvgª»êçÌ
W
[ð[hµÄ¢é±Æðm©ßľ³¢ (ÂÜèAIP }XJ
[hEW
[ðgÝÞ½ßÉ # ̶ðíµÜ·)B
5.10. »Ì¼Ì@\A«\ÉÖ·é
o Xebv 10 - »Ì¼Ì@\A«\ÉÖ·é
àµA ȽÌVXeª±êçSÄÌeXgÉiµ½ÌÉA WWW u
EWOâ FTP ܽͼÌ^CvÌgtBbNªsÀèÅ êÎA7 Í
Ì FAQ ÌÉ é ``MTU âè'' ðÇÞ±Æð¨§ßµÜ·B FAQ Ì
ÉÍA¢ÜÜŽÌ[U[ÌðɧÁ½æ¤ÉA ȽÌðɧÂ
Úª«ÁÆ é±Æŵå¤B
6. IP }XJ[hÉÖAµ½»Ì¼ÌÚÆ\tgEGAT|[g
6.1. IP }XJ[hÉÖWµ½âè
TCP/IP ðgÁ½AvP[VvgR̤¿ÌêÉÍA»ÝÌ
Linux Ì IP }XJ[fBOÅT|[g³êĢȢàÌà èÜ·BÆ
¢¤ÌàA±êçÍÃṲ̀¿ÉÁèÌ|[gÔðgÁÄ¢½èA é¢Í
»êçÌf[^Xg[ÉA TCP/IP AhXâ|[gÔðûµÄ
dñÅ¢½è·é©çÅ·BãÒÌvgR𮩷½ßÉÍÁÊÈv
LV© IP MASQ W
[ð}XJ[fBOÌR[hÉdÞKvª
èÜ·B
6.2. O©çüÁÄéT[rX
ftHgÅ͢©ÌáOð̼¢ÄALinux IP }XJ[fBOÅ
ÍO©çüÁÄéT[rXðæ赤±ÆªÅ«Ü¹ñB
àµA¢xÅZL
eBðmÛ·éKvªÈ¢ÈçAPÉ IP Æ|
[gðtH[hÈè_CNg·êηÞŵå¤Bâèûͽ³ñ
èÜ·ªAÅàÀèµÄ¢éÌÍ IPPORTFW ðgÁ½â詽ŵå¤BÚ×
ÍA ``tH[_ (|[g]c[)'' ÌÍðQƵľ³¢B
àµAO©çüÁÄéڱɽç©ÌFØðÝèµ½¢ÈçATCP-
wrapper © Xinetd ðÝèµÄÁèÌ IP AhX©çÌÝÌÚ±ð·±Æ
ªÅ«Ü·BTIS Firewall Toolkit Íc[âîñðüè·éÌÉæ¢ê
ŵå¤B
æèÚ×ÈZL
eBîñÉ¢ÄÍATrinityOS
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> Æ IP }XJ[hÌîñ¹©ç©Â¯é±ÆªÅ«
Ü·B
6.3. T|[gµÄ¢éNCAg\tgEGAƻ̼ÌÝèîñ
**Linux Masquerade Application list <http://www.tsmser-
vices.com/masq> ÉÍAAvP[VðLinux Ì IP }XJ
[fBOðʶĮ©·½ß̽ÌîñªfÚ³êĢܷB
±ÌTCgÍÅßÉÈÁÄASteve Srevemeyer ÉæÁÄf[^x
[XobNGhÅ®ì·éæ¤É«üßçêܵ½Bf°çµ
¢îñ¹Å·I
êÊIÉAWIÈ TCP yÑ UDP ðgÁ½AvP[VÅ êήìµ
Ü·BàµAqgâAhoCXª éÈçAÚ×É¢ÄÍ IP }XJ
[hÌîñ¹ <http://ipmasq.cjb.net/> ðQƵľ³¢B
6.3.1. IP }XJ[hÅ®ì·élbg[NNCAg
êÊIÈNCAg -
Archie
IP }XJ[hªT|[gÏÝÌSÄÌvbgtH[Å®ì·
éAt@CTõNCAg (AµASÄÌ archie NCAgª
®ì·éí¯ÅÍÈ¢)B
FTP
FTP ڱɢÄÍAip_masq_ftp.o J[lW
[ðg¤±Æ
ÅASÄÌT|[gÏÝvbgtH[ãÅ®ì·éB
yó: NAT «Ìê (marked forward ¹p) ÅÍA
ip_masq_ftp ª®ìµÈ¢±ÆªmF³êĢܷB ftp NCA
gðpbVu (PASV) [hÅN®·êÎA ip_masq_ftp.o ªÈÄ
àåTÌ ftp T[oÖÌÚ±ªÂ\Å·B PASV [hÌÚ×É¢
ÄÍAá¦Î <http://www.rtpro.yamaha.co.jp/RT/FAQ/TCPIP/ftp-
passive-mode.html> ÓèªQlÉÈé©Æv¢Ü·Bz
Gopher NCAg
SÄÌT|[gÏÝvbgtH[Å®ì·éB
HTTP
SÄÌT|[gÏÝvbgtH[Å®ì·éAWebT[tBB
IRC
íXÌT|[gÏÝvbgtH[Å®ì·éBȨA DCC Í
ip_masq_irc.o W
[ð±ü·êήì·éB
yó: DCC É¢ÄÍA ``Linux 2.2.x J[l'' ÌóðQƵ
ľ³¢Bz
NNTP (USENET)
SÄÌT|[gÏÝvbgtH[Å®ì·éA USENET j
[XN
CAgB
PING
J[lIvVÌ ICMP }XJ[hðLøÉ·é±ÆÅASÄÌ
vbgtH[ãÅ®ì·éB
POP3
·×ÄÌvbgtH[Å®ì·éAdq[NCAg
SSH
SÄÌT|[gÏÝvbgtH[Å®ì·éAÀSÈ TELNET/FTP
NCAgB
SMTP
SÄÌT|[gÏÝvbgtH[Å®ì·éA sendmail, qmail,
PostFix Ì[T[oB
TELNET
SÄÌT|[gÏÝvbgtH[Å®ì·éA[gZbV
B
TRACEROUTE
UNIX Æ Windows vbgtH[Åñ³êÄ¢éªA¢Â©Ì
íÍ®©È¢©àµêÈ¢B
VRML
Windows ( é¢Í±êÈOÌT|[gÏÝvbgtH[) ÉÄ®
ì·éAuo[`EAeByó: ¼z»ÀzvZpÉæé
Web T[tBB
WAIS NCAg
SÄÌT|[gÏÝvbgtH[Å®ì·éB
}`fBA yÑ ÊMNCAg -
SÄÌ H.323 vO
- MS Netmeeting, Intel Internet Phone Beta yÑ»Ì¼Ì H.323 A
vP[V - ±êçÉ¢ÄÍA IP }XJ[hðoRµ½Ú
±Å®©·½ßÌû@ª¡ÌƱëQ¶ݵܷ -
2.2.x J[lÅ Microsoft Netmeeting v3.x𮩷½ßÌÀèµÄ
®ì·éx[^ÅW
[ª IP }XJ[hÌîñ¹Ü½Í
http://www.coritel.it/projects/sofia/nat.html
<http://www.coritel.it/projects/sofia/nat.html> É èÜ·B±ê
çÍܽÊÈo[WƵÄANetmeeting 2.x ð 2.0.x J[lÅ
®©·½ßÌW
[ªæÌ MASQ WWW TCgÉ èÜ·ª±êÍ
Netmeeting v3.x ÍT|[gµÄ¢Ü¹ñB
¤p\tgÉæéÊÌðû@ƵÄÍA Equivalence Ì PhonePatch
<http://www.equival.com.au/phonepatch/index.html> Éæé H.323
Q[gEFCª èÜ·B
Alpha Worlds
Windows Å®ì·é NCAgET[oû®Ì 3D `bgvO
CU-SeeMe
SÄÌT|[gÏÝvbgtH[Å®ìµÜ·ªA
ip_masq_cuseeme ðgÝޱƪKvÅ·BÚ×É¢ÄÍ ``'' Ì
ÍðQƵľ³¢B
ICQ
ñ³ê½·×ÄÌvbgtH[Å®ìB Linux J[lð
IPPORTFW T|[gðLøɵÄRpCµA ICQ ©gÍ ñ SOCKS
vLVÌàÅ®ì·éæ¤ÉÝèµÈ¯êÎÈèܹñBÝèÌS
Ú×É¢ÄÍ ``'' ÌÍðQƵľ³¢B
Internet Phone 3.2
Windows Å®ì·é sAEc[EsA̹ºÉæéÊMðÂ\Æ·é
àÌÅ·B Ƚ̤©çèðÄÑo¹ÎÊbªÅ«Ü·ªA¼Ìû
ª ȽðÄÑo·ÉÍÁèÌ|[gÉηé]ðÝèµÈ¯êÎÈ
èܹñBÚ×É¢ÄÍ ``tH[_ (|[g]c[)'' ÌÍ
ðQƵľ³¢B
Internet Wave Player
Windows Å®ì·éAlbg[NEXg[EI[fBIEvO
Powwow
Windows Å®ì·éAsAEc[EsA^Cv̶ƹºð¹pÅ«
éuzCg{[hvÊMvOÅ·B Ƚ̤©çèðÄÑ
o¹ÎÊbªÅ«Ü·ªA¼Ìûª ȽðÄÑo·ÉÍÁèÌ|[g
Éηé]ðÝèµÈ¯êÎÈèܹñBÚ×É¢ÄÍ ``tH
[_ (|[g]c[)'' ÌÍðQƵľ³¢B
Real Audio Player
Windows Å®ì·éAlbg[NEXg[~OEI[fBIEv
OÅ·B ip_masq_raudio UDP W
[ðg¦ÎAiÊÌÄ
¶ªÂ\Å·B
True Speech Player 1.1b
Windows Å®ì·éXg[~OEI[fBIEvOÅ·B
VDOLive
Windows Å®ìµÜ·B ip_masq_vdolive W
[ðg¦ÎÂ\Å
·B
yó: ´¶Í ip_masq_vdolive patch ÆÈÁĢܷªAÀÛÍ
W
[Å·Bz
Worlds Chat 0.9a
Windows Å®ì·éANCAgET[oû®Ì 3D `bgvO
Å·B
lbg[NÎQ[ÌÞ - LooseUDP pb`É¢ÄÌÚ×Í ``'' ÌÍ
ðQƵľ³¢B
Battle.net
Q[}VÉεÄA TCP |[g 116 Æ 118AXÉ UDP |[g
6112 ð IPPORTFW ÉÄLøÉ·é±ÆÅ®ìµÜ·BÚ×Í ``tH
[_ (|[g]c[)'' ÌÍðQƵľ³¢B FSGS Æ Bnetd
T[oÍܾ NAT «Ťܮæ¤É«¼³êĢܹñÌ
ÅA IPPORTFW ªKvÆÈé±ÆÉӵľ³¢B
yó: FSGS (Free Standard Game Server) ÍAuU[hлÌQ
[\tgðlbg[NÎíÉgp·é battle.net ðå÷éT
[o\tgEFAÅ·BÚ×ÍA Net-Games ...are you ready to
play? <http://www.fsgs.com/> yÑ B-Ring <http://b-
ring.acc.ne.jp/> ðQƵľ³¢BȨAóÒªmFµ½ÀèÅ
ÍA B-Ring web TCgÌgbvy[WÉANZX·éÉÍA
ipchains Å tcp |[g 11000 Ôð REJECT ÉÝèµÈ¯êÎÈèÜ
¹ñŵ½B bnetd ÍA Starcraft Battle.net server ÌG~
[
^ÅA GPL É]Á½\[Xª©RÉüèū龯ÅÈA Linux,
Irix ÌoCiàzz³êĢܷBÚ×ÍA
<http://www.bnetd.org/> ðQƵľ³¢Bz
BattleZone 1.4
LooseUDP pb`yÑ NAT «Åà¤Ü® .DLLs from Activision
ªKvÅ·B
Dark Reign 1.4
LooseUDP pb`ðKp·é©AܽÍQ[}VÉεÄTCP |[
g 116Æ118 AXÉ UDP |[g 6112 É뵀 IPPORTFW ðLøÉ·
é±ÆªKvÅ·BÚ×É¢ÄÍ ``tH[_ (|[g]c[
)'' ðQƵľ³¢B
Diablo
LooseUDP pb`Ü½Í Q[}VÉ뵀 TCP |[g 116Æ118A
XÉ UDP |[g 6112 É뵀 IPPORTFW ðLøÉ·é±ÆªKvÅ
·BVµ¢o[WÅÍ TCP |[g 6112 Æ UDP |[g 6112 ¾¯
ªgíêĢܷBÚ×É¢ÄÍA ``tH[_ (|[g]c[
)'' ÌÍðQƵľ³¢B
Heavy Gear 2
LooseUDP pb`Ü½Í Q[}VÉ뵀 TCP |[g 116Æ118A
XÉ UDP |[g 6112 É뵀 IPPORTFW ðLøÉ·é±ÆªKvÅ
·BÚ×É¢ÄÍ ``tH[_ (|[g]c[)'' ðQƵÄ
¾³¢B
Quake I/II/III
»ÌÜÜÅà®ìµÜ·ªAMASQ ³ê½ linux {bNXæèà¤Ì
lbg[NÉ¡Ì Quake I/II/III vC[ªéêÍA
ip_masq_quake ðg¤±ÆªKvÆÈèÜ·BܽA±ÌW
[Í
ftHgÅÍ Quake I Æ QuakeWorld ðT|[g·éæ¤Éµ©
ÈÁĢܹñBàµAQuake II È~âA é¢ÍftHgÅÍÈ
¢T[oÌ|[gÔðg¤Kvª éÈçA``'' â ``'' [
ZbgÌW
[ÌgÝÝÌÍðQƵľ³¢B
StarCraft
LooseUDP pb`Æ àÌQ[}VÉηé TCP Æ UDP |[g
6112 ð IPPORTFW µÄâéKvª èÜ·BÚ×É¢ÄÍA ``tH
[_ (|[g]c[)'' ðQƵľ³¢B
WorldCraft
LooseUDP pb`ðg¦Î®ìµÜ·B
»Ì¼ÌNCAg -
Linux net-acct pbP[W
LinuxÅ®ì·élbg[NÇAJEgEpbP[W
NCSA Telnet 2.3.08
DOSÅ®ì·é telnet, ftp, ping ÈÇðÜÞ\tgEGAZbg
PC-anywhere for Windows
MS-Windows Å®ì·éATCP/IP vgRðʶÄAunÉ é
PC ðì·é½ßÌvOBNCAgÅÍÈzXgƵÄ
®ì³¹éêÍAÁÊÈ|[gEtH[fBOÝèªÈ¯êή
ìµÜ¹ñBÚ×É¢ÄÍA ``tH[_ (|[g]c[)''
ÌÍðQƵľ³¢B
Socket Watch
NTP(lbg[NoŖävgR)ð©ÁÄ¢é
6.3.2. IP }XJ[hÅ®SÉÍT|[g³êĢȢàÌ -
Intel Streaming Media Viewer Beta 1
T[oÉڱūȢ
Netscape CoolTalk
ÊbèÉڱūȢ
WebPhone
¡ÌƱë®ìµÄ¢È¢(èÌwèû@ÉsKØÈOñðp¢Ä¢
é)
6.4. æèÍÈ IP t@CAEI[ (IPFWADM) [Zbg
±ÌÍÅÍAJ[l 2.0.x Ìt@CAEH[Ec[Å é IPFWADM ð
g¤ÛÌAæèÚ×ÈKChð¦µÜ·B IPCHAINS Ì[ZbgÉ¢Ä
ÍãqµÜ·B
±ÌáÍAÅèIÉAhXª^¦çêéæ¤È PPP Ú±ÌwãÉ ét@
CAEI[Æ}XJ[hÅ· (®IÉAhXª^¦çêé PPP Ìgp
@É¢ÄÍAÜÜêÄܷ͢ª³øɵĢܷ)BMÅ«éC^
tF[XÍ 192.168.0.1 Å èA PPP C^[tF[XÌAhXÍu«¢
zçv©ççé½ßÉÏX³êĢܷBoüè»ê¼êÌC^tF[XÍ
»ê¼êÊÉXgµÄ¢Ü·ªA±êÍ[eBOâ}XJ[hðí©
èâ··éÈOÉIP Xv[tBOyó: UzâAs³È[eB
Oðoµâ··é½ßÌàÌÅà èÜ·B¾mɳêĢȢàÌ
ÍÖ~Å· (ÀÛÉÍÛ³êÜ·)BàµA È½Ì IP }XJ[h BOX
ªA±Ì rc.firewall XNvgðüê½ ÆÅÜÆàÉ®©ÈÈÁ½Æ
µ½çA /var/log/messages é¢Í /var/adm/messages É é SYSLOG
t@Cɽ©t@CAEI[ÖWÌG[ªÈ¢©mFµÄAÝèªÔ
áÁĢȢ©ðm©ßľ³¢B
PPPâP[ufÈÇðgÁ½AIPFWADM ÉæéàÁÆÅÈ IP }XJ
[hÌÀpIÈáÉ¢ÄÍ TrinityOS - Section 10
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> â GreatCircle's Firewall WWW page ðQƵÄ
¾³¢B
Ó - àµA TCP/IP AhXª PPP, ADSL, P[ufÈÇðoRµ
Ä ISP ©ç®IÉèÄçêéêÉÍA±ÌÅÈ[ZbgðN®
ÉÝè·é±ÆÍūܹñB±Ìæ¤ÈêÉÍA IP AhXªè
ÄçêéxɱÌt@CAEI[E[ZbgðÄxÇÝܹé©A
é¢Í /ec/rc.d/rc.firewall [ZbgðàÁÆCeWFgÉìé
Kvª èÜ·B PPP[Uª±Ì[ZbgðKp·éêÉÍAÈ~É
¦· "Dynamic PPP IP fetch" Ʃ꽪ÌRgðÓ[KØÉO
µÄ¾³¢BܽAÅÈ[ZbgyÑ®IÉèÄçêé IP Ah
XÉ¢ÄÌàÁÆÚµ¢ðàÍATrinityOS - 10Í
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> É èÜ·B
ܽAGUI x[XÅt@CAEI[Ýè𶬷éæ¤Èc[ª¢Â©
¶ÝµÜ·BÚ×ÍA ``æ é¿â (FAQ)'' ÌÍðQƵľ³¢B
ÅãÉAàµÃIÉèÄçêé IP AhXðgÁÄ¢éÈçAȺÌá
Ì "ppp_ip="your.static.PPP.address"" ÆÈÁÄ¢éªð È½Ì IP A
hXÉ«·¦Ä¾³¢B
yó: êÊIÈvoC_oRÌ PPP Ú±ÌêAvoC_¤©ç IP
AhXª®IÉèÄçêÜ·ÌÅAwÇÌÂl[UͱÌsÉ IP A
hXð«üêéKvÍ èܹñBz
----------------------------------------------------------------
#!/bin/sh
#
# /etc/rc.d/rc.firewall: IPFWADM ðgÁ½ââÅÈt@CAEI[E[Zbg
#
PATH=/sbin:/bin:/usr/sbin:/usr/bin
# eXgp - µÎçÒ@µÄ©ç·×ÄÌt@CAEI[[ðNA·éB
# 10ªãÉ·×ÄÌÝèðêUð·éKvª éÈçAȺÌRgððµÄ¾³¢B
# (sleep 600; \
# ipfwadm -I -f; \
# ipfwadm -I -p accept; \
# ipfwadm -O -f; \
# ipfwadm -O -p accept; \
# ipfwadm -F -f; \
# ipfwadm -F -p accept; \
# ) &
# KvÈ·×ÄÌ IP }XJ[hW
[ð[h·é
#
# Ó - KvÈ IP }XJ[hW
[¾¯ð[hµÜ·B·×ÄÌIP }XJ[h
# W
[ªÈºÉLq³êĢܷªA[h³êÈ¢æ¤ÉRgÆÈÁÄ
# ¢Ü·B
# W
[ðÅÉ[h·éÉܸKv
#
/sbin/depmod -a
# PORT û®ðgÁÄFTP t@C]ɨ¯éKØÈ IP }XJ[hðñµÜ·
#
/sbin/modprobe ip_masq_ftp
# UDP vgRðoRµ½ARealAudio Ì}XJ[hðñµÜ·B±ÌW
[ªÈÄà
# RealAudio Í TCP [hÅ®ìµÜ·ªA¹¿ÍẵܷB
#
#/sbin/modprobe ip_masq_raudio
# IRC DCC t@C]Ì}XJ[hðñµÜ·
#
#/sbin/modprobe ip_masq_irc
# ȺÌwèÉæÁÄ Quake Æ QuakeWorld ðftHgÅñµÜ·B
# ±ÌW
[Í Linux Ì }XJ[hT[o©çà¤Ì[Uª
# ¡¶Ý·éê̽ßÌàÌÅ·B
# àµAQuake I, II, é¢Í III ðg¢½¢ÈçÎAQÔÚÌáð
# gÁľ³¢B
#
# Ó - àµAQUAKE W
[Ì[hÉG[ªo½êÍAâoOÌ éJ[lª®¢Ä¢Ü·B
# ----- »ÌêÍæèVµ¢J[lÉu«·¦Ä¾³¢B
#
#Quake I / QuakeWorld (ports 26000 and 27000)
#/sbin/modprobe ip_masq_quake
#
#Quake I/II/III / QuakeWorld (ports 26000, 27000, 27910, 27960)
#/sbin/modprobe ip_masq_quake 26000,27000,27910,27960
# CuSeeme rfIïc\tgEGAÉηé}XJ[hðñ
#
#/sbin/modprobe ip_masq_cuseeme
# VDO-Live rfIïc\tgEGAÉηé}XJ[hðñ
#
#/sbin/modprobe ip_masq_vdolive
#ñíÉdv - IP tH[fBOÍftHgÅͳøÉÈÁÄ¢éÌÅALøɵܷB
#
# Redhat [UÌêÍA/etc/sysconfig/network ÌIvVwèsð
#
# FORWARD_IPV4=false
# ©ç
# FORWARD_IPV4=true
# ÉÏXµÄ¾³¢B
#
echo "1" > /proc/sys/net/ipv4/ip_forward
#ñíÉdv - 2.2.x J[lÅÍ IP ftOe[VÌT|[gÍftHgÅͳøÅ·B
#
# RpCÌwèÉæéàÌÅ·ªA2.2.12 J[lÈ~ÍÏX³êĢܷB
#
echo "1" > /proc/sys/net/ipv4/ip_always_defrag
# ®IÉèÄçêé IP AhXðgp·é[Uü¯ -
#
# IP AhXð SLIP, PPP, DHCP ÈÇ©ç®IÉæ¾·éêÍAÌIvVðLøɵľ³¢B
# ±ÌIvVÍAIP }XJ[hÅ®I IP AhXÌìðµADialdâ¯lÈvOÌ
# gpðæèeÕÉ·éàÌÅ·B
#
#echo "1" > /proc/sys/net/ipv4/ip_dynaddr
# ȽÌÃIÈ IP AhXðȺÉwèµÜ·
#
# ®IÉèÄçêé IP AhXðgp·éÈçAVµ¢ IP AhXªèÄçêé½ÑÉKp
# ·éæ¤ÉA[Zbg𫷦ȯêÎÈèܹñB»Ì½ßÉÍAAȺÌæ¤ÈêsÌXNvgð
# LøÉ·éKvª èÜ·BiXNvgáàÌêdøpÆñdøpÌá¢ÍÓ¡ð¿Ü·ÌÅÓj
#
#
# DHCP ðp·éê -
# ---------------------
# TCP/IP AhXð DHCP ©çæ¾·éêÍA ppp ZNVÌºÉ éA
# "#" ÅRgAEg³ê½ªðLøɵA"ppp0" Æ éªðA
# C^[lbgÚ±pÌC^tF[X̼OÉu«·¦È¯êÎ
# Èèܹñ (á¦ÎA eth0 â eth1 ) B
# DHCP ÍèĽ IP AhXðÏX·é±ÆÉӵľ³¢B
# ±ÌÏXð³µ½f³¹éÉÍA DHCP [XªXV³êéxÉA
# DHCP NCAgðÄxÀsµÄt@CAEH[[Zbgð½f
# ³¹È¯êÎÈèܹñB
#
# Ó #1 - o[WÌ "pump" Ìæ¤È (Vµ¢o[WÅÍ
# âè_ÍC³³êĢܷ) DHCP NCAgÉæÁÄÍA
# IP AhX[XXVãÉXNvgðÀs·é±Æª
# Å«È¢à̪ èÜ·B
# »ÌêÍA"dhcpcd" © "dhclient" Éu«·¦È¯êÎ
# ÈèܹñB
#
# Ó #2 - ÅßÌo[WÌ "dhcpcd" ÅÍAR}h¶@ªÏíÁÄ
# ¢Ü·B
#
# o[WÅÌwèû@ÍAÌæ¤ÈàÌŵ½ -
# dhcpcd -c /etc/rc.d/rc.firewall eth0
#
# Vµ¢o[WÅÍÌæ¤ÉwèµÜ· -
# dhcpcd eth0 /etc/rc.d/rc.firewall
#
# Ó #3 - Pump ðg¤êA /etc/pump.conf t@CÉÌLqð
# ÇÁµÄ¾³¢ -
#
# script /etc/rc.d/rc.firewall
#
#
# PPP ðp·éê -
# --------------------
# ¨CëÅÍÈ¢©àµêܹñªAPPP Ú±ªm§·éxÉA
# /etc/ppp/ip-up XNvgª®ìµÜ·B
# ±êðpµÄAVµ¢ IP AhXÌæ¾ÆÅÈt@CAEH[E
# [ZbgÌÄÝèðs¢Ü·B
#
# àµA/etc/ppp/ip-up ª·ÅɶݵĢéÈçA»êðÒWµÄ"/etc/rc.d/rc.firewall"
# Æ¢¤LqðÅãÌ ½èÉÇÁ·éæ¤ÉµÄ¾³¢B
#
# àµA/etc/ppp/ip-up XNvgª¶ÝµÈ©Á½ÈçA/etc/rc.d/rc.firewall XNvg
# ðÀs·é½ßÌÌæ¤ÈNð쬷éKvª èÜ·B
#
# ln -s /etc/rc.d/rc.firewall /etc/ppp/ip-up
#
# * ±¢ÄAȺÌRgAEg³ê½VFR}hðKvɶÄLøɵľ³¢ *
#
#
#
# PPP yÑ DHCP ðp·éê -
# --------------------------------
# ÌsÌ "#" ðíµÄA»ÌÌsÌæªÉ "#" ðüêľ³¢B
#
#ppp_ip="`/sbin/ifconfig ppp0 | grep 'inet addr' | awk '{print $2}' | sed -e
#
ppp_ip="your.static.PPP.address"
# }XJ[hÌ^CAEg
#
# 2 Ô= TCP ZbV
# 10 b = TCP/IP Ì "FIN" pPbgªóM³ê½ ÆÌgtBbN
# 60 b = UDP gtBbN (}XJ[h³ê½Â«ÅÌ ICQ [UÍA
# ICQ NCAgÌÝèÅAt@CAEH[^CAEglð
# 30bÉwèµÈ¯êÎÈèܹñ)
#
/sbin/ipfwadm -M -s 7200 10 60
#############################################################################
#
pPbgÉ¢ÄAù¶Ì[ðjüµAú|V[ð
# âyó: rejectzÉÝèBÀÛÍAâµÄOÉL^·é
# ÅI[ðpÓ·éÌÅA±Ì|V[Í®ìÉͳÖWÉÈéB
# yó: [ð reject É·éÆA[Évµ½pPbgðjüµÄA
# "destination-unreachable" (ÚInÉBµÈ¢) Æ¢¤ ICMP pPbgð
# è¤ (M³AhXÌ}V) ÉMµÜ·B
# deny É·éÆA"destination-unreachable" pPbgào³¸ÉAóMµ½
# pPbgðPÉjüµÜ·B
#
/sbin/ipfwadm -I -f
/sbin/ipfwadm -I -p reject
# [J}V¤©ç[JC^tF[XÉüépPbgÍADZÉ
# ü©¤àÌàLøÆ·éB
#
/sbin/ipfwadm -I -a accept -V 192.168.0.1 -S 192.168.0.0/24 -D 0.0.0.0/0
# [gC^tF[X¤©çüÁÄé IP Xv[tBOyó: IP Uz
# pPbgâÀqpPbgÍA{Èç[J}V©çÅ é׫àÌÈÌÅA
# â·éB
#
/sbin/ipfwadm -I -a reject -V $ppp_ip -S 192.168.0.0/24 -D 0.0.0.0/0 -o
# [gC^[tF[X©çüéA¶æAhXª PPP AhXÌpPbgÍA
# ÇÌM³AhX©çÌàÌàLøÆ·éB
# yó: ȺÌR}hÌOÉA
# /sbin/ipfwadm -I -a deny -V $ppp_ip -S 0.0.0.0/0 -y -D $ppp_ip/32 -o
# ª é©A½ÍȺÌR}hª
# /sbin/ipfwadm -I -a accept -V $ppp_ip -S 0.0.0.0/0 -k -D $ppp_ip/32
# ÆÈÁÄ¢éûªæèDܵ¢Æv¢Ü·Bz
#
/sbin/ipfwadm -I -a accept -V $ppp_ip -S 0.0.0.0/0 -D $ppp_ip/32
# [vobNC^tF[XðLøÆ·é
#
/sbin/ipfwadm -I -a accept -V 127.0.0.1 -S 0.0.0.0/0 -D 0.0.0.0/0
# ÅI[B»Ì¼Ì
pPbgÍâ³êAOÉL^³êéB|V[ÉÍ
# OL^̽ßÌIvVªÈ¢½ßA±êª»ÌððãíèÉʽ·±ÆÉ
# ÈéB
#
/sbin/ipfwadm -I -a reject -S 0.0.0.0/0 -D 0.0.0.0/0 -o
#############################################################################
# opPbgÉ¢ÄAù¶Ì[ðjüµAú|V[ð
# âyó: rejectzÉÝèBÀÛÍAâµÄOÉL^·éÅI[ð
# pÓ·éÌÅA±Ì|V[Í®ìÉͳÖWÉÈéB
#
/sbin/ipfwadm -O -f
/sbin/ipfwadm -O -p reject
# [JC^tF[X©çoͳêéA[JlbgÖü©¤pPbgÍ
# DZ©çÌàÌàLøÆ·éB
#
/sbin/ipfwadm -O -a accept -V 192.168.0.1 -S 0.0.0.0/0 -D 192.168.0.0/24
# [gC^tF[XãÅ[JlbgÖo³êépPbgÍA
# U[eBOÈÌÅAâ·éB
#
/sbin/ipfwadm -O -a reject -V $ppp_ip -S 0.0.0.0/0 -D 192.168.0.0/24 -o
# [gC^tF[XãÅ[Jlbg©ço³êépPbgÍA
# è¾È¢}XJ[fBOÈÌÅAâ·éB
#
/sbin/ipfwadm -O -a reject -V $ppp_ip -S 192.168.0.0/24 -D 0.0.0.0/0 -o
# [gC^tF[XãÅ[Jlbg©ço³êépPbgÍA
# è¾È¢}XJ[fBOÈÌÅAâ·éB
#
/sbin/ipfwadm -O -a reject -V $ppp_ip -S 0.0.0.0/0 -D 192.168.0.0/24 -o
# yó: ãL[Í2ÂãÌàÌÆS¯¶Å·ÌÅA¾ç©ÉÔá¢Æ
# víêÜ·Bz
# [gC^tF[X©çÌ»êÈOÌopPbgÍLø
#
/sbin/ipfwadm -O -a accept -V $ppp_ip -S $ppp_ip/32 -D 0.0.0.0/0
# [vobNC^tF[XðLøÉ·é
#
/sbin/ipfwadm -O -a accept -V 127.0.0.1 -S 0.0.0.0/0 -D 0.0.0.0/0
# ÅI[B»Ì¼ÌopPbgÍâ³êAOÉL^³êéB
# |V[ÉÍOL^̽ßÌIvVÍÈ¢½ßA±êª»Ìðð
# ãíèÉʽ·±ÆÉÈéB
#
/sbin/ipfwadm -O -a reject -S 0.0.0.0/0 -D 0.0.0.0/0 -o
#############################################################################
# ]pPbgÉ¢ÄAù¶Ì[ðjüµAú|V[ð
# Ûèyó: denyzÉÝèBÀÛÍAÛèµÄOÉL^·éÅI[ð
# pÓ·éÌÅA±Ì|V[Í®ìÉͳÖWÉÈéB
#
/sbin/ipfwadm -F -f
/sbin/ipfwadm -F -p deny
# [JC^tF[XãÌ[Jlbg©ç»Ì¼Ì¶æÖÌpPbgð
# }XJ[h·éB
#
#
/sbin/ipfwadm -F -a masquerade -W ppp0 -S 192.168.0.0/24 -D 0.0.0.0/0
#
# ÅI[B»Ì¼Ì]pPbgÍâ³êAOÉL^³êéB
# |V[ÉÍOL^̽ßÌIvVÍÈ¢½ßA±êª»Ìðð
# ãíèÉʽ·±ÆÉÈéB
#
/sbin/ipfwadm -F -a reject -S 0.0.0.0/0 -D 0.0.0.0/0 -o
#t@CIíèB
IPFWADM ÅÍA -I, -O é¢Í -F [ÉæÁÄAÁèÌTCgÖÌg
tBbNðj~·é±ÆªÅ«Ü·B±Ì[ÍÅ©çÅãÖÆÉKp
³êÄ¢«Ü·BܽA IPFWADM Ì "-a"IvVÍAù¶Ì[QÉÎ
µÄVµ¢[ðuÇÁv·éà̾Ƣ¤±ÆÉӵľ³¢B±ê
ɯӷéÆASÌÌ[ðwè·éOÉA¼ÌÂȨ̂ÀªKvÆÈÁÄ
«Ü·B½Æ¦ÎAÌæ¤ÈàÌÅ· -
-I (
)[ -
-I (input) [ðg¤ -
yó: SÄÌC^[tF[XÉ
·épPbgªÊß·é[Å·B
ÂÊÌC^[tF[XÌwèÍA -V IvVÍ -W IvVÅwè
µÜ·Bz
±êͨ»çgtBbNðubN·é×ÌAÅàèÁæèÄø¦Ì
Ç¢û@Å·ªA}XJ[h³ê½}VÉεÄÌÝj~Å«At@CA
EH[}V©gÖÌgtBbNÍj~ūܹñBà¿ëñA±ÌgÝ
í¹ðµ½¢Æ¢¤±Æà éŵ太B
³ÄA 204.50.10.13 Æ¢¤AhXÖÌgtBbNðj~·éê -
/etc/rc.d/rc.firewall [ZbgÌÌ
/etc/rc.d/rc.firewall Ì[ZbgÌ -
... -I [ÌͶÜè ...
