Sophie: howto-text-ja-2006-5mdv2010.0 noarch

howto-text-ja-2006-5mdv2010.0.noarch.rpm

  Linux PPP HOWTO
  Robert Hart, hartr@hedland.edu.au
  v2.2, 25 August 1996
  ±¶ÜÝÂÐë isle@st.rim.or.jp (1997/01/30)

  ±Ì¶ÅÍ Linux PC ð PPP T[oÉÚ±·éû@A2 ÂÌlbg[N
  ð PPP ÅÂÈ®û@A È½Ì Linux }Vð PPP T[oÉ·éû@ÉÂ
  ¢Äà¾µÜ·B
  ______________________________________________________________________

  Ú

  1. Cg_NV
     1.1 NCAgÆg¦éT[rX
     1.2 fBXgr[V²ÆÌá¢

  2. IP Ô
  3. ±Ì¶ÌÚI
     3.1 PPP NCAgðÝè·é
        3.1.1 DIP Ígí¸É CHAT ðg¤
     3.2 PPP T[oÌÝè
     3.3 2 ÂÌ LANA é¢Í LAN ÆC^[lbgð PPP ÅÚ±·éû@
     3.4 ±Ì¶ªµíÈ¢âèAA

  4. ±Ì¶Åµ¤\tgEFAÌo[W
  5. »Ì¼ÌLp/dvÈ¶
     5.1 LpÈ Linux ÖAÌ[OXg

  6. Linux J[lÌÝè
  7. Linux J[l\[XÌCXg[
  8. n[hEFAÉÂ¢Ä
  9. J[lÌRpC - Linux 1.2.13 Ìê
     9.1 J[lÌRpC - Linux 1.3.x Æ 2.0.x Ìê
     9.2 PPP-2.2 Æ /proc/net/dev ÉÂ¢Ä
     9.3 J[lÝèÌ»Ì¼ÌÝèÉÂ¢Ä

  10. PPP Ú±ð·é½ßÉKvÈîñ
     10.1 fðoRµ½OÖÌÚ±eXg

  11. VA|[gÆ»ÌXs[hÉÂ¢ÄÌ
  12. fÌÝè
     12.1 VA|[gÌt[§äÉÂ¢Ä

  13. PPP Æ[g À
  14. PPP Ú±pÝèt@C
     14.1 options.tbl t@C
     14.2 ÇÌIvVðwè·×«H
        14.2.1 /etc/ppp/options(PAP/CHAP ðgíÈ¢ê)
        14.2.2 /etc/ppp/options (PAP/CHAPðg¤ê)

  15. /etc/resolv.conf t@CÌÝè
  16. PAP/CHAP ÌFØt@C
     16.1 PAP ÌFØt@C
     16.2 CHAP ÌFØt@C

  17. PPP Ú±ðè®ÅN®
  18. Ú±ð©®»·éÉÍ - Ú±pXNvgÌìèû
     18.1 [U¼ÆpX[hðÂ©Á½FØÌê
     18.2 ppp-on XNvg
     18.3 PPP N®XNvgÌC³
        18.3.1 ppp-on XNvg
        18.3.2 T[o¤ÅÌ PPP ÌJn
        18.3.3 ppp-on-dialer XNvg
     18.4 chat XNvgÌÓ¡·éàÌ
     18.5 PAP/CHAP FØðg¤êÌXNvg
     18.6 pppd ÌfobOÆ -f Åwè·éIvVt@C

  19. Ú±XNvgÌeXg
  20. PPP Ú±ÌI¹
  21. fobO
     21.1 PPP ðRpCµ½ÌÅ·ªALinux ªF¯µÄêÜ¹ñB
     21.2 ftHg[g(default route)ðÝèÅ«Ü¹ñB

  22. 2 ÂÌlbg[Nð PPP ÅÂÈ®ÉÍ
     22.1 IP ÔÌÝè
     22.2 oHÌÝè
     22.3 lbg[NZLeB

  23. Ú±ªm§µ½ãAA
     23.1 ÁÊÌoHÝè
     23.2 e-mail Ì

  24. NÌI¹
  25. LAN Ì[eBOÉÖíéâè
     25.1 ZLeBÉÂ¢ÄÌ

  26. Ç¤µæ¤àÈ¢Æ«ÉB
  27. Ú±ª¤Ü¢ÁÄ©çN«â·¢âè
     27.1 PPP T[o©çæÖÚ±Å«Ü¹ñB
     27.2 e-mail ðo¹éñÅ·ªó¯ÆêÜ¹ñB
     27.3 Èº¼Ìlª finger â WWW, gopherAtalk ÅÌ}VÉÚ±Å«È¢ÌÅµå¤B

  28. ®IÈ IP ÔÅC^[lbgÌeíT[rXðg¤ÉÍ
     28.1 e-mail ÌÝè
     28.2 [JÈl[T[oÌÝè

  29. PPP T[oÌÝè
     29.1 J[lÌRpC
     29.2 T[oVXeÌTv
     29.3 \tgEFAðWßé
     29.4 WIÈ(VFoRÌ)Ú±B
     29.5 PPP ÌIvVt@CÌÝè
     29.6 pppd ð[Uª(¤Ü)®©¹éæ¤ÉÝè·é
     29.7 pppd pÌGCAXÌÝè

  30. PPP ðkf(VA¼)Åg¤ÉÍ

  ______________________________________________________________________

  Copyright

  The copyright of this document is retained by the author.  Permission
  is granted to distribute the document by electronic means and  on CDs
  provided that it is kept entirely in its original format. Permission
  is also granted to print a copy of this document for personal use.

  The republishing of this document in part or in whole without the
  permission of the copyright holder by any means other than as noted
  above is prohibited.

  ±Ì¶Ìì ÍÒªÛµÄ¢Ü·B±Ìì \¦ª»ÌÜÜc³ê
  éÀèAÇÌæ¤ÈdCIÈû@ÅàA é¢Í CD ðp¢½ÄzzàÂµ
  Ü·BÜ½AÂlÈgpÈçÎ±Ì¶ðvgAEg·é±ÆàFßÜ
  ·B

  ãLÈOÌû@Éæé±Ì¶ÌêA é¢ÍSÌÌÄzzÍAÒªÂ
  µÈ¢ÀèÖ~µÜ·B

  zz

  ±Ì¶Ío[WªVµÈé²ÆÉcomp.os.linux.answersÉe³ê
  Ü·BÜ½AÈºÌURL©çHTMLÅàüèÂ\Å·B

  o  Linux Howto Index <http://sunsite.unc.edu/mdw/linux.html#howto>

  »Ì¼ÌtH[}bg(SGMLAASCIIApostscriptADVI)à Howtos - other
  formats <ftp://sunsite.unc.edu/pub/Linux/docs/HOWTO/other-formats>©ç
  üèÅ«Ü·B

  sunsite.unc.edu ÍÂËÉ×óÔÉÈÁÄ¢Ü·ÌÅ¨ßÌ~[TC
  g(á¦Îftp.hitachi.co.jp)ð²p¾³¢B

  Ó«

  ±Ì¶ðõ·é½ßÉ½ÌlXª¯ÄêÜµ½BÁÉ PPP »Ìà
  ÌÉÂ¢Ä³¦Äê½ Al Longyear(à¿ëñA±Ì¶ÉÔá¢ª ê
  ÎA»êÍÌÓCÅ·)ALinux Howto ÌeiXSÌ Greg
  HankinsA linuxdoc-sgml pbP[WÌÝèð¯Äê½ Daniel
  Berinson(÷ØÉ 3 úµ©È©Á½É)A¶ÌX^CâàeAA_
  Aà¾Ì¾m³ÉÂ¢Ä½Ì¾ð^¦Äê½ Debi
  Tackett(MaximumAccess.com)É´ÓµÜ·B

  É e-mail Å³Ü´ÜÈRgð¾³Á½½ÌûXÉà´ÓµÜ·B
  ¼Ì HOWTO ÌÒ¯lA±Ì¶ªè¯ÆÈÁ½lX©ç´Ó³êé±Æ
  ªäXÌBêÌñVÅ èA»êÅ\ªÈÌÅ·B±Ì¶ð±ÆÅA
  ðÜß½SÄÌ Linux [U[ªÁÄ¢éA½¿ÌåD«È OS ðì
  èAeiXµÄêÄ¢élXÉÎ·éØèðµÅàÔ·±ÆªÅ«
  êÎAÆvÁÄ¢Ü·B

  1.  Cg_NV

  PPP(Point to Point Protocol)ÍVAÚ±ãÉ IP(Internet Protocol)â
  »Ì¼Ìlbg[NvgRð\zµAÒ³¹é½ßÌdgÝÅ·B
  PPP ÍkfoRÌ¼µ½VAÚ±â telnet ãA é¢Íf
  ÆdbñüðoRµ½Ú±ÌãÅà£é±ÆªÂ\Å·BPPP ðg¦Î È½
  Ì Linux PC ð PPP T[oÉÚ±µA»ÌT[oªÚ±µÄ¢élbg[
  N¹É ½©à(ÙÆñÇ)¼Ú»Ìlbg[NÉÚ±µÄ¢é©Ìæ¤É
  g¤±ÆªÂ\ÉÈèÜ·B

  Ü½A È½Ì Linux PC ð PPP T[oÆµÄÝè·êÎA¼ÌRs[
  ^©çdbñüoRÅÚ±µA È½Ì Linux PC Æ/ é¢ÍAlbg[
  NÉANZX·é±ÆªÂ\Å·B

  PPP ÍêÎêÌÊMû®Å·ªAPPP ðgÁÄ 2 äÌ Linux PC ðÂÈ¢
  ÅA 2 ÂÌlbg[NðÚ±·é±Æ( é¢Í[Jlbg[NðC
  ^[lbgÉÚ±·é±Æ)àÂ\Å·B

  PPP ÆC[TlbgÚ±Ìå«Èá¢ÌêÂÍXs[hÅ·BWIÈC[T
  lbgÚ±Ì_IÈÅå]¬xÍ 10Mbps(êb ½èSrbg)Å·
  ªA PPP ÌêAÅ¬ÌfÅà 33.6kbps(1 b ½è 1000 rbg)Å
  ·BÜ½APPP Ú±Ì`ÔÉæÁÄÍg¦éAvP[VâT[rXÉ§
  Àª¶¶é±Æà èÜ·B

  1.1.  NCAgÆg¦éT[rX

  PPP Íµ§ÈêÎêÌvgRÅ·G·Èí¿A(ZpIÉÍ)dbð©¯é
  ¤Ì}VÆó¯é¤Ì}VÉá¢Í èÜ¹ñBµ©µÈªçAbðªè
  â··é½ßÉT[oÆNCAgÆ¢¤æÊðt¯Äg¤±ÆÉµÜ
  ·B

  dbð©¯Ä PPP Ú±ðm§·é¤ÌTCgðNCAgÆÄÑAÚ±æ
  Ì}VðT[oÆÄÔ±ÆÉµÜ·B

  dbðó¯Ä PPP Ú±ðpÓ·é¤Ì Linux }VðÝè·éêAPPP T
  [oðÝèµÄ¢éí¯Å·B

  SÄÌ Linux PC Í PPP ÌT[oÉàNCAgÉàÈêÜ·B¡ÌV
  A|[g(ÆKvÈçÎf)ª êÎAêäÌ}VªT[oÆNC
  AgÉ¯ÉÈé±ÆàÂ\Å·BãqÌæ¤ÉAPPP Ú±ª¬§µÄµÜ
  ¦ÎNCAgÆT[oÌÔÉÍ½Ìá¢à èÜ¹ñB

  ±Ì¶ÅÍdbð©¯é¤Ì}VðNCAgÆµAdbðó¯
  ÄA([U[ ID âpX[hA é¢Í»Ì¼ÌdgÝÅ)[U[FØð
  ·é¤Ì}VðNCAgÆÄÔ±ÆÉµÜ·B

  ÙÆñÇÌlÍAPPP ðNCAg¤Åg¢AC^[lbgÉÚ±µÄ¢
  é}VÉÚ±·é±ÆÉ»¡ð¨¿Åµå¤B»ÌêAÞçÍ PC ðN
  CAgÆµÄgÁÄ¢éí¯Å·B

  ±Ì¶Éà¾µÄ¢éèÉ]¦ÎAC^[lbgÉ©®IÉÚ±·é±
  ÆàÂ\ÉÈèÜ·B

  Á¦ÄALinux PC ð PPPT[oÆµÄÝè·éû@ÉÂ¢ÄðàµA PPP ð
  gÁÄ 2 ÂÌ LAN ð(®SÈ[eBOÅ)Ú±·éû@ÉÂ¢Äàà¾µ
  Ü·(±êÍ WAN - Wide Area Network - Ú±Åæ©çêéû@Å·)B

  1.2.  fBXgr[V²ÆÌá¢

  ¢ÌÉÍ³Ü´ÜÈ Linux ÌfBXgr[Vª èA»ê¼êÉ
  Æ©Ìû@ðÁÄ¢Ü·B

  Linux(Unix) }VðN®·éÛÌÝèû@ÆeíÌC^[tFCXÌÝè
  û@ÉÍAå« 2 ÂÌû@ª èÜ·B

  êÂÍBSD X^CÌN®û@Å èAà¤êÂÍSystem V X^CÌN®
  û@Å·B¢Â©Ì Unix ÉÖµ½j[XO[vð²ÉÈÁ½ûÈç
  ÎA¼ÒÌÔÉÆµÄN±é¹íð©·«µ½±Æà éÅµå¤B»Ìí
  Ìc_É»¡ª êÎQÁµÄÝé±ÆàÊ¢©àmêÜ¹ñB

  ½ª Linux ÅàÁÆàLgíêÄ¢éfBXgr[VÌ¤¿A

  o  Slackware
     Í BSD X^CÌN®û@ðÌpµÄ¨èA

  o  Red Hat (Æ»êÉR·é Caldera)
     Í SysV X^CÌN®û@ðÌpµÄ¢Ü·B

  BSD X^CÌN®û@ÅÍAN®pÌt@CÍ /etc/... É èAÈºÌ
  æ¤Èt@CÉÈÁÄ¢Ü·B

  ______________________________________________________________________
          /etc/rc
          /etc/rc.local
          /etc/rc.serial
  ______________________________________________________________________

  System V X^CÌN®û@ÅÍAN®pÌt@CÍ /etc/rc.d/... É 
  èA½ÌTufBNgªpÓ³êÄ¢Ü·B

  ______________________________________________________________________
  drwxr-xr-x   2 root     root         1024 Jul  6 15:12 init.d
  -rwxr-xr-x   1 root     root         1776 Feb  9 05:01 rc
  -rwxr-xr-x   1 root     root          820 Jan  2  1996 rc.local
  -rwxr-xr-x   1 root     root         2567 Jul  5 20:30 rc.sysinit
  drwxr-xr-x   2 root     root         1024 Jul  6 15:12 rc0.d
  drwxr-xr-x   2 root     root         1024 Jul  6 15:12 rc1.d
  drwxr-xr-x   2 root     root         1024 Jul  6 15:12 rc2.d
  drwxr-xr-x   2 root     root         1024 Jul 18 18:07 rc3.d
  drwxr-xr-x   2 root     root         1024 May 27  1995 rc4.d
  drwxr-xr-x   2 root     root         1024 Jul  6 15:12 rc5.d
  drwxr-xr-x   2 root     root         1024 Jul  6 15:12 rc6.d
  ______________________________________________________________________

  C[TlbgC^[tFCXâ»êÉÖA·élbg[NÌoH§äªÇ
  Ìæ¤ÉÝè³êÄ¢é©ð²×éÉÍA±êçÌt@Cð`FbNµÄA
  ÀÛÉ»êçðsÈÁÄ¢éR}hð©t¯éKvª èÜ·B

  ¢Â©ÌáÅÍ(á¦Î Red Hat Æ Caldera) X EBhEx[XÌ PPP
  Ýèc[ªt®µÄ¢éêª èÜ·Bµ©µÈªçA±Ì HOWTO Å
  ÍA»Ìæ¤ÈÁèÌfBXgr[VÉË¶µ½c[Ìà¾ÍµÜ
  ¹ñB»êçÌc[Åâèª¶¶½êÍAfBXgr[VÌì¬
  ³É¼ÚqËÄ¾³¢B

  2.  IP Ô

  C^[lbgÉÚ±·éSÄÌfoCXÍÆ©Ì IP ÔðÁÄ¢È¯ê
  ÎÈèÜ¹ñBIP ÔðÇ·é½ßÌgDÍe²ÆÉÝu³êÄ¢Ü
  ·B

  LAN ðoRµÄC^[lbgÉÚ±·éêA ç©¶ß»Ì LAN pÉ
  èÄçê½ IP ÔÌ©çALAN ÉÚ±µÄ¢éSÄÌRs[^Æf
  oCXÌ IP AhXðÝèµÈ¯êÎ¢¯Ü¹ñBèÉs¢µ½ IP Ô
  ðgÁÄ LAN (C^[lbgÍ¾¤ÜÅàÈ)ÉÚ±µÄÍ¢¯Ü¹ñB
  Å«ÌêAPÉ®©È¢¾¯ÅÈA È½Ìuñ¾v IP ÔªAùÉ
  »ÌÔðgÁÄ¢éRs[^ÌÊMÆ±ÂµÄå¬ðà½ç·Â\«
  ·ç èÜ·B

  ±Ì¶ÌÅg¤ IP ÔÍ(¢Â©ÌáOð¢Ä)AC^[lbgÉ
  Ú±µÈ¢lbg[NpÉ ç©¶ßpÓ³êÄ¢éÔÌ©çIñÅ¢
  é±ÆÉÓµÄ¾³¢B

  C^[lbgÉÚ±µÄ¢È¢ LAN pÉpÓ³ê½ IP ÔÍÈºÌÊè
  Å·B

  o  Class A ÌAhX 1 Â
     10.0.0.0 - 10.255.255.255

  o  Class B ÌAhX 16
     172.16.0.0 - 172.31.255.255

  o  Class C ÌAhX 256
     192.168.0.0 - 192.168.255.255

   È½ÌÌ IP ÔÌÇgD©ç IP ÔðÄÄàçÁÄ¢È¢ (Â
  ¶½)LAN ÉÍAãÌ IP ÔÌ©çêAÌÔðè ÄÄgÁÄ¾³
  ¢B

  ±êçÌ IP ÔÍC^[lbgÉÚ±µÄ¢éfoCXÉÍµÄgÁÄ
  Í¢¯Ü¹ñBµ©µÈªçAC^[lbgÉÚ±µÄ¢é}VÌ[J
  ÈC[TlbgC^[tFCXÉÄé±ÆÍÂ\Å·BÈºÈçAIP
  ÔÆ¢¤ÌÍÀÛÉÍlbg[NC^[tFCXÉt¯éàÌÅ èA
  Rs[^Ét¯éàÌÅÍÈ¢©çÅ·BÅ·©çAC[TlbgC^
  [tFCXª (á¦Î)10.0.0.1 Å ÁÄàAPPP ðgÁÄC^[lbgÉ
  Ú±·éêAPPP C^[tFCXÉÊÌ(LøÈ) IP ÔðT[o©ç
  èÄÄàç¦ÎAPPP oRÅC^[lbgÉÚ±·é±ÆÍÂ\Å·B±
  ÌêA È½Ì}V©çÍC^[lbgÉÚ±Å«Ü·ªALAN ÉÚ±
  µ½¼ÌRs[^©çÍÚ±Å«Ü¹ñB

  µ©µÈªçALinux Æ ipfwadm \tgÌ IP masquerade @\ðg¦ÎA
  LAN ÉÚ±µ½¼Ì}V©çàC^[lbgÉÚ±·é±ÆªÂ\ÉÈè
  Ü·(g¦éT[rXÉ½Ì§ÀÍ èÜ·ª)B

  masquerade @\ÌÚ×ÉÂ¢ÄÍ IP Masquerade mini-HOWTO(Linux IP
  Masquerade mini HOWTO <http://sunsite.unc.edu/mdw/HOWTO/mini/IP-
  Masquerade> ð²¾³¢B

  uêäÌ}Vð PPP ðgÁÄvoC_oRÅC^[lbgÉÚ±µ½
  ¢vÆ¢¤ÙÆñÇÌêÊ[U[ÉÆÁÄÍAIP Ô(æè³mÉÍlbg
  [NÔ)ðö®Éè ÄÄàç¤KvÍ èÜ¹ñB

  ¬KÍÌ LAN ðC^[lbgÉÚ±µ½¢êA½ÌC^[lbgÚ
  ±T[rXvoC_(ISP)ªA ç©¶ßpÓµÄ é IP ÔÌ©çê
  pÌTulbg(IP ÔÌÁèÌg)ðèÄéT[rXðpÓµÄ¢Ü
  ·B

  êäÌ PC ð ISP oRÅC^[lbgÉÚ±µ½¢[UÉÎµÄAÙÆ
  ñÇÌ ISP Í®IÈ IP ÔÌèÄðsÈÁÄ¢Ü·B·Èí¿AÚ±
  µ½ÛÉ ISP ©çA»ÌÚ±ÌÛÉÌÝLøÈ IP Ôð È½Ì PPP C
  ^[tFCXÉèÄéAÆ¢¤dgÝÅ·B

  ®IÈ IP ÔÌèÄ@\ÌêAèÄçêé IP ÔÍÚ±·é½
  ÑÉÙÈèÜ·B±ÌêAT[o^CvÌAvP[VA·Èí¿
  sendmail â ftpdAhttpd ÈÇÍ¤Üg¦Ü¹ñB®IÈ IP ÔÌè
  ÄÉæé§ÀÉÂ¢Ä(ÆÂ\ÈÍÍÅ»Ì§Àð®èÊ¯éû@ÉÂ¢
  Ä)ÍãqµÜ·B

  3.  ±Ì¶ÌÚI

  3.1.  PPP NCAgðÝè·é

  ±Ì¶ÅÍ Linux Æ PPP ðgÁÄ PPP T[oÉÚ±µAPPP ðgÁ½ IP
  Ú±ð£è½¢lü¯ÉðàðµÜ·BÈºÅÍJ[lÌÄ\zÉ PPP
  hCoªRpC³êA È½Ì Linux }VÉ PPP hCoªCX
  g[³êÄ¢éàÌÆµÜ·(½¾µAPPP hCoðg¤½ßÌJ[l
  ÌÝè/RpCÌû@ÉÂ¢ÄàÈPÉà¾µÜ·)

  3.1.1.  DIP Ígí¸É CHAT ðg¤

  DIP(SLIP Ú±ð£é½ßÌî{IÈû@Å·)ðgÁÄ PPP Ú±ð·é±Æ
  àÂ\Å·ªADIP XNvgÍTµÄ«íßÄ¡GÈÌÅA±Ì¶ÌÅ
  Í DIP ðgÁÄ PPP Ú±ð£éû@ÉÂ¢ÄÍà¾µÜ¹ñB

  »ÌãèA±Ì¶ÅÍ Linux PPP ªÌpµÄ¢éêÊIÈ chat/pppd ðg
  ¤û@ðà¾µÜ·B

  3.2.  PPP T[oÌÝè

  ±Ì¶Í È½Ì Linux }Vð PPP T[o(¼Ìlª È½Ì Linux }
  VÉdbð©¯Ä«Ä PPP Ú±ð£é±ÆðÂ·éê)ÆµÄÝè·é
  û@ÉÂ¢Äàà¾µÜ·B

  Linux }Vð PPP T[oÆµÄÝè·éû@Í½Êèà èÜ·B±Ì¶
  ÅÍ(¡ÌÆ±ë)»Ì¤¿ÌêÂÌû@ÌÝðà¾µÜ·B±Ìû@ÍÒ
  ª¡Ì¬KÍÈ PPP T[oðÝè·é½ßÉgÁ½àÌÅ·(»ê¼ê 16
  ÌfðÂÈ¬Üµ½)

  ±Ìû@Í¤ÜsÍ¸Å·ªAK¸µàÅPÌû@ÅÍ èÜ¹ñBàµ
  N©àÁÆÈP¾ÄÈ PPP T[oÌÝèû@ðä¶mÅµ½çAºÐ±Ì¶
  ÌÒÉ e-mail Å³¦Ä¾³¢B

  3.3.  2 ÂÌ LANA é¢Í LAN ÆC^[lbgð PPP ÅÚ±·éû@

  ±Ì¶ÅÍ PPP ðgÁÄ 2 ÂÌ LAN ðÚ±µ½èALAN ðC^[lb
  gÉÚ±·éû@ÉÂ¢ÄAî{IÈîñðñµÜ·B

  3.4.  ±Ì¶ªµíÈ¢âèAA

  o  fð Linux }VÉÚ±µÝè·éû@(ÌÚ×)
     Serial-HOWTOðä¾³¢B

  o  DIP ðgÁÄ PPP Ú±ð£éû@
     ãèÉ chat ðg¢Ü·B

  o  socks â IP masquerade Ìg¢û
     ±êçÉÂ¢ÄÍÆÄàæ¢¶ªùÉpÓ³êÄ¢Ü·B

  4.  ±Ì¶Åµ¤\tgEFAÌo[W

  ±Ì HOWTO ÅÍ Linux 1.2.x Æ PPP 2.1.2 ÌgÝí¹A é¢Í Linux
  1.3.x/2.0 Æ PPP 2.2 ÌgÝí¹ðOñÉµÄ¢Ü·B

  PPP 2.2.0 ð 1.2.13 J[lÆgÝí¹é±ÆàÂ\Å·ªA»Ì½ßÉ
  ÍJ[lÉpb`ð ÄéKvª èÜ·B±Ì¶Í±Ìæ¤ÈgÝí
  ¹ÉÂ¢ÄÍà¾µÜ¹ñB

  Ü½ALinux 2.0.X V[YÌJ[lÅ PPP 2.1.2 ðg¤±ÆÍÅ«È¢
  ±ÆÉÓµÄ¾³¢B

  ±Ì¶Í 2.0.x ÌV@\Å éÀs[hÂ\W[ÉÖíéâè
  ÉÂ¢ÄÍà¾µÜ¹ñBÚ×ÉÂ¢ÄÍ kerneld mini-HOWTO Æ 2.0.x É
  t®ÌJ[lW[ÉÖ·é¶ðÇñÅ¾³¢(Linux 2.0.x Ì\
  [Xc[ÅÍ /usr/src/linux/Documentation/..ÈºÌfBNgÉÖA
  ¶ªÜÆßçêÄ¢Ü·)B

  ±Ì¶ÍVµ¢[Uð¯é±ÆàÓ}µÄ¢Ä¢Ü·ÌÅAÀèµÄ
  ¢é±ÆªæmçêÄ¢éKØÈo[WÌ Linux Æ PPP ðg¤±Æð
  ¨EßµÜ·B

  5.  »Ì¼ÌLp/dvÈ¶

  ÈºÌ¶ÉàÚðÊ³êé±Æð¨©ßµÜ·B

  o  PPP t®ÌhLg
     (/usr/doc.. ÈºÌfBNgð²¾³¢)

  o  pppd Æ chat Ì}jAy[W
     (man chatAman pppd ·êÎ\¦³êÜ·)

  o  Linux Network Administration Guide (NAG)
     on line ÅÍThe Network Administrators' Guide
     <http://sunsite.unc.edu/mdw/LDP-books/nag-1.0/nag.html>©çüèÅ«
     Ü·B

  o  NET-2/3 HOWTO
     Linux NET-2/3-HOWTO
     <http://sunsite.unc.edu/mdw/HOWTO/NET-2-HOWTO.html>

  o  /usr/src/linux/Documentation ÈºÉ éJ[lÉÖ·é¶Þ

  o  O'Reilly ©çoÅ³êÄ¢é Unix/Linux ÉÖ·éDê½ÐB (I
     CÌJ^O <http://www.ora.com/>)à èÜ·BUnix/Linux ÉÂ¢
     ÄSÒÈçÎAßÌXÜÅÁÄ¢ÁÄ(à¢ÄÍ_)½û©ðü
     èµÄ¾³¢B

  Linux Ì¶ÞÉÂ¢ÄÍAThe Linux Documentation Project Home Page
  <http://sunsite.unc.edu/mdw/>©çßéÌª¢¢Åµå¤B[ú{êÉ|ó
  ³ê½¶ÍJFÌ® <http://jf.gee.kyoto-u.ac.jp/JF/>©çHêÜ·B]

  ±Ì¶¾¯Åà PPP Ú±ðg¤±ÆÍÂ\ÈÍ¸Å·ªAãLÌ¶ÉÚ
  ðÊ¹ÎÀÛÉÅ½ªsÈíêÄ¢é©ðæèÚµð·é±ÆªÅ«Ü
  ·BÜ½A½ªâèÉÈÁÄ¢é©ðméÌÉàð§ÂÅµå¤(ÈÆà
  comp.os.linux... ÈºÌj[XO[vÅ¸ÁÆ«¿âÅ«éÍ¸Å
  ·)B

  ãLÌ¶ÅÍ(ÖA RFC ÈÇàÜß)±Ì HOWTO ÅÍsÂ\ÈAæèÚµ¢
  îñªÐî³êAÚ×ÈðàªÈ³êÄ¢Ü·B

  PPP ðgÁÄ LAN ðC^[lbgÉÚ±·éêATCP/IP lbg[NÉ
  Â¢ÄÌm¯àKvÉÈèÜ·BãLÌ¶Ì¼ÉAO'Reilly Ì "TCP/IP
  Network Administration"â "Building Internet Firewalls"ªðÉ§ÂÅ
  µå¤B

  5.1.  LpÈ Linux ÖAÌ[OXg

  Linux ÉÖ·éîñð·Ì½ßÌ[OXgÍ³Ü´ÜÌxÌàÌ
  ª èÜ·B±êçÉÍ»¡[¢âèàc_³êAuÇ·êÎo±ª[Üé±
  ÆÅµå¤B

  «ÒÖÌê¾F¢Â©Ì[OXgÍãÒü¯âÁèÌbèü¯É
  ÈÁÄ¢Ü·B»êçÌ[OXgÉüÁÄàAROM µÄ¢é¤¿ÍN
  à¶åð¾¢Ü¹ñªAsKØÈ[OXgÉuSÒÌv¿âð·é
  ÆA©Èèèµµ¢Rg(t[ÉÍçÈÄà)ðó¯é±ÆÅµå
  ¤BÆ¢ÁÄà guru level Ì[UªuSÒÌv¿âðÁÄ¢éí¯Å
  ÍÈA»êçÌ[OXgÌÚIªÁèÌbèðêèÌxÈãÌ
  lÌÔÅc_·é½ßÌàÌ¾©çÅ·B

  ÆÉ©öJ³êÄ¢é[OXgÉüÁÄÝÜµå¤BÅàA»Ì
  [OXgÌe[}ð¨YêÈB

  Linux Ì[OXgÉÂ¢ÄÍA Linux Mailing List Directory
  <http://summer.snu.ac.kr/~djshin/linux/mail-list/index.shtml>ÉÚµ
  Ðî³êÄ¢Ü·B

  6.  Linux J[lÌÝè

  PPP ðg¤½ßÉÍ Linux J[lÉ PPP @\ðgÝ±ÜÈ¯êÎÈèÜ¹
  ñBÜ¾J[lÌ\[XR[hðüèµÄ¢È¯êÎA\[XR[hðèÉ
  üêÄ Linux ÌWIÈ\[XR[hÌfBNgÅ é /usr/src/linux
  Éu«Üµå¤B

  ½ÌfBXgr[VªA©®IÉ/usr/src/linuxfBNgÉ\
  [Xc[(t@CâTufBNg)ðCXg[·éÌÅAÜ¸±Ì
  fBNgð`FbNµÄ\[XR[hªCXg[³êÄ¢È¢©
  `FbNµÜµå¤B

  Linux ÌJ[l\[XÍ sunsite.unc.edu â»Ì~[TCg©çüè·
  é±ÆªÂ\Å·B

  7.  Linux J[l\[XÌCXg[

  ÈºÉLinux J[lÌ\[XR[hðüèµÄCXg[·é½ßÌè
  ðÈPÉ¦µÜ·BÚ×ÈèÍThe Linux Kernel HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/Kernel-HOWTO.html>ð²çñ¾³¢B

  LinuxJ[lðCXg[µÄRpC·éÉÍ[g ÀªKvÅ
  ·B

  1. /usr/src fBNgÖÚ®
     cd /usr/src

  2. /usr/src/linux ÈºÉ\[XªCXg[³êÄ¢È¢©mF

  3. \[XR[hª³¯êÎLinux kernel source directory
     <ftp://sunsite.unc.edu/pub/Linux/kernel/v2.0>©çüèµÜ·

     [àÅÍL´ZpÈwåw
     <ftp://ftp.tut.ac.jp/pub/Linux/kernel/v2.0>©çÅVÌJ[lªüè
     Å«Ü·B]

     (1.2.X ÈÇÌ)Ã¢J[lðTµÄ¢éêAÃ¢J[lA[JCu
     <ftp://sunsite.unc.edu/pub/Linux/kernel/old>ðTµÄ¾³¢B