# [JC^tF[XãÅA 204.50.10.13 Æ¢¤}VÖÌpPbgð
# âµÄOðæéB
#
/sbin/ipfwadm -I -a reject -V 192.168.0.1 -S 192.168.0.0/24 -D 204.50.10.13/32
-o
# [JC^tF[XãÅA çäé[J}V©ç¹çêé
# pPbgÍADZÖü©¤àÌàLøÆ·éB
#
/sbin/ipfwadm -I -a accept -V 192.168.0.1 -S 192.168.0.0/24 -D 0.0.0.0/0
... -I [ÌIíè ...
-o (o)[ -
-O (output) [ðg¤ -
yó: SÄÌC^[tF[X©ço³êépPbgªÊß·é[Å
·BÂÊÌC^[tF[XÌwèÍA -V IvVÍ -W IvVÅ
wèµÜ·Bz
±êÍgtBbNðubN·éÉÍx¢û@Å·B½ÌÈçÎApPbg
Íjü³êéæèÈOÉ}XJ[hðÊÁĵܤ©çÅ·Bµ©µÈªç
±Ì[ÅàAÖ~µÄ¢éTCg©çÌt@CAEH[}VÉηé
ANZXðj~·é±ÆªÅ«Ü·B
... -O [ÌnÜè ...
# 204.50.10.13 Éü¯çê½pPbgðÛµÄOðÌæ·é
#
/sbin/ipfwadm -O -a reject -V $ppp_ip -S $ppp_ip/32 -D 204.50.10.13/32 -o
# ãLÈOÌ[gC^tF[XãÅÌ çäépPbgÌoÍ
# LøÉ·éB
#
/sbin/ipfwadm -O -a accept -V $ppp_ip -S $ppp_ip/32 -D 0.0.0.0/0
... -O [ÌIíè ...
-F (])[Ìgp -
-F (forward) [ðg¤ -
yó: SÄÌC^[tF[XãÅ]³êépPbgªÊß·é[Å
·BÂÊÌC^[tF[XÌwèÍA -V IvVÍ -W IvVÅ
wèµÜ·Bz
¨»çAgtBbNðubN·éÉÍA -I (input) [æèx¢û
@Å·ªA}XJ[h³ê½}V (½Æ¦ÎA[JGAlbg[
NÌ}V) ÉηégtBbN¾¯Íj~Å«Ü·Bt@CAEH[}
VÍÖ~µ½¢TCg©çBÂ\ÌÜÜÅ·B
... -F [ÌJn ...
# PPP C^tF[XãÅÌ 204.50.10.13 Éü¯½pPbgðÛµÄOÌæ·é
#
/sbin/ipfwadm -F -a reject -W ppp0 -S 192.168.0.0/24 -D 204.50.10.13/32 -o
# [JC^[tF[X¤Ì[Jlbg©çÌ}XJ[hðs¤
#
/sbin/ipfwadm -F -a masquerade -W ppp0 -S 192.168.0.0/24 -D 0.0.0.0/0
... -F [ÌIíè ...
192.168.0.0/24 Ì}V©ç 204.50.11.0 Éü¯ÄÌANZXð·ÁÊÈ
[ÍsvÅ·BȺÈçA»êçÍSÌIÈ}XJ[fBOÌ[
ÉæÁÄÜ©ÈíêÄ¢é©çÅ·B
Ó - OoÌû@ÈOÉàAeC^tF[XðLq·éû@Í èÜ·B
á¦ÎA "-V 192.168.255.1" Æ¢¤LqÌãíèÉA"-W eth0"Æà¯Ü
·µA "-V $ppp_ip" Æ¢¤LqÌãíèÉ "-W ppp0" Æà¯Ü·B "-V"
ðg¤û@Í IPCHAINS ÖÚs·éêÉÍg¦Ü¹ñBµ©µA IPFWADM
Ì[UªÇ¿çðIð·é©ÍÂlÌ©RÅ èA¾¶»µÄq×éÜÅà
È¢±ÆÅ·B
6.5. IPCHAINS Éæé³çÉÅÈ IP t@CAEI[E[Zbg
±ÌÍÅÍA 2.2.x nJ[lÌt@CAEH[c[Å é IPCHAINS
ÌÚ×ÈKChðLµÜ·B IPFWADM É¢ÄÍOoðQƵľ³¢B
±ÌáÍAÅèIÈ IP AhXð PPP Ú±ÌwãÉ ét@CAEH
[Æ}XJ[hÅ· (®IÉAhXð^¦çêé PPP ̽ßÉ¢Ä
ÍÜÜêÄܷ͢ªLøÉ͵Ģܹñ)BMÅ«éC^tF[XÍ
192.168.0.1 Å èA PPP C^[tF[XÌAhXÍu«¢zçv©ç
çé½ßÉ«·¦Ä¢Ü·Boüè»ê¼êÌC^tF[XÍÊXÉñ
µÄ¢Ü·ªA±êÍ [eBOâ}XJ[hðí©èâ··éÈO
É IP Xv[tBOâs³È[eBOðoµâ··é½ßÌàÌÅ
à èÜ·B¾mɳêĢȢàÌÍÖ~Å·(ÀÛÉÍâ³êÜ
·)BàµA È½Ì IP }XJ[h BOX ªA±Ì rc.firewall XNv
gðüê½ ÆÅÜÆàÉ®©ÈÈÁ½Æµ½çA /var/log/messages
é¢Í /var/adm/messages É é SYSLOG t@Cɽ©t@CAEI[
ÖWÌG[ªÈ¢©mFµÄAÝèªÔáÁĢȢ©ðm©ßľ³
¢B
PPPâP[ufÈÇðgÁ½AIPCHAINS ÉæéàÁÆÅÈ IP }XJ
[hÌÀpIÈáÉ¢ÄÍ TrinityOS - Section 10
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> â GreatCircle's Firewall WWW page ðQƵÄ
¾³¢B
Ó #1 - 2.2.16ÈOÌ Linux J[lÉÍA TCP Ú±Å[g ÀðDæ
³êé믫ª èAXÉ 2.2.11 ÈOÌàÌÉÍ IPCHAINS ÌtOe
[VÉÖ·éoOª èÜ·B±Ì½ßAÅÈ IPCHAINS [Zbg
ðÒ³¹éÛÉÍAUÉεijhõÅ·BC³³ê½o[WÌJ[
lðgÁľ³¢B
Ó #2 - àµATCP/IPAhXª PPP, ADSL, P[ufÈÇðoR
µÄ ISP ©ç®IÉèÄçêéêÉÍA±ÌÅÈ[ZbgðN
®ÉÝè·é±ÆÍūܹñB±Ìæ¤ÈêÉÍAIP AhXªè
ÄçêéxɱÌt@CAEH[E[ZbgðÄxÇÝܹé©A
é¢Í /ec/rc.d/rc.firewall [ZbgðàÁÆCeWFgÉì
éKvª èÜ·B PPP [Uª±Ì[ZbgðKp·éêÉÍAã
q·é "Dynamic PPP IP fetch" Ʃ꽪ÌRgðÓ[KØÉ
OµÄ¾³¢BܽAÅÈ[ZbgyÑ®IÉèÄçêé IP A
hXÉ¢ÄÌàÁÆÚµ¢ðàÍA TrinityOS - Section 10
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> É èÜ·B
ܽAGUI x[XÅt@CAEH[ÌÝè𶬷éæ¤Èc[ª¢Â
©¶ÝµÜ·BÚ×Í ``æ é¿â (FAQ)'' ÌÍðQƵľ³¢B
ÅãÉAàµÃIÉèÄçêé IP AhXðgÁÄ¢éÈçAȺÌá
Ì "ppp_ip="your.static.PPP.address"" ÆÈÁÄ¢éªð È½Ì IP A
hXÉ«·¦Ä¾³¢B
----------------------------------------------------------------
#!/bin/sh
#
# /etc/rc.d/rc.firewall - ââÅÈ IPCHAINS t@CAEI[E[Zbg
#
PATH=/sbin:/bin:/usr/sbin:/usr/bin
# KvÈ·×ÄÌ IP }XJ[hW
[ð[h·é
#
# Ó - KvÈ IP }XJ[hW
[¾¯ð[hµÜ·B·×ÄÌ IP }XJ[hW
[ª
# ȺÉLq³êĢܷªA[h³êÈ¢æ¤ÉRgÆÈÁĢܷB
# W
[ðÅÉ[h·éÉܸKv
#
/sbin/depmod -a
# PORT û®ðgÁÄFTP t@C]ɨ¯éKØÈ IP }XJ[hðñµÜ·
#
/sbin/modprobe ip_masq_ftp
# UDP vgRðoRµ½ARealAudio Ì}XJ[hðñµÜ·B±ÌW
[ªÈÄà
# RealAudio Í TCP [hÅ®ìµÜ·ªA¹¿ÍẵܷB
#
/sbin/modprobe ip_masq_raudio
# IRC DCC t@C]Ì}XJ[hðñµÜ·
#
#/sbin/modprobe ip_masq_irc
# ȺÌwèÉæÁÄ Quake Æ QuakeWorld ðftHgÅñµÜ·B±ÌW
[Í Linux
# Ì }XJ[hE{bNX©çà¤Ì¡[Uª¶Ý·éê̽ßÌàÌÅ·B
# àµAQuake I, II, é¢Í III ðg¢½¢ÈçÎAQÔÚÌáðgÁľ³¢B
#
# Ó - àµAQUAKE W
[Ì[hÉG[ªo½êÍAâoOÌ
# ------ éJ[lª®¢Ä¢Ü·B
# »ÌêÍæèVµ¢J[lÉu«·¦Ä¾³¢B
#
#Quake I / QuakeWorld (ports 26000 and 27000)
#/sbin/modprobe ip_masq_quake
#
#Quake I/II/III / QuakeWorld (ports 26000, 27000, 27910, 27960)
#/sbin/modprobe ip_masq_quake 26000,27000,27910,27960
# CuSeeme rfIïc\tgEGAÉηé}XJ[hðñ
#
#/sbin/modprobe ip_masq_cuseeme
# VDO-Live rfIïc\tgEGAÉηé}XJ[hðñ
#
#/sbin/modprobe ip_masq_vdolive
#ñíÉdv - IP tH[fBOÍftHgÅͳøÉÈÁÄ¢éÌÅALøɵܷB
#
# Redhat [UÌêÍA/etc/sysconfig/network ÌIvVwèsð
#
# FORWARD_IPV4=false
# ©ç
# FORWARD_IPV4=true
# ÉÏXµÄ¾³¢B
#
echo "1" > /proc/sys/net/ipv4/ip_forward
#ñíÉdv - 2.2.x J[lÅÍ IP ftOe[VÌT|[gÍftHgÅͳøÅ·B
#
# RpCÌwèÉæéàÌÅ·ªA2.2.12 J[lÈ~ÍÏX³êĢܷB
# ܽAfBXgr
[VÉæÁÄÍ /proc e[u©ç
# ±ÌIvVªO³êÄ¢é±Æà èÜ·ÌÅA»ÌêÍ
# /proc fBNgɶݵȯêÎCɵÈÄà\¢Ü¹ñB
#
echo "1" > /proc/sys/net/ipv4/ip_always_defrag
# ®IÉèÄçêé IP AhXðgp·é[Uü¯ -
#
# IP AhXð SLIP, PPP, DHCP ÈÇ©ç®IÉæ¾·éêÍAÌIvVðLøɵľ³¢B
# ±ÌIvVÍAIP }XJ[hÅ®I IP AhXÌìðµADiald â¯lÈvOÌ
# gpðæèeÕÉ·éàÌÅ·B
#echo "1" > /proc/sys/net/ipv4/ip_dynaddr
# C^[lbgðKvÆ·éA¢Â©ÌvOÉηé LooseUDP pb`ðLøÉ·é
#
# IP }XJ[hðoRµÄC^[lbgQ[𮩻¤ÆµÄ¢ÄAǤµÄà»êª®©È¢Æ¢¤
# ÌÈçA±ÌIvVðLøɵÄÝľ³¢(ÈºÌ "#" ðíµÜ·)BUDP |[gXLÉ
# ηéÆã«ÌÂ\«ª éÌÅA±ÌIvVÍftHgÅÖ~³êĢܷB
#
#echo "1" > /proc/sys/net/ipv4/ip_masq_udp_dloose
# ȽÌÃIÈ IP AhXðȺÉwèµÜ·
#
# ®IÉèÄçêé IP AhXðgp·éÈçAVµ¢ IP AhXªèÄçêé½ÑÉKp
# ·éæ¤ÉA[Zbg𫷦ȯêÎÈèܹñB»Ì½ßÉÍAAȺÌæ¤ÈêsÌXNvgð
# LøÉ·éKvª èÜ·BiXNvgáàÌêdøpÆñdøpÌá¢ÍÓ¡ð¿Ü·ÌÅÓj
#
#
# DHCP ðp·éê -
# -----------
# TCP/IP AhXð DHCP ©çæ¾·éêÍAppp ZNVÌºÉ é"#"ÅRgAEg³ê½
# ªðLøɵA"ppp0" Æ éªðAC^[lbgÚ±pÌC^tF[X̼OÉu«·¦È¯êÎ
# Èèܹñ(½Æ¦ÎAeth0 â eth1 ÈÇÉjB
# DHCP ÍèĽ IP AhXðÏX·é±ÆÉӵľ³¢B±ÌÏXð³µ½f³¹éÉÍ
# DHCP [XªXV³êé½ÑÉADHCP NCAgðÄxÀsµÄt@CAEI[[Zbgð½f
# ³¹È¯êÎÈèܹñB
#
# Ó 1 - ¢Â©Ì DHCP NCAgÍâo[WÌ "pump" ÅiVµ¢o[W
# ÅÍâè_ÍC³³êĢܷjA»êÍ[XXVãÉXNvgðÀs·é±Æª
# Å«È¢àÌÅ·B»ÌêÍA"dhcpcd" © "dhclient" Éu«·¦È¯êÎ
# ÈèܹñB
#
# Ó 2 - "dhcpcd" ÍÅßÌo[WÅÍAR}h¶@ªÏíÁĢܷB
#
# o[WÅÌwèû@ÍAÌæ¤ÈàÌŵ½ -
# dhcpcd -c /etc/rc.d/rc.firewall eth0
#
# Vµ¢o[WÅÍÌæ¤ÉwèµÜ· -
# dhcpcd eth0 /etc/rc.d/rc.firewall
#
#
# Ó 3 - Pump ðg¤êA/etc/pump.conf t@CÉÌLqðÇÁµÄ¾³¢B
#
# script /etc/rc.d/rc.firewall
#
# PPP ðp·éê -
# ----------
# ¨CëÅÍÈ¢©àµêܹñªAPPP Ú±ªsíêé½ÑÉA/etc/ppp/ip-up XNvgª
# íÉ®ìµÜ·B±Ì±ÆðpµÄAVµ¢ IP AhXÌæ¾ÆÅÈt@CAEI[E[
# ZbgÌÄÝèðs¢Ü·B
#
# àµA/etc/ppp/ip-up ª·ÅɶݵĢéÈçA»êðÒWµÄ"/etc/rc.d/rc.firewall"
# Æ¢¤LqðÅãÌ ½èÉÇÁ·éæ¤ÉµÄ¾³¢B
#
# àµA/etc/ppp/ip-up XNvgª¶ÝµÈ©Á½ÈçA/etc/rc.d/rc.firewall XNvg
# ðÀs·é½ßÌÌæ¤ÈNð쬷éKvª èÜ·B
#
# ln -s /etc/rc.d/rc.firewall /etc/ppp/ip-up
#
# * ±¢ÄAȺÌRgAEg³ê½VFR}hðKvɶÄLøɵľ³¢ *
#
# PPP yÑ DHCP ðp·éê -
# -------------------
# ÌsÌ "#" ðíµÄA»ÌÌsÌæªÉ "#" ðüêľ³¢B
#extip="`/sbin/ifconfig ppp0 | grep 'inet addr' | awk '{print $2}' | sed -e
# ÃIÈ IP AhXÅ PPP ðg¤ê -
#
extip="your.static.PPP.address"
# PPP Æ DHCP ðg¤êÍAK¸±ÌªÉ³µ¢OC^tF[X̼OðwèµÜ·
extint="ppp0"
# àÌ IP AhXÌèÄðwèµÜ·
intint="eth0"
intnet="192.168.0.0/24"
# }XJ[hÌ^CAEg
#
# 2 Ô= TCP ZbV
# 10 b = TCP/IP Ì "FIN" pPbgªóM³ê½ ÆÌgtBbN
# 60 b = UDP gtBbN (}XJ[h³ê½Â«ÅÌ ICQ pÒÍ ICQ ©ÌÌÝèÌÅ
# 30bÌt@CAEI[^CAEgðwèµÈ¯êÎÈèܹñ)
#
#
ipchains -M -S 7200 10 60
#############################################################################
#
pPbgÉ¢ÄAù¶Ì[ðjüµAú|V[ð
# âyó: rejectzÉÝèBÀÛÍAâµÄOÉL^·é
# ÅI[ðpÓ·éÌÅA±Ì|V[Í®ìÉͳÖWÉÈéB
# yó: [ð REJECT É·éÆA[Évµ½pPbgðjüµÄA
# "destination-unreachable" (ÚInÉBµÈ¢) Æ¢¤ ICMP pPbgð
# è¤ (M³AhXÌ}V) ÉMµÜ·B
# DENY É·éÆA"destination-unreachable" pPbgào³¸ÉAóMµ½
# pPbgðPÉjüµÜ·B
#
ipchains -F input
ipchains -P input REJECT
# [J}V¤©ç[JC^tF[XÉüépPbgÍADZÉ
# ü©¤àÌàLøÆ·éB
#
ipchains -A input -i $intint -s $intnet -d 0.0.0.0/0 -j ACCEPT
# [gC^tF[X¤©çüÁÄé IP Xv[tBOyó: IP Uz
# pPbgâÀqpPbgÍA{Èç[J}V©çÅ é׫àÌÈÌÅA
# â·éB
#
ipchains -A input -i $extint -s $intnet -d 0.0.0.0/0 -l -j REJECT
# [gC^[tF[XÉüÁÄéA¶æAhXª PPP AhXÌ
# pPbgÍAÇÌM³AhX©çÌàÌàLøÆ·éB
# yó: ȺÌR}hÌOÉA
# ipchains -A input -i $extint -S 0/0 -d $extip/32 -p tcp -y -j DENY -l
# ª é©A½ÍȺÌR}hª
# ipchains -A input -i $extint -S 0/0 -d $extip/32 -p tcp ! -y -j ACCEPT
# ÆÈÁÄ¢éûªæèDܵ¢Æv¢Ü·Bz
#
ipchains -A input -i $extint -s 0.0.0.0/0 -d $extip/32 -j ACCEPT
# [vobNC^tF[XðLøÆ·é
#
ipchains -A input -i lo -s 0.0.0.0/0 -d 0.0.0.0/0 -j ACCEPT
# ÅI[B»Ì¼Ì
pPbgÍâ³êAOÉL^³êéB|V[ÉÍ
# OL^̽ßÌIvVªÈ¢½ßA±êª»ÌððãíèÉʽ·±ÆÉ
# ÈéB
#
ipchains -A input -s 0.0.0.0/0 -d 0.0.0.0/0 -l -j REJECT
#############################################################################
# opPbgÉ¢ÄAù¶Ì[ðjüµAú|V[ð
# âyó: rejectzÉÝèBÀÛÍAâµÄOÉL^·éÅI[ð
# pÓ·éÌÅA±Ì|V[Í®ìÉͳÖWÉÈéB
#
ipchains -F output
ipchains -P output REJECT
# [JC^tF[X©çoͳêéA[JlbgÖü©¤pPbgÍ
# DZ©çÌàÌàLøÆ·éB
#
ipchains -A output -i $intint -s 0.0.0.0/0 -d $intnet -j ACCEPT
# [gC^tF[XãÅ[JlbgÖo³êépPbgÍA
# U[eBOÈÌÅAâ·éB
#
ipchains -A output -i $extint -s 0.0.0.0/0 -d $intnet -l -j REJECT
# [gC^tF[XãÅ[Jlbg©ço³êépPbgÍA
# è¾È¢}XJ[fBOÈÌÅAâ·éB
#
ipchains -A output -i $extint -s $intnet -d 0.0.0.0/0 -l -j REJECT
# [gC^tF[X©çÌ»êÈOÌopPbgÍLø
#
ipchains -A output -i $extint -s $extip/32 -d 0.0.0.0/0 -j ACCEPT
# [vobNC^tF[XðLøÆ·éB
#
ipchains -A output -i lo -s 0.0.0.0/0 -d 0.0.0.0/0 -j ACCEPT
# ÅI[B»Ì¼ÌopPbgÍâ³êAOÉL^³êéB
# |V[ÉÍOL^̽ßÌIvVÍÈ¢½ßA±êª»Ìðð
# ãíèÉʽ·±ÆÉÈéB
#
ipchains -A output -s 0.0.0.0/0 -d 0.0.0.0/0 -l -j REJECT
#############################################################################
# ]pPbgÉ¢ÄAù¶Ì[ðjüµAú|V[ð
# Ûèyó: denyzÉÝèBÀÛÍAÛèµÄOÉL^·éÅI[ð
# pÓ·éÌÅA±Ì|V[Í®ìÉͳÖWÉÈéB
#
ipchains -F forward
ipchains -P forward DENY
# [JC^tF[XÅÌ[Jlbg©ç»Ì¼Ì¶æÖÌpPbgð}XJ[h·é
#
ipchains -A forward -i $extint -s $intnet -d 0.0.0.0/0 -j MASQ
#
# ÅI[B»Ì¼Ì]pPbgÍâ³êAOÉL^³êéB
# |V[ÉÍOL^̽ßÌIvVÍÈ¢½ßA±êª»Ìðð
# ãíèÉʽ·±ÆÉÈéB
#
ipchains -A forward -s 0.0.0.0/0 -d 0.0.0.0/0 -l -j REJECT
# t@CÌIíè
IPCHAINS ÅÍ "input", "output", "forward" Ìe[ɨ¢ÄAÁèÌ
TCgÖÌgtBbNðj~·é±ÆªÅ«Ü·B±Ì[Íã©çºÖ
ÆÉKp³êÄ¢«A "-A"IvVÍ IPCHAINS ÉεÄVµ¢[
ðù¶Ì[QÉεÄuÇÁv·éà̾Ƣ¤±ÆÉӵľ³
¢B±êɯӷéÆASÌÌ[ðwè·éOɼÌÂȨ̂ÀªKvÆ
ÈÁÄ«Ü·B½Æ¦ÎAÌæ¤ÈàÌÅ· -
"input" [ðg¤ -
yó: SÄÌC^[tF[XÉ
·épPbgªÊß·é[Å·B
ÂÊÌC^[tF[XÌwèÍA -i IvVɱ¯ÄC^[tF[X
¼ðwèµÜ·Bz
±êͨ»çgtBbNðubN·é×ÌAÅàèÁæèÄø¦Ì
Ç¢û@Å·ªA}XJ[h³ê½}VÉεÄÌÝj~Å«At@CA
EH[}V©gÖÌgtBbNÍj~ūܹñBà¿ëñA±ÌgÝ
í¹ðµ½¢Æ¢¤±Æà éŵ太B
³ÄA 204.50.10.13 Æ¢¤AhXÖÌgtBbNðj~·éê -
/etc/rc.d/rc.firewall [ZbgÌÌ
... üÍ [ÌͶÜè ...
# [JC^tF[X¤Ì 204.50.10.13 Æ¢¤}VÖÌpPbgðÛ·é
#
ipchains -A input -s 192.168.0.0/24 -d 204.50.10.13/32 -l -j REJECT
# [JC^tF[X¤ÌÇÌ[J}VÌDZÖü©¤pPbgàLøÆ·é
#
ipchains -A input -s 192.168.0.0/24 -d 0.0.0.0/0 -l -j ACCEPT
... üÍ [ÌIíè ...
"output" [ðg¤ -
yó: SÄÌC^[tF[X©ço³êépPbgªÊß·é[Å
·BÂÊÌC^[tF[XÌwèÍA -i IvVɱ¯ÄC^[tF
[X¼ðwèµÜ·Bz
±êÍgtBbNðubN·éÉÍx¢û@Å·B½ÌÈçÎApPbg
Íjü³êéæèÈOÉ}XJ[hðÊçȯêÎÈçÈ¢©çÅ·Bµ©
µÈªç±Ì[ÅàAÖ~µÄ¢éTCg©çÌt@CAEH[}V
ÉηéANZXðj~·é±ÆªÅ«Ü·B
... oÍ[ÌnÜè ...
# 204.50.10.13 Éü¯çê½pPbgðÛµÄOðÌæ·é
#
ipchains -A output -s $ppp_ip/32 -d 204.50.10.13/32 -l -j REJECT
# »Ì¼Ì[gC^tF[X¤ÖÌoÍLøÉ·é
#
ipchains -A output -s $ppp_ip/32 -d 0.0.0.0/0 -l -j ACCEPT
... oÍ[ÌIíè ...
"forward" [ðg¤ -
yó: SÄÌC^[tF[XãÅ]³êépPbgªÊß·é[Å
·BÂÊÌC^[tF[XÌwèÍA -i IvVɱ¯ÄC^[tF
[X¼ðwèµÜ·Bz
¨»çAgtBbNðubN·éÉÍ "input" [æèx¢û@Å
·ªA}XJ[h³ê½}V (á¦Î[JGAlbg[NÌ}V
) ÉηégtBbN¾¯Íj~Å«Ü·Bt@CAEH[}VÍÖ
~µ½¢TCg©çBÂ\ÌÜÜÅ·B
... ][ÌJn ...
# PPP C^tF[XãÅÌ 204.50.10.13 Éü¯½pPbgðÛµÄOÌæ·é
#
ipchains -A forward -i ppp0 -s 192.168.0.0/24 -d 204.50.10.13/32 -l -j REJECT
# [JC^[tF[X¤Ì[Jlbg©çÌ}XJ[hðs¤
#
ipchains -A forward -i ppp0 -s 192.168.0.0/24 -d 0.0.0.0/0 -j MASQ
... ][ÌIíè ...