  4. KÈJ[lðIÔ - ÊíA2.0.xV[YÌÅVÌJ[lðIÑÜ
     µå¤B»êð_E[hµÄtar t@Cð /usr/src Éu«Ü·B

     ÓFLinux ÌJ[l\[XÉÍ½Ìt@Cª³Ü´ÜÈfBN
     gÉi[³êÄ¢éÌÅA'tar' t@CÍ»êç¡Ìt@CðÜ
     Æß½t@CÉÈÁÄ¨èAÊí³k³êÄ(g£q .gz)¢Ü·Btar
     t@CÍ¿å¤Ç DOS Ì zip t@CÌæ¤ÈàÌÅ·B
  5. ·ÅÉ\[XR[hªCXg[³êÄ¢ÄVµ¢àÌÉXVµ½¢ê
     AÜ¸Ã¢\[XR[hðíµÄ¾³¢BÈºÌR}hðÀsµ
     Ü·B

     rm -rf /usr/src/linux

  6. ÉÈºÌR}hÅ\[XR[hðWJµÜ·
     tar xzf linux-2.0.6.tar.gz

  7. É cd /usr/src/linuxµÄ README t@CðÇñÅ¾³¢B±Ì
     t@CÉÍÇÌæ¤ÉJ[lÌ@\ðÝèµÄRpC·é©ªÚ
     µðà³êÄ¢Ü·ÌÅAÜ¸±Ìt@CðÇÞ±Æð¨©ßµÜ
     ·(vgAEgµÄè³Éu¢Ä¨Ìà¢¢Åµå¤BJ[lðR
     pC·éÛÉÍ©ÈèÔª©©éÌÅA»ÌÔÉ README ð¶Á
     èÇñÅÝÜµå¤)

  8.  n[hEFAÉÂ¢Ä

  J[lðÄRpC·é½ßÉÍA È½Ì PC ÉgÝ±ÜêÄ¢éJ[
  hâfoCXÉÂ¢ÄmÁÄ¢éKvª èÜ·B¢Â©ÌfoCX(á¦
  ÎTEhJ[h)ÅÍæèÚµ¢Ýè(IRQ â I/O AhXÈÇ)ðmÁÄ¨
  Kvà èÜ·B

  9.  J[lÌRpC - Linux 1.2.13 Ìê

  ÝèvZXðnßéÛÉÍACXg[ð³µs¤½ßÉ README t@
  CÌw¦É]ÁÄ¾³¢BJ[lÌÝèÍ

       make config

  ÅnßÜ·B

  PPP ðg¤½ßÉÍ PPP @\ðJ[lÉgÝ±Þæ¤ÉÝèµÜ·(PPP Í
  pppd ÆJ[lÉgÝ±Üê½ PPP hCoÌoûªKvÅ·)B

  ______________________________________________________________________
    PPP (point-to-point) support (CONFIG_PPP) [n] y
  ______________________________________________________________________

  »Ì¼ÌÝèÍA È½Ì PC ÉgÝ±Üê½n[hEFAâg¢½¢ Linux
  Ì@\É¹ÄIðµÄ¾³¢BÉAREADME É]ÁÄRpCµAV
  µ¢J[lðCXg[µÜ·B

  1.2.13 J[lÅÍ 4 ÂÌ PPP foCXµ©ìèÜ¹ñB}`|[gV
  AJ[hðg¤êAJ[lÌ PPP hCoÌ\[XðC³µÄAæ
  è½Ì|[gªg¦éæ¤ÉµÄ¾³¢(KvÈC³ÌÚ×ÉÂ¢ÄÍ
  PPP-2.1.2 t®Ì README.linux Éà¾µÄ èÜ·)B

  ÓF1.2.13 Ì make config ÌÝèÍãÉÍßèÜ¹ñBÅ·©çAÔá¦
  ½êÍ CTRL C ðµÄI¹µAÄxnß©çÝèµÄ¾³¢B

  9.1.  J[lÌRpC - Linux 1.3.x Æ 2.0.x Ìê

  2.0.x Åà 1.2.13 Æ¯lÌèÉÈèÜ·B±ÌêàA\[Xð³µC
  Xg[·éÉÍ README t@CÌw¦É]ÁÄ¾³¢BJ[lÌÝ
  èÍ

       make config

  ÅnßÜ·B

  2.0.x ÅÍ

       make menuconfig

  àg¦Ü·B

  make menuconfig Íj[x[XÌÝèVXeÅAICwvàp
  Ó³êAD«ÈÆ±ë©çÝè·é±ÆªÂ\Å·B

  X EBhEx[XÌÝèVXeÅ é

       make xconfig

  ðg¤±ÆàÂ\Å·B

  PPP @\Í¼ÚJ[lÉgÝ±Þ±ÆàÅ«Ü·µAÀs[hW[
  ÆµÄRpC·é±ÆàÂ\Å·BPPP ðg¤ÌÍ²Àçê½Ô¾
  ¯AÆ¢¤êÍ PPP @\ÍW[ÆµÄRpCµ½ûª¢¢Å
  µå¤B'kerneld' ðg¦Î PPP Ú±ðJnµæ¤Æµ½ÛÉ©®IÉ PPP
  Ú±ÉKvÈW[ðgÝ±Þ±ÆªÅ«Ü·B±¤µÄ¨¯Îó
  ÔðßñÅ«Ü·FJ[l{Ìª©çXbvAEg·é±ÆÍ è
  Ü¹ñªA'kerneld' ªgÝ±ñ¾Às[hW[ÍAKvª³È
  êÎ©®IÉæèÍ¸³êÜ·B

  kerneld ðg¤½ßÉÍA®I[hW[ðgpÂ\ÉµÜ·B

  ______________________________________________________________________
          Enable loadable module support (CONFIG_MODULES) [Y/n/?] y
  ______________________________________________________________________

  PPP @\ðJ[lÉgÝ±ÞêAÈºÌÝèðµÜ·B

  ______________________________________________________________________
          PPP (point-to-point) support (CONFIG_PPP) [M/n/y/?]
  ______________________________________________________________________

  PPP ðW[É·éêÍMÆ¦Ü·BJ[lÉgÝ±Ý½¢ê
  ÍYÆ¦Ä¾³¢B

  1.2.13 ÆÍÙÈèA2.0.x ÌJ[lÅÍ PPP foCXÍKvÉ¶Ä®I
  Éì¬³êéÌÅAPPP foCXÌ§ÀÉÖ·éC³ðs¤KvÍ èÜ¹
  ñB

  9.2.  PPP-2.2 Æ /proc/net/dev ÉÂ¢Ä

  PPP-2.2 ðgÁÄ¢éêAfoCXª®IÉì¬³êé@\ÌìpÆµ
  ÄA pppd ðN®·éÜÅÍ /proc/net ð©Äà PPP foCXÍ©Â©èÜ
  ¹ñ

  ______________________________________________________________________
  [hartr@archenland hartr]$ cat /proc/net/dev
  Inter-|   Receive                  |  Transmit
   face |packets errs drop fifo frame|packets errs drop fifo colls carrier
      lo:  92792    0    0    0    0    92792    0    0    0     0    0
    eth0: 621737   13   13    0   23   501621    0    0    0  1309    0
  ______________________________________________________________________

  µ©µÈªçA¢Á½ñ PPP T[rXðJn·êÎAKvÈfoCXÍÈº
  Ìæ¤É©¦éæ¤ÉÈèÜ·(Ì^pµÄ¢é ppp T[oÌáÅ·)

  ______________________________________________________________________
  [root@kepler contrib]# cat /proc/net/dev
  Inter-|   Receive                  |  Transmit
   face |packets errs drop fifo frame|packets errs drop fifo colls carrier
      lo: 428021    0    0    0    0   428021    0    0    0     0    0
    eth0:4788257  648  648  319  650  1423836    0    0    0  4623    5
    ppp0:   2103    3    3    0    0     2017    0    0    0     0    0
    ppp1:  10008    0    0    0    0     8782    0    0    0     0    0
    ppp2:    305    0    0    0    0      297    0    0    0     0    0
    ppp3:   6720    7    7    0    0     7498    0    0    0     0    0
    ppp4: 118231  725  725    0    0   117791    0    0    0     0    0
    ppp5:  38915    5    5    0    0    28309    0    0    0     0    0
  ______________________________________________________________________

  9.3.  J[lÝèÌ»Ì¼ÌÝèÉÂ¢Ä

   È½Ì Linux }Vð PPP T[oÆµÄÝè·éêAIP tH[[h
  @\àgÝ±ñÅ¨Kvª èÜ·BIP tH[[h@\ÍA¡Ì LAN
  ðÚ±·éêâ LAN ðC^[lbgÉÚ±·éêàKvÅ·B

  LAN ðC^[lbgÉÚ±·éê( é¢Í 2 ÂÌ LAN ðÚ±·éê
  )AZLeBÉÂ¢ÄÓµÈ¯êÎÈèÜ¹ñBJ[lÉ IP t@
  CA[EH[Ì@\ðgÝ±Þ±ÆàK{Å·B

  ÈOÉq×½æ¤ÉAÂ¶½lbg[NpÌ IP ÔðgÁÄ¢élbg
  [NðC^[lbgÉÚ±·éêAIP masquerade Ì@\ªKvÉÈèÜ
  ·B

  RpCµ½J[lðCXg[µÄÄN®·êÎAPPP Ú±ÌÝèÆ
  eXgªÂ\ÉÈèÜ·B

  10.  PPP Ú±ð·é½ßÉKvÈîñ

  T[oÆ PPP Ú±·éÛÉÍÈºÌîñªKvÉÈèÜ·(PPP T[oÌVX
  eÇÒ© ISP Ì[UT|[gûÉâ¢í¹Ä¾³¢)

  o  PPP T[rXðâÁÄ¢édbÔ
     ïÐÈÇÌ\àñü©çÚ±·éêAOÖÚ±·é½ßÌàüÔà
     KvÅ·B±êÍ½¢Ä¢ 0 © 9 ÉÈÁÄ¢éÅµå¤B

  o  T[oª®IÈ IP ÔÌèÄðsÈÁÄ¢é© ç©¶ßßçê
     ½ IP ÔðgÁÄ¢é©

     PPP Ú±É ç©¶ßÜÁ½ IP AhXðg¤æ¤ÉÈÁÄ¢éê
     A PPP ÌÚ±ÌÛÉg¤ IP ÔàKvÉÈèÜ·B

     ÙÆñÇÌ ISP ÅÍ®IÈèÄðsÈÁÄ¢éÍ¸Å·BãqÌæ¤
     ÉA®IÈèÄÌêApÂ\ÈT[rXÉ¢Â©Ì§Àª¶¶
     Ü·B

  o   ç©¶ßÜÁ½ IP Ôðg¤êAlbg[N}XNàKvÉÈ
     éÌÅ ISP Éâ¢í¹Ä¨¢Ä¾³¢B

  o  ISP Ìl[T[o(Domain Name Servers)ÌIP ÔÍH
     l[T[oÌAhXªÅá 1 ÂÍKvÅ·B

  o  T[oÍ PAP/CHAP FØðgÁÄ¢Ü·©H

     »Ìæ¤ÈêAÚ±ÉÍFØÉKvÈ ID â®(secret)ªKvÆÈèÜ
     · (ÊíÍ È½Ì[U[¼ÆpX[hªgíêÜ·)

  o  Ú±·êÎT[oª©®IÉ PPP Ú±ðJn·éÌ©AêU login µÄ
     ©ç PPP ðN®·é½ßÌR}hªKvÉÈéÌ©H
     PPP ðN®·é½ßÌR}hªKvÈçÎA»ÌR}h¼ÍH

  ±êçÌîñð«¿ñÆµÄ©çæÉiÝÜµå¤B

  10.1.  fðoRµ½OÖÌÚ±eXg

  fª³µÝè³êÄ¨èAÇÌVA|[gÉÂÈªÁÄ¢é©ðm
  FµÄ¾³¢B

  ½¢Ä¢ÈºÌæ¤ÉÈèÜ·

  o  DOS com1: = Linux /dev/cua0 (Æ /dev/ttyS0)

  o  DOS com2: = Linux /dev/cua1 (Æ /dev/ttyS1)
     X

  êxAÊM\tg(minicom Ìæ¤È)ðgÁÄAPPP T[oÌdbÔÉ³µ
  ANZXÅ«é©mFµÄÝÜµå¤B

  (ÓF±ÌiKÅÍÜ¾ PPP Ú±ðµÄÍ¢¯Ü¹ñ - dbÔª³µ
  ¢©APPP Ú±ðnßé½ßÉT[oªÚ±ÉÇÌæ¤ÈbZ[WðÁ
  Ä¢é©ð³mÉmé±ÆªdvÅ·)

  ±ÌiKÅÍAÊM\tgÌO@\ðgÁÄÚ±ßöðt@CÉ·©A
  Ó[(«íßÄÓ[)AT[o©çÇÌæ¤ÈvvgªçêÄ«
  ÄAÇÌiKÅ[U¼ÆpX[hðüÍµÈ¯êÎ¢¯È¢©ð(PPP Ú
  ±ðsÈ¤½ßÉKvÈR}hà)³mÉ«ÊµÄ¾³¢

  ÈÆà 2 ñÍdbð©¯Ä¨¢½ûª¢¢Åµå¤BT[oÉæÁÄÍ
  Ú±ÌÛÉvvgªÏíéêà(á¦ÎÔð\¦·éÈÇ) èÜ·B
   È½Ì Linux }VªâÎmÁÄ¨©È¯êÎÈçÈ¢ 2 ÂÌdvÈv
  vgÍ

  o  [U¼ðüêé½ßÌvvg;

  o  pX[hðüêé½ßÌvvg;

  Ì 2 ÂÅ·B

  T[oÅ PPP ðN®·é½ßÉ½ç©ÌR}hªKvÈêAÚ±µÄ©
  ç»ÌR}hðÀs·éÛÌvvgàmÁÄ¨©ËÎÈèÜ¹ñB

  Ú±æÌT[oª©®IÉ PPP Ú±ðJn·éêA»ÌdbÔÉOC
  ·éÆæÊÉÓ¡s¾È¶ñª\¦³êéÍ¸Å·B±êçÍ PPP T[
  oª È½Ì}VÉ PPP Ú±ðJnµÄeíÌÚ±ðs¤½ßÉÁÄ¢
  éîñÅ·B

  ±Ì¶ñÍÈºÌæ¤È`®ÉÈÁÄ¢Ü·B

       ~y}#.!}!}!} }8}!}$}%U}"}&} } } } }%}& ...}'}"}(}"} .~~y}

  (»µÄ¸ÁÆ±¯Ü·I)

  ±ÌiKÅfÌÚ±ðØèÜµå¤(ÊíA+++ ðfüÍµAATHO R
  }hðêÎAfÍñüðØfµÄ OK ðÔ·Í¸Å·)

  ¢Â©ÌVXeÅÍT[oÉOCµÄ©ç PPP ð¾¦IÉN®·é
  Kvª èÜ·BÊíA PPP ÅàÊíÌVFÂ«Åà¯¶[U¼ÆpX
  [hÅÚ±Å«éæ¤ÉÈÁÄ¢éêÉ±Ìæ¤ÈÝèª³êÄ¢éÍ¸
  Å·B±Ìæ¤ÈêAêUOCµÄ©çKvÈR}hðÀsµÄÝÜ
  ·B·éÆAT[oªÁÄéÓ¡s¾Ì PPP Ú±N®Ì½ßÌ¶ñª
  æÊÉ\¦³êéÍ¸Å·BmFµ½çñüðØfµÜµå¤B

  T[oª PPP Ú±ðJnµÄàAæÊÉ»ÌíÌ¶ñª\¦³êÈ¢ê
  A½ª(âÎÅÍ èÜ¹ñª) È½ª½©ÔáÁÄ¢éÍ¸Å·B

  àµ©·éÆAÚ±æÌ PPP T[oªpbVu[h(óM)ÅÝè³êÄ¢
  éÌ©àmêÜ¹ñBpbVu[hÅÝè³êÄ¢éT[oÍNCAg
  ( È½ÌRs[^)Ì¤©ç PPP Ú±ðJnµÈ¢Æ½à½ðÔµÜ
  ¹ñB

  µ©µÈªçAÙÆñÇÌT[oÍANeBu[h(M)ÅÝè³êÄ¨
  èAÚ±·êÎÓ¡s¾Ì¶ñª\¦³êéÍ¸Å·B

  fª³µ®©È¢êAÜ¸fÉt®Ì}jAðÇÝÜµå
  ¤BÉAgÁÄ¢éÊM\tgÌ}jAâ Serial HOWTO ÉÚðÊµÜ
  ·B»ÌãAãLÌßöðÄxµÄÝÄ¾³¢B