192.168.0.0/24 Ì}V©ç 204.50.11.0 Éü¯ÄÌANZXð·ÁÊÈ
[ÍsvÅ·BȺÈçA»êçÍSÌIÈ}XJ[fBOÌ[
ÉæÁÄÜ©ÈíêÄ¢é©çÅ·B
Ó - IPFWADM ÆáÁÄAIPCHAINS ÍC^tF[X¼ðwè·éû@ªê
µ© èܹñB IPCHAINS Í "-i eth0" Ìæ¤ÉwèµÜ·ªA
IPFWADM ÅÍ "-W"ÅC^tF[X¼ðwèµAܽ "-V" ÅC^tF[
XÌIPAhXðwèµÜ·B
6.6. ¡Ìàlbg[NÖÌ IP }XJ[h
¡Ìàlbg[NðÂêÌ}XJ[hÍ©ÈèPÅ·Bܸm
F·é±ÆÍASÄÌ (àÆO¼ûÌ) lbg[Nª³µ®ìµÄ¢
é±ÆÅ·B»ê©çA¼ûÌàC^tF[XÉ¢ÄC^[lbgÆ
¼ÌàC^tF[XÉεÄ}XJ[hµÄgtBbNð·éæ
¤ÉÝèµÜ·B
±¢ÄAàC^tF[XÉ¢ÄA}XJ[hðµܷB±ÌáÅ
ÍASÅRÂÌC^tF[Xðg¢Ü· - eth0 ÍC^[lbgÖÌÚ
±ðs¤OC^tF[XA eth1 Í 192.168.0.0 Ìlbg[NA»µ
Ä eth2 Í 192.168.1.0 Ìlbg[NÅ·B rc.firewall [ZbgÅ
ÌAù¶Ì}XJ[hðµĢésÌãÉAÌæ¤ÈàeðÇÁµÜ
· -
o IPCHAINS ªpÂ\È 2.2.x nJ[lÌê
# àÌC^tF[XÌÔÅÌÝÌÊMð·é
/sbin/ipchains -A forward -i eth1 -d 192.168.0.0/24
/sbin/ipchains -A forward -i eth2 -d 192.168.1.0/24
# C^[lbgÉηé}XJ[h³ê½ÊMð·é
/sbin/ipchains -A forward -j MASQ -i eth0 -s 192.168.0.0/24 -d 0.0.0.0/0
/sbin/ipchains -A forward -j MASQ -i eth0 -s 192.168.1.0/24 -d 0.0.0.0/0
o IPFWADM ªpÂ\È 2.0.x nJ[lÌê
# àÌC^tF[XÌÔÅÌÝÌÊMð·é
/sbin/ipfwadm -F -a accept -V 192.168.0.1 -D 192.168.1.0/24
/sbin/ipfwadm -F -a accept -V 192.168.1.1 -D 192.168.0.0/24
# C^[lbgÉηé}XJ[h³ê½ÊMð·é
/sbin/ipfwadm -F -a masq -W eth0 -S 192.168.0.0/24 -D 0.0.0.0/0
/sbin/ipfwadm -F -a masq -W eth0 -S 192.168.1.0/24 -D 0.0.0.0/0
eth0 ª¡ñwè³êéÌÍAãÌáÅÍÔá¢ÅÍÈ¢±ÆÉÓµÄ
¾³¢BLinux J[lÍÇÌC^tF[XªogtBbNÉεÄg
íêéÌ©ðméKvª é©çÅ·BãÌáÅ eth0 ÍC^[lbgÉÎ
·éڱ̽ßÌàÌÅA»ê¼êÌàC^tF[XÉ¢Äwè³êÄ
¢Ü·B
6.7. If}hE_CAAbvÚ±ÅÌ IP }XJ[h
1. C^[lbgÉηé_CAAbvÉ©®IÉlbg[NÌÝè
ðs¢½¢ÆvíêéÈçA Diald f}hE_CAAbvET[rX
vO©AVµ¢o[WÌ PPPd pbP[WªñíÉð§ÂÅ
µå¤BDiald Íæèãk§ÈÝèªÅ«éÌŨ©ßÅ·B
2. Diald ðÝè·éÉÍ Setting Up Diald for Linux Page
<http://home.pacific.net.sg/~harish/diald.config.html> â TrinityOS
- Section 23 <http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> ðQƵÄÝľ³¢B
3. Diald Æ IP }XJ[hªKØÉÝè³êêÎA}XJ[h³ê½}
V©çÌ Web QÆâ telnet, ftp Æ¢Á½ZbVªJn³ê½
_ÅALinux {bNXÍ®IÉC^[lbgÖÌÚ±ðÀs·éæ¤É
ÈèÜ·B
4. ÅÌÚ±ÍA^CAEgª¶·éŵå¤B±êÍAiOf
ðgÁÄ¢éêAð¯çêÈ¢±ÆÅ·BNCAgÌvO
(Web uEUÈÇ) ÉÆÁÄÝêÎA PPPÚ±ÆfÌNðm§·
é½ßÉÔªæçêé±ÆÉÈèÜ·Bµ©µA±êÍêÊIȱÆÅ
Í èܹñBàµA±Ìæ¤ÈªN±Á½çA (Web y[WÌQÆÈ
ÇÌ) C^[lbgÉηégtBbNNGXgªÄx¶µ½Æ
«ÉÄx¯¶ðJèԵĤܮì·éŵå¤BܽAJ[lI
vVÌ echo "1" > /proc/sys/net/ipv4/ip_dynaddr ÌÀsÍAÚ±
̱ÌúÝèðx·é½ßÌàÌÅ·B
6.8. IPPORTFW, IPMASQADM, IPAUTOFW, REDIR, UDPRED, yѻ̼Ì|[g
]c[
IPPORTFW, IPAUTOFW, REDIR, UDPRED ÌvOÍ Linux Ì IP }XJ
[hÅgp³êéÄpIÈ TCP Æ UDP |[gÌ]̽ßÉgíêéc[
Å·B±êçÌc[ÍêÊIÉ FTP â Quake pÉì¬³ê½ IP }XJ
[hpÌW
[ÌãíèÉg¤±ÆªÅ«Ü·B±êç|[gtH[
_ÉæÁÄAC^[lbg©ç IP }XJ[hT[o̳Ůì·év
Cx[gAhXÉzu³ê½}VÉü©ÁÄçêéf[^Ú±ð_C
Ng·é±ÆªÅ«Ü·B]@\ÍA TELNET, WWW, SMTP, FTP (ãq·
éÁÊÈpb`ªKvÅ·), ICQ âA»Ì¼½ÌàÌðÜñŢܷB
Ó - IP }XJ[hðºíÈ¢PÈ|[g]ð¨ßÅàALinux Ì
IP ]c[ðg¤ÉÍAJ[lÆ IPFWADM © IPCHAINS ¢¸ê©Éæé
[ZbgªKvÅ·B
ÅÍȺÙÈéIðªôÂà éÌŵ天? IPAUTOFW, REDIR »êÉ
UDPRED (±êçÖÌ URL Í ``2.0.x J[lÌKvð'' ÌÍÉLÚµÄ
èÜ·) ÈÇÍAIP }XJ[hðg¤[UÉÆÁÄA±êçÌ@\ð
ñ·éÅÌc[Þŵ½B»ÌãA Linux Ì IP }XJ[h@\ª
¬n·éÉÂêÄA±êçÌc[Í IPPORTFW Æ¢¤AàÁÆxÈðû
@ÉÆÁÄãíçêéæ¤ÉÈèܵ½BæèVµ¢c[ÌoêÉæÁ
ÄAIPAUTOFW â REDIR Æ¢¤Ã¢c[Ì[UÍå¢É_³¹çêé±
ÆÉÈèܵ½BÆ¢¤ÌàA±êçÌc[Í Linux J[lÉεÄA
©g̶ÝðKØÉÊm·é±ÆÈ®¢Ä¢éÌÅA×Ì©©éæ¤Èó
µÅÍ Linux T[oðNbV
³¹ÄµÜ¤æ¤È±Æ·ç Á½©çÅ
·B MFW Æ¢¤ÅVÌû@à èÜ·B MFW ÌÅàå«È_ÍAIPCHAINS
c[ÆÌ¢«Å·B±Ìû@ÅÍAIPCHAINS [ZbgÍÁèÌ
pPbgÉεÄóðt¯AKØÈ]ðs¤½ßÌ[ðñ·é½ßÉ
gíêÜ·B¡ÌƱëA±êÉ¢ÄÍ±Ì HOWTO ÅÍq×ĢܹñB
Ó #2 - 2.2.x nJ[lɨ¯é PORTFW ÅÍAlbg[NàÌ}V
©çAC^[lbgãÉ élbg[NOÌ}VÉηéANZX
ɯ¶|[g]³ê½ IP AhXðg¤±ÆªÅ«Ü·ªAlbg[N
à̼Ì}VÉεÄÍg¦Ü¹ñBàµA±êª ȽÌêÉY·
éÈçAlbg[NàÌT[oÖÌ_CNgðs¤½ßÉ REDIR |
[g]c[ðµÄÝľ³¢BãÉq×é ``'' c[Zbgðg¤
ÌàÇ¢l¦¾Æv¢Ü·BȺà/OÌ]ª®©È¢Ì©ÌZpIà
¾É¢ÄÍA2.2.x nJ[lÌ PORTFW ÉÖ·éÍÌÅãÉ é Juan É
æéßð²¾³¢B
Ó #3 - àÌ}XJ[h³ê½ FTP T[oÉηégtBbNÌ]
Í PORTFW FTP ƵÄmçêĢܷªA»Ý 2.0.x nÆ 2.2.x nÌ¢¸
êÌJ[lÅàñ³êéæ¤ÉÈèܵ½B»óÅÍå¬Ì Linux J[
lÅÍT|[g³êĢܹñªAJ[lÉpb`ðKp·é©AO
FTP vLVT[oÉæÁÄÂ\ÆÈèÜ·BJ[lW
[R[hÍÜ
¾À±ÅAPASSIVE Ú±æèÍ ACTIVE FTP ZbVÉæéÚ±ÌÙ¤ª
ÇDÈÊÆÈéêà éæ¤Å·B»¡[¢±ÆÉAtÌUé¢Å®
P[Xà éæ¤Å·B ȽÌêÌʪǤ¾Á½©½¿É³¦Ä
¾³¢B±ÌÉ¢ÄAÈ~Ì2.0.x n yÑ 2.2.x n»ê¼êÌÍÉÊÈ
pb`ðp¢½ðû@ªÚ×Éq×çêĢܷB
2.0.x nJ[lÌ IPPORTFW ÅàA 2.2.x nJ[lÌ IPPORTFW T|[
gÌ é IPMASQADM ðg¤êÅàAlbg[NZL
eBÉÖ·él
¶Í»êçÌ|[gtH[_gÝÝÌOÉKvÅ·BȺÈçA±êçÌ
c[Íî{IÉÍ]³ê½ TCP/UDP |[gÉ¢ÄAt@CAEH[
ãÉZL
eBãÌðìé½ßÌà̾©çÅ·B±êÍA ȽÌ
Linux }Vyó: t@CAEI[©gzÉεÄíQðyÚ·±ÆÍ
èܹñªAgtBbNª]³êéæÌà}VÉεÄe¿ð¨æÚ
µÜ·BÆÍ¢¦A»ñÈÉSzµÈ¢Å¾³¢B±êÍ Steven Clarke
(IPPORTFW ÌìÒ) ªÓ𣷽ßÉq×ȯêÎÈçÈ©Á½AȺÌæ
¤ÈêÅ· -
u|[g]ÍAIPFWADM â IPCHAINS [Ìà©çÌÝÄÑo³êéæ¤ÉìçêĨèA
IP }XJ[hÍAIP tH[fBOÌêíÌg£Æ©È³êéB
µ©µÈªçA IPPORTFW Í IPFWADM [ZbgÌ
yÑo}XJ[h[ÉK·é
pPbg¾¯É¢ÄAæ赤æ¤ÉÈÁÄ¢éBv
±±Åq×Ä¢éÌÍAÅÈt@CAEI[[ZbgÌKv«ÈÌÅ
·BÅÈ[ZbgÉ¢ÄÍ ``¢ IPFWADM Ì[Zbg'' Æ
``¢ IPCHAINS Ì[Zbg'' ðQƵÄÝľ³¢B
Å·©çA IPPORTFW Éæé]T|[gð 2.2.x Ü½Í 2.0.x nÌJ[l
ÉCXg[·é½ßÉÍAIPPORTFW ðpÅ«éæ¤É Linux J[l
ðÄRpCµÈ¯êÎÈèܹñB
o 2.2.x nJ[lð¨g¢ÌûÍA·ÅÉ IPPORTFW J[lIvV
ðA IPMASQADMðʶÄg¤½ßÌèÅwèµÄ¢é͸ŷB
o 2.0.x nJ[lð¨g¢ÌûÍAPÈJ[lIvVÌpb`ð
Kp·éKvª èÜ·B
6.8.1. 2.2.x nJ[lÅÌAIPPORTFW T|[g« IPMASQADM
ܸÅÉAÅVÌ 2.2.x J[lyó: |ó_ÅÍ 2.2.19 ŵ½z
ð /usr/src/linuxfBNgÉWJµÜ·Bܾ±ÌèðâÁĢȢ
ûÍA ``J[lÌRpC'' ÌÍÌÚ×ðQƵľ³¢B±¢
ÄA"ipmasqadm.c" vOð ``2.2.x J[lÌKvð'' Éq×Ä¢
éû@Å_E[hµÄüèµA /usr/src/ fBNgÉu«Ü·B
ø«±¢ÄA 2.2.x nJ[lð ``J[lÌRpC'' ÌÍɦ³ê
Ä¢éæ¤ÉRpCµÜ·BJ[lÌIvVðÝè·éÛ
ÉAIPPORTFW IvVÉÍ YES ðwèµÄ¾³¢BJ[lªRpC
Å«AÄN®ðmFµ½çAÄѱÌÍÉßÁÄà¾Ì±«ðÇñž³
¢B
ÅÍA IPMASQADM c[ÌRpCÆCXg[ðs¢Ü· -
cd /usr/src
tar xzvf ipmasqadm-x.tgz
cd ipmasqadm-x
make
make install
³ÄAáƵı±ÅA ȽÌC^[lbgãÌ TCP/IP AhXÉη
éSÄÌ WWW C^[lbggtBbN (|[g80) ðAàÌ}XJ
[h³ê½}VÌ IP AhXA 192.168.0.10 Éü¯éêðæèã°Ü
·B
PORTFW FTP - ±êÉ¢ÄÍæÉྵ½æ¤ÉA FTP T[oÉηélb
g[NàÌ}XJ[h³ê½}VÖÌ]Í 2ÂÌû@ª èÜ·B
ÅÌû@Íܾx[^xÅ·ªAàÉ é}XJ[h³ê½ FTP
T[oÖA FTP Ú±ð|[g]·é 2.2.x J[lpÌ IP_MASQ_FTP
W
[ðg¤±ÆÅ·Bà¤êÂÌû@ÍA FTP vLVvO (
``2.2.x J[lÌKvð'' ÌÍÉ URL ðLÚµÄ èÜ·) Å·B FTP
J[lW
[É¢ÄÍA IP_MASQ_FTP W
[ðA[hµ½
èÄ[h·é±ÆȵÉA PORTFW Ì FTP |[gð®IÉÇÁ·é±Æª
Å«Ü·ªA±êÍ»Ì_ŶݵĢé¼Ì FTP ]ð³øɵĵÜ
¢Ü·B±ÌVµ¢R[hÌÚ×É¢ÄÍA IP }XJ[hÌ web TC
g <http://ipmasq.cjb.net/> ð²¾³¢BܽA 2.0.x nJ[lÌ
ÍÉA|[g]³ê½ FTP Ú±ÉÖ·éáÆá±Ìîñª èÜ·B
Ó - |[g]ð|[g 80 ÅLøɵ½ÈçA»êÈ~Í IP }XJ
[hT[oÅ»Ì|[gðg¤±ÆÍÅ«ÈÈèÜ·BÂÜèA}XJ[
hT[oãÅ·ÅÉ Web T[o𮩵Ģ½êÍA|[g]ÉæÁ
ÄA·×ÄÌC^[lbg©çÌ Web ANZXÍ IP }XJ[hT[o
Ìy[WÅÍÈAàÌ Web T[oÉεÄUèü¯çêĵܤÌÅ
·B
¢¸êɹæA|[g]ðLøÉ·éÉÍA /etc/rc.d/rc.firewall Ì
[Zbg𫷦ȯê΢¯Ü¹ñBȺÌæ¤ÈsðÇÁµÜ·
ªA"$extip" ÌªÍ È½ÌC^[lbgÉöJ·é IP AhXðw
è·éæ¤É«·¦Ä¾³¢B
Ó - àµAPPP, ADSL, P[ufÈÇÉæè ISP ©ç®IÈ TCP/IP
AhXðèÄçêÄ¢éêÍA /etc/rc.d/rc.firewall [Zb
gðàÁÆCeWFgÉ쬷éKvª èÜ·B»Ì½ßÌîñÍA
OoÌ ``¢ IPCHAINS Ì[Zbg'' ÌÍ© TrinityOS - Section 10
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> ÉÅÈ[Zbgð®IÈ IP AhX«Åì
¬·éÚתq×çêĢܷB±±ÅÍqg¾¯ - PPPÌ êÍ
/etc/PPP/ip-up Å·B
/etc/rc.d/rc.firewall
--
#echo "IPPORTFW Éæé_CNVðO LAN ÉKp.."
#
/usr/sbin/ipmasqadm portfw -f
/usr/sbin/ipmasqadm portfw -a -P tcp -L $extip 80 -R 192.168.0.10 80
--
±ê¾¯Å·I /etc/rc.d/rc.firewall [ZbgðÄxÀsµÄeXg
µÄÝľ³¢B
àµA"ipchains: setsockopt failed: Protocol not available" Æ¢¤G
[bZ[Wðó¯æÁĵÜÁ½çA ȽÍܾVµ¢J[lð®ìÅ
«Ä¢Ü¹ñBVµ¢J[lð³µgÝñ¾±ÆðmFµA LILO ðÄ
xÀsµAÄN®µÄÝľ³¢BàµAVµ¢J[lª®¢Ä¢é̪
mÀÈçÎA "ls /proc/net/ip_masq" R}hðÀsµÄA "portfw" t@
Cª¶ÝµÄ¢é©mFµÄ¾³¢B±êª³¢ÈçAJ[lÌ\zÅ
ÈÉ©G[ªoÄ¢é͸ŷÌÅA»±©çà¤êxâ輵ľ³
¢B
Ⱥ PORTFW ªOÆàÌC^tF[XÌoûÅgtBbNð_C
NgūȢ̩𵽢û̽ßÉA Juanjo yó: IP_MASQ_FTP
W
[ÌìÒz©çÌ[ð±±Å¨©¹µÜ·BÞÍàÁƤÜà¾
µÄêĢܷ -
______________________________________________________________________
From Juanjo Ciarlante
--
>Ìæ¤Èê -
>
>ipmasqadm portfw -a -P tcp -L 1.2.3.4 80 -R 192.168.2.3 80
>
>O©çÌÚ±ÍâèÈ®¯êÇAà©ç¯¶ 1.2.3.4 Éηé
>Ú±v͸sµÜ·B
>[JlbgÌ 192.168.2.0 ©ç www.periapt.com ÖÌANZXðA
>vLVȵÅ·éæ¤È`FCðpÓ·é±ÆÍÅ«Ü·©?
ÀÛÌƱëÅ«È¢ËB
åTAlÍ ipmasqadm [ðOÌ×ÉÝèµA*»µÄ*
|[g_CN^ðà̽ßÉÝèµÄ¢éñ¾B
_CNVÌOÉ ipmasqadm ÌtbNª é©çA±ÌtbNÍO
©çÌڱ̶ð¨¦éB
_¾¯Ç_ »¤ÅÈ¢êÍA½àµÈ¢ÅfʵµÄµÜ¤(ÂÜèAKÈ
[ÌKpªsíêé)B
ÀÛA"TOIÈ"âèÍA^ÌNCAg (sA) Ì IP pPbgÌ
BæªA ( 誽¢±ÆÉ}XJ[hÉæÁÄ) ÚIÌT[oƵÄ
¯¶lbg[NɶݵĢé±ÆÉNö·éB
¸s·é"[JÈ}XJ[h"Æ¢¤ÌÍÌæ¤Èê -
NCAg: 192.168.2.100
}XJ[h: 192.168.2.1
T[o: 192.168.2.10
1)NCAg©çT[oÖÌpPbg
a) NCAg: 192.168.2.100:1025 -> 192.168.2.1:80 [SYN]
b) (}XJ[h): 192.168.2.100:1025 -> 192.168.2.10:80 [SYN]
(»µÄA 192.168.2.1:61000 Æ 192.168.2.100:1025 ª
ÖAïçêÄL¯³êé)
c) T[o: }XJ[h³ê½pPbgðó¯é (1b)
2)T[o©çNCAgÖÌpPbg
a) T[o: 192.168.2.10:80 -> 192.168.2.100:1025 [SYN,ACK]
b) NCAg: 192.168.2.100:1025 -> 192.168.2.10:80 [RST]
³ A (1a) Æ (2a) ðä×IJçñB
©ÄÌÊèA¯¶lbg[Nɶݷéà̯m¾ÆAT[oÍ
}XJ[hðÊç¸É¼ÚNCAgÉü¯Ä·éñ¾B
(T[oª}XJ[hÉpPbgìð³Éß³¹éæ¤È±Æ͵Ȣ)
¾©çANCAgÍÚ±ðZbgµÄµÜ¤B
±êªðɧÂƤ굢æB
æëµ
Juanjo
______________________________________________________________________
6.8.2. 2.0.x nJ[lÅÌ IPPORTFW
ÅÉA/usr/src/linux fBNgÉÅVÌ 2.0.x nJ[lª é±Æ
ðmFµÄ¾³¢Bܾ¾Á½êÌÚ×É¢ÄÍA ``J[lÌR
pC'' ÌÍðQƵľ³¢B±¢ÄA "ipportfw.c" vOÆ
"subs-patch-x.gz" J[lpb`ð ``2.0.x J[lÌKvð'' ÌÍð
QƵÄüèµA /usr/src/ fBNgÉu«Ü·B
Ó - "subs-patch-x.gz" Ì "x" ÍTCgÅüèÅ«éÅVÌo[WÔ
ÉÇÝ֦ľ³¢B
ÉAàT[oÖÌ FTP gtBbNÌ|[g]ðl¦Ä¢éÈçA
``2.0.x J[lÌKvð'' ÌÍÉ éAVµ¢ IP_MASQ_FTP W
[
Ìpb`ðüèµÄ¾³¢B±êÍ2.2.x nJ[lÆÍá¤pb`ÅA®
IÉ FTP |[gðèÄé@\ÈÇÍñ³êĢȢ±ÆɲӾ
³¢B
»ê©çAIPPORTFW pb`(subs-patch-x.gz)ð Linux fBNgÉRs
[µÜ·B
cp /usr/src/subs-patch-1.37.gz /usr/src/linux
ÂâÄAIPPORTFW J[lIvVðìé½ßÉpb`ðKpµÜ·B
cd /usr/src/linux
zcat subs-patch-1.3x.gz | patch -p1
æëµ¢B ``J[lÌRpC'' ÌÍɦ³êÄ¢éæ¤ÉAJ[l
ðRpCµÜµå¤BJ[lÌ\¬ÉLøÉÈÁ½ IPPORTFW Iv
Vð±±ÅÍ YES ÉÝèµÄ¾³¢BRpCª®¹µAÄN®µ
½ÈçA±ÌÍÌà¾ð±¯Ü·B
VµRpC³ê½J[lðgÁÄAÀÛÌ"IPPORTFW" vOð
CXg[µÜ·B
cd /usr/src
gcc ipportfw.c -o ipportfw
mv ipportfw /usr/local/sbin
³ÄA±ÌáÅÍ È½ÌC^[lbgãÌ TCP/IP AhXÉηéSÄ
Ì WWW C^[lbggtBbN (|[g80) ðàÌ}XJ[h³ê
½}VÌ IP AhXA 192.168.0.10 Éü¯éêðæèã°Ü·B
Ó - |[g 80 Å|[g]ðLøÉ·éÆA Linux IP }XJ[hT
[o©çÍ»Ì|[gÍg¦ÈÈèÜ·BÂÜèAàµ\ß}XJ[hT
[oãÅ WWW T[oª®ìµÄ¢½ÆµÄA»ÌT[oÅàÌ}XJ[
h³ê½Rs
[^ÖÌ|[g 80 ÅÌ]ðsÁ½ÈçÎASÄÌC^
[lbgãÌ[UÍ}XJ[hT[oãÌy[WÅÍÈA-àÌ- WWW
T[oãÌy[Wð©é±ÆÉÈèÜ·B±êðñð·é½ßÌBêÌû@
ÍA½Æ¦Î 8080 Ìæ¤ÈÊÈ|[gÅ]ð©¯é±ÆÅ·B±êÅ®ì
ÍÅ«Ü·ªAàÌ}XJ[h³ê½ WWW T[oÉηéANZXÉÎ
µÄASÄÌC^[lbgãÌ[UÍ :8080 Æ¢¤¶ð URL ÉÇÁµ
ȯêÎÈèܹñB
¢¸êɹæA|[g]ðLøÉ·éÉÍA/etc/rc.d/rc.firewall [
ZbgðÒWµÈ¯êÎÈèܹñB»µÄAÌæ¤ÈsðÇÁµ
"$extip" Æ¢¤¶ñð ȽÌC^[lbgãÌ IP AhXÉu«·
¦È¯êÎÈèܹñB
Ó - àµA PPP â ADSL â P[ufÈÇÌæ¤È`Å ISP ©ç
®IÈ IP AhXèÄðó¯Ä¢éÈçÎA /etc/rc.d/rc.firewall
[ZbgÍàÁÆmIÉ®ì·éæ¤ì¬µÈ¯êÎÈèܹñB»Ì½
ßÉÍAùoÌ ``¢ IPCHAINS Ì[Zbg'' ÌÍ©A TrinityOS -
Section 10 <http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> ðQƵÄAÅÈ[Æ®IÈ IP AhXè
ÄÉÖ·éîñðQƵľ³¢B±±ÅÍ¿åÁƵ½qg¾¯ð -
PPP [UÅÍ /etc/ppp/ip-up Å·B
/etc/rc.d/rc.firewall
--
#echo "IPPORTFW Éæé_CNVðO LAN É¢ÄLøÉ .."
#
/usr/local/sbin/ipportfw -C
/usr/local/sbin/ipportfw -A -t$extip/80 -R 192.168.0.10/80
# |[g 20 Éηé|[g]Í®ìÌÚ±ÉεÄÍsvÅ·B
# àÉ é FTP T[oÍ|[g 20 ÔÅÌÚ±ðJnµÄAù¶ÌâèûÅÌ
# }XJ[h³ê½Rs
[^ðæ赤±ÆªÅ«Ü·B
--
±ê¾¯Å·I /etc/rc.d/rc.firewall [ZbgðÄx®©µÄeXg
µÜµå¤I
àµàA"ipfwadm: setsockopt failed: Protocol not available" Æ¢¤G
[bZ[WªoĵÜÁ½êÍA ȽÍܾVµ¢J[lð®ì³
¹Ä¢È¢±ÆÉÈèÜ·BVµ¢J[lt@CðKØÈêÉÚ®³¹
ÄALILO R}hðÄÀsµAVXeðÄN®³¹Ä¾³¢B
FTP T[oÉηé|[g] -
àµàlbg[Nɶݷé FTP T[oÖÌ|[g]ðl¦Ä¢éÈ
çAÔÍæè¡GÉÈèÜ·BÆ¢¤ÌàAWIÈ IP_MASQ_FTP J[l
W
[ͱÌæ¤È®ì̽ßÉÍìçêĢȢÉàÖç¸A½l©
Ì[U©çÍâèÈ®¢Ä¢éÆ¢¤ñª é©çÅ·BÌm马
èApb`ð ÄÈ¢óÔÅÍ 30 ªðz¦é]Ôðv·éêɨ¢Ä
ÍAâèªÈ¢Æ¾ÁÄ¢é[UÅà]͸s·éÆv¢Ü·BÇ¿çÉ
¹æAù¶Ì ip_masq_ftp W
[ðgÁ½Ìæ¤È|[g]Ìû@
ðÝÄA ȽÌ«Ů©Ç¤©m©ßÄ©é±Æð¨EߵܷBà
µ»êª®©È¢ÈçÎAüÇ³ê½ ip_masq_ftp W
[ðµÜµå
¤B
Fred Viles Í|[g]ª®ì·éæ¤Éüǵ½ IP_MASQ_FTP W
[
ðA»êçðKvÆ·é[U̽ßÉ쬵ĢܷB±ÌW
[ªg
¦é©Ç¤©ð²×½¢ÈçAÌA[JCuð_E[hµÄÝľ³
¢BFred Ì쬵½¶ÅÍÚ×Éq×çêĢܷBܽA±Ìpb`Í
ÜÅÀ±IÈàÌÈÌÅ»ÌÂàèŵÁľ³¢B³çÉA2.0 nJ
[l©ç 2.2 nJ[lÜÅ̢©Ìpb`µ©¶ÝµÄ¢Ü¹ñB
³ÄA2.0 nJ[lpÌpb`𮩷½ßÉÍA̪KvÅ· -
o ±ÌÍÌÅÉྵ½æ¤ÉAIPPORTFW J[lpb`ðKpµÜ·B
o "msqsrv-patch-36" pb`ð ``2.0.x J[lÌKvð'' ÌÍÉ é
Fred Viles Ì FTP T[o©çæÁÄ«ÄA/usr/src/linux Éu«Ü·B
o "cat msqsrv-patch-36 | patch -p1" ðÀsµÄAVµ¢R[hðJ[l
ÉKpµÜ·B
o ÂâÄAIWiÌ "ip_masq_ftp.c" J[lW
[ðVµ¢à
ÌÉu«·¦Ü·B
o mv /usr/src/linux/net/ipv4/ip_masq_ftp.c
/usr/src/linux/net/ipv4/ip_masq_ftp.c.orig
o mv /usr/src/linux/ip_masq_ftp.c
/usr/src/linux/net/ipv4/ip_masq_ftp.c
o ÅãÉAVµ¢R[hðÜñ¾J[lðrhµÄCXg[µÜ
·B
±ÌìÆðI¦Ä©çA/etc/rc.d/rc.firewall [ZbgðÒWµÄA
Ìæ¤ÈsðÇÁµÜ·ªA"$extip"̪ÍO IP AhXÆÈéæ¤É
ӵľ³¢B
±ÌáÅÍAæöÌæ¤ÉC^[lbg©ç È½Ì TCP/IP AhXÉÎ
·é FTP (|[gÔ 21) ÌÚ±vÍAàÉ é IP AhX
192.168.0.10 É é}XJ[h³ê½Rs
[^É]³êÜ·B
Ó - êU|[g 21 Å|[g]ðLøÉ·éÆA±Ì|[gÍ IP }X
J[hT[o©çÍg¦ÈÈèÜ·BÂÜèA FTP T[oª 究ß
}XJ[hT[oÅ®ìµÄ¢½Æµ½çA|[g]Í·×ÄÌC^[
lbg©çÌÚ±ÉεÄÍA}XJ[hT[oÅÍÈàÌ FTP T[
oÖÌÚ±ðñ·é±ÆÉÈèÜ·B
/etc/rc.d/rc.firewall
--
#echo "IPPORTFW Éæé_CNVðO LAN É¢ÄLøÉ .."
#
/usr/local/sbin/ipportfw -C
/usr/local/sbin/ipportfw -A -t$extip/21 -R 192.168.0.10/21
#Ó - ൠȽª¡Ì[JÈ|[gÔðgÁÄ¢Ä|[g]ð
# ¡Ì FTP T[o(½Æ¦Î 21,2121,2112ÈÇ)ÉεÄs¢½¢Èç
# ip_masq_ftp W
[ð¡Ì|[gÉεÄX·éæ¤ÉÝè
# µÈ¯êÎÈèܹñB»Ì½ßÉÍA½Æ¦ÎA
# /etc/rc.d/rc.firewall Ìàeð
#
# /sbin/modprobe ip_masq_ftp ports=21,2121,2112
#
# Ìæ¤ÉµA±êªLøÆÈéæ¤É /etc/rc.d/rc.firewall XNvgð
# ÄxÀsµÈ¯êÎÈèܹñB
# |[g 20 Éηé|[g]Í®ìÌÚ±ÉεÄͨ»çsvÅ·B
# àÉ é FTP T[oÍ|[g 20 ÔÅÌÚ±ðJnµÄAù¶ÌâèûÅÌ
# }XJ[h³ê½Rs
[^ðæ赤±ÆªÅ«Ü·B
--
±ê¾¯Å·! /etc/rc.d/rc.firewall [ZbgðÄx®©µÄeXgµ
ܵå¤!
àµàA"ipfwadm: setsockopt failed: Protocol not available" Æ¢¤G
[bZ[WªoĵÜÁ½êÍA ȽÍܾVµ¢J[lð®ì³
¹Ä¢È¢±ÆÉÈèÜ·BVµ¢J[lt@CðKØÈêÉÚ®³¹
ÄALILO R}hðÄÀsµAVXeðÄN®³¹Ä¾³¢BVµ¢J
[l𮩵ĢéÂàèÈÌÉA±ÌG[ªo½êÍA "ls
/proc/net" ðÀsµÄ "ip_portfw" t@Cª¶Ý·é©Ç¤©mFµÄ
¾³¢B±êª¶ÝµÈ¢êÍAJ[lÌ\¬ÉG[ªoÄ¢é͸
Å·Bà¤êxâ輵ܵå¤B
6.9. CU-SeeMe Æ Linux Ì IP }XJ[h
Linux ÅÌ IP }XJ[hÅÍ "ip_masq_cuseeme" J[lW
[ð
g¤±ÆÉæÁÄ CuSeeme ðT|[gµÄ¢Ü·B±ÌJ[lW
[
ÍA /etc/rc.d/rc.firewall XNvgÅÇݱÜêȯêÎÈèܹñB
"ip_masq_cuseeme" W
[ªÇÝÜêéÆA[gÌtN^yó
: CU-SeeMeÌT[o̱Æzâ[UÆÌÔÅÚ±ðs¤±ÆªÅ«Ü·B
Ó - CuSeeme ðgp·éêÍAIPAUTOFW æè IPPORTFW c[ðg¢Ü
µå¤B
ൠCuSeeMe ÉεÄव¾mÈîñªKvÈçÎA Michael Owings's
CuSeeMe page <http://www.swampgas.com/vc/ipmcus.htm> É é Mini-HOWTO
© IP }XJ[hÌîñ¹ É~[³ê½àeð©Ä¾³¢B
6.10. ~rXÐÌ ICQ
Linux Ì}XJ[hT[oÌwãÅ ICQ 𮩷æ¤É·é½ßÌû@Í
ñ èÜ·BêÂÌû@ÍAICQ Ì}XJ[hW
[ðg¤±ÆÅA
à¤êÂÍ IPPORTFW ðg¤±ÆÅ·B
ICQ }XJ[hW
[É͢©Ì_ª èÜ·B±ÌW
[
Í¡Ì ICQ [UÉεÄàPÈÝèÅ®ìµÜ·Bܽ ICQ NCA
gvOÉεÄÈñçÁÊÈÏXðÁ¦éKvª èܹñBÅßÅ
Í ±ÌW
[Ìo[W 2.2 nJ[lÖÌAbvf[gÅÍt@C
]âA^C`bgàT|[g·éæ¤ÉÈèܵ½Bµ©
µA2.0 nJ[lÅÍt@C]âA^C`bgÍ®SÉÍT|
[g³êĢܹñBÆà©A2.2 nJ[lÌãÅ IP }XJ[hð
sÁÄ ICQ 𮩷æ¤Éµ½Ù¤ª¢¢¾ë¤ÆÍv¢Ü·B
IPPORTFW ðÝè·éêALinux Æ ICQ NCAgÉ뵀 ICQ bZ
[WOA URLA`bgAt@C]ÈÇÈÇðÏXµÈ¯êÎÈèܹ
ñB
àµA Andrew Deryabin Ì djsf@usa.net 2.2 nJ[lü¯ ICQ IP }X
J[hW
[ÉÖSª éÈçA ``2.2.x J[lÌKvð'' ÌÍ
ÉÚµ¢à¾ª èÜ·B
}XJ[hT[oÌàÅ ICQ 𮩷½ßÉÃTIÈû@ðæè½¢ê
ÍAÌæ¤Èû@Ås¢Ü· -
o ܸÅÉAIPPPORTFW ðLøɵ½óÔÅJ[lð®ì³¹Ü·B
``tH[_ (|[g]c[)'' ÌÍðQƵľ³¢B
o ±¢ÄA/etc/rc.d/rc.firewall t@CÉÌæ¤ÈLqðÇÁµÜ
·B±ÌáÅÍA10.1.2.3 ÍOÌ IP AhXÅAàÌRs
[^Ì IP AhXÍ 192.168.0.10 Å éƼèµÄ¢Ü·B
ºLÍAIPFWADM Éæé 2.0 nJ[l̽ßÌáÅ·B
±±ÅñÂÌáð °Ä¨«Üµ½BÇ¿çàâèÈ®ìµÜ·B
á»Ì 1
--
/usr/local/sbin/ipportfw -A -t10.1.2.3/2000 -R 192.168.0.10/2000
/usr/local/sbin/ipportfw -A -t10.1.2.3/2001 -R 192.168.0.10/2001
/usr/local/sbin/ipportfw -A -t10.1.2.3/2002 -R 192.168.0.10/2002
/usr/local/sbin/ipportfw -A -t10.1.2.3/2003 -R 192.168.0.10/2003
/usr/local/sbin/ipportfw -A -t10.1.2.3/2004 -R 192.168.0.10/2004
/usr/local/sbin/ipportfw -A -t10.1.2.3/2005 -R 192.168.0.10/2005
/usr/local/sbin/ipportfw -A -t10.1.2.3/2006 -R 192.168.0.10/2006
/usr/local/sbin/ipportfw -A -t10.1.2.3/2007 -R 192.168.0.10/2007
/usr/local/sbin/ipportfw -A -t10.1.2.3/2008 -R 192.168.0.10/2008
/usr/local/sbin/ipportfw -A -t10.1.2.3/2009 -R 192.168.0.10/2009
/usr/local/sbin/ipportfw -A -t10.1.2.3/2010 -R 192.168.0.10/2010
/usr/local/sbin/ipportfw -A -t10.1.2.3/2011 -R 192.168.0.10/2011
/usr/local/sbin/ipportfw -A -t10.1.2.3/2012 -R 192.168.0.10/2012
/usr/local/sbin/ipportfw -A -t10.1.2.3/2013 -R 192.168.0.10/2013
/usr/local/sbin/ipportfw -A -t10.1.2.3/2014 -R 192.168.0.10/2014
/usr/local/sbin/ipportfw -A -t10.1.2.3/2015 -R 192.168.0.10/2015
/usr/local/sbin/ipportfw -A -t10.1.2.3/2016 -R 192.168.0.10/2016
/usr/local/sbin/ipportfw -A -t10.1.2.3/2017 -R 192.168.0.10/2017
/usr/local/sbin/ipportfw -A -t10.1.2.3/2018 -R 192.168.0.10/2018
/usr/local/sbin/ipportfw -A -t10.1.2.3/2019 -R 192.168.0.10/2019
/usr/local/sbin/ipportfw -A -t10.1.2.3/2020 -R 192.168.0.10/2020
--
á»Ì 2
--
port=2000
while [ $port -le 2020 ]
do
/usr/local/sbin/ipportfw -A t10.1.2.3/$port -R 192.168.0.10/$port
port=$((port+1))
done
--
IPCHAINS ðgÁ½ 2.2 nJ[l̽ßÌáðɦµÜ· -
±±ÅñÂÌáð °Ä¨«Üµ½BÇ¿çàâèÈ®ìµÜ· -
á»Ì 1
--
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2000 -R 192.168.0.10 2000
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2001 -R 192.168.0.10 2001
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2002 -R 192.168.0.10 2002
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2003 -R 192.168.0.10 2003
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2004 -R 192.168.0.10 2004
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2005 -R 192.168.0.10 2005
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2006 -R 192.168.0.10 2006
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2007 -R 192.168.0.10 2007
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2008 -R 192.168.0.10 2008
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2009 -R 192.168.0.10 2009
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2010 -R 192.168.0.10 2010
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2011 -R 192.168.0.10 2011
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2012 -R 192.168.0.10 2012
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2013 -R 192.168.0.10 2013
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2014 -R 192.168.0.10 2014
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2015 -R 192.168.0.10 2015
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2016 -R 192.168.0.10 2016
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2017 -R 192.168.0.10 2017
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2018 -R 192.168.0.10 2018
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2019 -R 192.168.0.10 2019
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 2020 -R 192.168.0.10 2020
--
á»Ì 2
--
port=2000
while [ $port -le 2020 ]
do
/usr/local/sbin/ipmasqadm portfw -a -P tcp -L 10.1.2.3 $port -R
192.168.0.10 $port
port=$((port+1))
done
--
o
Vµ¢ rc.firewall ªõÅ«½çA"/etc/rc.d/rc.firewall" Æ^
CvµÄÝèªâèÈ¢±ÆðmF·é½ßÉ[ZbgÌÄÇÝ
Ýðs¢Ü·Bൽ©G[ªo½êAIPPORTFW T|[gÌ é
J[lð®ì³¹Ä¢È¢©A rc.firewall t@CÉÈÉ©^C
v~Xª é±Æŵå¤B
o
ICQ Ì [vt@X] - [Ú±] ÝèÅ "LAN©çg¤" Æ "t@C
AEH[ܽÍvLVðoRµÄg¤" ðÝèµÄ¾³¢B»ê
©çA "t@CAEH[Ýè" ðNbNµÄA"SOCKS vLVð
gíÈ¢" ðÝèµÜ·BÈOÍ "t@CAEH[^CAEg" ð
"30" É·é±Æð§µÄ¢Üµ½ªA½ÌpÒͱêÉæè
ICQ ÌM«ªºªé±ÆÉCâĢé_Éӵľ³¢B ICQ
ÍKèÌ^CAEgÝè (±Ì ICQ IvVðLøɵȢóÔ)
ªÅàM«ª¢ÌÅA}XJ[hT[oÅÌ^CAEg
ð160bɵܷB±Ì^CAEgÝèðÏX·éû@É¢ÄÍ
``'' Æ ``'' [ZbgðQƵľ³¢B»ê©çA "Ö"
ðNbNµÄ "ÈºÌ TCP Ä|[gðg¤" ÌÚÅÍA "2000"
©ç "2020" ÜÅðwèµÄ¾³¢B»µÄ"®¹"ðNbNµÄI
íèÅ·B
ICQ NCAgÍÏXðLøÉ·é½ßÉ ICQ ÌÄN®ð£µÄ«
Ü·BÀÍAÌêÍÏXð³µ½f³¹Ä®©·½ßÉ
Windows9x ©ÌðÄN®³¹È¯êÎÈèܹñŵ½ªA élÍ»
ñȱÆð·éKvÍÈ¢Æà¾ÁĢܷBൾßÈç¼ûµÄ
Ýľ³¢B
o élÍ|[gÔ 4000 ¾¯ð ICQ Ì®¢Ä¢é}VÉ|[g]·
龯ÌóÔªxXg¾AÆàbµÄêܵ½BÞͱ꾯ŠICQ ©
ÌÌÝèðùèl©ç½çÏX·é±ÆÈSÌ@\(`bgAt@C
]ÈÇ)ª¤Ü®ìµ½ÆñµÄ¢Ü·B¨»çâèûͽ³
ñ éÌŵ太AÊÈÝèÌû@ð·Ìࢢ©àµêܹñB
6.11. Q[}[ü¯ - LooseUDP pb`
LooseUDP pb`Í NAT ÆÌea«ª èAÊí UDP ðp¢éQ[ð
Linux IP }XJ[hT[oÌwãÅâèȮ쳹é½ßÌàÌÅ·B
¡ÌƱëALooseUDP Ío[W 2.0.36 ÈãÌJ[lÉεÄÍpb
`ƵÄñ³êA2.2.3 ÈãÌJ[lÉÍgÝÜêĢܷªA
2.2.16 ÈãÌJ[lÅÍftHgÅÖ~óÔÉÈÁĢܷB
LooseUDP ð2.0.x nJ[lŮ쳹éÉÍÌèÉ]¢Ü· -
o ÅVÌ 2.0.x J[lðpÓµA/usr/src/linux fBNgÉWJµ
Ü·B
o o[W 2.0.x ÅÍK{ - IPPORTFW pb`ðA±Ì HOW-TO Ì
``2.0.x J[lÌKvð'' ÌÍ©AÜ½Í ``tH[_ (|[g]
c[)'' ÌÍðQlɵľ³¢B
o ``2.0.x J[lÌKvð'' ÌÍ©ç LooseUDP pb`ð_E[h
µÜ·B
LooseUDP pb`ð /usr/src/linux fBNgÉu«AÌæ¤É^C
vµÜ·B
³k³ê½pb`t@CÌê - zcat loose-udp-2.0.36.patch.gz |
patch -p1
³k³êĢȢpb`t@CÌê - cat loose-udp-2.0.36.patch |
patch -p1
¨g¢Ì patch vOÌo[WÉàæèÜ·ªAÌæ¤ÈeLX
gð©é±ÆÉÈéÅµå¤ -
patching file `CREDITS'
patching file `Documentation/Configure.help'
patching file `include/net/ip_masq.h'
patching file `net/ipv4/Config.in'
patching file `net/ipv4/ip_masq.c'
àµA"Hunk FAILED" ªpb`ßöÌeXÅ»ê¼êêx¾¯\¦³êÄ¢é
ÈçA»êÍxÅÍ èܹñBâpb`t@Cª½ÁÄ¢é̾Æ
víêÜ·ªA±ÌóÔÅ êήìµÜ·BS¸sÉIíÁĵÜÁ½ê
ÍAIPPORTFW pb`ªJ[lÉKp³êÄ¢é©Ç¤©AܸmFµÄ
Ýľ³¢B
±Ìpb`ªgÝÜêéÆA ``J[lÌRpC'' ÌÍɦ³êÄ¢
éÊèÉ "IP: loose UDP port managing (EXPERIMENTAL)
(CONFIG_IP_MASQ_LOOSE_UDP) [Y/n/?]" IvVÉ뵀 "Y" ƦÄ\
¬µÄ¾³¢B
2.2 nJ[lÅ LooseUDP ª®æ¤É·é½ßÉÍAÌæ¤ÈèðÀ
{µÜ· -
o /etc/rc.d/rc.firewall XNvgÌÅãÌ ½èÉ é LooseUDP Ì
ÚðTµÜ·B echo "0" > /proc/sys/net/ipv4/ip_masq_udp_dloose Æ
¢¤sÉ é "0" ð "1" ÉÏXµÄA rc.firewall [ZbgðÄÀ
sµÜ·B±ÌÀáÍA``'' Æ ``'' É èÜ·B
Vµ LooseUDP ªLøÆÈÁ½J[l𮩷ÆAwÇÌ NAT ÆÌea
«Ì éQ[ªâèÈ®æ¤ÉÈèÜ·B¢Â©Ìy[WÅA
BattleZone ÈÇÆ¢Á½Q[É NAT ea«ð½¹épb`ðñ·é
web y[Wà èÜ·BÚ×Í``'' ÌÍðQƵľ³¢B
7. æ é¿â (FAQ)
±±ÉÚ¹éɵ¢¿âðv¢Â¢½çAdranch@trinnet.net ÉÁÄ
¾³¢B¿âÆAKØÈñðAª©èⷢĸ¯êÎK¢Å·BX
µ¨è¢µÜ·B
7.1. IP }XJ[hðT|[gµÄ¢é Linux fBXgr
[VÍ
ÇêÅ·©H
Linux fBXgr
[Vª IP }XJ[hðT|[gµÄ¢ÈÄà
SzÍ¢èܹñB±Ì HOWTO ÌOÌûÉ©êÄ¢éƨèÉJ[lÌ
ÄRpCðs¤¾¯Å·B
Ó - ±Ì\ÉÇÁÅ«éûÍambrose@writeme.com ܽÍ
dranch@trinnet.net ¶É[ðÁľ³¢B
o Caldera < v1.2 : NO - ?
o Caldera v1.3 : YES - 2.0.35 based
o Caldera v2.2 : YES - 2.2.5 based
o Caldera eServer v2.3 : YES - ? based
o Debian v1.3 : NO - ?
o Debian v2.0 : NO - ?
o Debian v2.1 : YES - 2.2.1 based
o Debian v2.2 : YES - 2.2.15 based
o DLX Linux v? : ? - ?
o DOS Linux v? : ? - ?
o FloppyFW v1.0.2 : ? - ?
o Hal91 Linux v? : ? - ?
o Linux Mandrake v5.3 : YES - ?
o Linux Mandrake v6.0 : YES - 2.2.5 based
o Linux PPC vR4 : NO - ?
o Linux Pro v? : ? - ?
o LinuxWare v? : ? - ?
o Mandrake v6.0 : YES - ?
o Mandrake v6.1 : YES - ?
o Mandrake v7.0 : YES - 2.2.14
o Mandrake v7.1 : YES - 2.2.15
o Mandrake v7.2 : YES - 2.2.17
o MkLinux v? : ? - ?
o MuLinux v3rl : YES - ?
o Redhat < v4.x : NO - ?
o Redhat v5.0 : YES - ?
o Redhat v5.1 : YES - 2.0.34 based
o Redhat v5.2 : YES - 2.0.36 based
o Redhat v6.0 : YES - 2.2.5 based
o Redhat v6.1 : YES - 2.2.12 based
o Redhat v6.2 : YES - 2.2.14 based
o Redhat v7.0 : YES - 2.2.16 based
o Slackware v3.0 : ? - ?
o Slackware v3.1 : ? - ?
o Slackware v3.2 : ? - ?
o Slackware v3.3 : ? - 2.0.34 based
o Slackware v3.4 : ? - ?
o Slackware v3.5 : ? - ?
o Slackware v3.6 : ? - ?
o Slackware v3.9 : ? - 2.0.37pre10 based
o Slackware v4.0 : ? - ?
o Slackware v7.0 : YES - 2.2.13 based
o Slackware v7.1 : YES - 2.2.16 based
o Stampede Linux v? : ? - ?
o SuSE v5.2 : YES - 2.0.32 base
o SuSE v5.3 : YES - ?
o SuSE v6.0 : YES - 2.0.36 based
o SuSE v6.1 : YES - 2.2.5 based
o SuSE v6.3 : YES - 2.2.13 based
o Tomsrbt Linux v? : ? - ?
o TurboLinux Lite v4.0 : YES - ?
o TurboLinux v6.0 : YES - 2.2.12 based
o TriLinux v? : ? - ?
o Yggdrasil Linux v? : ? - ?
7.2. IP }XJ[hðg¤½ßÌAn[hEFAÉÅáÀKvÈðÆ §
Àð³¦Ä¾³¢B»êÅÇñÈ«\ªoÜ·©?
16MB Ì RAM ðõ¦½ 486/66 Ì{bNXÍA 1.54Mb/s T1 Ìlbg[N
Å 100% ÈãÌ«ðµÜµ½! XÉ}XJ[hÍ 8MB Ì RAM ðõ¦½
386SX-16s Ì}VÅÆÄàÇDÉ®ì·é±ÆªmçêĢܷBµ©
µALinux IP }XJ[hÍ 500 ðz¦é}XJ[hGg[ÅXb
VOðnßĵܤ±ÆÉӵľ³¢Byó: XbVO: OS
ªÀÆ SWAP Xy[XÌÔÌf[^ÌÇÝ«ÉwÇÌÔðïµÄA
vOªÀsÅ«ÈÈéóµð¾¢Ü·Bz
ªmé Linux IP }XJ[hðêIÉó·±ÆªÅ«éBêÌAvP
[VÍA GameSpy Å·BȺ©Æ¢¤ÆA GameSpy ÍgÁÄ¢éXg
ðtbV
·é½ßÉñíÉZÔÉ 10,000 àÌC^[lbgÚ±ð
s¢Ü·B±ÌZbVÌ^CAEg}XJ[hEe[uÍêtÉ
ÈÁĵܢܷBÚ×Í FAQ Ì ``'' ÌƱëð©Ä¾³¢B
»êÈOÉàA
Linus ªÇµÄ¢é Linux J[lÅÍ TCP Æ UDP eXÉ뵀 4096
̯ڱ̧Àª èÜ·B±Ì§ÀÍAJ[l\[XÌÌlð
¿åÁÆ¢¶é¾¯ÅÈPÉϦé±ÆªÅ«Ü·B 2.2.x J[lÌê
Í /usr/src/linux/include/net/ip_masq.h ðA 2.0.x J[lÌêÍ
/usr/src/linux/net/ipv4/ip_masq.h ðÒWµÜ·BÇñÈÉZµ¢T[o[
Åà³µ¢t@CÌ̧ÀlðÅå 32000 â¹Îåävŵå¤B
±ÌðÏXµ½¢êÍA PORT_MASQ_BEGIN & PORT_MASQ_END Ìlð 32K
©ç 64K ÌKØÈÍÍàÉÏX·éKvª èÜ·B±±Éáð¦µÜ·
-
PORT_MASQ_BEGIN=32000
PORT_MASQ_END=64000
7.3. rc.firewall R}hðÀsµ½çuR}hª©Â©èܹñv
(command not found) Æ¢¤G[ª¶µÜµ½BȺŵå¤?
ÇÌæ¤É rc.firewall ðìèܵ½©? TELNET EChEàÉJbgA
hy[XgðµÜµ½©? ½Í Windows/DOS }V©ç FTP ðµÜµ½
©? ̱ÆðµÄÝľ³¢.. Linux {bNXÉOCµA "vim
-b /etc/rc.d/rc.firewall" ðÀsµÄÝľ³¢B»µÄA\¦³ê½s
ª·×Ä ^M ÅIíÁÄ¢é©Ç¤©©Ä¾³¢Bൻ¤Èç ^M ðSÄ
íµÄAà¤êxâÁÄÝľ³¢B
7.4. ÝèðSÄ`FbNµÜµ½ªA¢¾ IP }XJ[hð®ì³¹é
±ÆªÅ«Ü¹ñBǤµ½çæ¢Åµå¤©?
o Ü ¿
¢Ä¾³¢B¨ÅàR[q[Åà\[_ÅàùñÅê§Â
¢Ä¾³¢BC¿ª¿
¢½çAȺÉL³êÄ¢é±ÆðâÁÄ
Ýľ³¢B Linux IP }XJ[hÍïµÍÈ¢ÌÅ·ªA Ƚ
ÉÆÁÄßÄÌTOªô© èÜ·B
o à¤êx ``IP }XJ[hÌeXg'' ÌÍÌÉ éSÄÌXebvð
âÁÄÝľ³¢Bâèðø¦Ä¢éßÄÌ}XJ[hE[UÌ
99% ͱ±ð©Ä¢Ü¹ñB
o IP Masquerade Mailing List Archives
<http://www.indyramp.com/lists/masq/> ð`FbNµÄÝľ³¢B
°çA Ƚ̿âââèͤÊÌàÌÅAPÈA[JCuTõÅ©
¯é±ÆªÅ«éŵå¤B
o TrinityOS <http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> ̶ð`FbNµÄÝľ³¢B»êÍAJ
[l 2.0.x Æ 2.2.x ̼ûÅÌ IP }XJ[hÆ
PPPdADialDADHCPADNSAsendmail ÈÇA½³ñÌgsbNXðJo[
µÄ¢Ü·B
o ROUTED Ü½Í GATED ðç¹Ä¢È¢±Æðm©ßľ³¢Bm©ß
éÉÍ "ps aux | grep -e routed -e gated" ðç¹ÄÝľ³¢B
o IP }XJ[hE[OXgÖ¿âðeµÄ¾³¢ (ÚµÍ
±ÌÍÌÌÚðQÆ)BÅà±êÍ[OXgÌA[JCu©ç
¦ð©Â¯çêÈ©Á½ê¾¯ÉµÄ¾³¢B¿âÌÉ ``IP }
XJ[hÌeXg'' ÌÍÌÅv³êÄ¢éSÄÌîñðÜßľ
³¢B
o ÖA·é Linux NNTP j
[XO[vÖ¿âðeµÄ¾³¢B
o ambrose@writeme.com Æ dranch@trinnet.net ¶É[ðÁľ³
¢B½¿©çæè IP }XJ[hE[OXg©çÔðàç
¤@ïÌÙ¤ª½¢Åµå¤B
o ȽÌÝèðà¤êx`FbNµÄ¾³¢B:-)
7.5. IP }XJ[hE[OXgâ IP }XJ[hEJÒ [
OXgÉQÁµ½èA»ÌA[JCuð©éÉÍǤ·êÎǢŷ
©?
2  é Linux IP }XJ[hE[OXgÉQÁ·éÉÍ 2 ÂÌ
û@ª èÜ·Bæ 1 Ìû@Í masq-request@indyramp.com É[ðé
±ÆÅ·B Linux IP }XJ[hEJÒ[OXgÉQÁ·é½ß
ÉÍ masq-dev-request@indyramp.com É[ðèÜ·BÚ×ͺÌLq
ðQƵľ³¢B
o [ÅÌ\µÝ - [bZ[W̼ܽÍ{¶ÌÇ¿ç©Ì
É "subscribe" Æ¢¤Pêð¢Ä¾³¢BൠIP }XJ[hE
[OXg é¢Í IP }XJ[hEJÒ[OXgÌ_
CWFXgÅÌÝÌ\µÝðµ½¢ÌÈçA[bZ[W̼
é¢Í{¶ÌÉ "subscribe digest" Æ¢¤Pêð¢Ä¾³¢ (»
ÌTÌ[OXgãÌ[ÌSĪå«È 1 ÂÌ[ÉÈÁÄ
çêÜ·)B
T[oª ȽÌNGXgðó¯æêÎA[OXgÉo^µA
pX[hªçêÄ«Ü·B±ÌpX[hðÛ¶µÄ¨¢Ä¾³
¢BãÅXg©ço^ðæèÁµ½èAIvVðÏX·é½ßÉK
vÅ·B
æ 2 Ìû@ÍA WWW uEUðg¢Ü·B IP }XJ[hE[O
XgÉQÁµ½¢êÍ http://www.indyramp.com/masq-list/ É étH[
ðANZXµA IP }XJ[hEJÒ[OXgÉQÁµ½¯ê
Î http://www.indyramp.com/masq-dev-list/ É étH[ÉANZXµ
ÄA\µÝðµÜ·B
\ñ·éÆ\ñ³ê½[OXg©ç[ªÜ·B\ñµ½[U
à\ñµÄ¢È¢[Uà 2 ÂÌ[OXgÌA[JCuÉÍANZ
X·é±ÆªÅ«Ü·B\ñ̽ßÌÚµ¢à¾ÍAãL 2 ÂÌ WWW URL ð
QƵľ³¢B
ÅãÉÈèÜ·ªAÅÉ\ñµ½AJEg/AhX©çµ© IP }XJ
[hE[OXgÉeÅ«È¢±ÆÉӵľ³¢B
[OXg é¢Í[OXgEA[JCuÉֵĽç©Ìâ
èª êÎ Robert Novak ÉAµÄ¾³¢B
7.6. IP }XJ[hÍAvLVâ NAT T[rXÆǤá¤Ìŵå¤
©?
vLV: vLVT[oÍÌàÌÅpÂ\Å·: Win95, NT, Linux,
SolarisÈÇB
· - + 1 IP AhX: À¿
+ «\üã̽ßÉLbVOEIvVª éB
(www ¼)
Z - - vLVT[oÉqªéNCAgÌ
AvP[VÍvLVET[rX (SOCKS) ð
T|[gµAÂvLVT[oðg¤æ¤ÉÝè
µÈ¯êÎÈçÈ¢B
- WWW ÌJE^Ævîñª¶ÁĵܢܷB
vLVT[oÍ IP }XJ[hƯlÉA 1 ÂÌO[o IP
AhXÌÝgpµAvCx[g LAN ãÌNCAg (WWW uEU
) ÖÌ|ó@ƵĮìµÜ·B
±ÌvLVT[oÍA1 ÂÌC^[tF[XÉqªévCx[g
lbg[N©ç TELNET, FTP, WWW Ìæ¤ÈÚ±vðó¯æèÜ·B
»µÄA ½©à[J{bNXãÌN©ªÚ±vðµÄ¢é©Ì
æ¤ÉAÔɱêçÌNGXgðOÉMµÜ·B
uÌC^[lbgT[oªv³ê½îñðèÔµÄéÆA
¡xÍàNCAgÉÄx TCP/IP AhXð|óµAgtBbNð
èÜ·B
±Ì½ßA»êÍvLVT[oyó: ãT[ozÆÄÎêÜ·B
Ó -
çäéAvP[VàAlbg[NàÌ}VÅ
g¢½¢êÍA Netscape âô©ÌDGÈ TELNET â
FTP NCAgÌæ¤ÉAvLVT[oÌT|[gª
³êĢȯêÎÈèܹñB
vLVT[oÌT|[gª³êĢȢNCAg
vOÍ®ìµÜ¹ñB
vLVT[oÌà¤êÂÌ_ƵÄAvLVT[oÌÉÍ
LbVOÌÅ«éàÌà é±ÆÅ· (Squid for WWW) B
á¦Î 50 äÌvLV³ê½ PC ª ÁÄA»ê窯É
Netscape ðN®µ½ÆzµÄ¾³¢B
»êçªftHgÌz[y[W URL ÌÜÜCXg[³êÄ
¢½ÈçA¯¶ Netscape WWW y[WªeXÌÂXÌRs
[^É
ÊXÉ 50 ñ WAN NðîµÄçêé±ÆÉÈèÜ·B
LbV
ðÁ½vLVT[oÅÍA 1 ñ¾¯ªvLVT[o
ÉæÁÄ_E[h³êAvLV³ê½}VÍvLVàÌ
LbV
©ç WWW y[Wðó¯æèÜ·B
±êÍC^[lbgÚ±ÌÑæðßñ·é¾¯ÅÈA
vLV³ê½}VÉÆÁÄñíÉ¢¬xÉÈèÜ·B
}XJ[h- IP }XJ[h ÍALinux yÑ Zytel Prestige128, Cisco 770,
yÑ NetGear ISDN routers AôÂ©Ì ISDN [^ÅpÂ\Å·B
1νIPÌ
NAT · - + 1 IPAhX¾¯ªKvB(À¿)B
+ ÁÊÈAvP[VÉæéT|[gðvµÈ¢B
+ t@CAEH[E\tgEFAðgp·éÌÅA
lbg[NªæèÀSÉÈéB
Z - - Linux {bNX©AÁÊÈ ISDN [^ðKvÆ·éB
(¼Ì»iÍڵĢé©àmêܹñª..)
- à LAN ªÅÌgtBbN𶳹é©A½Í
ÁèÌ|[gEtH[fBOE\tgEFAª
CXg[³êĢȯêÎAO©çé
gtBbNÍà LAN ÉANZXÅ«È¢B
½Ì NAT T[oͱÌ@\ðÁĢܹñB
- ÁêÈvgRðµ¤ÉÍt@CAEH[E
_CN^ÉæÁÄÂXÌÝèªKvB
Linux ÍA±Ì@\ ( FTPAIRC ) ÌSÊIÈ
T|[gðµÄ¢éªA½Ì[^ÍT|[gµÄ
¢È¢B (NetGear ÍT|[gµÄ¢Ü·)
IP }XJ[hâ 1ν IP Ì NAT ÍAT[oª IP AhX|óð
s¢Aà}VÉãíÁÄ ½©à}XJ[hT[oªÚ±vð
¶µÄ¢é©Ìæ¤ÉAuÌT[o (á¦Î WWW T[o) É
èo·Æ¢¤Ó¡ÅAvLVT[oÉĢܷB
IP }XJ[hÆvLVT[oÌåÈá¢ÍA}XJ[hT[oÍ
NCAg}VÌÝèÏXðSKvƵȢƢ¤±ÆÅ·B
NCAgÌftHgQ[gEFCÆµÄ Linux {bNXðg¤æ¤É
Ý賦·êÎAâèÈ«Ü·B
½¾ RealAudio, FTP ðg¤ÉÍA»êçÌÁÊÈ Linux W
[ð
CXg[·éKvª èÜ·B
XÉA½ÌlXÍ TELNET, FTP Ì×É IP }XJ[h ð
gpµÜ·B
»êÉÁ¦ÄAXÉ www ÌgtBbNÌ«\ðã°é×ÉA¯¶
Linux {bNXÌÉLb
𩹽vLVðÝèµÜ·B
NAT - NAT T[oÍ Windows 95/NT, Linux, Solaris âÈ ISDN[^Å
pÂ\Å·B(Ascend лÌàÌð)
· - + ÝèªLxÉÅ«éB
+ ÁÊÈAvP[V\tgªvçÈ¢B
Z - - ISP ©çTulbg IP AhXðá¤Kvª éB
(¿)
lbg[NAhXÏ· (Network Address Translation) ÍA
pubNAhXƵÄgpÅ«éLøÈ IP AhXðv[
µÄ¢é ̼OÅ·B
àlbg[N©çC^[lbgÉs«½¢êAÚ±vð
oµÄ¢éNCAgÌvCx[gAhXðAó¢Ä¢éLøÈ
pubN IP AhXÉ«·¦ÄAÚ±vðC^[lbgÉ
sµÜ·B
»ÌãÌgtBbNÍSÄANAT ÌpubN IP AhX©ç
vCx[gEAhXÉ«·¦çêÜ·B
gp³êÄ¢½pubN IP AhXª\ßßçê½êèÔ
gp³êÈ¢ÆApubN IP AhXÍpubN NAT v[Ö
ß³êÜ·B
NAT ÉÖ·éå«ÈâèÍAêx©RÉg¦épubN IP AhXª
SÄgíêĵܤÆA»ÌãÉC^[lbgT[rXðv·é
ÇÌvCx[g[UàApubN NAT AhXÉó«ªoéÍ
s^ÉàC^[lbgðpÅ«È¢±ÆÅ·B
FXÈ`ÔÌ NAT ÉÖ·éAñíÉÌL¢Dê½Lqª éÌũľ
³¢ -
o <http://www.suse.de/~mha/linux-ip-nat/diplom/nat.html>
±±ÍA NAT ÉÖµÄwK·éæ¢TCgÅ·BURL ̽ÍâŷªA
ܾLøÅ· -
o <http://www.linas.org/linux/load.html>
±±ÍA Linux â¼ÌvbgtH[pÉA¼Ì NAT Éæéðû@ðm
é½ßÌÇ¢ URL Å· -
o <http://www.uq.net.au/~zzdmacka/the-nat-page/>
7.7. GUI Ì t@CA[EH[ì¬Çc[Í èÜ·©?
Í¢! [UEC^[tF[Xâ¡G³ÈÇɨ¢Ä·ª èAåªÍ
IPFWADM c[p¾¯Å·ªAÆÄàÇ¢à̪ èÜ·B±±ÉAt@
xbgÉpÂ\Èc[ÌXgª èÜ·B¼ÌàÌðmÁÄ¢é©A
ÇêªÇ¢Æ©A«¢Æ©Ag¦È¢Æ©Ìl¦ª Á½çA David É[
µÄ¾³¢B
o John Hardin Ì IPFWADM Dot file generator - IPCHAINS o[Wª®
ìµÜ·B
yó: ãL web site Å·ªA ipchains o[WͶݵܹñB
쬵½[t@Cð ipfwadm2ipchains ÅÏ·µÄ~µ¢AÆ è
Ü·Bz
o Sonny Parlin Ì fBuilder <http://www.innertek.com> - FWCONFIG ìÒ
©çA±ÌVµ¢ðû@Í®SÈ WWW x[XÅAç·«IvVª
èA IPCHAINS Æ Netfilter ̼ûÉεĢܷB
o William Stearns Ì Mason <http://www.pobox.com/~wstearns/mason/> -
[Zbgð¼Úìé^CvÌVXe
7.8. IP }XJ[hÍ®IÉèÄçê½ IP AhXÅ®ìµÜ·©?
Í¢APPP ½Í DHCP/BOOTp T[oÉæÁÄA ISP ©çèÄçê½®
I IP AhXÅ®ìµÜ·BLøÈC^[lbg IP AhXðÂÀ
èA®ì·é¤Å·BÜ_AÃIÈ IP Åà®ìµÜ·B IPFWADM/IPCHAINS
ðgÁ½¢[Zbgðg¨¤ÆµÄ¢é©A|[g]ðg¨¤ÆµÄ
¢éÈçA±êçÌ[ZbgÍ IP AhXªÏX³êéxÉÄÀsµ
ȯêÎÈèܹñB¢t@CAEH[E[ZbgÆ®I IP Ah
XÉÖ·éâ«à¾Í TrinityOS - Section 10
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> É èÜ·Ìũľ³¢B
7.9. P[uEf(oûüÆfE^[̼û)âA DSL, q¯
NðgpµÄC^[lbgÉÚ±µA IP }XJ[hð g¤±Æª
Å«Ü·©?
Í¢A Linux ª»Ìlbg[NC^[tFCXðT|[gµÄ¢éÀ
èA»êÍ®ìµÜ·B®I IP AhXðgÁÄ¢éÈçA FAQ ÚàÌ
ãLu IP }XJ[hÍ®IÉèÄçê½ IP AhXÅ®ìµÜ·
©?vðQƵľ³¢B
7.10. Diald Ü½Í PPPd Ì_CAIf}h@\ð IP }XJ[h
Æ êÉg¦éŵ天?
à¿ëñÅ·! IP }XJ[hÍ Diald Ü½Í PPP ɨ¢Ä®SɧßI
Å·BBêÌâè_ÍA®I IP AhXðõ¦½u¢t@CAEH[E
[Zbgvðgp·é©Ç¤©Å·BÚµÍ FAQ ÚÌãLu IP }
XJ[hÍ®IÉèÄçê½ IP AhXÅ®ìµÜ·©?vðQƵ
ľ³¢B
7.11. IP }XJ[hÅÍAÇñÈAvP[VªT|[g³êÄ¢Ü
·©?