  11.  VA|[gÆ»ÌXs[hÉÂ¢ÄÌ

  ¬È(Ot¯)f(14,400 Baud Èã)ðgÁÄ¢éêAVA|[g
  àfÈãÌ]¬xÅf[^ðâèÆè·éKvª èÜ·BÁÉf
  ªf[^³k@\ðgÁÄ¢éêAVA|[gÉ¬xªv³êÜ·B

  »Ì½ßÌVA|[gÉÍA16550(A) Æ¢Á½Vµ¢ UART(Universal
  Asynchronous Reveiver Transmitter)ðg¤Kvª èÜ·BÃ¢}V( 
  é¢ÍÃ¢VAJ[h)ðgÁÄ¢éêAUART Í 8250 ÉÈÁÄ¢é±
  Æª½¢Í¸Å·B8250 UART ÅÍ¬Èfðg¨¤Æ·éÆâèðø«
  ¨±·±ÆÉÈèÜ·B

  mF·éÉÍ

       setserial -a /dev/ttySx

  µÄÝÄ¾³¢B

  ±¤·éÆAgÁÄ¢é UART ÌíÞª\¦³êÜ·B16550A ^CvÌ UART
  ðgÁÄ¢È¢êAVµ¢VAJ[hðwüµ½ûª¢¢Åµå¤
  ($50 ÈºÅüèÅ«éÍ¸Å·)

  ÓFúo[WÌ 16550 UART `bvÉÍoOª èÜ·B±êÍú
  É©³êAüÇÅÌ 16550A UART `bvª[X³êÜµ½Bµ©µA
  âèÌ é`bvª²Å·ªsêÉoÜíÁÄ¢éæ¤Å·B½ª±Ì
  `bvÉö·é±ÆÍ³¢Æv¢Ü·ªAÁÉNãmÌVAJ[hÌ
  êAsetserial ª 16550A ðgÁÄ¢é±Æð¦·©mFµÄ¾³¢B

  12.  fÌÝè

  PPP ©çfðg¦éæ¤ÉÝè·éKvª èÜ·B±Ì½ßÉÍ f
  Ét®Ì}jAðÇñÅ¾³¢BÙÆñÇÌfÍHêo×ÌÝ
  è ÌÜÜÅà PPP ©çg¦éÍ¸Å·BÅ¬ÀKvÈÝèÍA

  o  n[hEFAt[Rg[(RTS/CTS) (Hayes nÌR}hðÌpµ
     Ä¢é½ÌfÅÍ &K3Å·)

  Å·B

  »Ì¼A`FbNµ½ûª¢¢ÝèÍ(WIÈ Hayes R}hÅ¦µÜ·)

  o  E1 R}hÅ Echo ð ON É(chat ÉKv)

  o  Q0 R}hÅUgR[hðÔ·æ¤É(chat ÉKv)

  o  S0=0 Å©®ð OFF É(fªdbÉ¦éêÍsv)

  o  &C1 ÅÚ±ãÉLAfeNgª ON ÉÈéæ¤É

  o  &S0 Å DSR ªíÉ ON ÉÈéæ¤É

  o  (@íÉæÁÄá¢Ü·ª) DTR à ON ÉÈéæ¤É

  Rs[^ÆfðÚ±·éªÌfÌVAC^[tFCXª
  Ç¤ÈÁÄ¢é©ð`FbNµÄ¨ÌàLvÅ·B½¢Ä¢ÌVµ¢f
  ÅÍVAC^[tFCXÌ¬xÍÅèÉÈÁÄ¨èAdbñüÌ]¬
  xÍñüÌóÔÉæÁÄ©®IÉÚ±Â\ÈÅ¬ÉðIÔæ¤ÉÈÁÄ¢é
  Í¸Å·B

  ±Ìû@Í split speed operation ÆÄÎêA¨g¢Ìfª±Ì@\ð
  ÁÄ¢éêAfÌVAC^[tFCXÍÅ¬xÉÅèµÄg
  ¤Ìª¢¢Åµå¤(Êí 115,200 baud Å·ªA14,400 baud fÅÍ
  38,400 ÜÅÌêª èÜ·)

  ÊM\tg(á¦Î minicom)ðgÁÄAfÌÝèðmFµAPPP ÉKvÈ
  ÝèðsÈÁÄ¾³¢B½Ìfª AT&V Å»ÝÌÝèóÔðÔ·æ¤
  ÉÈÁÄ¢Ü·ªA³mÈÆ±ëÍfÌ}jAðQÆµÄ¾³¢B
  ÝèªS`S`ÉÈÁÄµÜÁ½êA½¢Ä¢ AT&F ÅHêo×ÌÝ
  èÉßèÜ·(ªµ½Vµ¢fÅÍHêo×ÌÝèÌÜÜÅ PPP ª
  g¦Üµ½ªA`FbNµÄÝé±Æð¨©ßµÜ·)B

  sö«Ì RAM ÉÝèðÛ¶µÜ·(ÊíAAT &W ÅÝèðÛ¶µÜ·ªAÚ
  ×ÍfÌ}jAðä¾³¢)

  ³µ¢ÝèðÛ¶µÄ¨¯ÎAfðZbg·êÎ»ÌÝèªp³êé
  æ¤ÉÈèÜ·B±¤µÄ¨¯Î PPP Ú±ð£éÛÌ chat XNvgª
  ¸ÁÆÈPÉÈéÅµå¤B

  12.1.  VA|[gÌt[§äÉÂ¢Ä

  f[^ªVAñüðÊß·éÛARs[^Ì¬xæèà¬f[
  ^ªÍêª èÜ·(Rs[^ªÊÌd¢dðµÄ¢éêÈÇB
  Linux Í}`[U[A}`^XN OS Å·)B»Ìæ¤ÈêÅàf[
  ^ð¸íÈ¢(üÍobt@©çf[^ªìêÈ¯êÎ³ÈèÜ¹ñ)æ¤É
  ·éÉÍf[^Ìt[§äªKvÉÈèÜ·B

  VAñüÌt[§äÉÍ 2 ÂÌû@ª èÜ·B

  o  n[hEFAt[§ä(f[^]ÌÛÉ Send/Request ðNA·é -
     CTS/RTS)

  o  \tgEFAt[§ä(control S Æ control Q ðg¤)

  ÊíÌeLXg\¦pÌ^[~iÈçÎãÒÌû@Åà\¢Ü¹ñªAPPP
  Ú±Ìãð¬êéf[^Í 8 rbgSÄðgÁÄ¢éÌÅ cntl-S â cntl-Q
  ªf[^ÌÇ±©É»íêéÂ\«Í©ÈèÈèÜ·BÅ·©çAf
  ª\tgEFAt[§äðgÁÄ¢éêA·®É§äsÂ\ÉÈèÜ·B

  8 rbgSÄðg¤ PPP Ú±ÅÍn[hEFAt[§äªK{Å·B

  13.  PPP Æ[g À

  PPP ÅÍJ[lÌ[eBOe[uÌÏXÆ¢Á½lbg[NfoC
  XðÝè·éKvª é½ßA[g ÀªKvÉÈèÜ·B

  [gÈOÌ[Uª PPP Ú±ðÝè·éêApppd vOÍ[gÉ
  setuid µÄ¨Kvª èÜ·B

       -r-sr-xr-x   1 root     root        95225 Jul 11 00:27 /usr/sbin/pppd

  /usr/sbin/pppd ª±Ìæ¤ÈÝèÉÈÁÄ¢È¢êA[gÉÈÁÄ

       chmod u+s /usr/sbin/pppd

  ÆµÜ·B

  ±¤µÄ¨¯ÎA[gÈOÌêÊ[Uª pppd ÌoCiðÀsµÄàA
  pppd Í[g ÀÅ®æ¤ÉÉÈèAêÊ[UÅàlbg[NC^
  [tFCXâJ[lÌ[eBOe[uðÝè·é½ßÉKvÈ ÀÅ
  pppd ðÀs·é±ÆªÂ\ÉÈèÜ·B

  [gÉ setuid ³ê½vOÍöÝIÈZLeBz[ÉÈèª¿
  ÈÌÅA[gÉ setuid ·éêÍÁÉÓµÄ¾³¢Bpppd ðÜß½
  [gÉ setuid ·é±ÆªK{ÌvOÍZLeBÉÍ\ªÓð
  ¥ÁÄ©êÄ¢éÌÅApppd ðg¤êAsetuid ÌâèÍÜ¸åävÅ
  µå¤(µ©µÛØÍ èÜ¹ñ)

  NÅà PPP Ú±ðJnÅ«éæ¤É·é©Û©Æ¢Á½VXeÌg¢ûÉ
  í¹ÄAppp-on/off XNvgÌÇÝoµâÀsÌÂ®«ðÝèµÄ
  ¾³¢B È½êlµ©»Ì PC ðgíÈ¢êAa+rx Å¢¢Åµå¤B

  µ©µAPPP Ú±ðJnÅ«élð§Àµ½¢ê(á¦ÎA È½Ìqà
   È½Ì Linux }VÉAJEgðÁÄ¢é¯êÇAÞçÉÍC^[
  lbgÖÚ±³¹½È¢ê)APPP Ú±pÌO[vðìÁÄ(/etc/group
  ðC³µÄ)

  o  ppp-on/off XNvgð[gÆ PPP O[vÌLÉµA

  o  ppp-on/off XNvgÌÇÝoµÂÆÀsÂð PPP O[vÉÌÝ
     ^¦Ü·B

         -rwxr-x---   1 root     PPP           587 Mar 14  1995 /usr/sbin/ppp-on
         -rwxr-x---   1 root     PPP           631 Mar 14  1995 /usr/sbin/ppp-off

  o  »êÈOÌÂ®«ÍµÄ¨«Ü·B

  o  PPP ðÀsÅ«é[UÌÝð /etc/group ðC³µÄ PPP O[vÉo
     ^µÜ·B

  ±Ìæ¤ÉÝèµÄàAêÊ[UÍ\tgEFAIÉÍ PPP Ú±ðØêÜ
  ¹ñBppp-off XNvgÉÍ[g ÀªKvÅ·Bµ©µÈªçAf
  Ìd¹ÍNÅàØêÜ·I

  ªÆÅgÁÄ¢é}VÅÍ pppd ð root É setuid µÄ¢Ü¹ñB PPP
  ðJn·é½ßÉA¾¯ªmÁÄ¢épX[hðgÁÄ[gÉÈÁÄÀ
  sµÄ¢Ü·B±¤µÄ¨¯Î§q½¿ªC^[lbgÉèÉÚ±·é±
  ÆÍÅ«Ü¹ñB

  14.  PPP Ú±pÝèt@C

  PPP ðNÅàg¦éæ¤ÉÝèµÄ¢éêÅàA±±©çæÍ[gÅ
  login µÄ¾³¢BPPP Ú±ÉKvÈfBNgðìèAÝèt@Cð
  C³µÜ·B

  PPP Í ppp Ú±ðÝè·é½ßÉ¢Â©ÌÝèt@CðpµÜ·B±
  êçÌt@CÌêâ¼OÍ PPP 2.1.2 Æ 2.2 ÌÅ½ÙÈÁÄ¢Ü·B

  PPP 2.1.2 ÌêAKvÈt@CÍ

  ______________________________________________________________________
  /usr/sbin/pppd          # pppd ÌoCi
  /usr/sbin/ppp-on        # _CA/Ú±pXNvg
  /usr/sbin/ppp-off       # Ú±I¹pXNvg
  /etc/ppp/options        # pppd ªSÄÌÚ±ÌÛÉg¤IvV
  /etc/ppp/options.ttyXX  # |[g²ÆÉg¤IvV
  ______________________________________________________________________

  Åµ½B

  PPP 2.2 ÌêA

  ______________________________________________________________________
  /usr/sbin/pppd                          # pppd ÌoCi
  /etc/ppp/scripts/ppp-on             # _CA/Ú±pXNvg
  /etc/ppp/scripts/ppp-on-dialer  # ÀÛÌ chat XNvg
  /etc/ppp/scripts/ppp-off            # Ú±I¹pXNvg
  /etc/ppp/options                # pppd ªSÄÌÚ±ÌÛÉg¤IvV
  /etc/ppp/options.ttyXX  # |[g²ÆÉg¤IvV
  ______________________________________________________________________

  ÉÈÁÄ¢Ü·B

  äÌæ¤ÉA/etc fBNgÉ ppp pÌfBNgª èÜ·B

  drwxrwxr-x   2 root     root         1024 Oct  9 11:01 ppp

  àµ±ÌfBNgª³¯êÎìÁÄ¾³¢B

  ±ÌfBNgª¶ÝµÄ¢êÎAoptions.tpl ÆÄÎêéIvVÝè
  t@CÌqi^t@Cª éÍ¸Å·B½¾µA±Ìt@CðÜñÅ¢
  È¢fBXgr[Và½¢æ¤ÈÌÅA±Ìt@CÍ±Ì¶É
  ÜßÄ¨«Ü·B

  ±Ìt@CÉÍ PPP ÌSÄIvVÌà¾ª©êÄ¢éÌÅAÅ¿o
  µÄ¨«Üµå¤(pppd Ì}jAð¹ÄÇßÎæèLvÅ·)B±Ì
  t@Cð /etc/ppp/options t@CÌ³ÆµÄg¤±ÆàÅ«Ü·ªA½
  ªRgAEg³êÄ¢éªðíµ½Vµ¢t@Cðì¬·éûª¢
  ¢Åµå¤B»¤µ½ûª¸ÁÆZÈÁÄAÇÝâ·AeiXàµ
  â·ÈèÜ·B

  ¡ÌVAñüâfðg¤ê(PPP T[oÉæ éê)ASÌÌ
  Ýèt@CÅ é /etc/ppp/oprions ÉÍSÄÌdbðó¯éVA|[
  gÉKvÈIvVðwèµÜ·BPPP Ú±Ì½ßÉÂÊÌÝèÌKvÈV
  AñüÉÍÊrÂÊÝèpÌt@Cª èÜ·B

  ÂÊÝèpÌt@CÍ options.ttyx1 â options.ttyx2 Æ¢Á½¼ÌÉ
  ÈÁÄ¢Ü·(x Í¨g¢ÌVA|[gÌ¼ÌÅ·)

  PPP Ú±ðêÂµ©gíÈ¢êASÄð /etc/ppp/options t@CÅÝè
  µÄà\¢Ü¹ñBÜ½ASÄÌIvVð pppd ðN®·éÛÌIvV
  ÆµÄwè·é±ÆàÂ\Å·B

  ±Ìûª /etc/ppp/options.ttySx Éwè·éæèàÈPÅ·BPPP Å¡Ì
  ÙÈéTCgÉÚ±·éêATCg²ÆÌÝèt@C
  /etc/ppp/options.site ðpÓµAÚ±ÌÛÉKvÈp[^ðÝèt@C
  Éwè·é±ÆàÂ\Å·B

  14.1.  options.tbl t@C

  PPP ÌfBXgr[VÉæÁÄÍ options.tpl t@Cª³¢ê
  à èÜ·ÌÅAÈºÉ®SÈt@Cðt¯Ä¨«Ü·B±Ìt@Cð¼
  ÚC³µÄ /etc/ppp/options t@CÈÇðìç¸AVµ¢t@CÉRs
  [µÄ©çC³·é±Æð¨©ßµÜ·B»¤µÄ¨¯ÎÝèª±ñªçªÁ
  ÄàIWiÌt@CÉßÁÄÄoÅ«Ü·B

  ______________________________________________________________________
  # /etc/ppp/options -*- sh -*- general options for pppd
  # created 13-Jul-1995 jmk
  # autodate: 01-Aug-1995
  # autotime: 19:45

  # ÀsÂ\ÈvO©VFXNvgðgÁÄVAñüðÝèµÜ·B
  # ±ÌXNvgÅÍ "chat" ðgÁÄf©ç_CµAÚ±æÌ PPP
  # ZbVðN®µÄ¢Ü·B
  #
  #connect "echo You need to install a connect command."

  # pppd ªÚ±ðØÁ½ãÉÀs·évO©VFXNvgðwèµÜ
  # ·Bá¦ÎAfªn[hEFA§äMÅñüfµÈ¢êÈÇÉAñü
  # ðÚ±·é½ßÌR}hðÀs·é±ÆªÅ«Ü·B
  #
  #disconnect "chat -- \d+++\d\c OK ath0 OK"

  # 32-bit hex ÅÌ async LN^}bvÌwèB32 rbgÌerbgª
  # pppd ªóMÌÛÉ»ÌLN^ðGXP[v·é©Ç¤©ðwèµÜ·B
  # 0x00000001 Í \x01, 0x800000000 Í \x1f ð¦µÜ·B
  #asyncmap 0

  # lbg[NpÌpPbgðâèÆè·éOÉÚ±æÉFØðßÜ·B
  #
  #auth

  # VA|[gÌt[§äÉn[hEFAt[§äðg¢Ü·B
  #
  #crtscts

  # XON/XOFF Æ¢Á½\tgEFAt[§äðg¢Ü·B
  #
  #xonxoff

  # IPCP ÌlS[VGVª¤Ü¢Á½êAÚ±æðQ[gEFCÉ·é
  # æ¤ÈoH§ä(default route)ðVXeÌoH§ä\ÉÁ¦Ü·B±Ìo
  # HÍ PPP Ú±ªI¹µ½iKÅí³êÜ·B
  #
  #defaultroute

  # `ÉÁèÌLN^ðGXP[vµÜ·(Ú±æª»ÌLN^ð
  # async control character map ÅwèµÄ¢é©Û©É©©íç¸)BGXP[
  # v·éLN^ÍR}ÅæØÁ½ 16 i\LÅwèµÜ·Basyncmap I
  # vVÅÍRg[R[hµ©GXP[vÅ«È¢ÌÉÎµ escape I
  # vVÅÍ çäéLN^ªGXP[vÅ«é±ÆÉÓµÄ¾³¢B
  # GXP[vÅ«È¢©àmêÈ¢LN^Í 0x20 -0x3f Æ 0x5e Å·B
  #
  #escape 11,13,ff

  # fÌ§äüðg¢Ü¹ñB
  #
  #local

  # pppd ª UUCP X^CÌbNt@CðìÁÄA¼ÌvOªVA
  # foCXðANZXµÈ¢æ¤ÉµÜ·B
  #
  #lock

  # fÌ§äüðìµÜ·BUltrix ÅÍ±ÌIvVÍ crtscts IvV
  # Æ¯¶n[hEFAt[§äàÜÝÜ·(±ÌIvVÍ®SÉÀ³
  # êÄ¢éí¯ÅÍ èÜ¹ñ)
  #
  #modem

  # Ú±èÉMRU[Maximum Receive Unit]Ìlð <n> É·éæ¤ÉkµÜ·B
  # ±ÌwèÉæèÚ±æÉ <n> oCgÈºÌpPbgÍçÈ¢æ¤Éwèµ
  # Ü·BMRU ÌÅ¬lÍ 128 ÅAftHglÍ 1500 Å·Bx¢ñüÅÍ
  # 296 ð§µÜ·(TCP/IP Ìwb_É 40 oCg + f[^É 256 oCg)
  #
  #mru 542

  # C^[tFCXÌlbg}XNð <n> ÉwèµÜ·BwèÍ 32 rbgð
  # hbgÅæØÁ½ 10 i\LÅ·(áF255.255.255.0)
  #
  #netmask 255.255.255.0

  # ©ªÌ¤Ì IP AhXðwèµÈ©Á½êAftHgÅÍzXg¼©ç
  # IP AhXðèµÜ·ªA±ÌIvVðwè·êÎ©ªÌ¤Å IP A
  # hXðè¹¸AÚ±æ©ç IPCP ÌlSVG[VÌÛÉçêÄé
  # IP AhXð[JÌ IP AhXÉµÜ·(R}hCâIvV
  # t@CÅ¾¦IÉ[JÌ IP AhXðwè·é±ÆàÂ\Å·)
  #
  #noipdefault

  # LCP Ì "passive" IvVðÂ\ÉµÜ·B±ÌIvVðwè·ê
  # ÎApppd Í©®IÉÚ±ðJnµæ¤ÆµÜ·B±ÌIvVðwèµÈ
  # ¢ÆÚ±æ©çÌÔªÈ©Á½ê pppd ÍI¹µÜ·ªA±ÌIvV
  # ðwè·êÎó®IÉLøÈ LCP pPbgªÍÜÅÒÂ±ÆÉÈèÜ·B
  #
  #passive

  # ±ÌIvVðwè·êÎAÚ±æ©ç³µ¢ LCP pPbgªÍÜÅ
  # pppd ÍÚ±ðJn·é½ßÌ LCP pPbgðMµÜ¹ñ(Ã¢o[W
  # Ì pppd Í "passive" IvVª±Ì®ìðwèµÜµ½)
  #
  #silent

  # LCP Æ IPCP ÉÁÊÌIvVðg¢Ü¹ñ(ftHgÌàÌÌÝðg¢
  # Ü·)
  #
  #-all

  # Address/Control ³kÉÖ·élSVG[VðµÜ¹ñ(ftHgA·
  # Èí¿Aaddress/contro tB[hÍgíÈ¢ÝèÉÈèÜ·)
  #
  #-ac

  # asyncmap ÌlSVG[VðµÜ¹ñ(ftHgÌ asyncmap, ·Èí¿
  # SÄÌRg[LN^ðGXP[v·éÝèÉÈèÜ·)
  #
  #-am

  # fork µÄobNOEhvZXÉÈèÜ¹ñ(±ÌIvVðwèµÈ
  # ¢ÆAVAfoCXðwèµÄ©ç pppd ÍobNOEhÉüèÜ·)
  #
  #-detach

  # IP AhXÌlSVG[VðµÜ¹ñ(±ÌIvVðwè·éêA
  # Ú±æÌ IP AhXÍR}hC©IvVt@CÅwèµÈ¯ê
  # Î¢¯Ü¹ñ)
  #
  #-ip

  # }WbNio[ÌlSVG[VðµÜ¹ñB±ÌIvVðwè·é
  # ÆApppd Íñüª[vobNóÔÉÈÁÄ¢ÄàoÅ«Ü¹ñB
  #
  #-mn

  # MRU[Maximum Receive Unit]ÌlSVG[VðµÜ¹ñ(ftHglÅ 
  # é 1500 ðg¢Ü·)
  #
  #-mru

  # vgRtB[hð³k·é©Ç¤©ÌlSVG[VðµÜ¹ñ(f
  # tHgÅÍvgRtB[hÍ³kµÜ¹ñ)
  #
  #-pc

  # Ú±èÉ PAP FØðg¤æ¤ÉwèµÜ·B
  #
  #+pap

  # PAP FØðg¤±ÆÉ¯ÓµÜ¹ñB
  #
  #-pap

  # Ú±èÉ CHAP[Cryptographic Handshake Authentication Protocol]ðg¤
  # æ¤ÉvµÜ·B
  #
  #+chap

  # CHAP ðg¤±ÆÉ¯ÓµÜ¹ñB
  #
  #-chap

  # Van Jacobson ®Ì IP wb_Ì³kÉÂ¢ÄÌlSVG[VðµÜ¹ñ
  # (ftHgÅÍ³kµÈ¢ÝèÉÈÁÄ¢Ü·)
  #
  #-vj

  # fobOxðã°Ü·(-d Æ¯¶)±ÌIvVªwè³êéÆApppd
  # ÍóMµ½SÄÌ§äppPbgÌàeðlÔÉÇßé`ÅL^µÜ·B±
  # ÌîñÍt@CÉ_CNgµ½èA/etc/syslog.conf Å¾¦IÉÇÌ
  # t@CÉé©ðwèµÜ·(Ú×Í syslog.conf(5))(pppd ªæèÚ×È
  # fobOªÅ«éæ¤ÉRpCÉÝè³êÄ¢éêAîñÍ daemon
  # ÅÍÈ local2 Ì@\ðgÁÄL^³êÜ·B
  #
  #debug

  # FØÌ½ßÌ[JÌzXg¼ð <d> Æ¢¤hC¼ÉµÜ·B
  # gethostname() ª porsche Æ¢¤zXg¼ðÔ·ªAÀÛÌhC¼Í
  # porsche.Quotron.COM ÌêAQuotron.COM ðwè·é½ßÉ±ÌIvV
  # ðwèµÜ·B
  #
  #domain <d>

  # J[lÉgÝ±Üê½ PPP hCoÌfobOxð <n> ÉµÜ·Bn
  # ÍÈºÌlð«µ í¹½ÊÉÈèÜ·F1 êÊIÈfobObZ[WA
  # 2: ó¯ÆÁ½pPbgÌgÌ¤¿vgÂ\ÈàÌðL^A4: Mµ½
  # pPbgÌ¤¿AgÌvgAEgªÂ\ÈàÌðL^B
  #
  #kdebug n

  # MTUÌlð <n> ÉµÜ·BÚ±æ©ç MRU ÌlÆµÄæè¬³Èlªwè³
  # êÈ¢ÀèA±ÌlÈºÌpPbgÍ PPP lbg[NÌC^[tFCX
  # ÖçÈ¢æ¤AJ[làÌlbg[NR[hÉwèµÜ·B
  #
  #mtu <n>

  # FØpÉ©ªÌVXeÌ¼Oð <n> ÉµÜ·B
  #
  #name <n>

  # PAP ÅFØ·éÚ±æpÉAè³Ì}VðgÁÄ¢é[U[Ì¼Oð <u>
  # ÉµÜ·B
  #
  #user <u>
  # FØpÉ[JVXeÌ¼ÌðzXg¼ÉµÜ·(name IvVð³ø
  # ÉµÜ·)
  #
  #usehostname

  # FØpÉ[gÌVXe¼ð <n> ÉµÜ·B
  #
  #remotename <n>

  # [JVXeÌ ARP[Address Resolution Protocol]e[uÉÚ±æÌ
  # IP AhXÆ±ÌVXeÌC[TlbgAhXðÇÁµÜ·B
  #
  #proxyarp

  # PAP ÌFØpÉVXeÌpX[hf[^x[Xðg¢Ü·B
  #
  #login

  #  n b²ÆÉAÚ±æÉ LCP echo-request Ìt[ðèÜ·BLinux
  # ÌêAÚ±æ©ç n bÔpPbgªÍ©È¢êÉ echo-request ðè
  # Ü·BÊíAÚ±æÍ echo-request ªÍ¯Î echo-reply ðÔµÜ·B±Ì
  # IvVÆ lcp-echo-failure IvVðgÝ í¹ÄAÚ±ªØêÄ¢
  # é±ÆðmFÅ«Ü·B
  #
  #lcp-echo-interval <n>

  # LCP echo-request ð n ÂÁÄàÔª³©Á½êAÚ±ªØêÄ¢éà
  # ÌÆ©ÈµÄ pppd ªÚ±ðI¹µÜ·B±ÌIvVðg¤êA
  # lcp-echo-interval É 0 ÈOÌlðwèµÄ¨Kvª èÜ·B±ÌIv
  # Vðg¦ÎAfÌ§äüð²×çêÈ¢êÅà¨IÈÚ±ªØê
  # éÆ(fªnOAbv·éÆ) PPP Ú±ðI¹³¹é±ÆªÅ«Ü·B
  #
  #lcp-echo-failure <n>

  # LCP ÌÄÔuð n bÉµÜ·(ftHgÍ 3 bÅ·)
  #
  #lcp-restart <n>

  # LCP terminate-request ðÅå n Âéæ¤ÉµÜ·(ftHgÅÍ 3)
  #
  #lcp-max-terminate <n>

  # LCP configure-request ðÅå n Âéæ¤ÉµÜ·(ftHgÅÍ 10)
  #
  #lcp-max-configure <n>

  # LCP configure-NAK ð n Âó¯ÆéÆ configure-Reject ðéæ¤ÉµÜ
  # ·(ftHgÅÍ 10)
  #
  #lcp-max-failure <n>

  # IPCP ÌÄÔuð n bÉµÜ·(ftHgÅÍ 3)
  #
  #ipcp-restart <n>

  # IPCP teriminate-request ðÅå n Âéæ¤ÉµÜ·(ftHgÅÍ 3)
  #
  #ipcp-max-terminate <n>

  # IPCP configure-request ðÅå n Âéæ¤ÉµÜ·(ftHgÅÍ 10)
  #
  #ipcp-max-configure <n>

  # IPCP configure-NAK ð n ÂÜÅó¯ÆéÆ configure-Rejects ðéæ¤
  # ÉµÜ·(ftHgÅÍ 10)B
  #
  #ipcp-max-failure <n>

  # PAP FØðÄJ·éÜÅÌÔð n bÉµÜ·(ftHgÅÍ 3)B
  #
  #pap-restart <n>

  # PAP autenticate-request oðÅå n ÂÉµÜ·(ftHgÅÍ 10)
  #
  #pap-max-authreq <n>

  # CHAP FØðÄJ·éÜÅÌÔð n bÉµÜ·(ftHgÅÍ 3)
  #
  #chap-restart <n>

  # CHAP FØðÅå n ñÝÜ·(ftHgÅÍ 10)B
  #
  #chap-max-challenge

  # ±ÌIvVðwèµ½êAÚ±æÆ n b²ÆÉ CHAP FØðJèÔ
  # µÜ·B
  #
  #chap-interval <n>

  # ±ÌIvVðwè·éÆA[JÌ IP AhXðIvVwèµÄ
  # ¢ÄàÚ±æªñÄµ½ IP AhXð[JÌ IP AhXÉµÜ·B
  #
  #ipcp-accept-local

  # ±ÌIvVðwè·éÆA[gÌ IP AhXðIvVwèµÄ
  # ¢ÄàÚ±æªwèµ½ IP AhXð[gÌ IP AhXÉµÜ·B
  3
  #ipcp-accept-remote
  ______________________________________________________________________

  14.2.  ÇÌIvVðwè·×«H

  ¤[ñA»êÍóµÉæèÜ·B

  ÈºÉ¦·àÌÍAêÊIÈáÌÙÆñÇðJo[Å«é 2 ÂÌî{IÈo
  [WÌIvVt@CÅ·B

  µ©µÈªçA®©È©Á½êAqi^t@C (/etc/ppp/options.tpl)
  Æ pppd Ì}jAðÇÝÜµå¤Bí¹ÄAÚ±æÌT[oðÇµÄ
  ¢éVXeÇÒâ[UT|[gWÉâ¢í¹ÄÝéÌà¢¢Åµå
  ¤B

  14.2.1.  /etc/ppp/options(PAP/CHAP ðgíÈ¢ê)

  ÈºÌÝèÍ PAP/CHAP FØðKvÆµÈ¢êpÅ·B

  ______________________________________________________________________
  # /etc/ppp/options (NO PAP/CHAP)
  #
  # pppd ªobNOhÉüçÈ¢æ¤ÉµÜ·
  -detach

  # àµ IP AhXªÅèÈçÎ 0.0.0.0 ð³µ¢ IP AhXÉ«©¦Ä
  # ¾³¢B
  0.0.0.0:

  # fÌ§äüðg¢Ü·B
  modem

  # VAfoCXð¡ÌvZXªgíÈ¢æ¤ÉbN·éÛÉ uucp
  # X^CÌbNðg¢Ü·B
  lock

  # n[hEFAt[Rg[ðg¢Ü·B
  crtscts

  # PPP Ú±ðftHgÌoHÉµÜ·B
  defaultroute

  # Rg[LN^ðêØGXP[vµÜ¹ñB
  asyncmap 0

  # o·épPbgÌå«³ðÅå 552 oCgÉµÜ·B
  mtu 552

  # ó¯ÆépPbgÌå«³ðÅå 552 oCgÉµÜ·B
  mru 552
  #
  #-------END OF SAMPLE /etc/ppp/options (no PAP/CHAP)
  ______________________________________________________________________

  14.2.2.  /etc/ppp/options (PAP/CHAPðg¤ê)

  T[oª PAP â CHAP FØðßéêAãLÌIvVt@CÉÈº
  Ìsðt¯Á¦Ä¾³¢B

  ______________________________________________________________________
  #
  # FØÌÛÉ ISP ÅÌ[U[¼ðzXg¼ÆµÄg¢Ü·B
  name <your ISP username>        # ±ÌsÍYê¸ÏX·é±Æ

  # PAP â CHAP FØð§IÉs¤Kvª éêAÈºÌKØÈsÌRg
  # ðO·±Æ

  #+chap
  #+pap
  #
  # /etc/ppp/pap-secrets t@CªÃ»³êÄ¢éêAÈºÌsÌR
  # gðO·

  #+papcrypt
  ______________________________________________________________________