®ì·éAvP[VÌXgðXVµ±¯é±ÆÍñíÉ¢ïÅ·Bµ
©µÈªçA (Netscape, MSIE, Ì) WWW uEUA (WS_FTP Ì) FTP,
TELNET, SSH, RealAudio, POP3 ([óM - Pine, Eudora, Outlook),
SMTP ([M) AÊíÌC^[lbgAvP[VÌwÇÍT|
[g³êĢܷB}XJ[hÝ·ÌNCAg̽®SÈXgͱ
Ì HOWTO Ì ``NCAg'' ÌÍÉ èÜ·B
æè¡GÈvgRâA½ÍrfIïc\tgEFAÌæ¤ÈÁÊÈÚ±û
@ðgÁÄ¢éAvP[VÍAêpÌâc[ðg¤Kvª èÜ
·B
æèÚ×ÉÍALinux IP masquerading Applications
<http://www.tsmservices.com/masq> ð©Ä¾³¢B
7.12. ǤâÁ½ç IP }XJ[hð Redhat, Debian, Slackware Å
Ò³¹é±ÆªÅ«Ü·©?
±Ì HOWTO ÌÅྵĢé IP }XJ[hÌZbgAbvèÍA¨
è¿Ì Linux fBXgr
[VÌíÞðâí¸KpÅ«Ü·BfB
Xgr
[VÌÉÍAZbgAbvðæèeÕÉ·é GUI ½ÍÁÊ
ÌÝèt@CðÁÄ¢éàÌà é©àmêܹñBBÍū龯ê
ÊIÈ HOWTO ð×ÉÅPðsµÄ¢Ü·B
7.13. µÎµÎgpµÄ¢È¢Æ TELNET Ú±ªØêéæ¤É©¦Ü·B È
ºÅµå¤©?
IP }XJ[hÍ TCP ZbVA TCP FIN yÑ UDP gtBbNÌ^C
AEgE^C}ðftHgÅ15ªÉÝèµÜ·BwÇÌ[UÉÍÌÝ
è (±Ì HOWTOÌ /etc/rc.d/rc.firewall ruleset ÌÅùɦµÜµ½)
ðg±Æð¨§ßµÜ·B
Linux 2.0.x Å IPFWADM ðg¤ê -
# IP }XJ[hÌ^CAEg
#
# TCPZbVÌ^CAEgÍ 2 Ô
# TCP/IP Ì u FIN vpPbgªóM³ê½ãÌ^CAEgÍ 10 b
# UDP gtBbNÌ^CAEgÍ 60 b (}XJ[hENCAgÌ
# ICQ [UÍA ICQ ÌÝèÌÅt@CAEH[Ì^CAEglð
# 30 bÜÅ·æ¤É·éKvª èÜ·B)
#
/sbin/ipfwadm -M -s 7200 10 60
Linux 2.2.x Å IPCHAINS ðg¤ê -
# IP }XJ[hÌ^CAEg
#
# TCPZbVÌ^CAEgÍ 2 Ô
# TCP/IP Ì u FIN vpPbgªóM³ê½ãÌ^CAEgÍ 10 b
# UDP gtBbNÌ^CAEgÍ 60 b (}XJ[hENCAgÌ
# ICQ [UÍA ICQ ÌÝèÌÅt@CAEH[Ì^CAEglð
# 30 bÜÅ·æ¤É·éKvª èÜ·B)
#
/ipchains -M -S 7200 10 60
7.14. C^[lbgÚ±ðµæ¤ÆµÄàAÅÍڱūܹñB à¤
êxâÁÄÝéÆAâèÈ®ìµÜ·BȺŵ天?
»ÌRÍA Ƚª®I IP AhXðgÁÄ¢ÄAÅÉC^[lbg
Ú±ðµæ¤Æµ½ÉÍ IP }XJ[hªÜ¾»Ì IP AhXðmçÈ
¢©çÅ·B±Ìðôª èÜ·B /etc/rc.d/rc.firewall [Zbg
ɺLðÁ¦Ä¾³¢ -
# ®I IP [U -
#
# SLIP â PPP, DHCP ©ç IP AhXð®IÉó¯æÁÄ¢éÈçA
# ȺÌIvVðLøɵľ³¢B
# ±êÍ IP }XJ[hª Diald â±êƯlÈvOÆêÉ
# gíêéÉA®I IP AhXÌnbLOðâèյܷB
#
echo "1" > /proc/sys/net/ipv4/ip_dynaddr
7.15. ( MTU ) - IP }XJ[hͤܮìµÄ¢éæ¤É©¦Ü·B
µ©µA¢Â©ÌTCgÅÍ®ìµÜ¹ñB ±êÍAÊí WWW Æ FTP Å
N±èÜ·B
±Ì´öÍ 2 Âl¦çêÜ·B1 ÂÚÍñíÉêÊIÅ·ªA2 ÂÚÍñí
ÉóÅ·B
o 2.0.38 Æ 2.2.9 È~Ì LinuxJ[lÅA}XJ[hER[hÌÉ
c_Ì éoOª èÜ·B
[UÌÉÍA IP }XJ[hª DF ·Èí¿ufлµÈ¢ (Don't
Fragment)vrbgªZbg³êÄ¢épPbgÉÖµÄâèðø¦Ä¢é
©àmêÈ¢AÆ¢¤ÀðwE·élà¢Ü·Bî{IÉA}XJ[
hE{bNXªC^[lbgÉ 1500 ¢Ì MTU ÅÚ±µ½êÉÍA
ô©ÌpPbgÉÍ DF tB[hªZbg³êéŵå¤B Linux
{bNXÌ MTU ð 1500 ÖÏX·é±ÆűÌâèððµ½æ¤É©¦
Ü·ªAoOÍܾÁ¦½í¯ÅÍ èܹñBN±ÁÄ¢éÆl¦çê
é±ÆÍA}XJ[hER[hª ICMP 3 Sub 4 R[hðt¯ÄÔÁÄ
«½ ICMP pPbgðKØÉ«¼µÄAgtBbNðsµ½}XJ
[hENCAgÉԵĢȢƢ¤±ÆÅ·B±Ì½ßÉAp
PbgÍƳêÜ·B
êûA¼Ì[UÍ»ÌâèªN«éuÌTCg (T^IÉÍ SSL Ú±
ÌTCg) ÌÇÒ̹¢¾ÆwEµÜ·BÞçªZL
eBηa
ÅA (Type4 - KvƳêétOg - ðÜÞ) SíÞÌ ICMP b
Z[WðµÄ¢éÌÅA±êÍ TCP/IP vgRÌî{´¥ðóµ
Ä¢éƾ¤ÌÅ·B
oûÌå£àeXê èÜ·B»µÄAeXÌO[vÍ¡úÜÅ¢c
µ±¯Ä¢Ü·BàµA Ƚªlbg[NÌvO}ÅA±Ìâè
ðð½ÍªÅ«éÈçAâÁÄÝľ³¢BÚµÍ MTU Thread
from the Linux-Kernel ð`FbNµÄ¾³¢B
ÅàSzÍ èܹñB®SÅæ¢Î@ÍAC^[lbgNÌ
MTU ð 1500 ÉÏX·é±ÆÅ·B¡A[UÌÉÍ TELNET âQ[
ÌÔÉq´ÈvOÉ«¢Æ¾ÁıêÉçSçO·élà¢Ü
·ªAe¿ÍÙñ̵ŷBy¢TCgÅÍwÇÌ HTTP â FTP g
tBbNª¬ÉÈèÜ·!
[ -- DSL ܽÍP[uEf̽ßÉ PPPoE Ú±ðsÁÄ¢é
©AMTU ð 1500 ÉÏXµÈ¢±ÆÉß½êÍAȺÌÊÌð@ð
©Ä¾³¢B -- ]
±êðð·é×ÉAÅÉC^[lbgNp MTU ª¡Ç¤ÈÁÄ
¢é©ð©Ä¾³¢B±Ì×ÉÍ "/bin/ifconfig" ðÀsµÜ·BC
^[lbgڱɷéCð©ÄA MTU ð{µÜ·B±êÍ 1500
ÉZbg³êÄ¢éKvª èÜ·BÊíAC[TlbgENÍf
tHgűêÉÈèÜ·ªAVAÚ±Ì PPP NÍftHgÅ
576 ÉÈéŵå¤B
7.15.1. PPP NÌ MTU ÌÏX -
o PPP NÌ MTU Ìâèðð·éÉÍA/etc/ppp/options t@Cð
ÒWµAãÌûÉÊXÈ 2 s "mtu 1500" Æ "mru 1500" ðÁ¦Ü·BV
µ¢ÏXðÛ¶µAPPP ðÄN®µÄ¾³¢BãÉ¢½â詽Å
PPP Nª³µ¢ MTU Æ MRU ÉÈÁÄ¢é±ÆðmFµÄ¾³¢B
o DSL âP[ufÉubWÚ±â[^Ú±³ê½WÌC[T
lbgENãÅ MTU âèðð·é½ßÉÍAgÁÄ¢é Linux
fBXgr
[VÅ̳µ¢lbg[Nú»XNvgðÒW
µÈ¯êÎÈèܹñB TrinityOS - Section 16 É élbg[NÅ
K»Ì×̶ð©Ä¾³¢B
7.15.2. â UNIX ÌVAC^[tF[X -
o ÅãÉA±êͤÊÌâèÅÍ èܹñªA±ê©çL·ð@ªÄ
ÍÜélàÉܷ͢B PPP [UÌêAÇÌ|[gÉ PPPd R[h
ªÚ±³êÄ¢é©mFµÜ·B»êÍ /dev/cua* |[gÅ·©? »êÆ
à /dev/ttyS* |[gÅ·©? ±êÍ /dev/ttyS* |[gÅȯêÎÈè
ܹñB cua X^CÍßÌàÌÅAñíÉïÈû@Ţ©Ìà
ÌðóµÜ·B
7.15.3. PPPoE [U -
PPPoE (Åå MTU ÆµÄ 1490 ðvµÜ·) ðgp·é[UA½Í MTU
ð 1500 ɵȢ±ÆÉß½[UÌ×Ìð@ð«Ü·BSÄÌ}XJ
[hENCAg PC Ì MTU ÌlðOC^[lbgNÌ MTU Æ
¯¶lÉÝè·êÎA¤Ü®ì·éŵå¤B PPPoE ISP ÌÉͳµ
Ú±·é½ßÉ 1460 Ì MTU ðv·éà é©àmêܹñÌÅAÓ
µÄ¾³¢B
ǤâÁıêð·é©ÍAȺÌeIy[eBOEVXepÌPÈ
XebvÉ]Áľ³¢B
ÌáÍA é DSL yÑP[uf[UÌ×ÌAT^IÈ PPPoE Ú±
pÌ MTU ª 1490 Ìáð¦µÜ·B 128Kb/s ÈãÌÚ±ÌêÍSÄAÂ\
ÈÀèå«Èlðgp·é±Æð§µÜ·B
æè¬³È MTU ðgp·éBêÌÀÛÌRÍA\Íð]µÉµÄÅà
æè¢Ô𾽢ƫŷB±ÌgsbNÉ¢ÄÌÚ×ÍȺð©
ľ³¢ -
http://www.ecst.csuchico.edu/~dranch/PPP/ppp-performance.html#mtu
*** ¤Ü¢Á½Æ©A¢©È©Á½Æ©A½Í¼Ì OS ÅÌâèûð ***
mÁÄ¢éÈçA David Ranch [ðÁľ³¢Bæëµ!
7.15.4. Linux:
______________________________________________________________________
1. MTU ÌÝèÍ Linux fBXgr
[VÉæèÙÈèÜ·B
RedhatÅÍ - /sbin/ifup XNvgÌÌlXÈ "ifconfig" Ìsð
ÒW·éKvª èÜ·B
SlackwareÅÍ - /etc/rc.d/rc1.inet ÌÌlXÈ "ifconfig" Ìsð
ÒW·éKvª èÜ·B
2. ±±ÉAÇÌfBXgr
[VÅàǢ᪠èÜ·B
/etc/rc.d/rc.local t@CðÒWµAt@CÌÅãÉȺÌsð
t¯Á¦Ü· -
echo "Changing the MTU of ETH0"
/sbin/ifconfig eth0 mtu 1490
"eth0" ÍC^[lbgÉÚ±³ê½}VÌ㬤ÌC^[tF[X¼É
u«·¦Ü·B
3. "TCP óMEChE" (TCP Receive Windows) Ìæ¤ÈxÈIvVâA
ÁèÌ Linux fBXgr
[VÌlbg[LOEXNvgÌ
ÒWû@ÌÚµ¢áÍA
______________________________________________________________________
______________________________________________________________________
Ì16Íð©Ä¾³¢B
______________________________________________________________________
7.15.5. MS Windows 95 -
______________________________________________________________________
1. WXgÉÇñÈÏXðÁ¦é±ÆàñíÉë¯Å·BÀS̽ßÉK¸obN
AbvERs[ðæÁÄsÁľ³¢B
©ÈÓCÅsÁľ³¢B
2. [X^[g] ¨ [t@C¼ðwèµÄÀs(R)] ¨ "RegEdit" Æü͵ܷB
yó: ±±ÌÚÍú{ê Windows 95 Ì\¦àeðQƵĢܷBz
3. ìÆOÉÍWXgÌobNAbvERs[ðæÁľ³¢B
û@ÍAGNXv[Å \WINDOWS fBNgÉ é "user.dat" Æ
"system.dat" t@CðÀSÈêÉRs[µÄ¨«Ü·B
ÈOÉq×½û@Å éA
"Regedit ãÅ [WXg(R)]¨[WXgt@CÌ«oµ(E)]
[WXgÌ«oµ]EBhEãÅ [t@C¼(N)]¨[Û¶(S)]"
ÍAWXgðPÉ}[W·é¾¯Å ÁÄAu·ð·éóÅÍȢƢ¤
±ÆÉӵľ³¢B
4. "n" ÅI¹·éWXgc[ÌeXðTõµÜ·B (á¦Î0007)
NIC Ì IP AhXðÁ½ "IPAddress" Æ¢¤WXgGgª
èÜ·B
»ÌL[̺ÉAºLðÁ¦Ä¾³¢ -
______________________________________________________________________
©ç
______________________________________________________________________
[Hkey_Local_Machine\System\CurrentControlset\Services\Class\NetTrans\000n]
type=DWORD
name="MaxMTU" (_uNH[e[VͩȢž³¢)
value=1490 (10 i) ((10 i)Æ¢¤¶Í©È¢Å¾³¢)
type=DWORD
name="MaxMSS" (_uNH[e[VͩȢž³¢)
value=1450 (10 i) ((10 i)Æ¢¤¶Í©È¢Å¾³¢)
5. "TCP Receive Window" (TCP óMEChE) àÏXÅ«Ü·B
±êÍƵÄlbg[NÌ«\ð©Èèüã³¹é±Æà èÜ·B
àµX[vbgª«ÈÁ½Æí©Á½çA±êçÌÚð³ÌlÉ
ߵĩçu[gµÄ¾³¢B
[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP]
type=DWORD
name="DefaultRcvWindow" (_uNH[e[VͩȢž³¢)
value=32768 (10 i) ((10 i)Æ¢¤¶Í©È¢Å¾³¢)
type=DWORD
name="DefaultTTL" (_uNH[e[VͩȢž³¢)
value=128 (10 i) ((10 i)Æ¢¤¶Í©È¢Å¾³¢)
6. ÄN®µÄÏXðLøɵľ³¢B
______________________________________________________________________
7.15.6. MS Windows 98 -
______________________________________________________________________
1. WXgÉÇñÈÏXðÁ¦é±ÆàñíÉë¯Å·BÀS̽ßÉK¸obN
AbvERs[ðæÁÄsÁľ³¢B
©ÈÓCÅsÁľ³¢B
2. [X^[g] ¨ [t@C¼ðwèµÄÀs(R)] ¨ "RegEdit" Æü͵ܷB
yó: ±±ÌÚÍú{ê Windows 98 Ì\¦àeðQƵĢܷBz
3. ìÆOÉÍWXgÌobNAbvERs[ðæÁľ³¢B
û@ÍAGNXv[Å \WINDOWS fBNgÉ é "user.dat" Æ
"system.dat" t@CðÀSÈêÉRs[µÄ¨«Ü·B
ÈOÉq×½û@Å éA
"Regedit ãÅ [WXg(R)]¨[WXgt@CÌ«oµ(E)]
[WXgÌ«oµ]EBhEãÅ [t@C¼(N)]¨[Û¶(S)]"
ÍAWXgðPÉ}[W·é¾¯Å ÁÄAu·ð·éóÅÍȢƢ¤
±ÆÉӵľ³¢B
4. "n" ÅI¹·éWXgc[ÌeXðTõµÜ·B (á¦Î0007)
NIC Ì IP AhXðÁ½ "IPAddress" Æ¢¤WXgGgª
èÜ·B
»ÌL[̺ÉAºLðÁ¦Ä¾³¢ -
______________________________________________________________________
©ç
______________________________________________________________________
[Hkey_Local_Machine\System\CurrentControlset\Services\Class\NetTrans\000n]
type=STRING
name="MaxMTU" (_uNH[e[VͩȢž³¢)
value=1490 (10 i) ((10 i)Æ¢¤¶Í©È¢Å¾³¢)
5. "TCP Receive Window" (TCP óMEChE) àÏXÅ«Ü·B
±êÍƵÄlbg[NÌ«\ð©Èèüã³¹é±Æà èÜ·B
àµX[vbgª«ÈÁ½Æí©Á½çA±êçÌÚð³ÌlÉ
ߵĩçu[gµÄ¾³¢B
[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP]
type=STRING
name="DefaultRcvWindow" (_uNH[e[VͩȢž³¢)
value=32768 (10 i) ((10 i)Æ¢¤¶Í©È¢Å¾³¢)
type=STRING
name="DefaultTTL" (_uNH[e[VͩȢž³¢)
value=128 (10 i) ((10 i)Æ¢¤¶Í©È¢Å¾³¢)
6. ÄN®µÄÏXðLøɵľ³¢B
______________________________________________________________________
7.15.7. MS Windows NT 4.x
______________________________________________________________________
1. WXgÉÇñÈÏXðÁ¦é±ÆàñíÉë¯Å·BÀS̽ßÉK¸obN
AbvERs[ðæÁÄsÁľ³¢B
©ÈÓCÅsÁľ³¢B
2. [X^[g] ¨ [t@C¼ðwèµÄÀs] ¨ "RegEdit" Æü͵ܷB
yó: ±±ÌÚÍú{ê Windows NT Ì\¦àeðQƵĢܷBz
3DuWXgv ¨ u Export Registry File (WXgt@CÌæèÝ)v ¨
u Save a copy (WXgt@CÌ«oµ)vÅWXgÌRs[ð
ÀSÈêɵܢܷB
4D 2 {ÌÂ\ÈWXgc[ÉÌL[ð쬵ľ³¢B
½ÌGg[ªA_CAbvlbg[N (ppp)AC[Tlbg NICAPPTP
VPN ÈÇÌlXÈlbg[NupÉ èÜ·B
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Parameters\Tcpip]
Æ
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\<Adapter-name>\Parameters
\Tcpip]
"<Adapter-Name>" Í©ªÌAbvN LAN NIC C^[tF[XÌ
»ê¼ê̼OÉu·µÜ·B
type=DWORD
name="MTU" (quotesLÍÜßÈ¢)
value=1490 (10 i) ((10 i)Æ¢¤¶ÍÜßÈ¢)
*** ൳çÉ È½ª NT 4.xÅÌ MSSATCP Window Size ATTL p[^[ð
*** ÏX·éû@ðmÁÄ¢½ç dranch@trinnet.net É[ðÁľ³¢B
*** HOWTO ÉÇÁµ½¢Æv¢Ü·B
5Du[gµÄÏXðLøɵľ³¢B
______________________________________________________________________
7.15.8. MS Windows 2000
______________________________________________________________________
1DWXgÉÇñÈÏXðÁ¦é±ÆàñíÉë¯Å·BÀS̽ßÉK¸obN
AbvERs[ðæÁÄsÁľ³¢D©ª©gÌXNÅsÁľ³¢B
2. [X^[g] ¨ [t@C¼ðwèµÄÀs] ¨ "RegEdit" Æü͵ܷB
yó: ±±ÌÚÍú{ê Windows 2000 Ì\¦àeðQƵĢܷBz
3DuWXgv ¨ u Export Registry File (WXgt@CÌæèÝ)v ¨
u Save a copy (WXgt@CÌ«oµ)vÅWXgÌRs[ð
ÀSÈêɵܢܷB
4DL[ÜÅirQ[gµÜ· -
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Inter
faces\<ID for Adapter>
e <ID for Adapter> iA_v^Ì ID jÍADNSATCP/IP AhXA
ftHgEQ[gEFCATulbgE}XNÈÇ̽ßÌ
ftHgEL[ðÁĢܷB©ªÌlbg[NEJ[hpÌàÌð©Â¯Ä¾³¢B
5DÌGg[ðìèÜ·B
type=DWORD
name="MTU" (quotesLÍÜßÈ¢)
value=1490 (10 i) ((10 i)Æ¢¤¶ÍÜßÈ¢)
http://support.microsoft.com/support/kb/articles/Q120/6/42.asp?LN=EN-US&SD=gn&FR=0
*** ൠNT 2000ÅÌ MSSATCP Window Size ATTL p[^[ðÏX·éû@ð
*** mÁÄ¢½ç dranch@trinnet.net É[ðÁľ³¢B
*** HOWTOÉÇÁµ½¢Æv¢Ü·B
6Du[gµÄÏXðLøɵľ³¢B
______________________________________________________________________
ãqÌæ¤ÉAൠOS/2, MacOS Ì¼Ì OS ɯlÈÏXðÁ¦éû@ð
mÁÄ¢éûÍA David Ranch Ö[ðÁľ³¢B HOWTO ÉüêÄ
¢«Ü·B
7.16. IP }XJ[h FTP NCAgª®ìµÜ¹ñB
"ip_masq_ftp" W
[ª[h³êÄ¢é©`FbNµÄ¾³¢B±ê
ðs¤ÉÍA}XJ[hT[oÉOCµÄ "/sbin/lsmod" R}hð
ÀsµÜ·BàµA[h³êÄ¢é¤Ì "ip_masq_ftp" W
[ª©
½çÈ¢ÈçA ``IP tH[fBO|V[ðÝè·é'' ÌÍŧ³
êÄ¢éî{IÈ /etc/rc.d/rc.firewall É]ÁÄ¢é©m©ßľ³
¢BàµAÆ©Ì[ZbgðgÁÄ¢éÈçA HOWTO ÌáÉ éwÇÌ
[ªÜÜêÄ¢é©Ç¤©ðmFµÄ¾³¢B»¤µÈ¢Æ¢ÂÜÅà
òRÌâèÉ©íêé±ÆÉÈèÜ·B
7.17. IP }XJ[hªx¢æ¤É©¦Ü·B
±êÉÍô©̴öªl¦çêÜ· -
o ȽÍf«\É»ÀÈãÌàÌðúҵĢé©àµêܹñBW
IÈ 56K ÌfڱɢÄvZµÄÝÜ·B
1. 56k fÅ·©çAb 56,000 rbgÌf[^¬xÉÈèÜ·B
2. ÀÛÉÍÄ FCC ̧ÀÉæÁÄ 56K ÌfÅÍÈ 52k Ìf
ðÁÄ¢é±ÆÉÈèÜ·B
3. ÅàÀÛÍÙÆñÇ 52K Åڱūé±ÆÍ èܹñBÍi
48K ȺÅÂȪèÜ·B
4. b 48,000 rbgÆ¢¤±ÆÍb 4,800 oCgÅ·B (8rbgª
1 oCgÅA RS232 VArbgÍJnrbgÆI¹rbgÉ
2rbgªKvÅ·B)
5. MTU ª 1500 ÌÆ«A 1 bÔÉ 3.2 pPbgó¯æêÜ·B±êÍt
Oe[VðÜÞÌÅA 1 bÔÉ 3 pPbgÉØèÌÄçê
Ü·B
6. ܽ MTU ª 1500 ¾ÆA±ÌêÍ 3.2 x 40 oCg (8%) Ì TCP/IP
ÌI[o[wbhª èÜ·B
7. ]ÁÄAúÒÅ«éÅf[^]\ÍÍA³k³µÅ4.68KB/s Å
·B v.42bis n[hEGA³kA MNP5, ½Í MS/Stac ³kųk
µ½êAeLXgt@CÌæ¤È³kÉü¢½f[^ÅÍóÛI
ÈlðoµÄ¢Ü·ªAÀÛÍ ZIP â MP3 Ìæ¤ÈAùɳk³êÄ
¢ét@CÌ]ÅÍxÈÁĵܢܷB
o C[Tlbgðg¤Æ«ÌÝè (DSL, P[uf, LAN )
o àÆOÌlbg[N̼ûª "IP Alias" Ì@\Å 1 ÂÌlb
g[NJ[hãÅ®ìµÄ¢éÆ¢¤±ÆªÈ¢©Ç¤©mFµÄ
¾³¢Bൻ¤ÈÁÄ¢éÆA®ìµÄÍ¢éàÌÌA¢¦ÌÕË
â IRQ Ìgp¦ÉæÁÄÆÄÂàÈxÈèÜ·BÊÌlbg
[NJ[hðüèµÄAàlbg[NÆOlbg[NªeX©
ªÌC^[tF[XðÂæ¤É·é±Æð¨§ßµÜ·B
C[TlbgÝèÌÌ SPEED Æ DUPLEX ̼ûªKØÅ é±Æð
m©ßľ³¢B
o 10Mb/s C[TlbgJ[hâAwÇÌ 100Mb/s J[hÌÉÍA
SñdÚ±yó: Full DuplexzðT|[gµÜ·BC[Tlb
gEJ[h©ç DSL fÖÌÚ± (ÔÌnuÌÈ¢ê) ÍA
DSL fªSñdðT|[gµÄ¢éêÌÝA±êðÝè·é
±ÆªÅ«Ü·Bܽgp³êÄ¢é 8 {ÌC[SĪü³
êÄ¢éÇ¿ÌC[TlbgP[uðg¤æ¤S|¯Ä¾³
¢B
o nuðgÁ½àlbg[NÍSñdyó: Full Duplexz@\
ðg¦Ü¹ñBSñdÊM@\ðg¤ÉÍ 10Mb/s Ü½Í 100Mb/s
ÌC[TlbgXCb`yó: XCb`Onuzðg¤Kvª
èÜ·B
o C[TlbgJ[hãÌ 10/100Mb/s SPEED ©®lSVG[V
ÆSñd/¼ñd©®lSVG[VÌoû¤Albg[NÌj
óðN±·±Æª èÜ·BÅ«êÎ NIC Ì speed Æ duplex Ì
¼ûÆàJ[lE\[XÉÝèð¼É«Þ (n[hR[h)
±Æð¨§ßµÜ·B±êÍALinux NIC J[lEW
[É
ͼÚÝèÂ\ÈÌÅ·ªAJ[lW
[ðgí¸hCo
ð¼ÉgÝÞæ¤ÝèµÄRpC³ê½J[l (m
VbNEJ[l) ɨ¢ÄͼÚÝèÂ\ÅÍ èܹñB±Ì
êA ``'' ©çÌ MII utilities ðg¤©AܽÍJ[l\[
XÉÝèð¼É«ÞKvª èÜ·B
o MTU ðÅK»µAÈÆà 8192 É TCP Sliding window ðZbgµÜ
·B
o ®Sɱ̶ÌÍÍOÈÌÅ·ªA±êÍ PPP, C[Tlbg,
TokenRing AàܽÍOÉÁÄ¢éSÄÌlbg[NE
N𵾯ǵܷB±ÌgsbNÌÚ×ÍAãLÌ ``MTU â
è'' ÌÚÌÅÈÉGêçêĢܷBXÉàÁÆÚµÍ
TrinityOS - Section 16 Ì lbg[NÌÅK» (Network
Optimization) ÌÍð`FbNµÄ¾³¢B
o PPP ðgÁÄ¢éVAfÌ[U
o OfðgÁÄ¢éÈçAæ¢VAP[uðgÁÄ¢é±Æ
ðm©ßľ³¢B³çÉA½Ì PC ÍA}U[{[h© I/O J
[h©çVA|[gRlN^ÜÅð½×Á½¢{EP[uÅ
Ú±µÄ¢Ü·B±êçª êÎA»êªæ¢óÔÅ é±Æðm©ß
ľ³¢BÂlIÉAÍSÄÌ{EP[uÌÜíèÉtF
CgERA(DFÌà®IÈO)ðt¯Ä¢Ü·B
o ±Ì HOWTO Ì FAQ ZNVÌãÌÙ¤ÉLÚ³ê½æ¤É MTU ª
1500 ÉZbg³êÄ¢é±Æðm©ßľ³¢B
o VA|[gª 16550A é¢Í»êæèÇ¢ UART Å é±Æðm
©ßľ³¢B ²×éÉÍ "dmesg | more" R}hðÀsµÜ
·B
o VA|[gÌ IRQ ÌÝè
o ÙÆñÇÌ PC n[hEGAãÅ Craig Estey Ì IRQTUNE
<http://www.best.com/~cae/irqtune/> tool ðg¤Æ SLIP â PPP
Ú±ðÜÞVA|[gÌ«\ðµü㳹ܷB
o PPP Ú±pÌVA|[gª 115,200 bpsi½Í ISDN ^[~iA
_v^Ìæ¤ÈAfÆVA|[g̼ûªµ¦éêÍA±
êæ袬xjÅ®ìµÄ¢é©mFµÄ¾³¢B
o 2.0.x J[l - 2.0.x J[lÅÍ¼Ú 115200 ÉVA|[
gðÝè·é±ÆªÅ«È¢ÌÅAïÈâ詽ðµÜ·Bá¦
Î COM2 ÉÚ±³ê½fÌêÍ /etc/rc.d/rc.local Í
/etc/rc.d/rc.serial Ìæ¤ÈN®XNvgt@CÌÅA
Ìæ¤ÈR}hðÀsµÜ· -
o setserial /dev/ttyS1 spd_vhi
o PPPd XNvgÌÅApppd Ì man y[WÉ]ÁÄ speed
"38400" ðÜÞæ¤ÉÀÛÌ pppd ÀsCðÒWµÄ¾³
¢B
o 2.2.x J[l - 2.1.x Æ 2.2.x ÌJ[lͼû¤ 2.0.x J[
lÆá¢A±Ì "spd_vhi" âèÍ èܹñB
o Å·ÌÅA PPPd XNvgÅ pppd Ì man y[WÉ]¢A
"115200" ÌVA]¬xðÜÞæ¤ÉÀÛÌ pppd R}
hCðÒWµÄ¾³¢B
o All interface types:
7.18. PORTFW ð IP }XJ[hÅgÁĢܷªACª·¢ÔÒ¿ó
ÔÉ ÈéÆØêĵܢܷB
DSL ©P[ufÌ[UÈçÎAs^Éà±Ì»ÛÍñíÉêÊIÅ
·Bî{IÉN±ÁÄ¢é±ÆÍA ISP Ígp̼ÌÚ±ðDæµÄT[
rX·é½ßÉA ȽÌÚ±ðDæxÌñíÉá¢L
[ÉÇ¢âÁĵÜ
¤©çÅ·BâèÍ[UÌ DSL âP[ufÚ±©çÌgtBbN
ª ISP Ìn[hEGAðN±·ÜÅÌÔAÀÛÉGh[UÌÚ±ªg¦
ÈÈÁĵܤ±ÆÅ·B
o
o DSL ÝõÌÉÍAgp³êĢȢڱðØfµÄµÜ¢ANCA
gªÚ±³êÄ¢é©Û©ð 30 bÉêxöxµ©`FbNµÈ¢àÌà
èÜ·B
o P[ufÌÝèÉæÁÄÍAgp³êĢȢڱðá¢Dæx
yó: priority queuezÉÝèµANCAgªÚ±³êÄ¢é©Û
©ð 1 ªÔÉ 1 ñöxµ©`FbNµÈ¢àÌà¶ÝµÜ·B
Ǥµ½ç¢¢Åµå¤©? 30 bÉêx ping ðftHgQ[gEFCÉ
°Üµå¤B±êðâéÉÍ /etc/rc.d/rc.local t@CðÒWµAt@
CÌêÔºÉȺðt¯Á¦Ä¾³¢B
______________________________________________________________________
ping -i 30 100.200.212.121 > /dev/null &
______________________________________________________________________
100.200.212.121 ð©ªÌftHgE[^ (ã¬Ì[^) Éu«·¦Ä
¾³¢B
yó: ADSL ½ÍP[ufÅC^[lbgÚ±·éÛÉAvo
C_¤©ç©®IÉftHgQ[gEFCªèUçêéêÍA±ÌAh
XªÚ±ÌxÉÏX³êéÂ\«ª éÌÅAÓªKvÅ·Bv
oC_ªñ¦·éÚ±¿ÉAÅèÌftHgQ[gEFCª¦³êÄ¢é
êÍAãLÅè IP Ìû@ªg¦Ü·ªA»¤ÅÈ¢êÍAÚ±m§ÌÛ
ÉÀs³êéVFXNvg©çAftHgQ[gEFCÌ IP AhX
ðE¢oµÄAãLR}hðÀsµÈ¯êÎÈèܹñBz
7.19. IP }XJ[h𮩷±ÆªÅ«Üµ½ªASYSLOG ÌOt@C
É çäéíÞÌÈÊmâG[ðó¯æÁĢܷB IPFWADM â
IPCHAINS Ìt@CAEH[G[ðǤÇßÎæ¢Åµå¤©?
°çAmF·×«¤Êªñ èÜ· -
o }XJ[h - ¸sµ½ TCP Ì`FbNTG[ - ±ÌG[ÍAC
^[lbg¤©çépPbgÌf[^ªÉG[ª Á½É©é
ŵ太A»êÈOÌÉ©é±ÆÍȢŵå¤B Linux {bNXª
±ÌpPbgðóMµ½Æ«ApPbgÌ CRC ðvZµÄG[ªÈ¢©
m©ßÜ·B}CN\tg Windows Ì OS Ì}VÅÍAPÉpPb
gðÌÄ龯ŷªA Linux IP }XJ[hͱêðñµÜ·Bà
µA Ƚª PPP NÅòRÌñððó¯éæ¤ÈçAæ¸±Ì FAQ
ÌOÌûÉ é "}XJ[hªx¢" ÌÉ]Áľ³¢B
o àµãLÌSÄðÀsµÄàðÅ«È©Á½êÍA /etc/ppp/options
t@CÉ "-vj" ðÁ¦Ä©ç PPPd ðÄN®µÄ¾³¢B
o t@CAEH[qbg - C^[lbgãÅK³Èt@CAEH[ð
õ¦éÆAÈñƽÌlXª È½Ì Linux {bNXÉNüµæ¤Æµ
½©ÉÁŵå¤B»µÄA±êçÌt@CAEH[EOÌSÄÍ
½ðÓ¡·éÌŵ天?
TrinityOS - Section 10
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-linux.html#TrinityOS>Ì
¶©ç -
ȺÉL·[ZbgAt@CAEH[EqbgÌOðæé×ÉA
DENY ½Í REJECT ÌsÉÍ "-l" (IPCHAINSðg¤êB±êͬ¶Ì
"L") Ü½Í "-o" (IPFWADMðg¤ê) ªt³êA±êÉÐÁ©©Á½
gtBbNÍSÄȺɦ· SYSLOG bZ[Wt@CÌ¢¸ê©É
«o³êÜ·B
yó: ut@CAEH[Eqbgv(firewall hit) ÆÍA DENY ½Í
REJECT [ÉKµApPbgð@«µ½»ÛðwµÄ¢Ü·B
KØÈú{êóªv¢t©È©Á½±ÆÆA±ÌãɽxàoÄÜ·ÌÅA
¸¦Äú{êóɵܹñŵ½Bz
Redhat: /var/log
Slackware: /var/adm
±êçÌt@CÌ¢¸ê©ÉL^³êét@CAEH[EOÍA
±Ìæ¤ÉÈéÅµå¤ -
---------------------------------------------------------------------
IPFWADM:
Feb 23 07:37:01 Roadrunner kernel: IP fw-in rej eth0 TCP 12.75.147.174:1633
100.200.0.212:23 L=44 S=0x00 I=54054 F=0x0040 T=254
IPCHAINS:
Packet log: input DENY eth0 PROTO=17 12.75.147.174:1633 100.200.0.212:23
L=44 S=0x00 I=54054 F=0x0040 T=254
---------------------------------------------------------------------
±Ì½Á½ 1 sÌÉòRÌîñª èÜ·B
±Ìáðð«Ù®µÄ¢«Üµå¤B
»ÌãA©ªÌOt@CÉL^³êÄ¢ét@CAEH[Eqbg
ÉßÁÄA±êðÇñ¾æ¤ÉÇÝϦÄÝľ³¢B
IPCHAINS [UͼÚÇޱƪūéÌÅA±ÌáÍ IPFWADM Ì×É
èÜ·B
--------------
- ±Ìt@CAEH[ÌqbgÍ "Feb 23 07:37:01" ɶ¶Üµ½B
- ±ÌqbgÍ "RoadRunner" Rs
[^ÖÌqbgÅ·B
- ±ÌqbgÍ "IP" Ü½Í TCP/IP vgRÅ·B
- ±ÌqbgÍ t@CAEH[Ì IN ÖÌqbgÅ·B ("fw-in")
* ¼É "fw-out"Í OUT A "fw-fwd" Í FORWARD ÖÌqbgÅ·B
- ±Ìqbgͱ±Åâi "rejECTED"j³êܵ½B
* ¼Ì LOG Í "deny" Ü½Í "accept"Æ\¦³êÜ·B
- ±Ìt@CAEH[EqbgÍ "eth0" C^[tF[XãÌ
àÌÅ·B (Internet link)
- ±ÌqbgÍ "TCP" pPbgŵ½B
- ±ÌqbgÍ IP AhX "12.75.147.174" ÌÔM|[g "1633" ©ç
ܵ½B
- ±ÌqbgÍAhX "100.200.0.212" Ì|[g "23" ·Èí¿
TELNET ¶Å·B
* ൠ23 ª TELNET |[gÆmçÈ¢Èç, /etc/services
t@CżÉÇñÈ|[gªgíêĢ驩ľ³¢B
- ±ÌpPbgÍ "44" oCgÌ·³Åµ½B
- ±ÌpPbgÉÍ "Type of Service" (TOS) ªZbg³êÄ
¢Ü¹ñŵ½B
--±êªðÅ«ÈÄàSzvèܹñB.. méKvÍ
èܹñB
* ipchains [Uª TOS ð¾éÉÍA±êð 4 ÅÁľ³¢B
- ±ÌpPbgÍ "IP ID" Ô "18" ðÁĢܵ½B
--±êªðÅ«ÈÄàSzvèܹñB.. méKvÍ
èܹñB
- ±ÌpPbgÉÍ "0x0000" ÌtOð TCP/IP pPbgðÜñ¾
16bit fragment offset ªÝè³êĢܵ½B
--±êªðÅ«ÈÄàSzvèܹñB.. méKvÍ
èܹñB
* "0x2..." Ü½Í "0x3..." ÅnÜélÍ "More Fragments" bit
ªZbg³êÄ¢ÄAª³ê½pPbgðêÂÌå«È
pPbgÉ®¬³¹é×ÌÊÌpPbgªé±ÆðÓ¡µÜ·B
* "0x4..." Ü½Í "0x5..." ÅnÜélÍ "Don't Fragment" bit
ªZbg³êĢܷB
* ±êÈOÌlͳÌå«ÈpPbgðÄ»·é½ßÉãÅgíêé
(8 Åçê½) tOgItZbgÅ·B
- ±ÌpPbgÉÍ TimeToLive (TTL) ÆµÄ 20 ªÝè³êĢܵ½B
* pPbgªC^[lbgÌoHãÉ éSÄÌ[^ðÊß
·éyó: hopzÛÉA±Ì©ç (1) ªø©êÜ·B
ÊíApPbgÍ (255) Æ¢¤ÅnÜèÜ·B»µÄ±Ìª
(0) ÉB·éÆAÀÛÍpPbgª¸íêAí³êé±ÆðÓ¡
µÜ·B
7.20. C^[lbg[Uª¼ÚÉà}XJ[hENCAgÆA
ð æé±ÆªÅ«éæ¤É IP }XJ[hðÝèÅ«Ü·©?
Í¢! IPPORTFW ðg¦ÎASÌàµÍÌÜÁ½C^[lbgz
Xgª}XJ[hÚ±³ê½lbg[NàÌCÓÌRs
[^ÉÚ±
Å«éæ¤ÉÝè·é±ÆªÅ«Ü·B±ÌgsbNͱÌHOWTOÌ ``tH
[_ (|[g]c[)'' ÌÍÅ®SÉÔ
³êĢܷB
7.21. SYSLOG t@CÉ "kernel: ip_masq_new(proto=UDP): no free
ports." Ì bZ[Wª èÜ·B Ǥµ½Ìŵå¤?
lbg[NàÌ}XJ[h³êÄ¢éRs
[^Ì 1 ªAC^
[lbgÉü¯ÄÙíÉå«ÈÌpPbgð¶µÄ¢Ü·B IP }XJ
[hET[oª}XJ[hEe[uðìÁÄAC^[lbgãɱêç
ÌpPbgð]·éÆ«Ìe[uª}¬É©êĢܷBe[uª
tÉÈéƱÌG[ª¶¶Ü·B
ªmÁÄ¢é êIɱÌóÔðìèo·½¾êÂÌAvP[V
ÍAQ[vOÌ "GameSpy" Å·BȺŵ天? Gamespy ÍT[
oXgðìÁÄXgÉ é·×ÄÌçàÌT[oÉ ping ðÅ¿Ü·B
±Ì ping ðűÆÉæèAñíÉZ¢ÔàÉàÌ}¬ÈÚ±ðìè
Ü·B IP }XJ[h Ì^CAEgÉæÁıÌZbVª^CA
Eg·éÜÅA}XJ[hEe[uÍtÉÈèÜ·B
Ǥµ½ç¢¢Åµå¤©? »ÀIÉÍA±Ìæ¤ÈvOðgpµÈ
¢±ÆÅ·BàµO©ç±Ìæ¤ÈG[ð©Â¯½çA»Ì´öÉÈÁÄ
¢évOð©Â¯ÄAg¤Ìð~ßľ³¢Bàµ{É GameSpy
ªD«ÈçAT[oEtbV
¾¯ÍsíȢž³¢BÆÉ©A±
Ì}XJ[h³ê½vOÌÀsðâßêÎA±Ì}XJ[hEG
[Í}XJ[hEe[uÌÚ±^CAEgÉæèA©RÉðÁµÜ·B
7.22. IPPORTFW ðg¨¤Æ·éÆ "ipfwadm: setsockopt failed: Protocol
not available" Æ¢¤G[ªoÜ·B
àµA "ipfwadm: setsockopt failed: Protocol not available" yó:
"ipfwadm: setsockopt ª¸s: vgRͳøÅ·"zÆ¢¤G[bZ
[WªoéÈçAVµ¢J[lª®ìµÄ¢Ü¹ñBVµ¢J[lÉÚs
µ½ðmFµALILO ðÄÀsµÄ©çà¤êxÄN®µÄ¾³¢B
ÚµÍ ``tH[_ (|[g]c[)'' ÌÍÌÅãÌÙ¤ð©Ä¾
³¢B
7.23. ( SAMBA ) - Microsoft t@CÆv^¤p (File and Print
Sharing) Æ Microsoft hCNCAgª IP }XJ[hÅ®ìµÜ
¹ñB Microsoft Ì SMB vgRðKØÉT|[g·éÉÍA IP }XJ
[hE W
[ª©êéKvª èÜ·ªA3 ÂÌÀsÂ\Èû@ª
èÜ·B Ú×Íthis Microsoft KnowledgeBase article ð©Ä¾³¢B
ÅÌû@Í ``tH[_ (|[g]c[)'' ÌÍðQlɵÄ
IPPORTFW ðÝèµA TCP |[gÌ 137, 138, 139 ÔðàÌ Windows }V
Ì IP AhXÉ|[gtH[hµÜ·B±êÅà®ìµÜ·ªA±Ìû
@ÅÍàlbg[NÌ}V̤¿Ì 1äŵ©®ìµÜ¹ñB
æ 2 Ìð@ÍA Linux }XJ[hT[oãÅ Samba ðCXg[
µAÝè·éÅ·B Samba ª®ì·éÈçA Samba T[oãÉàÌ
Windows Ìt@CÆv^̤L (Windows File and Print shares) ð
}bsOÅ«Ü·B»ê©çVµ}Eg³ê½ SMB ¤LðASÄÌO
NCAgÉ}EgÅ«Ü·B Samba ÌÝèû@Í Linux
Documentation Project ÌÉ é HOWTO ÉÄ®SÉÔ
³êĨèAܽ
±êƯlÉ TrinityOS ̶Éà èÜ·B
æ 3 Ìð@ÍA2 äÌEChEY}VÔÅA½Í 2 ÂÌlbg[N
ÔÅ VPN (¼zvCx[gElbg[N) ð`¬·é±ÆÅ·B±êÍ
PPTP oR© IPSEC VPN Éæéðû@ÌÇ¿çÅàs¤±ÆªÅ«Ü·B
Linux pÌ ``'' pb`ª èÜ·µAIPSEC ÌÀÍ 2.0.x Æ 2.2.x ÌÇ
¿çÌJ[lÅàÂ\Å·B±Ìð@ª°ç 3 ÂÌSÄÌð@Ì
ÅÅàmÀÅÅàÀSÈû@ÉÈéŵå¤B
±êçÌðû@ÌSeÍA±Ì HOWTO ÅÍÔ
³êĢܹñB IPSEC Ì
wvÍ TrinityOS ̶ð©Ä¾³¢BXɽÌîñð¾½¢ÈçA
JJohn Hardin Ì PPTP Ìy[Wð©Ä¾³¢B
ܽA Microsoft Ì SMB vgRÍZL
eBãñíÉâèª é±Æ
ððµÄ¾³¢B±Ì½ßA Microsoft t@CÆv^̤L
(File and Print sharing) â Windows hCOCðAC^[lbg
ãÅû³êÈ¢gtBbNÌÜÜg¤±ÆÍñíÉë¯Å·B
7.24. ( IDENT ) - IRC ª}XJ[hENCAgÌ IRC [UŤÜ
®ìµÜ¹ñB Ⱥŵ天?
ÅàÂ\«ª¢´öÍA½Ì Linux fBXgr
[Vɨ¢Ä¤
ÊÉõ³êÄ¢é IDENT, ·Èí¿ "Identity" T[oÍA IP }XJ[
hENÉÎÅ«È¢±ÆÅ·BÅàSzͳpÅ·B Linux Å®ì·
éA±êÉÎÅ«é IDENT vOª¼É èÜ·B
±Ì\tgEFAÌCXg[Í±Ì HOWTO ÌÍÍOÅ·Bµ©µAec
[ÉÍ»Ì×̶ª èÜ·B±±ÉA»Ì URL ðô©ÐîµÜ· -
o Oident <http://freshmeat.net/projects/oidentd/homepage/> ÍA}XJ
[hE[U¨CÉüèÌ IDENT T[oÅ·B
o Mident <ftp://ftp.code.org/pub/linux/midentd/> ÍlCÌ éà¤êÂ
Ì IDENT T[oÅ·B
o Sident <http://insecurity.net/sidentd.gz>
o Other Idents
<ftp://sunsite.unc.edu/pub/Linux/system/network/daemons/>
T[oª Ident îñð¾Ä[UªÙÈÁÄ¢½ÆmÁÄàA¯¶zXg©
ç̽dÚ±ð»¤ÆµÈ¢¢Â©ÌC^[lbg IRC T[oª é
±ÆÉӵľ³¢BT[oÌVXeÇÒÉêîð¾Áľ³¢B
:)
7.25. ( DCC ) - mIRC Ì DCC Mª®ìµÜ¹ñB
±êÍ mIRC ÌÝèÌâèÅ·B±êðð·éÉÍAÅÉ mIRC ð IRC
T[o©çØfµÄ¾³¢B»ê©ç mIRC ÅA File ¨ Setup ÆiÝA
IRC servers ^uðNbNµÜ·B|[g 6667 ªÝè³êÄ¢é±Æðm
©ßľ³¢B¼Ì|[gðv·éÈçãqÌLÚðQƵľ³¢B
ÉA File ¨ Setup ¨ Local Info ðJ¢ÄA Local Host Æ IP
Address ÌtB[hðNAµÄ¾³¢BÉ "LOCAL HOST" Æ "IP
address" Ì`FbN{bNXðIðµÜ·B ( IP address Í`FbNÅ«
é©àµêܹñª³øÉÈèÜ·B) É "Lookup Method" ̺Å
"normal" ÉÝèµÜ·Bൠ"server" ªIð³êÄ¢éÆ®ìµÜ¹ñB
»ê¾¯Å·B IRC T[oÉÄÑq¢ÅÝľ³¢B
yó: mIRC Í É éA Windows n OS ü¯ÌAVFAEFAÌ IRC N
CAgÅ·BȨAóÒª_E[hµÄpµÄÝܵ½ªAú{ê
Ì\¦Íūܹñŵ½Bz
ൠ6667 ÈO (á¦Î6969) ÌIRC T[oÌ|[gðv·éÈçAIRC }
XJ[hEW
[ð[h·é×ÉAN®t@C
/etc/rc.d/rc.firewall ðÒW·éKvª èÜ·B±Ìt@CÌ
"modprobe ip_masq_irc" ÌsÉ "ports=6667,6969" ðÇÁµÜ·BXÉAJ
}ÅæØÁÄ|[gÌwèðÇÁÅ«Ü·B
ÅãÉASÄÌ}XJ[h}VãÌSÄÌ IRC NCAgðØfµ
ÄA IRC }XJ[hEW
[ð[hµÄ¾³¢ -
/sbin/rmmod ip_masq_irc /etc/rc.d/rc.firewall
7.26. ( IP Aliasing ) - IP }XJ[hÍ1¾¯ÌC[Tlbg lbg
[NJ[hÅ®ìµÜ·©?
uÍ¢vÆàu¢¢¦vÆྦܷB[UÍJ[lÌ "IP Alias" @\
ðgÁÄA eth0:1, eth0:2 Ìæ¤ÉʼðgÁ½½dÌC^[tF[Xð
ÝèÅ«Ü·Bµ©µA IP }XJ[hð±ÌʼC^[tF[XÉg¤
±ÆͨEߵܹñB½ÌÈçAPêÌ NIC J[hÅÍÀSÈt@CA
EH[ðñ·é±ÆªñíÉ¢ïÉÈèÜ·B±êÉÁ¦ÄAüÁĽ
pPbgªÙÆñǯɳêéÌÅA±ÌNãÅÙíÈÊÌG[
ðo±·éŵå¤B±ÌRÆA»ÝÍ NIC J[hª $10 ¢Ì¿iÅ·
©çAÍ»ê¼êÌ}XJ[hÚ±³ê½lbg[NEZOgÉ
1 ¸ÂÌ NIC ðèÉüêé±Æð¨§ßµÜ·B
ܽIP}XJ[hÍ eth0, eth1 Ìæ¤È¨IÈC^[tF[Xãŵ
©®ìµÈ¢ÆvÁľ³¢B "eth0:1, eth1:1, ÈÇ" ÌʼC^[
tF[XðgÁÄà}XJ[hÍ®ìµÈ¢Åµå¤B¾¢Ö¦êÎAȺ
Ìæ¤ÈàÌÍ®ìµÜ¹ñ -
o /sbin/ipfwadm -F -a m -W eth0:1 -S 192.168.0.0/24 -D 0.0.0.0/0
o /sbin/ipchains -A forward -i eth0:1 -s 192.168.0.0/24 -j MASQ"
»êÅàʼC^[tF[XÉܾ»¡ðÁÄ¢éÌŵ½çAJ[l
Ì "IP Alias" @\ðLøÉ·éKvª èÜ·B»ÌãAÄRpCµA
u[gµÜ·BêxVµ¢J[lðÀs·éÆAVµ¢C^[tF[X
(ÂÜè /dev/eth0:1 ÈÇ) ðgp·é½ßÉ Linux ÌÝèªKvÉÈèÜ
·B»ÌãÍãLÌæ¤Èô©̧Àª èÜ·ªAÊíÌC[TlbgE
C^[tF[XÌæ¤Éµ¤±ÆªÅ«Ü·B
7.27. ( MULTI-LAN ) - Í 2 ÂÌ}XJ[h³ê½ LANðÁĢܷ
ªA»êçÍÝ¢ÉÊMūܹñB
Ú×Í ``¡Ìàlbg[NÖÌ IP }XJ[h'' ð©Ä¾³¢B
7.28. ( SHAPING ) - ÍAÁèÌ^CvÌgtBbN̬xð§Àµ½
¢Æv¢Ü·B
±ÌgsbNÍÀÛÍ IP }XJ[hÆÍÖWÈALinux J[lÉgÝ
ÜêÄ¢égtBbNVF[sOÆ[g§À@\ªSÄðs¢Ü·B
Ú×ÍJ[l\[Xc[É é
/usr/src/linux/Documentation/networking/shaper.txt ð©Ä¾³¢B
yó: ugtBbNVF[sOvÍAJ[lÌ Traffic Shaper
(CONFIG_SHAPER) Æ¢¤XCb`Åwè³êé@\ÅAêÊÉlbg[N@
íÌoͤÅsíêé@\ðwµÜ·Bu[g§ÀvÆ¢¤¾tÍAL¢Ó
¡ÅÌlbg[NÌÑæ§ÀZpSÌðwµAOqÌgtBbNVF[s
O¾¯ÅÈAïÌIÉÍ|VOâL
[Ì}lWgAXPW
[
OÌ@\àÜÜêÜ·Bz
±êÉÖµÄAIPROUTE2 Ì×Ì ``2.2.x J[lÌKvð'' ÌÍ̺
ÉA¢Â©Ì URL ðÜÞ½Ìîñª èÜ·B
7.29. ( ACCOUNTING ) - ÍNªlbg[NðgpµÄ¢é©É¢Ä
Ç·éKvª èÜ·B
IP }XJ[hÅÅ«é±ÆÍ»¤½Í èܹñªA±±Éô©ÌA
CfAª èÜ·BàµAàÁÆÇ¢ð@ðmÁÄ¢éÈçA±Ì HOWTO
ÌÒÉ[ðÁľ³¢B»¤·êÎAHOWTO ÉÚ¹çêÜ·B
o ACfA #1 - C^[lbgÖoÄ¢ www gtBbNðSÄL^µ
½¢Æ¾¤±ÆÅ·ËBt@CAEH[E[Éu|[g 80 Ôð
ACCEPT vÆÝèµÄA SYN rbgªÝè³ê½gtBbNðOL^
·éæ¤ÉÝèÅ«Ü·B½¾A±êÍñíÉå«ÈOt@Cðì¬
·é±ÆÉӵľ³¢B
o ACfA #2 - "ipchains -L -M" R}hð 1 bÔÉêxÀsµA±ê
çÌGg[ÌSÄðOL^µÜµå¤B»ÌãA±ÌîñðÐÆÂ
Ìå«Èt@CÖ¹·évOð«Üµå¤B
7.30. ( MULTIPLE IPs ) - ¢Â©ÌO IP AhXðgÁÄA¢Â
©Ìà}VÖ PORTFW µ½¢ÌÅ·ªÇÌæ¤ÉâéÌŵ天B
ūܹñB}XJ[hÍ 1Î½Ì NAT ZbgAbvÅ·B Ƚª{µ
Ä¢éæ¤Èc[ÅÍ èܹñB Ƚª{µÄ¢éÌÍ½Î½Ì NAT
Éæéðû@ÅA]Ì NAT ZbgAbvÅ·B ȽªKvÈÌÍ
IPROUTE2 c[ÅAÚµÍ FAQ ÌÍÌ ``gtBbNVF[sO'' É
é IPROUTE2 ÉÖ·éÓð©Ä¾³¢B
1 ÂÌà NIC ð "IP Alias" ðgÁÄ¡ IP AhXɵA»µÄ±ê
ç·×ÄÌ|[g (0-65535) ð|[gtH[hµAIPROUTE2 ðgÁÄKØ
È\[X^fBXeBl[VÌ IP yAðÛ·é±Æðl¦Ä¢élÖ
ÌñÉÈèÜ·B±êÍJ[l 2.0.x Ťܢ«AJ[l 2.2.x Å
àæè¤Ü¢«Üµ½B±Ì¬÷É©©íç¸A±Ìâ詽ͻêðs¤
KØÈû@ÅÈAT|[g³ê½}XJ[hÌg¢ûÅÍ èܹ
ñBIPROUTE2 ð©Ä¾³¢.. {Ì NAT ðs¤³µ¢û@ª èÜ·B
ܽà¤êÂÌÓÅ·ª -
àµAubW³ê½ DSL ©P[uEf (PPPoEÅÍÈ¢)ðgÁÄÚ
±µÄ¢êÎA ȽÌ\¬ÅÍoHðßçêÈ¢ÌÅAµïµÈèÜ
·BÅàSzÍ¢èܹñB LDP Ì "Bridge+Firewall, Linux
Bridge+Firewall Mini-HOWTO" ð`FbNµÄ¾³¢B Linux {bNXª
êÂÌC^[tF[XãÅA¡Ì IP AhXðT|[g·éû@ð³¦
Äêéŵå¤B
7.31. Í}XJ[h³ê½Ú±ð©é×A NETSTAT R}hð g¨¤
Ƶܵ½ªA±êª®ìµÄêܹñB
2.0.x x[XÌ Linux fBXgr
[VÉÜÜêé "netstat" vO
Éâèª é©àµêܹñB Linux ðu[gµ½ãA"netstat -M"
ðN®·éÆA¤Ü®ìµÜ·Bµ©µA}XJ[h³ê½Rs
[^
ª ping â traceroute Ìæ¤ÈA ICMP gtBbN𶵽ãÉAȺ
Ìæ¤ÈG[ð©é©àµêܹñ -
masq_info.c: Internal Error `ip_masquerade unknown type'.
±Ì½ßÌãÖèiÍ "/sbin/ipfwadm -M -l" R}hðgp·é±ÆÅ
·BܽêxXg³ê½ ICMP }XJ[hEGgª^CAEg·é
ÆA "netstat" ÍÄÑ®ì·é±ÆÉCªtŵå¤B
7.32. ( VPNs ) - Microsoft PPTP (GRE tunnels) Ü½Í IPSEC (Linux
SWAN) glð IP }XJ[h ðʵÄg¢½¢ÌÅ·ªB
±êÍÂ\Å·B»êͽ±Ì¶ÌÍÍOÅ·ªAÚµÍ John Hardin
Ì PPTP Masq y[Wð`FbNµÄ¾³¢B
7.33. XYZ lbg[NEQ[ð IP }XJ[h ðʵÄg¢½¢ÌÅ
·ªA ¤Ü¢«Ü¹ñB¯Ä!
ܸASteve Grevemeyer's MASQ Applications page
<http://www.tsmservices.com/masq> ð`FbNµÄ¾³¢Bàµð@ª
»±ÉÈ©Á½çALINUX J[lÉ Glenn Lamb Ì LooseUDP
<ftp://ftp.netcom.com/pub/mu/mumford/loose-udp-2.0.36.patch.gz> pb`
ðÄľ³¢B»êÍ±Ì¶Ì ``'' ÌÍÌÉÔ
³êĢܷBÜ
½àÁƽÌîñÍ Dan Kegel Ì NAT Page
<http://www.alumni.caltech.edu/~dank/peer-nat.html> ð`FbNµÄ¾
³¢B
àµZpIÉ»¡ª éÈçA"tcpdump" vOðgÁÄA ȽÌlb
g[Nð`¢ÄÝľ³¢B»µÄ XYZ Q[ªgÁÄ¢évgR
Æ|[gÔð©Â¯oµÄ¾³¢B±Ìîñðµ½çAIP Masq [
OXg ð{µÄA²×½Êð[µÄ¯ÄàçÁľ³
¢B
7.34. IP }XJ[h ÍbÌÔͤܮìµÜ·B µ©µA»ÌãA
®ìµÈÈèÜ·B ÄN®·éÆbÌÔ±êªð³ê½æ¤É©¦Ü
·B Ⱥŵ天?
È½Í IPAUTOFW ðgÁÄ¢é©A½Í»êðJ[lÉRpCµÄ¢
é±ÆÉq¯Üµå¤BËA»¤¶áȢŷ©? ±êÍ IPAUTOFW ÉÖ·
éùmÌâèÅ·B Linux J[lÉ IPAUTOFW ðgíÈ¢ÅAãíè
ÉIPPORTFW ðgÁľ³¢BÚ×Í ``tH[_ (|[g]c[)''
ÌÍÌÅÔ
³êĢܷB
7.35. lbg[NàÌ}XJ[h³êÄ¢éRs
[^ª SMTP â
POP-3 [ðÁÄêܹñ!
±êÍ}XJ[fBOÌâèÅÍÈ¢ÌÅ·ªA½Ìlª±¤ÈéÌ
ÅA¾yµÜ·B
SMTP - âèÍA°ç SMTP pT[oÆµÄ Linux {bNXðgpµÄ¨
èAȺÌG[ª¶µÄ¢éÌÅÍȢŵ天 -
"error from mail server: we do not relay" ([T[o©çÌG[ -
]ūܹñB)
Sendmail ÌæèVµ¢o[Wâ¼Ì[]G[WFg (MTA) T[
oÍAftHgÅpðÖ~µÄ¢Ü·B(±êÍ梱ÆÅ·) ]ÁÄA
±êðð·é½ßɺLðsÁľ³¢ -
o Sendmail - /etc/sendmail.cw t@CðÒWµÄA»Ìt@CÉlb
g[NàÌ}XJ[h³êÄ¢éRs
[^ÌzXg¼yÑh
C¼ðÁ¦ÄA}XJ[h³êÄ¢é}V©çÌ[Ìpð
µľ³¢BXÉ /etc/hosts t@CÌÅ IP AhXyÑ FQDN
(zXg¼ÆhC¼ª®SÉLq³ê½¼O) ðÝèµÄ¢é±Æð
`FbNµÄ¾³¢BIíÁ½çA»ÌÝèt@CðÇÝÞ×É
sendmail ðÄN®·éKvª èÜ·B±êÍ TrinityOS - Section 25
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-
linux.html#TrinityOS> ÌÅÔ
³êĢܷB
POP-3 - é[UÍlbg[NàÌ}XJ[h³êÄ¢éR
s
[^Ì POP-3 NCAgðA éOÌ SMTP T[oÖÚ±·éæ
¤ÉÝèµÜ·BÚ±ª³êÄ¢éÔA½Ì SMTP T[oÍ|[g 113
ðʶıÌÚ±É IDENT ðÝéŵå¤B±±ÅÅà 調Èâè
ÍAftHgÌ}XJ[hE|V[ª DENY ÉÝè³êÄ¢é±Æ
Å·B±êÍÇ èܹñB±êð REJECT ɵÄArc.firewall [
ZbgðÄÀsµÄ¾³¢B
7.36. ( IPROUTE2 ) - ÍAOÉoé½ßÌÙÈéO IP AhXðAÙ
Èé à}XJ[hlbg[NÌeXÉèÄéKvª èÜ·B
±Ìâèð¾¢·¦éƱ¤¢¤±ÆÅ· - ¡Ìàlbg[NÆXÉ
¡ÌO IP AhXܽÍlbg[NðÁĢܷBâè½¢±ÆÍ
LAN #1 ©çÍO IP #1 ¾¯ðgpµALAN #2 ©çÍO IP #2 ðgp·
é±ÆÅ·B
à LAN -%#045;--------> ö®È IP
LAN #1 O IP #1 192.168.1.x -->
123.123.123.11
LAN #2 O IP #2 192.168.2.x -->
123.123.123.12
î{IÉA±±ÅLqµ½àÌͶæAhXÉæé[eBO (T^IÈ
IP [eBO) ¾¯ÅÈAM³AhXÉîâÄÌ[eBOÉ
¢ÄÅ·B±êÍêÊIÉ "policy-based routing" yó: |V[Éî
â½[eBOz é¢Í "source routing" yó: M³[eB
OzÆÄÎêÜ·B±Ì@\ÍJ[l 2.0.x ÅÍñ³êĢܹñ
ªAJ[l 2.2.x ÅÍ IPROUTE2 pbP[WÉæÁÄñ³êĢܷB
»µÄ±êÍ IPTABLES ðg¤Vµ¢J[l 2.4.x ÉÍgÝÜêÄ¢Ü
¹ñB
æ¸A IPFWADM yÑ IPCHAINS ͼû¤A[eBOVXeªó¯æÁ
½pPbgðDZÖé׫©èµ½ *ãÉÈÁÄ* ßÄÖ^·éà̾
Æ¢¤±ÆððµÈ¯êÎÈèܹñB±Ì®ìÌdgÝÍASÄÌ
IPFWADM/IPCHAINS/IPMASQ ̶Éå«ÈÔ¢X^vųêéÙÇA{
ÉdvȱÆÅ·B±ÌRÍA[UÍÅÉ[eBOð³µÝèµ
ȯêÎÈç¸A»ÌãÉ IPFWADM/IPCHAINS yÑ/Í}XJ[h@\ð
ÇÁµnßé±ÆªÅ«é©çÅ·B
ÆÉ©Aãɦ³ê½áÌP[XÉ¢ÄÍA[eBOVXeª
192.168.1.x ©çÌpPbgÍ 123.123.123.11 oRÉA 192.168.2.x ©ç
ÌpPbgÍ 123.123.123.12 oRÆÈéæ¤É³¹éKvª èÜ·B±±
ªïµ¢ªÅA[eBOª³µÈêλÌãÉ}XJ[hðÁ¦é
ÌÍÈPÅ·B
±ÌCÜ®êÈ[eBOðs¤½ßÉAIPROUTE2 ðgpµÜ·B±Ì@
\ÍS IP }XJ[hÆÖWªÈ¢ÌÅA±ÌHOWTO ͱÌgsbNð»
êÙÇÚµÔ
µÜ¹ñB±ÌgsbNÉ¢ÄÍ ``2.2.x J[lÌK
vð'' É é®SÈ URL ƶð©Ä¾³¢B
"iprule" Æ "iproute" R}hÍ "ip rule" Æ "ip route" R}hƯ
¶Å·B (ÍõµÕ¢ÌÅOÒÌÙ¤ªD«Å·B) ºLÌR}hÍS
Ä®SÉͱ³êĢܹñB±êª®ìµÈ¢êA IPROUTE2 ÌÒÆ
AðÆÁľ³¢..±êÍS IP }XJ[fBOÆÖWª èܹ
ñÌÅADavid Ranch â IP }XJ[hE[OXgÌNÆàÖWµ
ܹñB
Å̢©ÌR}hÍN®Éêx¾¯Às·éKvª 龯ŷÌ
ÅA /etc/rc.d/rc.local t@CÌÉLqµÜ·B
# àLANªÝ¢Ì[eBOðÂ\ɵܷB
/sbin/iprule add from 192.168.0.0/16 to 192.168.0.0/16 table main pref 100
# ·×ÄÌ¼Ì 192.168.1.x ©çÌgtBbNÍOÅ·Ae[u 101 ÉæÁĵ¤B
/sbin/iprule add from 192.168.1.0/24 to 0/0 table 101 pref 102
# ·×ÄÌ¼Ì 192.168.2.x ©çÌgtBbNÍOÅ·Ae[u 102 ÉæÁĵ¤B
/sbin/iprule add from 192.168.2.0/24 to 0/0 table 102 pref 102
eth0 ªÝè³êÄ¢éÉA±êçÌR}hðÀs·éKvª èÜ·B
Redhat VXeÅÍA°ç /etc/sysconfig/network-scripts/ifup-post
ÌÅLq·é±ÆÆÈéŵå¤B
±êª®ì·é±Æðm©ßé½ßÉÅÍK¸è®ÅsÁľ³¢B
# e[u 101 ÍAèÄçê½pPbgð·×Ä 123.123.123.11 oRÉw¦µÜ·B
/sbin/iproute add table 101 via 62123.123.123.11
# e[u 102 ÍAèÄçê½pPbgð·×Ä 123.123.123.12 oRÉw¦µÜ·B
/sbin/iproute add table 102 via 62123.123.123.12
±ÌiKÅÍA192.168.1.x ©çOÌ¢EÖÌpPbgª 123.123.123.11 ðoRµÄ¨èA
192.168.2.x ©çÌpPbgÍ 123.123.123.12 ðoRµÄ¢é±ÆðmÁĨ¢Ä¾³¢B
[eBOª³mÉÈÁ½çA¡xÍÇñÈ IPFWADM é¢Í IPCHAINS
[ðàÁ¦é±ÆªÅ«Ü·B
ÌáÍ IPCHAINS pÅ· -
/sbin/ipchains -A forward -i ppp+ -j MASQ
·×ÄÌÝèªÁÄ¢éêA}XJ[hER[hÍpPbgª 123.123.123.11 Æ
123.123.123.12 oRÉ[eBO³êÄ¢é±Æð©ÄA}XJ[hÌ
M³EAhXƵĻêçÌAhXðgpµÜ·B
7.37. ȺVµ¢ 2.1.x yÑ 2.2.x J[lÍAIPFWADM ÌãíèÉ
IPCHAINS ðg¤ÌÅ·©?