  15.  /etc/resolv.conf t@CÌÝè

  lÔÍ¼Oðt¯éÌªD«Å·ªARs[^ÍÌûª¾ÓÅ·B
  TCP/IP lbg[N(·Èí¿C^[lbgÌ¢E)ÅÍA½¿Í}V
  ð»Ì¼ÌÅwèµASÄÌ}VÍÁèÌ"hC"É®µÄ¢Ü·Bá¦
  ÎAªgÁÄ¢é Linux [NXe[VÍ archenland Æ¢¤¼O
  ÅAhedland.edu.au hCÉ®µÄ¢Ü·B±Ì}VÌlÔü«ÌAh
  XÍ archenland.hedland.edu.au Å·BêûA¼ÌC^[lbgÉÚ±
  ³ê½}V©ç±Ì}Vð©Â¯é½ßÉÍ IP Ôðg¢Ü·B

  ±Ìæ¤ÉA}V(ÆhC)Ì¼Ìð IP ÔÉÏ·(ð)·é½ßÉC
  ^[lbgãÉpÓ³êÄ¢éÌª Domain Name Service(DNS)Å·B

  PPP Ú±ÌêAè³Ì Linux }VÉAÇ±ÅzXg¼Æ IP ÔÌÏ·
  (AhXÌð)ªÂ\ÉÈé©ðwèµÄA È½ª}V¼ðgÁÄàA
  Rs[^ÍKvÈ IP ÔÉÏ·Å«éæ¤ÉµÄ¨Kvª èÜ·B

  êÂÌû@ÍÚ±·éSÄÌzXg¼ð /etc/hosts t@CÉ«±Þ±Æ
  Å·(C^[lbgÉÚ±·éêA»ÀIÉÍsÂ\Å·)G¼OÅÍÈ
  A»ê¼êÌ}VÌ IP AhXð¼Úg¤ÌàêÂÌû@Å· (²¬
  ³È LAN ÈOÅÍÆÄàL¯Å«È¢Åµå¤)

  ÅPÌû@ÍAÇ±ÅzXg¼Æ IP ÔÌÏ·ª©®IÉs¦é©ð³¦é
  ±ÆÅ·BDomain Name Server ª±ÌT[rXðsÈÁÄ¢éÌÅAKvÈ
  ±ÆÍ DNS Ì IP Ôð /etc/resolv.conf t@CÉwè·é±ÆÅ·B

  PPP T[oÌVXeÇÒ/[UT|[gÍÊí 2 ÂÌ DNS Ì IP Ô
  ð³¦ÄêéÍ¸Å·(Åá 1 Â êÎ\ªÅ·ªA½©ÌguÉõ¦
  Ä½¢Ä¢ 2 Ì DNS ðÝèµÄ¢Ü·)

  »ÌêA/etc/resolv.conf ÍÈºÌæ¤ÉÈéÅµå¤B

  ______________________________________________________________________
  domain your.isp.domain.name
  nameserver 10.25.0.1
  nameserver 10.25.1.2
  ______________________________________________________________________

  /etc/resolv.conf ðC³µÄ(KvÈçÎì¬µÄ)AÚ±æÌ ISP Ìîñð
  ½f³¹Ü·B±Ìt@CÌp[~bVÍ±Ìæ¤É·×«Å·B

       -rw-r--r--   1 root     root           73 Feb 19 01:46 /etc/resolv.conf

  LAN ÉÚ±µÄ¢ÄAùÉ /etc/resolv.conf ª éêÍ PPP Ú±Ì DNS
  T[oÌAhXðt¯í¦é¾¯Å©Ü¢Ü¹ñB

  16.  PAP/CHAP ÌFØt@C

  pap â chap ðp¢½FØû@ðg¤êA»Ì½ßÌFØt@C(secrets
  file)ªKvÅ·B»êçÍA

  ______________________________________________________________________
  /etc/ppp/pap-secrets
  /etc/ppp/chap-secrets
  ______________________________________________________________________

  Å·B

  ÅÉÓµÄ¨«Ü·ªAPAP â CHAP Í{[UÅÍÈRs[^
  VXeðFØ·éæ¤ÉfUC³êÄ¢é±ÆðL¯µÄ¨¢Ä¾³
  ¢B

  Æ¢¤ÆAuÇ±ªá¤ÌHvÆ¢¤^âª·±¦»¤Å·ËB

  ÈPÉ¾ÁÄµÜ¤ÆA¢Á½ñ È½ÌRs[^ªT[oÆ PPP Ú±
  ð£éÆA È½¾¯ÅÈA È½ÌRs[^VXeÌÇñÈ[U
  Åà»ÌÚ±ðg¤±ÆªÅ«éí¯Å·B¾©ç±»APPP ðgÁÄ 2 Â
  Ì LAN(Local Area Network)ðÑÂ¯ WAN(Wide Area Network)ðd§Äé
  ±ÆªÅ«éí¯Å·B

  Ú±æÌ ISP ©çÍAISP ÉÚ±µÄC^[lbgðg¤½ßÌ[U¼
  ÆpX[hðáÁÄ¢éÍ¸Å·BISP ÉÆÁÄA È½ÌRs[^Ì
  ¼OÍÇ¤Åà¢¢ÌÅARs[^Ì¼OÆµÄ ISP Éo^µÄ¢é 
  È½Ì[U¼ðg¤±ÆÉÈèÜ·B

  ±Ì¼OÍ pppd Ì name username IvVÅwèµÜ·BÅ·©çAISP
  ©çáÁ½[U¼ðg¤êA/etc/ppp/options t@CÉÈºÌêsð
  Á¦Ü·B

  ______________________________________________________________________
  name your_username_at_your_ISP
  ______________________________________________________________________

  ZpIÉµ§É¾¤ÆAPAP ÌêÍ user our_username_at_your_ISP Iv
  Vðg¤×«Å·ªApppd ÍPAP ðg¤êA©®IÉ name ð user
  ÆðßµÜ·B name IvVðg¤_ÍA±ÌIvVÍ CHAP Éà
  LøÈ±ÆÅ·B

  PAP/CHAP ÍRs[^ðFØ·é½ßÌû®Å·©çAZpIÉÍ[
  g[ÌRs[^¼àwèµÄâéKvª èÜ·Bµ©µA½¢Ä¢Ìl
  ÍêÂÌ ISP µ©gíÈ¢½ßAÝèt@CÌ[gzXgÉÍC
  hJ[h(*)ÌwèðµÄ¨¯Î\ªÅ·B

  ½Ì ISP ÅÍAêÂÌdbÔÉ¡ÌfðÚ±µA»ê¼êÙÈé
  ¼OÌ^[~iT[oÉÚ±µÄ¢Ü·B±Ìæ¤Èêà[gÌR
  s[^Ì¼OðÚ±OÉè·é±ÆÍsÂ\ÈÌÅAÝèt@CÌ
  [gzXgÉÍChJ[hÌwèðµÄ¨×«Å·B

  16.1.  PAP ÌFØt@C

  /etc/ppp/pap-secrets t@CÍ±Ìæ¤È`®ðµÄ¢Ü·B

  ______________________________________________________________________
  # Secrets for authentication using PAP
  # client        server       secret     acceptable local IP addresses
  ______________________________________________________________________

  4 ÂÌªXy[XLN^ÅæØçêÄ¢Ü·B

  ISP ©çáÁ½[U¼ð fredApX[hð flintstone ÆµÜ·B»Ì
  êA /etc/ppp/options.ttySx t@CÉname fred IvVðÝè
  µA/etc/ppp/pap-secrets t@CÉÍ

  ______________________________________________________________________
  # Secrets for authentication using PAP
  # client        server  secret          acceptable local IP addresses
  fred            *       flintstone
  ______________________________________________________________________

  Ìæ¤ÉÝèµÜ·B

  ±ÌÝèÍA[J}VÌ¼Oð fredÉ(ÀÛÌ[JÈ}VÌ¼O
  ÆÍáÁÄà pppd ª»Ì¼Oðg¢Ü·)µÄASÄÌT[oÉÚ±·éê
  ÉflintstoneÆ¢¤pX[hðg¤±ÆÉÈèÜ·B

   ç©¶ßÃIÈ IP AhXðàçÁÄ¢éêÈOA[JÌ IP Ah
  Xðwè·éKvÍÈ¢±ÆÉäÓ¾³¢B

  PAP ðgÁÄ¡Ì}VÆÚ±·éæ¤ÈêA»ê¼êÌÚ±æ²ÆÉÙ
  Èé[U¼ðg¤©AÚ±æÌ}V¼ð²×éKvª èÜ·B»µÄ
  pap-secrets t@CÉKvÈsðt¯Á¦ÄAÚ±æÌ}V²ÆÉname
  IvVð³µÝèµÜ·B

  16.2.  CHAP ÌFØt@C

  »ÝÌo[WÌ pppd ÅÍÝFØû®ªKvÅ·B·Èí¿A È½Ì
  }VðÚ±æÉFØ·éÆ¯ÉÚ±æÌ}Vð È½Ì}VÉFØ³
  ¹éKvª èÜ·B

   È½Ì}Vª fred Å[gÌ}Vª barney ÌêA È½Ì}V
  Ì /etc/ppp/options.ttySxÉÍname fred remotename barney IvV
  ðA[g}VÌ /etc/ppp/options.ttySx t@CÉÍ name barney
  remotename fred IvVð»ê¼êwèµÄâéKvª èÜ·B

  fred Ì/etc/chap-secretst@CÍ±Ìæ¤ÉÈèÜ·B

  ______________________________________________________________________
  # Secrets for authentication using CHAP
  # client        server  secret            acceptable local IP addresses
  fred            barney  flintstone
  ______________________________________________________________________

  êûAbarney ÌÍ±¤Å·B

  ______________________________________________________________________
  # Secrets for authentication using CHAP
  # client        server  secret            acceptable local IP addresses
  barney          fred    flintstone
  ______________________________________________________________________

  17.  PPP Ú±ðè®ÅN®

  ³ÄA/etc/ppp/options Æ/etc/resolv.conf t@Cðì¬µÜµ½(Kv
  ÈçÎ /etc/ppp/pap|chap-secretst@Cà)B±êÅ PPP Ú±ª¤Ü¢
  ©Ç¤©è®ÅµÄÝÜµå¤(è®Å¤Ü¢±ÆªmFÅ«Ä©ç
  ©®IÉÚ±·éû@ðà¾µÜ·)

  è®Ú±Ì½ßÉÍAfðZbg¹¸ÉI¹Å«éÊM\tgªKvÅ
  ·BMinicom ÈçÎ ALT Q ÅÂ\Å·(Ã¢o[WÌ minicom ÈçÎ
  CTRL A Q Å·)

  [gÆµÄOCµÄ¢é±ÆðmFµÄ¾³¢B

  minicom Ìæ¤ÈÊM\tgðN®µAÊÉ PPP T[oÉÚ±µÜ·BPPP
  Ú±Ì½ßÉ½©R}hªKvÈçÎA»ÌR}hðÀsµÄ¾³¢B
  ÈOÉ`FbNµ½æ¤È

       ~y}#.!}!}!} }8}!}$}%U}"}&} } } } }%}& ...}'}"}(}"} .~~y}

  Æ¢Á½f[^ªçêÄéÍ¸Å·B

  pap/chap ðgÁÄ¢éêAT[o}VÉÚ±·é¾¯Å©®IÉ ppp ª
  N®³êAOCµÈÄàãLÌæ¤Èf[^ªçêÄ«Ü·(T[o
  ÌÝèÉæÁÄÍ»¤ÈçÈ¢êà èÜ·)

  ±±ÅfðZbg¹¸ÉÊM\tgðI¹³¹(minicom ÅÍ ALT Q ©
  CTRL A Q ðüÍµÜ·)ALinux Ì([gÌ)vvgðoµA

       pppd -d -detach /dev/cuaX &

  ÆüÍµÜ·B

  -d IvVÍfobOoÍÌwèÅA±ÌIvVðg¦Î ppp Ú±ª
  nÜéÆÆàÉuïbvàeªVXeÌOt@CÉL^³êÜ·Bg
  uÌÛÉÍ±Ìt@Cð²×Üµå¤B

  ÀÛÉüÍ·×«Í cuaX ÅÍÈAÊíA cua0 © cua1 Æ¢Á½ÀÛÉ
  fªÚ±³êÄ¢é|[gÔðwè·é±Æð¨YêÈB

  PPP Ú±ªm§·êÎfÌCgª_Å·éÍ¸Å·BPPP Ú±ðm§·
  éÉÍ½ÌÔª©©èÜ·B

  ±±Å

       ifconfig

  R}hðgÁÄ PPP C^[tFCXÌóÔð²×Ü·B

  C[Tlbgâ[vobNfoCXÈOÉA±Ìæ¤È ppp foCXÌ\
  ¦ª©çêéÍ¸Å·B

  ______________________________________________________________________
    ppp0     Link encap:Point-Point Protocol
             inet addr:10.144.153.104  P-t-P:10.144.153.51 Mask:255.255.255.0
             UP POINTOPOINT RUNNING  MTU:552  Metric:1
             RX packets:0 errors:0 dropped:0 overruns:0
             TX packets:0 errors:0 dropped:0 overruns:0
  ______________________________________________________________________

  ±±ÅA

  o  inet addr:10.144.153.104 Í È½Ì¤Ì IP ÔÅA

  o  P-t-P:10.144.153.51 ÍT[o¤Ì IP ÔÅ·

  (ifconfig Í È½Ì PPP T[oÅgÁÄ¢é IP ÔÈOÍñµÈ¢©
  àmêÜ¹ñ)

  ÓFifconfig ÍÚ±ª UP Å RUNNING óÔÉÈÁÄ¢é±Æà¦µÄ¢Ü
  ·B

  àµA±Ìæ¤É\¦³ê½êA

  ______________________________________________________________________
    ppp0     Link encap:Point-Point Protocol
             inet addr:0.0.0.0  P-t-P:0.0.0.0  Mask:0.0.0.0
             POINTOPOINT  MTU:1500  Metric:1
             RX packets:0 errors:0 dropped:0 overruns:0
             TX packets:0 errors:0 dropped:0 overruns:0
  ______________________________________________________________________

  PPP Ú±ª¤Üm§³êÄ¢Ü¹ñBãq·éfobOÉÂ¢ÄÌÍðä
  ¾³¢B

  ¯ÉA[gzXg(Æ»Ìæ)ÖÌoHªm§µÄ¢é©`FbNµÜ
  µå¤B»Ì½ßÉÍA

       route -n

  R}hðg¢Ü·B·éÆAÈºÌæ¤ÈoÍª©çêéÍ¸Å·B

  ______________________________________________________________________
  Kernel routing table
  Destination     Gateway         Genmask         Flags MSS    Window Use Iface
  10.144.153.3    *               255.255.255.255 UH    1500   0        1 ppp0
  127.0.0.0       *               255.0.0.0       U     3584   0       11 lo
  10.0.0.0        *               255.0.0.0       U     1500   0       35 eth0
  default         10.144.153.3    *               UG    1500   0        5 ppp0
  ______________________________________________________________________

  ±±Å ppp C^[tFCXÉ2 ÂÌGgªÅ«Ä¢é±ÆÉÁÉÓ
  µÄ¾³¢B

  ÅÌàÌÍzXgÖÌoH(H tOª¦µÄ¢Ü·)ÅAÚ±æÌ IP Ah
  Xð¦µÄ¢Ü·Bµ©µA»±©çæÖÌoHÍ èÜ¹ñB

  2 ÂßÌàÌªftHgÌoH(default route)ÅALinux PC Í±ÌoHÉ
  [JÌC[Tlbg¶ÄÅÍÈ¢SÄÌpPbgðèÂ¯Ü·B±Ìf
  tHgÌoHªlbg[NÖÌoHÆµÄ PPP T[o©gðwµÄ¢Ü
  ·BPPP T[oÍäXÌpPbgðC^[lbgÖè¾µAÔpPbg
  ðäXÌàÆÖÁÄ±È¯êÎÈèÜ¹ñB

  [eBOe[uÉ 2 ÂÌGgª©Â©çÈ¢êA½©ÔáÁÄ
  ¢Ü·(fobOÉÂ¢ÄÌÍð©Ä¾³¢)

  É 'ping' ðgÁÄÚ±ðeXgµÜ·B±Ì½ßÉÍAifconfig ª\¦
  µ½Ú±æÌ IP ÔðwèµÄA

  ping 10.144.153.51

  ÆµÜ·B·éÆA±Ìæ¤ÈoÍª©çêéÍ¸Å·B

       PING 10.144.153.51 (10.144.153.51): 56 data bytes
       64 bytes from 10.144.153.51: icmp_seq=0 ttl=255 time=328.3 ms
       64 bytes from 10.144.153.51: icmp_seq=1 ttl=255 time=190.5 ms
       64 bytes from 10.144.153.51: icmp_seq=2 ttl=255 time=187.5 ms
       64 bytes from 10.144.153.51: icmp_seq=3 ttl=255 time=170.7 ms

  ±Ì\¦Í¢ÂÜÅà±ÌÅAKÈÆ±ëÅ CTRL C ðµÄI¹³¹Ü
  µå¤B·éÆA

       --- 10.144.153.51 ping statistics ---
       4 packets transmitted, 4 packets received, 0% packet loss
       round-trip min/avg/max = 170.7/219.2/328.3 ms

  Æ¢Á½\¦ª³êéÍ¸Å·B

  ÉAzXg¼Å ping ÌeXgðµÄÝÜµå¤Bwè·ézXg¼Í PPP
  T[oÅÍÈAÊÌTCgÉ ézXgÅA®¢Ä¢é±ÆªmÀÈzXg
  ðIÑÜ·Bá¦ÎA

       ping sunsite.unc.edu

  ÆµÜ·B

  ¡ñÍAwèµ½zXg¼ð /etc/resolv.conf Åwèµ½ DNS ÖqËÄ IP
  ÔÖÏ·µÄ¢é½ßÉ½Ôª©©èÜ·ª²SzÈ(Åà»ÌÔà
  fÌCgÍ_ÅµÄ¢éÍ¸Å·)BµµÄ©çAÈºÌæ¤ÈoÍ
  ª\¦³êéÍ¸Å·B

        PING sunsite.unc.edu (152.2.254.81): 56 data bytes
       64 bytes from 152.2.254.81: icmp_seq=0 ttl=254 time=190.1 ms
       64 bytes from 152.2.254.81: icmp_seq=1 ttl=254 time=180.6 ms
       64 bytes from 152.2.254.81: icmp_seq=2 ttl=254 time=169.8 ms
       64 bytes from 152.2.254.81: icmp_seq=3 ttl=254 time=170.6 ms
       64 bytes from 152.2.254.81: icmp_seq=4 ttl=254 time=170.6 ms

  ±êàKÈÆ±ëÅ CTRL C ðµÄâ~³¹Avîñð©Üµå¤B

       --- sunsite.unc.edu ping statistics ---
       5 packets transmitted, 5 packets received, 0% packet loss
       round-trip min/avg/max = 169.8/176.3/190.1 ms

  ½ªAÁÄ±È¯êÎ±Ì¶ÌfobOÉÖ·éÍðÇñÅ¾³¢B

  ·×Äª¤Üs¯ÎA

       ppp-off

  R}hÅÚ±ðI¹³¹Ü·B

  µÎçÌãÉfànOAbv·éÍ¸Å·B

  ¤ÜnOAbvµÈ¢êAfÌd¹ðØé©ÊM\tgð§¿ °
  Ä +++ ðüÍµÄfÌR}h[hÉüèAATH0 R}hÅÚ±ðØ
  èAf©ç OK vvgªAé±ÆðmFµÄ¾³¢B

  pppd ªìÁ½bNt@CàÁµÄ¨«Üµå¤B

  ______________________________________________________________________
  rm -f /var/lock/LCK..cuaX
  ______________________________________________________________________

  18.  Ú±ð©®»·éÉÍ - Ú±pXNvgÌìèû

  chat ðgÁ½Ú±pÌXNvgðìêÎAchat ªOCµÄ PPP ðN
  ®·éÜÅ©®IÉs¤ÌÅAKvÈìÆÍ([gA é¢Í ppp O[v
  Ìo[ÉÈÁÄ)Ú±Ì½ßÌR}hðêÂüÍ·é¾¯ÉÈèÜ·B

  18.1.  [U¼ÆpX[hðÂ©Á½FØÌê

  Ú±æÌ ISP ª PAP/CHAP FØðKvÆµÈ¢AÈºÌXNvgªg¦
  éÅµå¤B

  ppp pbP[Wª³µCXg[³êÄ¢êÎ 2 ÂÌt@Cª ç©
  ¶ßTvÆµÄpÓ³êÄ¢éÍ¸Å·BPPP 2.1.2 ÌêA»Ìt@C
  Í /usr/sbinÉAPPP 2.2 ÌêÍ /etc/ppp/sciripts fBNgÉ
  üÁÄ¢Ü·B»êçÌt@CÍ

  PPP-2.1.2 ÌêA

       ppp-on
       ppp-off

  PPP-2.2 Ìê

       ppp-off
       ppp-on
       ppp-on-dialer

  ÆÈÁÄ¢Ü·B

  ³ÄAPPP 2.1.2 ðgÁÄ¢éêAãLÌTvt@CÍíµÄµÜ
  ¤±Æð¨©ßµÜ·B±êçÌTvt@CÉÍöÝIÈâèª 
  èÜµ½ - uÅà¿áñÆ®ævAÆ¾íÈ¢Å - àA»êçÌt@C
  ð·¢ÔgÁÄ¢Üµ½©ç(±Ì HOWTO ÌÅÌo[WÅÍE·ç
  µÄ¢½ÌÅ·)

  PPP 2.1.2 Ì[UÌ½ßÉAÈºÉ PPP 2.2 ÌpbP[W©çÁÄ«½
  æèæ¢Tvt@CðÐîµÜ·BÈºÌTvt@CðRs[µ
  ÄAPPP-2.1.2 Ét®ÌXNvgÌãèÉg¤æ¤É¨©ßµÜ·B

  18.2.  ppp-on XNvg

  ±êÍ PPP Ú±ðJn·é½ßÌ 2 {ÌXNvgÌ¤¿O¼ÌàÌÅ·B

  ______________________________________________________________________
  #!/bin/sh
  #
  # PPP Ú±ðJn·é½ßÌXNvgB2 ÂÌXNvgÌ¤¿Ì 1 ÂßB
  # ±ÌR[hÍ 'ps' R}hÅ\¦³êÄµÜ¤ÌÅ ÜèÀSÅÍÈ¢ªA
  # ÈPB

  #
  # ±êçÌp[^ÍÀÛÌlÉÏX·é±Æ
  TELEPHONE=555-1212      # Ú±Ì½ßÌdbÔ
  ACCOUNT=george          # OCEAJEg('George Burns'Ìá)
  PASSWORD=gracie         # ãLAJEgÌpX[h('Gracie Allen')
  LOCAL_IP=0.0.0.0        # [JÌ IP ÔB®Iè ÄÌêÍ 0.0.0.0
  REMOTE_IP=0.0.0.0       # Ú±æÌ IP ÔBÊ 0.0.0.0B
  NETMASK=255.255.255.0   # KvÈçÎlbg}XNÌwè
  #
  # ppp-on-dialer ©çg¦éæ¤ÉÏð export
  export TELEPHONE ACCOUNT PASSWORD
  #
  # dbð©¯ÄOCð·éXNvgÌÊuB$PATH ÏÍ connect
  # IvVÅÍgíêÈ¢ÌÅâÎpXðwè·é±Æ([g ÀÅ»¤·
  # éÆZLeBz[ÉÈéÌÅA±ÌÉÂ¢ÄÍ¿âµÈ¢±Æ)
  #
  DIALER_SCRIPT=/etc/ppp/ppp-on-dialer
  #
  # Ú±ÌJn
  #
  exec /usr/sbin/pppd debug /dev/ttySx 38400 \
          $LOCAL_IP:$REMOTE_IP \
          connect $DIALER_SCRIPT
  ______________________________________________________________________

  ppp-on-dialer XNvgÍ±Ìæ¤ÉÈèÜ·B

  ______________________________________________________________________
  #!/bin/sh
  #
  # ppp-on XNvgÌã¼BÀÛÌÚ±vgRðéª
  #
  chat -v                                                 \
          TIMEOUT         3                               \
          ABORT           '\nBUSY\r'                      \
          ABORT           '\nNO ANSWER\r'                 \
          ABORT           '\nRINGING\r\n\r\nRINGING\r'    \
          ''              \rAT                            \
          'OK-+++\c-OK'   ATH0                            \
          TIMEOUT         30                              \
          OK              ATDT$TELEPHONE                  \
          CONNECT         ''                              \
          ogin:--ogin:    $ACCOUNT                        \
          assword:        $PASSWORD
  ______________________________________________________________________

  18.3.  PPP N®XNvgÌC³

  Vµ¢XNvgÍ 2 ÂÉª©êÄ¢éÌÅAÉC³µÄÝÜµå¤B

  18.3.1.  ppp-on XNvg

  XNvgðC³µÄAISP ©çáÁ½[U¼ÆpX[hðo^µÜ·B
  ISP ÌdbÔàYê¸ÉÏXµÄ¾³¢B

  TELEPHONE= ÈºÌesÍÀÛÉÍVFÏð '=' ÌE¤ÌlÉÝèµÄ¢
  éÌÅ(à¿ëñRgÍÜÝÜ¹ñª)AesðC³µÄAÀÛÌ ISP Ì
  àÌðÝèµÄ¾³¢B

  Ü½AIP ÔÌÝèªKvÈêA/etc/ppp/options t@CÉÝèµÄ

  ______________________________________________________________________
   $LOCAL_IP:$REMOTE_IP \
  ______________________________________________________________________

  ¯É DIALER_SCRIPT VFÏªÀÛÉ_CA·é½ßÌXNvgÌ
  âÎpXðwèµÄ¢é±ÆðmFµÄ¾³¢Bàµ_CAÌ½ßÌXN
  vgðÚ®³¹½è¼OðÏ¦½êÍppp-on XNvgðC³·é±Æ
  à¨YêÈB

  ppp-on XNvgð³µÝèµAÚ±æÌ PPP T[oª[U¼/pX
  [h`®ÌFØðµÄ¢éêAppp-on-dialer XNvgðÏX·éKvÍ
   èÜ¹ñB

  N®É /etc/rc.serial ÅVAv[gÌÝèÍI¦Ä¢é©àmêÜ¹
  ñªAppp-on XNvgÌÅ¾¦IÉVA|[gðÝè·éÌà¢¢
  ACfAÅ·B»¤µÄ¨¯ÎAfð(VA|[gÌÝèðZbg
  ·é©àmêÈ¢)¼ÌvOÅÀSµÄg¤±ÆàÅ«Ü·B

  »Ì½ßÉÍÀÛÉ pppd ðJn·ésÌ¼OÉÈºÌêsðÁ¦Ü·B

  ______________________________________________________________________
  /bin/setserial /dev/cuaX spd_vhi
  ______________________________________________________________________

  spd_vhi IvVðÝèµÄ¨¯ÎA38,400 {[Åg¨¤Æµ½ÉAÀ
  ÛÉÍ 115,200 {[ÅÚ±·é±ÆÉÈèÜ·B28.8k(ÈãÌ)¬fÌ
  êA±Ìæ¤ÉÝèµÄ¨Ìª¢¢Åµå¤Bµ©µÈªçA½Ì
  14,400 {[ÌfÍRs[^Æf[^ðâèÆè·éVAñüð
  ±Ìæ¤ÈXs[hÅÍÅ«È¢æ¤Å·B

  fÌ}jAð`FbNµÄAfÌVAñüÌÅ¬ª
  38,400 ÌêAÈºÌæ¤ÉÝèµÜ·B

  ______________________________________________________________________
  /bin/setserial /dev/cuaX spd_normal
  ______________________________________________________________________

  18.3.2.  T[o¤ÅÌ PPP ÌJn

  ppp-on-dialer XNvgÍAOC·êÎ pppd ð©®IÉN®·éT[
  oÅLøÅ·ªAOCµÄ©ç¾¦IÉ PPP ðN®µÈ¯êÎÈçÈ¢
  T[oà èÜ·B

  T[oÌ PPP ðN®·éÌÉ½ç©ÌR}hªKvÈêAppp-on-dialer
  XNvgðC³·éKvª èÜ·B

  XNvgÌÅã(pX[hÌsæèã)ÉAT[oÌ PPP ðN®·é½ß
  É KvÈ¶ñ  PPPN®R}h ÌÎðÇÁµÄ¾³¢BPPP N®R}
  hðÀs·éÛÌ¶ñÍOCvvgÉµÜ·(Bourne VFÅÁ
  ÊÈÓ¡ðÂ¶ - á¦Î $â [ ] ÉÓµÄ¾³¢)

  ±¤µÄ¨¯ÎAchat ªVFÌvvgðó¯ÆêÎAISP Ì PPP ðN
  ®·é½ßÌR}hðÀsµÜ·B

  ÌêAPPP T[oÍWIÈ Bash Ìvvg

  ______________________________________________________________________
  [hartr@kepler hartr]$
  ______________________________________________________________________

  ðÁÄéÌÅA±Ì¶ñðó¯êÎ

  ______________________________________________________________________
  ppp
  ______________________________________________________________________

  ÆüÍµÄAT[oÌ PPP ðN®µÜ·B

  X¶ªoPÄà³µF¯Å«éæ¤ÉµÄ¨¢½ûª¢¢ÌÅAÌê
  AÈºÌæ¤È<¶ñ  MR}h>ÌgÝí¹ðIÑÜµ½B

  ______________________________________________________________________
          hartr--hartr    ppp
  ______________________________________________________________________

  ±ÌáÅÍêèÌÔàÉvvgðó¯ÆêÈ©Á½êALbW
  ^[ðÁÄAÄxvvgðÒ¿Ü·B

  vvgðó¯ÆêÎA'ppp' Æ¢¤¶ñðèÜ·B

  ÓFt¯Á¦½sÌOÌsÌsÉ \ ðt¯Ä chat XNvgSÌªê
  sÆÝÈ³êéæ¤ÉµÄ¨±ÆðYêÈ¢æ¤ÉB

  sKÈ±ÆÉAÚ±Ì½Ñ²ÆÉÙÈévvgðÔµÄéT[oà¢
  Â© èÜ·B»Ìæ¤ÈêAminicom ÈÇðgÁÄ½x©T[oÉOC
  µÄAÇÌæ¤È¶ñªvvgÉgíêA»Ì¤¿ÌÇÌªªêè
  Å PPP ðN®·é½ßÌ¶ñÉpÅ«é©ð²×Ä¨Kvª èÜ
  ·B

  18.3.3.  ppp-on-dialer XNvg

  ±êÍ ppp Ú±ðJn·é½ßÌXNvgÌã¼Å·B

  ÓFchat XNvgÍÊíêsÅ·BsÉÂ¢Ä¢éobNXbV
  (\)Í(lÔÉ©â·¢æ¤É)¡sÉª©êÄ¢ésðêsÉ©¹é½ßÉ
  gíêÄ¨èAXNvgÌêÅÍ èÜ¹ñB

  ±ÌR}hðÚ×É¢·êÎÀÛÉ½ªsíêÄ¢é©(síêéÍ¸©)
  ððÅ«éÍ¸Å·B

  18.4.  chat XNvgÌÓ¡·éàÌ

  chat ÌXNvgÍ "ó¯ÆÁ½¶ñ  M·é¶ñ"ÌgÝí¹ðA
  Ë½àÌÅ·B·Èí¿A½©¶ñðM·éOÉÍ½©Ì¶ñðó¯Æ
  çÈ¯êÎÈèÜ¹ñB

  ¶ñðó¯ÆçÈÄàA±¿ç©ç½©ðM·é½ßÉÍAóÌ¶ñ
  ("")ðó¯Æé¶ñÉwè·éKvª èÜ·B¯lÉA½©¶ñðó¯
  ÆÁÄà±¿ç©çMµÈ¢êÍM·é¶ñÉóÌ¶ñðwèµÜ
  ·BÜ½A¶ñª¡ÌêÌê(á¦Î NO CARRIER)A¶ñðNI[g
  µÄêÂÌ¶ñÆ©È³êéæ¤ÉµÈ¯êÎÈèÜ¹ñB