IPCHAINS Í IPFWADM ªÁĢȢÌ@\ðT|[gµÜ·B -
o "T[rXÌ¿ " (QoS T|[g)
o IPFWADM Ìæ¤Èü`VXeÉεÄAc[`®Ì`FCVXe
Å·B(á¦ÎA IPCHAINS Íuàµ»êª ppp0 Å êÎA (ÙÈé[
QðÜñÅ¢é)±Ì`FCÉWv¹æBvÌlȱƪūÜ
·B)
o IPCHAINS ÍÝèªæè_îÅ·Bá¦ÎA("insert" yó: }üzÆ
"add" yó: ÇÁzÉÁ¦Ä) "replace" yó: u·zR}hð
õµÄ¢Ü·B³çÉ[ðÛè·é±ÆªÅ«Ü·B (á¦ÎAu
Ìlbg[NãÅo^ÏÝÌ IP AhX©ç¶µ½àÌÅÍÈ¢O
ü«ÌpPbgðSÄpüµÜ·BvÆÝè·êÎA ȽÍãUÌ
¹ÉÍÈç¸ÉÏÝÜ·B)
o IPCHAINSÍPÈéTCP, UDP, ICMP ¾¯ÅÈACÓÌ IP vgRð¾
¦IÉtB^Å«Ü·B
7.38. J[lð 2.2.x ÉAbvO[hµ½çA IP }XJ[hª ®
©ÈÈèܵ½BȺŵå¤?
IP }XJ[hðsÁÄ¢é Linux }VªAùÉC^[lbgÆ LAN
ɳµÚ±³êÄ¢éÌÅ êÎAȺÌÚð`FbNµÄÝľ³¢
-
o KvÈ@\ÆW
[ªRpC³êA[h³êÄ¢é±Æðm©
ßľ³¢BÚµÍAOÌûÌÍð©Ä¾³¢B
o /usr/src/linux/Documentation/Changes ð`FbNµÄAÅáÀKvÈ
lbg[NÖWÌc[ªCXg[³êÄ¢é±Æðm©ßľ
³¢B
o ±Ì HOWTO Ì ``IP }XJ[hÌeXg'' ÌÍÌÉ é·×ÄÌe
XgÉ]Á½©mFµÄ¾³¢B
o IP }XJ[hÆt@CA[EH[E[ðÝè·é½ßÉ
ipchains <http://netfilter.filewatcher.org/ipchains/> ðgíȯê
ÎÈèܹñB
o WÌ IPAUTOFW yÑ IPPORTFW |[g]vOÍ IPMASQADM
<http://juanjox.kernelnotes.org/> Éu«·¦çêܵ½BJ[lÉ
±êçÌpb`ðÄAJ[lðÄRpCµAVµ¢ IPMASQADM c
[ðRpCµA©ÂAÉâ IPAUTOFW/IPPORTFW t@CAEH[
E[ZbgðVµ¢\¶ÉÏ··éKvª èÜ·B±êÍA
``tH[_ (|[g]c[)'' ÌÍÅ®SÉÔ
³êĢܷB
o SÄÌÝèðà¤êxâè¼µÄÝܵå¤! ´öÌwÇÍR}hÌÅ
¿Ôá¢âPÈ~XÌ©¦µÅ·B
7.39. J[lð 2.0.38 ( é¢Í»êÈ~) ÉAbvO[hµ½çA
IP }XJ[hª®©ÈÈèܵ½BȺŵå¤?
IP }XJ[hðsÁÄ¢é Linux }VªAùÉC^[lbgÆ LAN
ɳµÚ±³êÄ¢éÌÅ êÎAȺÌÚð`FbNµÄÝľ³¢
-
o KvÈ@\ÆW
[ªRpC³êA[h³êÄ¢é±ÆðmF
µÄ¾³¢BÚµÍAOÌûÌÍð©Ä¾³¢B
o /usr/src/linux/Documentation/Changes ð`FbNµÄAÅáÀKvÈ
lbg[NÖWÌc[ªCXg[³êÄ¢é±Æðm©ßľ
³¢B
o ±Ì HOWTO Ì ``IP }XJ[hÌeXg'' ÌÍÌÉ éSÄÌeX
gÉ]Á½©mFµÄ¾³¢B
o IP }XJ[hÆt@CAEH[E[ðÝè·é½ßÉÍipfwadm
<http://www.xos.nl/> ðgíȯêÎÈèܹñBൠIPCHAINS ðg¢
½¢ÌÈçAJ[l 2.0.x Épb`ðÄéKvª èÜ·B
o SÄÌÝèðà¤êxâè¼µÄÝܵå¤! ´öÌwÇÍR}hÌÅ
¿Ôá¢âPÈ~XÌ©¦µÅ·B
7.40. EQL Ú±Æ IP }XJ[hðg½¢ÌÅ·ªB
EQL Í IP }XJ[hÍAæ Linux {bNXãÅgÝí¹çêÜ·
ªA±êçÍSÖW èܹñB EQL ªKvÈçARobert Novak's EQL
HOWTO ÌÅVo[Wð`FbN·é±ÆðEßÜ·B
7.41. IP }XJ[hª®ìµÄêܹñ! Windows vbgtH[ã
ÅÌIðÍ èÜ·©?
ÅáÀÌn[hEFAÅ®ìµAt[ÅM«ª èA«\Èð@ðú
ßÄAd¢n[hEFAðKvÆ·éA«\Ìá¢A»ÌãM«àÈ¢û@
Ì×Éàð¥¤ÌÅ·©? (±êÍÌÂlIÈÓ©Å·BÜ_AàÀÛÉ
±Ìæ¤Èo±ðµ½±Æª èÜ· ;-)
¢¢Åµå¤A ȽªKv¾Æ¾¤Èçdûª èܹñB Windows NAT
yÑ/Í vLVÉæéðð]ÞÌÈçA±±ÉxÇ¢êª èÜ
·BͱêçÌc[ÉֵġÜÅgÁ½±ÆªÈ¢ÌÅA±êçÌDÝ
Íí©èܹñB
o Firesock (Trumpet WinsockÌ[J[©ç)
o Does Proxy
o http://www.trumpet.com.au
o Iproute
o 286+ NXÌRs
[^Åæ¤ÉÝv³ê½ DOS vOB
o Linux }XJ[hÌæ¤È¼Ì{bNXðKvÆ·éB
o http://www.mischler.com/iproute/
o Microsoft Proxy
o Windows NT Server ªKv
o ñíÉ¿
o http://www.microsoft.com
o NAT32
o Windows 95/98/NT Rp`u
o http://www.nat32.com
o Win9x pÍñ $25 Win9x Æ WinNT pÍñ $47
o SyGate
o http://www.sygate.com
o Wingate
o vLV@\
o ¿iÍ 2-3 NCAgpÅ $30
o http://www.wingate.com
o Winroute
o NAT @\
o http://www.winroute.cz/en/
ÅãÉ "MS Proxy Server", "Wingate", "WinProxy" ÅEFuT[`ð·é
©Awww.winfiles.com <http://www.winfiles.com> ÉsÁÄÝľ³¢B
ÅàAâÎÉNÉཿª³¦½Æ¾íȢž³¢B
yó: ú{ÅÍ BlackJumboDog ªL¼Åµå¤Bz
7.42. IP}XJ[hJɦ͵½¢ÌÅ·ªA½ªÅ«Ü·©?
Linux IP }XJ[hJÒ[OXgÉQÁµÄA ȽÌÅ«é
±ÆðJÒÉqËľ³¢BXgÖÌQÁÉ¢ÄÌæèÚ×
ÍAFAQÌÍÌ ``IP }XJ[hE[OXg'' ð`FbNµÄ¾
³¢B
»±Å IP }XJ[hÌJÉÖWÈ¢¿â͵Ȣž³¢!!!!
7.43. IP }XJ[hÌîñªàÁÆ~µ¢ÌÅ·ªB
IP }XJ[hÉÖ·éæè½ÌîñÍ David Ranch ªÇµÄ¢é
Linux IP }XJ[hÌîñ¹ <http://ipmasq.cjb.net/> ũ¯çêÜ
·B
ܽ TrinityOS Æ¼Ì Linux ̶ªÜÜêÄ¢é Dranch's Linux page
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-linux.html> ÉÄAæ
è½Ìîñð©Â¯çêÜ·B
IP }XJ[h[OXgðñµÄ¢é Indyramp Consulting ªÇ
µÄ¢é The Semi-Original Linux IP Masquerading Web Site
<http://www.indyramp.com/masq/> ÅàAàÁƽÌîñð©Â¯çêéÅ
µå¤B
ÅãÉ IP }XJ[h[OXgÌA[JCuâ IP }XJ[hJ
Ò[OXgÌA[JCuÌ©çÁèÌ¿âð{·±ÆªÅ«Ü·
µA±êçÌ[OXgÉ¿âð·é±ÆàÅ«Ü·BÚ×Í FAQ Ì
``IP }XJ[hE[OXg'' ð`FbNµÄ¾³¢B
7.44. ±Ì HOWTO ðÊ̾êÉ|óµ½¢ÌÅ·ªAǤ·ê΢¢Åµå
¤?
ó»¤Æ·é¾êÅÌ|óðAܾNàoµÄ¢È¢±ÆðmFµÄ¾³
¢Bµ©µA|ó³ê½ HOWTO ÌwÇÍ¡ÃÈÁÄ¢ÄAXV·éKvª
èÜ·B»Ý é HOWTO |óÌêÍ Linux IP }XJ[hÌîñ¹
<http://ipmasq.cjb.net/> ũ¯çêÜ·B
àµ|óµ½¢¾êÌ IP }XJ[h HOWTO Ì»o[WÌRs[ª³
¯êÎA Linux IP }XJ[hÌîñ¹ <http://ipmasq.cjb.net/> ©ç
IP }XJ[h HOWTO Ì SGML R[hÌÅVÅð_E[hµÄ¾³
¢B»±©çAÇ¢ SGML R[fBOð۵Ȫç|óðißľ³
¢B SGML ÉÖ·éæè½ÌwvÉ¢ÄÍAwww.sgmltools.org
<http://www.sgmltools.org> ð`FbNµÄ¾³¢B
7.45. ±Ì HOWTO ÍÃÈÁÄ¢éæ¤É©¦Ü·ªAܾ±êðÛçµ±
¯Ä ¢Ü·©? ...ÉÖ·éîñðÇÁµÄàç¦Ü·©? ±Ì HOWTO ðü
P·é\èÍ èÜ·©?
Í¢A±Ì HOWTO ÍÛç³ê±¯Ä¢Ü·B²ßñȳ¢Bßɽ¿Í
2 ÂÌdÅZµß¬ÄA±ÌüùÉïâ·Ôªæê¸É¢Üµ½B v1.50
Ì_ÅA David Ranch ͶðåÉüùµA»ÝÌàÌÉÈÁÄ¢Ü
·B
HOWTOÉ Üß½ûªæ¢ÆvíêégsbNª êÎA ambrose@writeme.com
yÑ dranch@trinnet.net ¶É[ðÁľ³¢BÚµ¢îñðñµ
ÄêéÆàÁÆ¢¢Å·ËB»ÌãA»ÌîñªKØÅ é±Æªí©èA
ܽeXgÅmFÅ«½ç HOWTO ÖÜßÜ·B²¦Íɴӵܷ!
BÍ±Ì HOWTO ðüP·é½ßÌACfAÆvæðÁĢܷB»Ì
ÉÍ IP }XJ[hðg¢AÙÈÁ½lbg[NÌZbgAbvðJo[
·éP[XEX^fBâA IPFWADM/IPCHAINS ðgÁ½¢t@CAEH[
E[ZbgÅÌÀS«»A IPCHAINS Ìgp@Aæè½Ì FAQ G
gª èÜ·BൠȽª¦ÍµÄêéÈçA¥ñ¨è¢µÜ·!
Xµ¨è¢µÜ·B
7.46. IP}XJ[hª®ìµÄêܵ½B ±êÍf°çµ¢! Í È
½ª½É´Óµ½¢ÌÅ·ªA½ªÅ«éŵ天?
o HOWTO ÌæèVµ¢o[WðÊ̾êÉ|óµÄ¢½¾¯Ü¹ñ©B
o JÒÉ´ÓµÄA©ê窱êÉïâµ½ÔyÑwÍð]¿µÄ¾
³¢B
o IP }XJ[hE[OXgÉQÁµAVKÌ}XJ[h[U
ðxµÄ¾³¢B
o ½¿Ö[ðèA ȽªÇñÈÉK©mç¹Ä¾³¢B
o ¼ÌlXÉ Linux ðèÙÇ«µÄAÞçªâèðø¦Ä¢½êAÞçð
xµÄ °Ä¾³¢B
8. »Ì¼Ìîñ
8.1. LpÈîñ¹
o Linux IP }XJ[hÌîñ¹ <http://ipmasq.cjb.net/> ÉÍ IP }X
J[hÌÝèÉÖ·éÅVîñÌSĪڳêĢܷB 2.0.x,
2.2.x, »µÄâ 1.2 J[l³¦àÔ
³êĢܷ!
o »ÝÌ Linux IP }XJ[hÌÇÒÅ é Juan Jose Ciarlante Ì
WWW TCg <http://juanjox.kernelnotes.org> B
o IP }XJ[h[OXgA[JCu
<http://www.indyramp.com/lists/masq> ÉÍ[OXgÉe³ê
½ÅVÌbZ[Wª èÜ·B
o TrinityOS Linux ¶yÑ IP-MASQ-HOWTO ÌÅVo[WðÜÞ David
Ranch Ì Linux web y[W
<http://www.ecst.csuchico.edu/~dranch/LINUX/index-linux.html> B
¢ IPFWADM/IPCHAINS Ì[ZbgA PPP, Diald, P[uf,
DNS, Sendmail, Samba, NFS, ZL
eBÌA IP MASQ ÉÖ·ébè
ªÚ³êĢܷB
o The IP Masquerading Applications page
<http://www.tsmservices.com/masq>: Linux IP }XJ[fBOT[
oãÅ®ì·é©A½Í®ì·éæ¤É²®³êÄ¢éAvP[V
ÌïIÈXgB
o MkLinux ãÅ IP Masq ðÝè·éÈçA tarozax@earthlink.net Ì Taro
Fukunaga É[µÄAÞÉæé±Ì HOWTO Ì MkLinux o[WÌ
Z¢Rs[ðüèµÄ¾³¢B
o IP masquerade FAQ <http://www.indyramp.com/masq/ip_masquerade.txt>
ÉÍSÊIÈîñªô© èÜ·B
o Paul Russel Ì http://netfilter.filewatcher.org/ipchains/ É é
IPCHAINS-HOWTO B»µÄ±ÌâobNAbvª Linux IPCHAINS HOWTO
É èÜ·B±Ì HOWTO ÉÍ IPCHAINS Ìg¢ûÉÖ·éîñªÚ³ê
ĨèA ipchains c[Ì\[XR[hÆoCiàüèÅ«Ü·B
yó: ú{êóÍ
É èÜ·Bz
o X/OS Ipfwadm page <http://www.xos.nl/linux/ipfwadm/> ÉÍA ipfwadm
pbP[WÉÖ·é\[XAoCiA¶yѻ̼Ìîñª èÜ
·B
o GreatCircle's Firewall mailing list ðæÇñÅA¢t@CAEH
[Ì[ZbgÌ×Ìf°çµ¢îñ¹ð¾Ä¾³¢B
o LDP Network Administrator's Guide
<http://www.linuxdoc.org/LDP/nag/nag.html> ÍAlbg[Nð\zµ
æ¤Æ·é Linux ÇÒÌÉÆÁÄKg̶ŷB
o Linux NET-3-4 HOWTO
<http://www.linuxdoc.org/HOWTO/NET3-4-HOWTO.html> àܽ Linux lb
g[Nð\zµAÝè·é×ÌAà¤êÂÌïIȶŷB
o Linux ISP Hookup HOWTO <http://www.linuxdoc.org/HOWTO/ISP-Hookup-
HOWTO.html> yÑ Linux PPP HOWTO
<http://www.linuxdoc.org/HOWTO/PPP-HOWTO.html> ÍA È½Ì Linux
zXgðC^[lbgÉÚ±·éû@ÉÖ·éîñðñµÜ·B
o Linux Ethernet-Howto <http://www.linuxdoc.org/HOWTO/Ethernet-
HOWTO.html> ÍAC[TlbgãÅ®ì·é LAN Ì\zÉÖ·éÇ¢îñ
¹Å·B
o Donald Becker NIC hCoÆT|[g[eBeB
<http://cesdis.gsfc.nasa.gov/linux/drivers/> yó: ãL URI Íù
ÉNØêÅ·B»ÝÍA Linux Network Drivers
<http://www.scyld.com/network/> ÉÚ®µÄ¢Ü·Bz
o «ÁÆALinux Firewalling and Proxy Server HOWTO
<http://www.linuxdoc.org/HOWTO/Firewall-HOWTO.html> É໡ð¦³
êé±Æŵå¤B
o Linux Kernel HOWTO <http://www.linuxdoc.org/HOWTO/Kernel-
HOWTO.html> Í È½ÉJ[lðRpC·éû@ð±¢ÄêÜ
·B
o ãL Kernel HOWTO ÈOÌ Linux HOWTO ê
<http://www.linuxdoc.org/HOWTO/HOWTO-INDEX/howtos.html> ª±±É
èÜ·B
o USENET j
[YO[vÉe·éÈç: comp.os.linux.networking
8.2. Linux IP }XJ[hÌîñ¹
Linux IP }XJ[hÌîñ¹ <http://ipmasq.cjb.net/> ÍA Ambrose Au
ÉæÁÄdzêÄ¢éA Linux IP }XJ[hÉMSÈ web TCgÅ
·B IP }XJ[hÉÖ·éÅVîñÆA±Ì HOWTO ÉÜÜêÈ¢îñª
fÚ³êĢܷB
ȺÌêÅALinux IP }XJ[hÌîñ¹ª©Â©èÜ· -
o vC}TCg - http://ipmasq.cjb.net/ ±±Í http://www.e-
infomax.com/ipmasq/ Ö]³êÜ·B
o ZJ_TCg - http://ipmasq2.cjb.net/ ±±Í
http://members.home.net/ipmasq/ Ö]³êÜ·B
8.3. Ó«
At@xbg -
o Gabriel Beitler, gabrielb@voicenet.com
3.3.8 Í Ì·M (Novell ÌÝè)
o Juan Jose Ciarlante, irriga@impsat1.com.ar
IPFWADM |[gtH[hc[ɨ¯éÞÌ÷ÑAJ[l 2.1.x yÑ
2.2.x ÌR[hAIWiÌ LooseUDP pb`B
o Steven Clarke, steven@monmouth.demon.co.uk
ÞÌ IPPORTFW IP |[gtH[_[c[ɨ¯év£B
o Andrew Deryabin, djsf@usa.net
ÞÌ ICQ MASQ W
[ɨ¯év£B
o Ed Doolittle, dolittle@math.toronto.edu
ZL
eBðüP·é ipfwadm R}hÌ -V IvVÌñÄB
o Matthew Driver, mdriver@cfmeu.asn.au
±Ì HOWTO Ìg£ðè`¤Æ¤ÉA 3.3.1 Í (Windows95 ÌÝè) Ìñ
B
o Ken Eves, ken@eves.com
FAQ ɨ¯éA±Ì HOWTO Ì×ÌMdÈîñÌñB
o John Hardin, jhardin@wolfenet.com
ÞÌ PPTP yÑ IPSEC tH[fBOc[B
o Glenn Lamb, mumford@netcom.com
LooseUDP pb`B
o Ed. Lott, edlott@neosoft.com
eXg³ê½VXeÆ\tgEFAÌ·¢XgB
o Nigel Metheringham, Nigel.Metheringham@theplanet.net
ÞÌo[WÌ IP Packet Filtering and IP Masquerading HOWTO Ìv
£B±Ì HOWTO ðæèǵAZpIÉ[¢¶Édã°Äê½B
4.1, 4.2 Íyѻ̼B
o Keith Owens, kaos@ocs.com.au
4.2 ÍÌ ipfwadm Ìf°çµ¢èøÌñB
ZL
eBz[ðñð·é ipfwadm -deny IvVÌC³AyÑ
IP }XJ[hãÌ ping ÌóÔð¾ç©Éµ½±ÆB
o Michael Owings, mikey@swampgas.com
CU-SeeMe yÑ Linux IP-Masquerade Teeny How-To ÌÍÌñ
o Rob Pelkey, rpelkey@abacus.bates.edu
3.3.6 yÑ 3.3.7 ÍÌñ (MacTCP yÑ I[vgX|[gÌÝ
è)
o Harish Pillay, h.pillay@ieee.org
4.5 Í Ìñ(Diald ðp¢é_CIf}h)
o Mark Purcell, purcell@rmcs.cranfield.ac.uk
4.6 ÍÌñ(IPautofw)
o David Ranch, dranch@trinnet.net
±Ì HOWTO ÌXVyÑÛçALinux IP }XJ[hÌîñ¹Ì web y[
WA TrinityOS ̶A , ..., ±±Éñ·éÉͽ·¬Ü·B :-)
o Paul Russell, rusty@linuxcare.com.au
IPCHAINS, IP }XJ[hÌJ[lpb`ɨ¯éÞÌdB
o Ueli Rutishauser, rutish@ibm.net
3.3.9 ÍÌñ(OS/2 Warp ÌÝè)
o Steve Grevemeyer, grevemes@tsmservices.com
Lee Nevo ©ç IP Masq AvP[V web y[Wðø«p¬A DB
obNGhÌSÄðXVB
o Fred Viles, fv@episupport.com
o John B. (Brent) Williams, forerunner@mercury.net
3.3.7 ÍÌñ(I[vgX|[gÌÝè)
o Enrique Pessoa Xavier, enrique@labma.ufrj.br
BOOTp ÝèÌñÄB
o IP-MASQ [OXgãÌSÄÌQÁÒ, masq@tiffany.indyramp.com
V½È Linux MASQ [UÉηéÆT|[gB
o »Ì¼A±Ìf°çµ¢@\Å é IP }XJ[hÌR[hyѶÌ
JÒB
o Delian Delchev, delian@wfpa.acad.bg
o David DeSimone (FuzzyFox), fox@dallas.net
o Jeanette Pauline Middelink, middelin@polyware.iaf.nl
o Miquel van Smoorenburg, miquels@q.cistron.nl
o Jos Vos, jos@xos.nl
o »µÄª±±ÅñµYêĵÜÁ½lBB(³¦Ä¾
³¢)
o ÁÉhL
gâNCAgÌëèðñµ½A[OXgÖ
tB[hobNâñÄðéSÄÌ[Uª³êéÆÍÀèܹñB
o àµAܾdvȼOðYêÄ¢½èA½l©ÌÔÌ[UªÁÄ
ê½îñªÜÜêĢȢÈçAÂӵܷB½ÌñÄÆACfBA
ªçêĢܷªA»êðصı̶ɷé½ßÉ\ªÈ
Ôª èܹñB David Ranch Í±Ì HOWTO ɶÉçêéSÄÌî
ñðgÝüêé×AÞÌÅPðsµÄ¢Ü·BÞÌwÍÉ´Ó·éÆ
¤ÉAḆÌóµðF³ñÉðµÄ¸«½¢Æv¢Ü·B
8.4. Ql¶£
o Ken Eves ÉæéIWiÌ IP }XJ[h FAQ
o Indyramp Consulting ÌA IP }XJ[h[OXgA[JC
o Ambrose Au Ì IP Masquerade WWW TCg
o X/OS Ì Ipfwadm y[W
o »Ì¼lbg[NÉÖW·é Linux HOWTO Q
o David Ranch Ì TrinityOS ÉÄÔ
³êÄ¢éô©Ìbè
8.5. ÏX_
o hè - HOWTO -
o tH[_ÌÍÉIPMASQADMÌXNvgÌÀáðÁ¦é±ÆBXÉA
\¶ðmF·é±ÆB
o MASQT[o[ÌãëÉ¡ÌTulbgª éêÉַ鬳ÈÍð
Á¦é±ÆB
o IPCHAINS [ZbgðmFµA»êª IPFWADM [ZbgÆ®
ªæêÄ¢é±Æðm©ßé±ÆB
hè - WWW y[W -
o PPTP Ì url ð·×Ä lowrent ©ç
ftp://ftp.rubyriver.com/pub/jhardin/masquerade/ip_masq_vpn.html
ÖXV·é±ÆB
o masq TCgÌ PPTP pb`ðXV·é±ÆB
o portfw FTP pb`ðXV·é±ÆB
1.90 ©ç 1.95 ÜÅÌÏX - 11/11/00
o MASQ ³ê½¡ÌC[TlbgZOgÌÅêÂÌ NIC ðÒ³
¹é±ÆÍDܵȢ±ÆÉÖ·éZ¢Ó«ÆAMÅ«é FAQ
ÖNð£èܵ½B±Ì HOWTO ðæè¾mɵÄê½ Daniel
Chudnov ɴӵܷB
o MASQ ª NAT âvLVÌT[rXÆÍǤá¤Ì©ðTµÄ¢é[
U̽ßÉA FAQ ÌÍɱüÌÍÌÖÌ|C^ðÁ¦Üµ½B
o 2.2.x, 2.4.x, 2.0.x J[lÌAeXÌÍÌKvððXVµÜµ
½B
o 3ÍÅAJ[lªùÉ MASQ ðT|[gµÄ¢é©Û©ðØ·éû
@ðg£µÜµ½B
o (2.2.x yÑ 2.0.x) ÌAPÈ MASQ [ZbgÌáÌÔð½]
³¹Üµ½B
o 2.0.x Æ 2.2.x Ì rc.firewall t@CÉ éô©̮Ìâèð
Ðt¯Üµ½B
o 2.2.x Ì rc.firewall ÉÖµAô©ÌfBXgr
[V
(Debian, TurboLinux, )ɨ¢ÄAftOIvVªÈÈÁÄ
¢é±ÆÉÖ·éÓ«ðÁ¦Üµ½B
o Pump Ìg¢ûðÜÞ rc.firewall XNvgÉ 3ÔÚÌÓ«ðÇ
ÁµÜµ½B Ross Johnson ɴӵܷB
o 2.2.x yÑ 2.2.x J[l̼ûÅAPÈ MASQ [ZbgÌá
ðÐt¯Üµ½B
o ¢Â©Ìàlbg[NÌgtBbN MASQ ÉÖW·éâèðñ
ð·é½ßÉAOC^[tF[X¼(IPCHAINSÍ -i Å·;
IPFWADMÍ -W Å·B)ðÜÞ½ßÉAPÅæè¢ IPCHAINS yÑ
IPFWADM Ì[ZbgðXVµÜµ½B
o ±R}hª{ÌoÍÉÈéæ¤ÈA®SÈÀáðÇÁµ½±X
ebvðºÁÄA5Í(±)ðåÉg£µÜµ½B
o H.323 AvP[Vð¢T|[g©çT|[gÏÝÖÚ®µÜµ
½B:)
o ¡Ì LAN ÌÍÌá (2.2.xA»Ìã 2.0.x) ðÄÑ®µÜµ½B
o ¡Ì LAN ÌáÉà¾ðô©ÇÁµÜµ½B
lbg[NÌáÅA¡Ì NIC Éæé}XJ[fBOɨ¢
ÄAlbg[NÌwèªtÉÈÁÄ¢½Æ¢¤dåÈëAðC³µÜ
µ½B Matt Goheen ɴӵܷB
o PORTFW ÌÍÌÌ MFW ÉÖµAÈPÈÐîðÇÁµÜµ½B
o PORTFW ̽ßÌ 2.0.x Æ 2.2.x ÌÍÌÔðtɵܵ½B
o 2.2.x J[lÌ FTP gtBbNÌ|[gtH[fBOÉÖ
µAÅVîñðXVµÜµ½B
________________________________________________________________
- »_ÅA 2.2.x J[lɨ¯é|[gtH[fBO FTP Ú±Ì
IP_MASQ_FTP W
[Íx[^xÅ·B
±êÍA[h·éKvÈA®ìÉ FTP |[gÌ|[gtH[
fBOðÇÁ·é@\ªT|[g³êĢܷB
æÁÄA IP_MASQ_FTP W
[ð[h·éÆù¶Ì FTP Ú±Í
SÄjó³êÜ·B
________________________________________________________________
o FTP Ì|[gtH[fBO (PORTFW) ÌT|[gÉÖµAgbv
xÌßðÁ¦Üµ½B
o J[l 2.0.x Ì |[gtH[fBO³ê½ FTP ÌáÅA½Ì
[UÍ|[g20Ôð|[gtH[fBO·éKvªÈ¢Ì©Æ¢
¤±ÆÉÖ·éÓ«ðÇÁµÜµ½B
o |[gtH[fBOÌÍÉA[UÍAá¦Î SuSe ©çüèÅ«
éæ¤ÈA|[gtH[fBO³ê½ FTP Ìæ¤È@\ðT|[
g·é½ßÌ FTP vLVAvP[Vªg¦é±ÆÉÖ·é¾
yðÇÁµAXVµÜµ½B Stephen Graham ɴӵܷB
o ¡Ìà FTP T[oÉÚ±·é½ßÉ¡Ì|[gðgp·é[
Uª ip_masq_ftp W
[ð[h·éû@Ì×ÌKvÈÝèðÜ
ÞAFTP Ì|[gtH[fBOðLøÉ·éû@ÌáðXVµÜµ
½B±êÉÖµÄv¢o³¹Äê½ Bob Britton ɴӵܷB
o rc.firewall t@CÉ ^M ª´êñ¾[UÌ×Ì FAQ ÚðÇ
ÁµÜµ½B
o ô©ÌLvÈ URL ðÜÞA MASQ Æ NAT âvLVÆÌá_ÉÖ
·é FAQ Úðg£µÜµ½B
o MASQ MTU âèÌà¾ðXVµAâèÌåvÈ2ÂÌà¾É¢ÄLqµ
ܵ½B
o ¢Â©Ì ISP Í 1460 MTU ÌZbeBOðvµÜ·ªA PPPoE
Í 1490 Ì MTU ðPÉv·é׫ŷÌÅA RFC É]Áıêð¾
mɵܵ½B±Ì½ßAÍ 1490 Ì MTU 𦷽ßÉáðXVµ
ܵ½B
o Win95 Æ Win98 ÍÙÈéÝè (DWORD Î STRING) ðgp·éÌÅA
Windows 9x ÌÍðjüµÜµ½B±êƤɱÌÍðæè¾mÉ·é
×ÉXVµAWXgÌobNAbvû@ªXV³êܵ½B
o NT 4.0 ÌWXgGgªãëÉ Á½ (Tcpip/p[^ Îp
[^/Tcpip) ëAðC³µÜµ½B
o WinNT GgÍ DWORD Å è STRING ÅÍÈ¢âèðC³µÜµ
½B
o lXÈ PPPoE yÑlXÈ Windows WXgGgÌC³ÉÖµA
Geoff Mottram É[´ÓµÜ·B
o IRC FAQGg[É Oident Ì URL ðÇÁµÜµ½B
o ô©Ìóê½ "netstat" Ìo[WÉÖ·é FAQ ÌÍðXVµÜ
µ½B
o MASQ AJEeBOÌACfBAÆgtBbNVF[sOÉÖ
·éV½È FAQ ÌÍðÇÁµÜµ½B
o |V[[eBOͽ©ÉÖ·éA IPROUTE2 Ì FAQ Úðg£
µÜµ½B
o 2.2.x J[lÌKvðÌÍÉ IPROUTE2 Ì URL ðÚ®µAXɯ
lÌ URL ðô©ÇÁµÜµ½B
o cèÌáƵÌÈ¢ 192.168.0.0 lbg[Nɽf³¹é×ÌA
æè¢ IPCHAINS Ì[ZbgÌ "intnet" ÏðC³µÜµ½B
Ross Johnson ɴӵܷB
o ¡Ìà MASQ ³ê½ LAN ¯mÌtH[fBOÌâèð¿â·
élXÌ×ÉAV½È FAQ ÌÍðÇÁµÜµ½B
o ¡ÌO IP AhX©çPêÌà IP AhXÖSÄÌ|[gð
|[gtH[fBOµ½¢[UÉÖ·éAV½È FAQ ÌÍðÇ
ÁµÜµ½BXÉA¡Ì IP GCAXC^[tF[XãÌSÄÌ
|[gÌ|[gtH[fBOðÝélɾyµÜµ½BܽA
[eBO³êȢ«ºÅ¡Ì IP ð·é DSL yÑP[u
f[UÌ×ÌA Bridge+Firewall HOWTO ɾyµÜµ½B
o T|[gÏÝXgÉ Mandrake 7.2 Æ Slackware 7.1 ðÇÁµÜµ
½B
o MASQ T|[gÏÝfBXgr
[VÉ RedHat 7.0 ðÇÁµÜ
µ½B Eugene Goldstein ɴӵܷB
o FAQ ÌÍÌ "ÅåX[vbg" ÌvZÌÔá¢ðC³µÜµ½B Joe
White @ ip255@msn.com ɴӵܷB
o Windowx9x Ì MTU ÌÏXÍ STRING ÌÏXÅ èA DWORD ÌÏXÅÍ
È¢ÀÉîâÄC³µÜµ½B jmoore@sober.com ɴӵܷB
o ip_defrag IvVÍ 2.0 yÑ 2.2 J[l̼ûÉ é±ÆÉÖ
·éA rc.firewall XNvgÌßðXVµÜµ½B±Ì±Æð¾
¦µÄê½ pumilia@est.it ɴӵܷB
1.85 ©ç 1.90 ÜÅÌÏX - 07/03/00
o »ÌVµ¢CAEgð½f·é½ßÉA TrinityOS Ì URLðXVµ
ܵ½B
o IPCHAINS Ì[ZbgàÉ "ip_always_defrag" Æ©¸É
"ip_ip_always_defrag" ƢĵÜÁÄ¢½ëAð©Â¯Üµ½B
o Taro Fukunaga ÖÌ URL ð "mailto:" ðgp¹¸É "mail:" ɵ
ĵÜÁĢܵ½B
o ½Ì eth0 ª¡ñQƳêéÌ©ððµÄêÈ©Á½lBÌ×
ÉA "¡ÌàC^[tF[Xð}XJ[h·é" Éô©à
¾ðÁ¦Üµ½B
o æè¢ IPCHAINS ÌÍÌÅAà¤êÂÌuEXTIP ÏÌãÌXy[
XvÌoOðC³µÜµ½BÍA 1Â𦵽ƪµÜ·B
o 5ÍÌeXg #7 ÉÄAXebv #4 Éßéæ¤É[UÉU±µÜµ
½B»êÍXebv #6 Å é׫ŵ½B
o SuSe 5.2 yÑ 6.0 Ét®·éJ[lÌo[WðXVµÜµ½B
o 7.2ÍÌëA (or Î of) ðC³µÜµ½B
o }XJ[hÌâèð¢¾Éø¦Ä¢é[UÉA FAQ àÉ MTU Ì
ÚðÇܹé×ÉA}XJ[hÌeXgÌÍÉACe #9 ðÇÁµ
ܵ½B
o 5ÍÌÓð«ðüPµÜµ½B
o MASQ/FORWARD e[u𦷽ßÉ IPCHAINS Ì\¶ðXVµÜµ
½BÈOÍ "ipchains -F -L" ųíÉ®ìµÜµ½ªA»ÝÍ
"ipchains -M -L" ŵ©®ìµÜ¹ñB
o 2.2.16 È~ÌJ[lɨ¯éV½È LooseUDP ÌUé¢ð½f·
é½ßÉA LooseUDP ̶ðXVµÜµ½BÈOÍíÉLøŵ½
ªA»ÝÍ}XJ[h³ê½ UDP |[gXLjOÌÆã«©
çAftHgÅItÆÈÁĢܷBÊíÌAyÑââ¢
IPCHAINS Ì[ZbgɱÌIvVð½f·×XVµÜµ
½B
o âo[WÌJ[lÍ TCP [g ÀïæÌÆ㫪 éÌ
ÅA 2.2.x J[lÍo[W 2.2.16 È~ɷ׫Šé|ðÁ
¦Üµ½B
o MASQ T|[gÏÝXgÉ RedHat 6.2 ðÇÁµÜµ½B
o Sonny Parlin Ì FWCONFIG ÖÌNð»ÝÌ fBuilder ÖÌàÌÉ
XVµÜµ½B
o lXÈáɨ¯é IP AhXðLøÈàÌÉ·×A
111.222.333.444 ð 111.222.121.212 ÖXVµÜµ½B
o x[^Å H.323 MASQW
[Ì URL ðXVµÜµ½B
o æ¤âA PPPoE DSL yÑP[uEfE[Uðx·é½ß
É MTU FAQ ÌÍðXVµÜµ½Bî{IÉ ``MTU âè'' ÌÍÍA»
ÝA[UÍ°êçê½ MASQ MTU âèðð·é½ßÉASÄÌà
}VÌ MTU ÝèðÏX·é±ÆàÅ«é±Æð½fµÄ¢Ü·B
o PORTFW ÌÍÉAONCAgÉ®ì·é|[gtH[h³ê½
Ú±ÍAàNCAgÉÍ®ìµÈ¢±ÆÌð¾ðÇÁµÜµ½B
à|[gtH[fBOàKvÈçA REDIR c[ÌÀà¯l
ÉKvÅ·B±ÌâèÍ 2.4.x J[lÆ Netfilter ÉÄð³êé
±ÆàLµÄ¨«Üµ½B
o XÉA½Ì±ÌViIªKØÉ®ìµÈ¢Ì©AÆ¢¤±ÆÉÖµA
Juanjo ©çÌZpIÈà¾ð PORTFW ÌÍÌÅãÌûÉÁ¦Üµ½B
o IPCHAINS Ì URL ÌSÄð Paul Rusty Ì Vµ¢TCg
http://netfilter.filewatcher.org/ipchains/ ÖXVµÜµ½B
o Paul Rusty Ì [AhXðXVµÜµ½B
o FAQ ÌÍÉAÚ±ª·¢ÔgíêĢȢÜܾÆAàÍâ|[gtH
[hڱͮìµÈ¢±ÆðÇÁµÜµ½B
o LDP Ì URL ÌSÄðmetalab.unc.edu ©çVµ¢TCgÅ é
linuxdoc.org ÖXVµÜµ½B
o Updated the Netfilter URLs to point to renamed HOWTOs, etc.
l[³ê½ HOWTO Éí¹Ä Netfilter Ì URL ðXVµÜµ
½B
o 2.4.x J[lÌT|[gÉÖµAúª½ç Netfilter ðtT
|[gµAܽ»ÌãÍÊÌ HOWTO ÉØ裷ÂàèÅ é±ÆðL
µÜµ½B
o 2.4.x J[lÌKvðÌÍÅA Netfiler Í IPFWADM â IPCHAINS
ÆärµÄÇÌæ¤ÉÏíÁ½©ð½f³¹A_/_ÌêÉV@
\ÆÌ®ìÖÌÏXðÁ¦Üµ½B
o "Ì}XJ[hÚ±ªx¢" Æ¢¤ FAQ ÚÉA[UªptH[
}Xð«¾É©ÞÛÌÇ¢à¾Ì×ÉA TCP/IP ÌlÌáðÇÁ
µÜµ½B
o "pump" DHCP NCAgÌVµ¢o[WÍAN® (bringup) A
yó: IP AhXÌz[XXVÌXNvgãÅ®ìÅ«é±
Æð½f·×A HOWTO ðXVµÜµ½B
o ½l©Ì[Uª ip_masq_ftp W
[ðgí¸Éà}VÖÌ
FTP gtBbNÌ]ɬ÷µ½Æ¾ÁÄ¢é±Æð½f³¹é×
A FTP |[gtH[fBOÌÚðXVµÜµ½BÍA[
UÍæ¸C³³ê½W
[³µÅÝÄ©çAÉv³êêÎ
pb`ðKp·é׫ŠéÆA HOWTO ɽf³¹Üµ½B
1.82 ©ç 1.85 ÜÅÌÏX - 05/29/00
o David Ranch ª 1NÈã HOWTO ÌåvÈeiÅ éƤÉA
Ambrose Au ̼Oª^Cgy[W©çí³êܵ½Bµ©µÈª
çA Ambrose Í WWW TCgãÅ¢¾ÜÜêéŵå¤B
o 6.4 ÍÌëÁĬüµ½Xy[XðíµÜµ½B
o }XJ[hÝ· OS ÌÍðÄ\¬µA OS/400 VXeªÒ·é
AS/400 ÌÝèû@ðÇÁµÜµ½B jaco@libero.it ɴӵܷB
o HTTP ANZXª¸s·éêÌA FTP ANZXpÌtÁIÈ FTP |
[gtH[fBOpb`Ì URL ðÇÁµÜµ½B
o FAQ Ì Redhat 5.1 yÑ 6.1 ÌJ[lo[WðXVµÜµ
½B
o }XJ[hÂ\È Linux fBXgr
[V퐃 FloppyFW
ðÇÁµÜµ½B
o æè¢ IPFWADM Ì[ZbgÌ "ppp_ip" Æ "=" ÌÔÉXy[
Xª Á½êÌâèðC³µÜµ½B
o 2.2.x J[lÌRpCÌÍÅA "CONFIG_IP_ALWAYS_DEFRAG" X
Cb`ðI·éQÆðíµÜµ½B±ÌIvVÍRpCÌ
Í©çí³êA2.2.12 J[lɨ¢Ä}XJ[hðI·éÛ
ÌftHgÉÈèܵ½B
o J[lÌ®ìÌÏ»ÉæÁÄA rc.firewall ÌSÄÌáÉ
ip_always_defrag ðÂ\É·é±ÆðÇÁµÜµ½B
o H.323 ÌT|[góµðXVµÜµ½B»ÝA 2.0.x yÑ 2.2.x J[
l̼ûÅA H.323 ðT|[g·éAt@Åo[WÌW
[ª èÜ·B
o }XJ[hðT|[g·éfBXgr
[V퐃 Debian
v2.2 ðÇÁµÜµ½B
o ·¢Ô¶ÝµÄ¢½AIPCHAINS p̾¦I IP AhXtB^
OÌÍÉâ IPFWADM ̶@ªcÁÄ¢½âèðC³µÜµ½BXÉ
±ÌÍðµ®µAवðµâ·µÜµ½B
o £! dvÈ MASQ Ìîñ¹ÌÍÉ Juan Ciarlante Ì URL ðÇÁµ
ܵ½B»¤.. NBͱ̶æèàÁÆɳ¼ÉÈéKvª é
ñ¾æ!!
o J[l 2.0.38 yÑ 2.2.15 ð½f·× HOWTO ðXVµÜµ½B
o 2.0.x J[lª©ÈèÃÈÁÄ¢é±ÆÉÓÝAJ[lRpC
ÌJ¦ÌÔð 2.2.x J[lðæɵÄAtɵܵ½B
o ÅVÌ 2.2.x J[lÌÏX³ê½IvVð½f·×A 2.2.x
J[lÌRpCÌÍðXVµÜµ½B
o ßÌ}XJ[heXgÌ #5 ɸs·élÌ×ÉÂ\Èðû@ð
ÇÁµÜµ½B
1.81 ©ç 1.82 ÜÅÌÏX - 01/22/00
o 6.5 ÍÌæè¢ IPCHAINS Ì[ZbgÌÌA
/proc/sys/net/ipv4/ip_dynaddr ÉÖ·éLÚYêðÇÁµÜµ½B
o IP }XJ[hT|[gÌÚÅA Debian 2.1 ð YES ÉÏXµÜµ
½B
o FAQ ÌÍÌ"}XJ[hªx¢"ÚÉAÅèC[Tlbg¬xyÑ¡
âèðÜßé×Ä\¬µAXVµÜµ½B
o Donald Becker ÌC[Tlbg NIC J[hp MII [eBeBÌ
NðÇÁµÜµ½B
o 2.2.x J[lÌÍ(ÈOÍJ[lo[W 2.0.x ̪¾¯C³
µÄ¢Üµ½)ÉA ICQ |[gtH[fBOXNvgÌ ")" Ì
LÚYêðÇÁµÜµ½BܽA -lt ©ç -le ÜÅÌ]¿ðÏXµÜ
µ½B
o }XJ[hT|[gÏêÉ Caldera eServer v2.3 ðÇÁµÜµ
½B
o }XJ[hT|[gÏêÉ Mandrake 6.0, 6.1, 7.0 ðÇÁµÜµ
½B
o }XJ[hT|[gÏêÉ Slackware v7.0 ðÇÁµÜµ½B
o }XJ[hT|[gÏêÉ Redhat 6.1 ðÇÁµÜµ½B
o }XJ[hT|[gÏêÉ TurboLinux 4.0 Lite ðÇÁµÜµ
½B
o }XJ[hT|[gÏêÉ SuSe 6.3 ðÇÁµÜµ½B
o ÀèÅ 2.2.x J[lÍ 2.2.11 æèVµ¢àÌðEßé×XVµ
ܵ½B
o 3.3Íɨ¢ÄAeXÌu[gãÅÇÌæ¤É
/etc/rc.d/rc.firewall ðÇÝÞÌ©ð[UÉ`¦éû@
ðAHOWTO ÉLÚ·é±ÆðYêĢܵ½B±êÍ»Ý Redhat (y
Ñ»Ìh¶·éfBXgr
[V) yÑ Slackware ðJo[µ
ܵ½B
o Windows WFWG v3.x yÑ NT ÌÝèÌÍÉA½Ì[UÍ DHCP, WINS
yÑtH[fBOÌIvVðÝè·×«ÅÈ¢©Ì¾mÈà¾
ðÇÁµÜµ½B
o FAQ ÌÍÉA}XJ[h³ê½}Vɨ¯é FTP ÌâèÌðû
@ðÇÁµÜµ½B
o Fixed a typo in the Stronger firewall rulesets. The "extip"
variabl cannot have the SPACE between the variable name and the
"=" sign. Thanks to johnh@mdscomp.com for the sharp eye. æè
¢t@CAEH[Ì[ZbgÌëAðC³µÜµ½B "extip"
ÏÍϼÆ"="ÌÔÉXy[Xð²Þ±ÆͳêܹñB
johnh@mdscomp.com Ìs¢ÚɴӵܷB
o Ý·«ÌÍðXVµÜµ½ - Mandrake 7.0 ÍJ[l 2.2.14 x[X
ÅA TurboLinux v6.0 ÍJ[l 2.2.12 ª®ìµÜ·B
1.80 ©ç 1.81 ÜÅÌÏX - 01/09/00
o Vµ¢ ICQ }XJ[hW
[ªt@C]ÆA^C
`bgðT|[g·é±Æð½f·×A ICQ ÌÍðXVµÜµ
½BJ[l 2.0.x ÌW
[Íܾ±êç̧Àª èÜ·B
o Steven E. Grevemeyer Ì[AhXðXVµÜµ½BÞÍ IP }
XJ[hAvP[Vy[WÌeiÅ·B
o "setsockopt" G[pÅÈ¢ìƪ²¯Ä¢½ÌÅAsöC³µÜ
µ½B
o Ï¼É "extip" ðgí¸É "ppp_ip" ðgpµÄ¢½Aæè¢
IPCHAINS Ì[ZbgÌG[ðXVµÜµ½B
o DHCP ÌRgÌÍÌ 3.3.1 ÍÅA "." Î "?" ÌëAðC³µÜµ
½B
o ICQ |[gtH[fBOXNvgÌ ")" ÌLÚYêðÇÁµÜ
µ½BܽA -lt ©ç -le ÜÅÌ]¿ðÏXµÜµ½B
o Quake W
[̶@Í "ports=" ðgpµÈ¢±ÆðXVµÜµ
½B
1.79 ©ç 1.80 ÜÅÌÏX - 12/26/99
o "ppp_ip" AhXÌÝèÅAXy[XÌëAðC³µÜµ½B
o PÈ IPCHAINS Ì[ZbgÌëAðC³µÜµ½B "deny" ð
"DENY" ÉÅ·B
o Bjorn Ì Linux p "modutils" Ì URL ðXVµÜµ½B
o NetFilter Æ IPTables ÉÖ·é verbage ðÁ¦A±Ì HOWTO ½Íá
¤ HOWTO ÉÇÁ³êéÜÅÌÔA URL ðLµÄ¨«Üµ½B
o â Quake W
[ÌoOð[UÉÊm·é½ßÉAPÈ
/etc/rc.d/rc.firewall ÌáðXVµÜµ½B
o ®I IP AhX(PPP yÑ DHCP)AæèVµ¢ DHCPCD ̶@Aâ
Quake W
[ÌoOÉÖµÄ[Uɾ¦·é½ßÉA IPFWADM
ðgpµ½¢ /etc/rc.d/rc.firewall ÌáðXVµÜµ½B
o ®I IP AhX(PPP yÑ DHCP)ÆAâ Quake W
[ÌoOÉ
Ö·éÍÌ«Yêð*ÇÁ*·é½ßÉA IPCHAINS ðgpµ½¢
/etc/rc.d/rc.firewall ÌáðXVµÜµ½B
o "AvP[Vª®ìµÈ¢"ÌÍÉAJ[l 2.0.x Ì (H.323
x[XÌ) Microsoft NetMeeting v2.x Ìx[^ÅW
[ÌLð
ÇÁµÜµ½B NetMeeting 3.x yÑ/Í J[l 2.2.x Å®ì·
éo[WÍܾ èܹñB
1.78 ©ç 1.79 ÜÅÌÏX - 10/21/99
o ±Ì HOWTO ̼OðXVµÜµ½BàÍâ±Ì HOWTO Í MINI ÅÍ
èܹñ!
1.77 ©ç 1.78 ÜÅÌÏX - 8/24/99
o Fixed a typeo in "Section 6.6 - Multiple Internal Networks"
where the -a policy was ommited. "6.6Í - ¡Ìàlbg[
N" ÅA -a |V[ªÈª³ê½ëAðC³µÜµ½B
o 2.2.x J[lÌÝèIvVÌ "\[XoH§ä³ê½t[ð
ÌÄé" ðíµÜµ½B±êÍ»ÝftHgÅLøÉÈÁĨèA
J[lRpCÌIvVƵÄæè©ê½©çÅ·B
o IPCHAINS ÌtOe[VÌoOð[UÉÊm·é×AJ
[l 2.2.x yÑSÄÌ IPCHAINS ÌÍðXVµÜµ½B
o Lee Nevo Ìâ IP }XJ[hAvP[VÌy[WðwµÄ
¢½SÄÌ URL ð Seg ÌVµ¢y[WÖXVµÜµ½B
1.76 ©ç 1.77 ÜÅÌÏX - 7/26/99
o |[gtH[fBOÌÍÅA "ipmasqadm ipportfw -f" ÅÈ
"ipmasqadm ipportfw -C" ƵĢ½ëAðC³µÜµ½B
1.75 ©ç 1.76 ÜÅÌÏX - 7/19/99
o tH[_ÌÍÉÄ[UªñðT·±ÆÈæè¾mÉ·é½ß
ÉA FAQ àÌ "ipfwadm: setsockopt failed: Protocol not
available" yó: "ipfwadm: setsockopt ͸sµÜµ½: vgR
Ípūܹñ"z ðXVµÜµ½B
o 6.7ÍÌ IPMASQADM Æ "portfw" ÌÔáÁ½¶@ðC³µÜµ½B
1.72 ©ç 1.75 ÜÅÌÏX - 6/19/99
o 㢠IPFWADM yÑ IPCHAINS Ì[ZbgÆ¢ IPFWADM Ì[
Zbgð¯lÉA quake W
[Ì|[gÝèÌvðC³µÜµ
½B
o ICQ Ì|[g4000Ôð¼Ú|[gtH[fBOµA"ñSock"vL
VÌÝèðp¢é±ÆÈ ICQ ÌftHgÝèðgp·é[U
|[gðÇÁµÜµ½B
o IPMASQADM c[Ì URL ðXVµÜµ½B
o Taro Fukunaga tarozax@earthlink.net ÖÌQÆðÇÁµÜµ½BÞÍ
HOWTO Ì MkLinux ÖÌÚAðsÁĢܷB
o Vµ¢ IPCHAINS ðT|[g·é Sonny Parlin Ì FWCONFIG c[Ì
é`ðXVµÜµ½B
o Fred Vile Ìpb`Éæé FTP |[gtH[fBOANZXÍ
2.0.x J[lÅ*ÌÝ*LøÅ é±ÆðÇLµÜµ½B
o 2.2.x J[lÌXebvÅAÀ±iKÌ^OÉÖ·éÍ©Èà¾ðX
VµÜµ½B
o ¦ÍÒêÉ LooseUDP pb`ÌìÒ Glen Lamb ̼OðÇÁµÜµ
½B
o LooseUDP pb`ÌCXg[ÉÖµAñ³kpb`Í "cat" ðgp
·×«Å éà¾ðÇÁµÜµ½B
o IPAUTO FAQ ÌÍÌëAðC³µÜµ½B
o Í IPFWADM Æ IPCHAINS Ì[Zbg̽ßÉ DHCP NCA
gÌ|[gÔðtɵܵ½BªsÁ½vÍA È½Ì Linux
T[oª DHCP T[oÅ Á½©Ç¤©Åµ½B
o SÄÌã¢[ZbgAyÑ¢[ZbgÌáɾ¦IÉ /sbin
ÖÌ PATH ðÇÁµÜµ½B
o PPP yÑ DHCP [UÌ×ÉA¢ IPFWADM ÌÍÉ®I IP AhX
ÉÖ·éô©Ìð¾ðs¢Üµ½BÍܽA¢[ZbgÍ
PPP ªN®³ê½è DHCP Ì IP AhXÌ[XªXV³ê½ÉÄ
N®³êé׫Šé±ÆðÇLµÜµ½B
o J[l 2.2.x ÌKvðÌÉQÆðÁ¦ÄAICQ Ì FAQ ÌÍðX
VµAICQ MASQ W
[ÌìÒÌ Andrew Deryabin ð¦ÍÒêÌ
ÍÉÇÁµÜµ½B
o FAQ ÌÍÉ½Ì 2.1.x yÑ 2.2.x J[lÅ IPCHAINS ÉÚsµ½Ì
©ÉÖµAô©Ìà¾ðÇÁµÜµ½B
o }XJ[hT[oðÊß·é Microsoft Ìt@C/óü/hC
T[rX (Samba) ÉÖ·é¬³È FAQ ÌÍðÇÁµÜµ½B±êƯ
ÉAæèÚ×ÈàeÌ×É Microsoft m¯x[X¶ (Knowledge
base document) Ì URL ðÇÁµÜµ½B
o FAQ ÌÍÉ Debian fBXgr
[VÍ IP }XJ[hðT|
[gµÄ¢È¢à¾ðÇÁµÜµ½B
o FAQ ÌÍÌ}XJ[hT|[gÏÝfBXgr
[VðXVµ
ܵ½B
o FAQ ÌGCAX NIC ÌÍÉAC^[tF[XÌGCAXÍ}X
J[h*Å«È¢*|ðÇÁµÜµ½Byó: uC^[tF[XÌ
GCAXvÍAJ[lÌÝèÉ é "IP: Aliasing"ðwµÄ¢Ü
·BêÂÌC^[tF[XÉ¡Ì IP AhXðèUé@\Å
·Bz
o ¤íÁ.. ¡ÜÅCéȩÁ½¯ÇA¢[ZbgÌÍÌ "ppp-
ip" Æ¢¤Ï¼Í³øÅ·! "ppp_ip" Él[µÜµ½B
o IPFWADM yÑ IPCHAINS ̼ûÌPÈ[ZbgÌÝèÌæÅA
DHCP gtBbNð·éÓðRgAEgµÜµ½Bâè
ÍAÅãÌ reject sŵ½! `NVE! ±êç¼ûðÍÌãÖÚ
®³¹Üµ½B
o PÈ IPCHAINS ÌÝèÅA DHCP [UÌ×ÌRgAEgsÅA
IPCHAINS Ì "-i" p[^ÅÈA IPFWADM Ì "-W" R}hðg
pµÄ¢Üµ½B
o tH[_ÌÍÉAL¼È "ipfwadm: setsockopt failed: Protocol
not available" yó: "ipfwadm: setsockopt ͸sµÜµ½: v
gRÍpūܹñ"z G[bZ[WÌð̬³Èé`ðÇ
ÁµÜµ½B±êÍXÉAàµJ[lÌ IPPORTFW ªLøÈêÉA
lXÉmF³¹é¬³È /proc eXgðÜñŢܷBܽAPÈ
õÌ×É FAQ ÌÍɱÌG[ðÇÁµÜµ½B
o ±Ì HOWTO É¢ IPCHAINS Ì[ZbgðÇÁµÜµ½B
o FAQ ÌÍÉ "kernel: ip_masq_new(proto=UDP): no free ports."yó
: "kernel: ip_masq_new(prot=UDP): ó«|[gª èܹñB"z
G[bZ[WÌà¾ðÇÁµÜµ½B
o IPMASQADM PORTFW [ÌXNvgÌáðÇÁµÜµ½B
o Linux Documentation Project (LDP) Ì URL Ìô©ðXVµÜµ
½B
o SÄÌ rc.firewall [ZbgÌW
[ÇÝÝÌÍÉA
Quake III T|[gðÇÁµÜµ½B
o ICQ̽ßÌ IPMASQADM tH[fBOðC³µÜµ½B
o 1.72 - 4/14/99 - Dranch - Windows Ì NAT/vLVÌãÖèiðA¿i
ÌTªÆ URL ƤÉAåKÍÈXgÉÇÁµÜµ½B
o 1.71 - 4/13/99 - Dranch - ¡Ì}XJ[h³ê½àlbg[N
Ì×Ì IPCHAINS ÌÝèðÇÁµÜµ½B ICQ ÌÝèÅA ICQ ÌftH
gÌ60b^CAEgÆ IPFWADM/IPCHAINS Ì160b^CAEgðÏX
µÜµ½B MASQ yÑ MASQ-DEV [OXgÆ»Ìo^ÌèðX
VµÜµ½B
o 1.70 - 3/30/99 - Dranch - SMTP/POP-3 Ì^CAEgâèÆA¡Ìà
lbg[Nð IPROUTE2 ðp¢ÄÙÈéO IP AhXÖ}XJ
[h·éû@ð FAQ ÌÍÉÇÁµÜµ½B
o 1.65 - 3/29/99 - Dranch - ëAðC³µÜµ½B 2.2.x J[lIv
VÌKvÚðð¾µÜµ½B®I PPP IP AhXÌT|[gð
¢t@CAEH[ÌÍÉÇÁµÜµ½B quake II W
[ÌÚAð
ÇÁµÜµ½B LooseUDP pb`ÍÅVÌ 2.2.x J[lÉgÝÜêA
Dan Kegel ÅÍÈ Glenn Lamb ÌìÅ é±Æð¾LµÜµ½BÝ·«
ÌÍÉæè½ÌQ[ÌîñðÇÁµÜµ½B
o 1.62 - Dranch - ÅãÌæ1htgiKÌÏXð¶És¢A MASQ [
OXgÉmµÜµ½B
o 1.61 - Dranch - ÒWÌÏXðÁ¦ÄAÌÙð®¦AAWindows95 Æ NT
ÌÝèɨ¯é¢Â©ÌG[ðC³µÜµ½B
o 1.58 - Dranch - |[gtH[fBOÌÍÌÇÁ; LooseUDP ÌÝè;
IRC [U Ì×Ì Ident T[oAt@CAEH[ÌOÌÇÝûAÅ
½ÉgíêÈ¢ CuSeeme Mini-HOWTO ÌíB
o 1.55 - Dranch - ®SÈI[o[z[AÁ¥Æ FAQ ÌÇÁA v1.50
HOWTO ÌSÊIÈÒWB 2.2.x J[lÆ IPCHAINS ÌÝè𮬵ܵ
½BKpáÌ×É IPAUTOFW ©ç IPPORTFW ÖÌÏ·ðs¢Üµ½BX
̶̼â[eBeBÌTCgÖÌ½Ì URL ðÇÁµÜµ½BÆ
Äà½ÌÏXª èÜ·.. ÝñȪDñÅêé±Æð]ÝÜ·B¶
ª IP MASQ [OXgÉæÁIJ×çêA³F³êéÜÅÍA±
ÌHOWTO ÌVÅÌ LDP vWFNgÉæéÅIsÍsíêܹñ(»Ì
ã v2.00 ÉÈèÜ·)B
o 1.50 - Ambrose - HOWTO ÌdåÈXVÆA 2.2.0 J[lÆ IPCHAINS
ÌÝèÌúiKÌÇÁB
o 1.20 - Ambrose - 2.0.x J[lÈOÆ IPFWADM ÉÄPÆŵíê½A
æèVµ¢ HOWTO ̤¿ÌêÂB
9. ú{êóÉ¢Ä
ú{êó Å: 2001N 712ú JF Project u`[ Masqueradev |óÒ
ê(h̪A50¹):
o ã¡ë° <magotou@fubyshare.gr.jp> 6Í
o ¼czê <matsuda@palnet.or.jp> 2,3,8Í
o Rûµñ² <shingo@axs2.com> 1,5,7Í
o là <isao@m05.htmnet.ne.jp> 4Í
±Ì¶ð|ó·éÉ ½èA
´¶³ñ <mizuhara@acm.org> Ì Linux IP
Masquerade mini HOWTO ú{êó <http://www.linux.or.jp/JF/JFdocs/IP-
Masquerade.html> ©ç½ðøpvµÜµ½B
±Ì¶ð|ó·éÉ ½èAȺÌûX©çAhoCX𢽾«Üµ
½B(50¹)
{É èªÆ¤²´¢Üµ½B
o ª{êK³ñ <kokamoto@itg.hitachi.co.jp>
o ©Ë±¹¢¶³ñ <se-kane@str.hitachi.co.jp>
o konkiti³ñ <konkiti@lares.dti.ne.jp>
o çUTi³ñ <ysenda@pop01.odn.ne.jp>
o äLõ³ñ <takei@webmasters.gr.jp>
o ì{_ê³ñ <hng@ps.ksky.ne.jp>
o ìm³ñ <uv9h-hykw@asahi-net.or.jp>
o
´¶³ñ <mizuhara@acm.org>
o X{~³ñ <morimoto@xantia.citroen.org>
distrib
>
Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
>
by-pkgid
>
e74e806c1a2640e922856d7eb69d1420
>
files
>
42