  ¡ñÌáÅÌ chat XNvgÍ :-

  o  exec chat -v
     chat ðN®µÜ·B-v IvVðwè·éÆAchat Ìs¤SÄÌüo
     ÍðVXeÌOt@C(Êí /var/log/messages)É«±ÝÜ·B
     chat XNvgª«¿ñÆ®æ¤ÉÈçÎ -v IvVðOµÄsv
     ÈOðæçÈ¢æ¤ÉµÜµå¤B

  o  TIMEOUT         3
     ¶ñðó¯ÆéÜÅÌ^CAEgÌÔð 3 bÉµÜ·Bx¢f
     ðgÁÄ¢éêA±ÌÔð 5 bâ 10 bÉÌÎµÄâéKvª é©
     àmêÜ¹ñB

  o  ABORT           '\nBUSY\r'
     BUSY Æ¢¤¶ñªêÎð~µÜ·B

  o  ABORT           '\nNO ANSWER\r'
     NO ANSWER Æ¢¤¶ñªêÎð~µÜ·B

  o  ABORT           '\nRINGING\r\n\r\nRINGING\r'
     RINGING Æ¢¤¶ñð(JèÔµ)ó¯ÆêÎð~µÜ·B
     ±êÍN©ªfÉdbð©¯Ä«Ä¢Ü·I

  o  ""              \rAT
     f©ç¶ñªÈÄà AT ¶ñðèÜ·B

  o  "OK-+++\c-OK";   ATH0
     ±êÍ chat ÌG[@\ðgÁÄ¢éÌÅµ¡GÅ·B±ÌR}
     hÌÓ¡ÍAA
     OK ðÒÁÄ¢ÄAàµ OK ªÈ¯êÎ(»ÌêÍ«ÁÆfªR}
     h[hÉÈÁÄ¢È¢ÌÅµå¤) +++ ðè(WIÈ Hayes Ý·
     ÌfÅR}h[hÉ·é½ßÌ½ß)AÄx OK ðÒ¿AOK ª
     êÎ ATH0(fnOAbvR}h)ðèÜ·B
     ±¤µÄ¨¯ÎAfªICÉÈÁÄ¢éóµÅà¤Ü¢Í
     ¸Å·B

  o  TIMEOUT         30
     ±êÈãÌXNvgÅ^CAEgÌÔð 30 bÉµÜ·Bchat XN
     vgª^CAEgÅI¹µÄµÜ¤êA±ÌÔð 45 bÆ©³ç
     É·µÄÝÄ¾³¢B

  o  OK              ATDT$TELEPHONE
     OK ðÒ¿(ATH0 R}hðó¯½fÍ OK ðÔµÜ·)Adbð©¯
     ½¢Ôð_CAµÜ·B

  o  CONNECT         ''
     CONNECT ðÒ¿(è³ÌfªÚ±æÌfÉÂÈªêÎ CONNECT ð
     ÔµÜ·)Ü·ªAÔÍ½àèÜ¹ñB

  o  ogin:--ogin:    $ACCOUNT
     ±±Åà½ÌG[ÌdgðüêÄ¢Ü·BOCEvvg
     ðÒ¿Ü·ª(..ogin:)Aàµ^CAEgÔàÉó¯ÆêÈ©Á½ê
     A^[ðÁÄÄxOCEvvgðÒ¿Ü·Bvvg
     ðó¯ÆêÎA[U¼ðèÜ·([U¼Í$ACCOUNTÆ¢¤VFÏ
     ÉüÁÄ¢Ü·)

  o  assword:        $PASSWORD
     pX[hvvgðÒ¿ApX[hðèÜ·(pX[hàVF
     ÏÉüÁÄ¢Ü·)

  ±Ì chat XNvgÉÍ»êÈèÌG[@\ªgÝ±ÜêÄ¢Ü·
  ªA chat ÉÍ±±Åà¾µ½ÈãÉà¢ë¢ëÈ@\ª èÜ·ÌÅAÚ×
  ÉÂ¢ÄÍ}jAðä¾³¢(man 8 chat)B

  18.5.  PAP/CHAP FØðg¤êÌXNvg

  Ú±æÌ ISP ª PAP/CHAP FØðg¤êAchat XNvgÍ¸ÁÆÈPÉ
  ÈèÜ·B»ÌêAchat Ídbð©¯ÄÂÈªéÜÅÒÂ¾¯ÅA»Ìã
  Ì login Í pppd ÉÜ©¹Ü·B

  ______________________________________________________________________
  #!/bin/sh
  #
  # ppp-on XNvgÌã¼B

  exec chat -v                                            \
          TIMEOUT         3                               \
          ABORT           '\nBUSY\r'                      \
          ABORT           '\nNO ANSWER\r'                 \
          ABORT           '\nRINGING\r\n\r\nRINGING\r'    \
          ''              \rAT                            \
          'OK-+++\c-OK'   ATH0                            \
          TIMEOUT         30                              \
          OK              ATDT$TELEPHONE                  \
          CONNECT         ''
  ______________________________________________________________________

  18.6.  pppd ÌfobOÆ -f Åwè·éIvVt@C

  ·ÅÉ©½æ¤ÉApppd É -d IvVðt¯êÎfobOîñªoÍ³
  êéæ¤ÉÈèÜ·B'debug' Æ¢¤IvVÍ -d Æ¯¶Å·B

  Vµ¢XNvgÅÚ±ÌeXgð·éÌÅ·©çA¡ÌÆ±ë debug Iv
  VÍt¯½ÜÜÉµÄ¨«Üµå¤B(ÓFpppd ªâèÆè·é login
  îñÍ ÁÆ¢¤ÜÉ syslog t@CðåÉ·éÌÅAfBXNÌó«Ì
  æªµµ¢êÍguðN±·©àmêÜ¹ñBàÁÆàA»¤Èé½ß
  ÉÍÚ±É¸sµÄµÎçÌÔ ê±ê pppd ð±Ëèñ·Kvª éÅ
  µå¤ªB)

  ·×Äª«¿ñÆ®¢Ä¢é±ÆªmFÅ«½çfobOIvVðæèÌ
  ¼«Üµå¤B

  ppp ÌIvVt@Cð /etc/ppp/options â /etc/ppp/options.ttySx
  ÈOÉu¢Ä¢éêApppd Ì -f IvVÅt@C¼ðwèµÜ·B

  ______________________________________________________________________
  exec /usr/sbin/pppd debug -f options.myserver /dev/ttySx 38400 \
  ______________________________________________________________________

  19.  Ú±XNvgÌeXg

  X EBhEðgÁÄ¢éêÍVµ¢ Xterm ðJA é¢ÍVµ¢¼z
  R\[ðJ¢Ä[gÆµÄOCµÜ·B

  ±ÌZbVÅÍ /var/log/messages (©AVXeÌOt@C)ð

       tail -f /var/log/messages

  ÆµÄbZ[Wð\¦³¹Ä¨«Ü·B

  ÅÌEBhE( é¢Í¼zR\[)ÅÌR}hðÀsµÜ·B

       ppp-on &

  (/usr/sbin/ppp-on Ì¼OðÏ¦Ä¢êÎ»Ì¼OÅÀsµÄ¾³¢) R}
  hÌÅãÉ & ðt¯ÄobNOEhÉµÈ©Á½êA(Ú±ªØê
  Ä)ppp ªI¹·éÜÅ^[~iÉvvgª\¦³êÈÈéÌÅä
  ÓB

  ±êÅà¤êÂÌEBhEÉÚÁÄVXeOÌóÔð²×Ü·B

  (chat É -v IvVðt¯Ä pppd É -d IvVðt¯Ä¨¯Î)È
  ºÌæ¤ÈbZ[Wª\¦³êéÍ¸Å·BO¼Í chat XNvgÌ
  bZ[WÅAã¼ª pppd ÌN®bZ[WÉÈÁÄ¢Ü·B

  ______________________________________________________________________
  Oct 21 16:09:58 hwin chat[19868]: abort on (NO CARRIER)
  Oct 21 16:09:59 hwin chat[19868]: abort on (BUSY)
  Oct 21 16:09:59 hwin chat[19868]: send (ATZ^M)
  Oct 21 16:09:59 hwin chat[19868]: expect (OK)
  Oct 21 16:10:00 hwin chat[19868]: ATZ^M^M
  Oct 21 16:10:00 hwin chat[19868]: OK -- got it
  Oct 21 16:10:00 hwin chat[19868]: send (ATDT722298^M)
  Oct 21 16:10:00 hwin chat[19868]: expect (CONNECT)
  Oct 21 16:10:00 hwin chat[19868]: ^M
  Oct 21 16:10:22 hwin chat[19868]: ATDT722298^M^M
  Oct 21 16:10:22 hwin chat[19868]: CONNECT -- got it
  Oct 21 16:10:22 hwin chat[19868]: send (^M)
  Oct 21 16:10:22 hwin chat[19868]: expect (ogin:)
  Oct 21 16:10:22 hwin chat[19868]:  57600^M
  Oct 21 16:10:23 hwin chat[19868]: ^[[;H^[[2J^M^M
  Oct 21 16:10:23 hwin chat[19868]: ^M
  Oct 21 16:10:23 hwin chat[19868]: ^M
  Oct 21 16:10:23 hwin chat[19868]: ^I^I      This is node  kepler.hedland.edu.au^M
  Oct 21 16:10:23 hwin chat[19868]: ^I^I^I      at Hedland Campus^M
  Oct 21 16:10:23 hwin chat[19868]: ^I^I^I       Hedland College^M
  Oct 21 16:10:23 hwin chat[19868]: ^M
  Oct 21 16:10:23 hwin chat[19868]: ^I^I  Authorised user ONLY are to use this system^M
  Oct 21 16:10:23 hwin chat[19868]: ^M
  Oct 21 16:10:23 hwin chat[19868]: ^M
  Oct 21 16:10:23 hwin chat[19868]: ^I^I For more information, contact ComputerSystems^M
  Oct 21 16:10:23 hwin chat[19868]: ^I^I^I     on +61 (0)91 72 0400^M
  Oct 21 16:10:23 hwin chat[19868]: ^I^I^I^I     or^M
  Oct 21 16:10:23 hwin chat[19868]: ^I^I       email:  help@hedunx.hedland.edu.au^M
  Oct 21 16:10:23 hwin chat[19868]: ^M
  Oct 21 16:10:23 hwin last message repeated 3 times
  Oct 21 16:10:23 hwin chat[19868]: kepler login: -- got it
  Oct 21 16:10:23 hwin chat[19868]: send (hartr^M)
  Oct 21 16:10:23 hwin chat[19868]: expect (ssword:)
  Oct 21 16:10:23 hwin chat[19868]:  hartr^M
  Oct 21 16:10:23 hwin chat[19868]: Password: -- got it
  Oct 21 16:10:23 hwin chat[19868]: send (??????^M)
  Oct 21 16:10:23 hwin chat[19868]: expect (hartr)
  Oct 21 16:10:23 hwin chat[19868]:  ^M^M
  Oct 21 16:10:24 hwin chat[19868]: Last login: Sat Oct 21 14:55:53 on  ttyC0^M
  Oct 21 16:10:24 hwin chat[19868]: ^M
  Oct 21 16:10:24 hwin last message repeated 9 times
  Oct 21 16:10:24 hwin chat[19868]: ^I^IYou have logged into node  kepler.hedland.edu.au^M
  Oct 21 16:10:24 hwin chat[19868]: ^M
  Oct 21 16:10:24 hwin chat[19868]:            This is a Compaq Prolinea 486DX2/50 running Linux 1.1.54^M
  Oct 21 16:10:24 hwin chat[19868]: ^M
  Oct 21 16:10:24 hwin chat[19868]:        This computer operates as the main Hedland Campus communications^M
  Oct 21 16:10:24 hwin chat[19868]: ^I       node, providing dial-in terminal and SLIP access,^M
  Oct 21 16:10:24 hwin chat[19868]: ^I^I      Kepler also runs the Hedland end of^M
  Oct 21 16:10:24 hwin chat[19868]: ^I^I    the Hedland/Newman inter-Campus WAN link^M
  Oct 21 16:10:24 hwin chat[19868]: ^M
  Oct 21 16:10:24 hwin chat[19868]: ^M
  Oct 21 16:10:24 hwin chat[19868]: [hartr -- got it
  Oct 21 16:10:24 hwin chat[19868]: send (ppp^M)
  Oct 21 16:10:27 hwin pppd[19872]: pppd 2.1.2 started by root, uid 0
  Oct 21 16:10:27 hwin pppd[19873]: Using interface ppp0
  Oct 21 16:10:27 hwin pppd[19873]: Connect: ppp0 <--> /dev/cua1
  Oct 21 16:10:27 hwin pppd[19873]: fsm_sdata(LCP): Sent code 1, id 1.
  Oct 21 16:10:27 hwin pppd[19873]: LCP: sending Configure-Request, id 1
  Oct 21 16:10:27 hwin pppd[19873]: fsm_rconfreq(LCP): Rcvd id 1.
  Oct 21 16:10:27 hwin pppd[19873]: lcp_reqci: rcvd MRU
  Oct 21 16:10:27 hwin pppd[19873]: (1500)
  Oct 21 16:10:27 hwin pppd[19873]:  (ACK)
  Oct 21 16:10:27 hwin pppd[19873]: lcp_reqci: rcvd ASYNCMAP
  Oct 21 16:10:27 hwin pppd[19873]: (0)
  Oct 21 16:10:27 hwin pppd[19873]:  (ACK)
  Oct 21 16:10:27 hwin pppd[19873]: lcp_reqci: rcvd MAGICNUMBER
  Oct 21 16:10:27 hwin pppd[19873]: (a098b898)
  Oct 21 16:10:27 hwin pppd[19873]:  (ACK)
  Oct 21 16:10:27 hwin pppd[19873]: lcp_reqci: rcvd PCOMPRESSION
  Oct 21 16:10:27 hwin pppd[19873]:  (ACK)
  Oct 21 16:10:27 hwin pppd[19873]: lcp_reqci: rcvd ACCOMPRESSION
  Oct 21 16:10:27 hwin pppd[19873]:  (ACK)
  Oct 21 16:10:27 hwin pppd[19873]: lcp_reqci: returning CONFACK.
  Oct 21 16:10:27 hwin pppd[19873]: fsm_sdata(LCP): Sent code 2, id 1.
  Oct 21 16:10:27 hwin pppd[19873]: fsm_rconfack(LCP): Rcvd id 1.
  Oct 21 16:10:27 hwin pppd[19873]: fsm_sdata(IPCP): Sent code 1, id 1.
  Oct 21 16:10:27 hwin pppd[19873]: IPCP: sending Configure-Request, id 1
  Oct 21 16:10:27 hwin pppd[19873]: fsm_rconfreq(IPCP): Rcvd id 1.
  Oct 21 16:10:27 hwin pppd[19873]: ipcp: received ADDR
  Oct 21 16:10:27 hwin pppd[19873]: (10.144.153.51)
  Oct 21 16:10:27 hwin pppd[19873]:  (ACK)
  Oct 21 16:10:27 hwin pppd[19873]: ipcp: received COMPRESSTYPE
  Oct 21 16:10:27 hwin pppd[19873]: (45)
  Oct 21 16:10:27 hwin pppd[19873]:  (ACK)
  Oct 21 16:10:27 hwin pppd[19873]: ipcp: returning Configure-ACK
  Oct 21 16:10:28 hwin pppd[19873]: fsm_sdata(IPCP): Sent code 2, id 1.
  Oct 21 16:10:30 hwin pppd[19873]: fsm_sdata(IPCP): Sent code 1, id 1.
  Oct 21 16:10:30 hwin pppd[19873]: IPCP: sending Configure-Request, id 1
  Oct 21 16:10:30 hwin pppd[19873]: fsm_rconfreq(IPCP): Rcvd id 255.
  Oct 21 16:10:31 hwin pppd[19873]: ipcp: received ADDR
  Oct 21 16:10:31 hwin pppd[19873]: (10.144.153.51)
  Oct 21 16:10:31 hwin pppd[19873]:  (ACK)
  Oct 21 16:10:31 hwin pppd[19873]: ipcp: received COMPRESSTYPE
  Oct 21 16:10:31 hwin pppd[19873]: (45)
  Oct 21 16:10:31 hwin pppd[19873]:  (ACK)
  Oct 21 16:10:31 hwin pppd[19873]: ipcp: returning Configure-ACK
  Oct 21 16:10:31 hwin pppd[19873]: fsm_sdata(IPCP): Sent code 2, id 255.
  Oct 21 16:10:31 hwin pppd[19873]: fsm_rconfack(IPCP): Rcvd id 1.
  Oct 21 16:10:31 hwin pppd[19873]: ipcp: up
  Oct 21 16:10:31 hwin pppd[19873]: local  IP address 10.144.153.104
  Oct 21 16:10:31 hwin pppd[19873]: remote IP address 10.144.153.51
  ______________________________________________________________________

  (Ó - ±ÌáÅÍÃIÈ IP ÔðgÁÄ¨èAÌ}V©ç»ÌÔð
  PPP T[oÉÁÄ¢Ü·B®IÈ IP ÔÌèÄðgÁÄ¢êÎA»Ì
  æ¤ÈâèÆèÍN«Ü¹ñ)

  ¤ÜsÁ½æ¤É©¦Ü·ÌÅAÈOÌæ¤É IP ÔÆzXg¼ðgÁÄ
  ping µÄÝÄAÚ±ª«¿ñÆ¢Ä¢é©mFµÜ·B

  ±êÅÂÈªèÜµ½Bweb ÌuEUÅà½ÅàgÁÄlbgT[tµÄÝ
  Üµå¤B

  20.  PPP Ú±ÌI¹

  PPP Ú±ðI¹³¹éêAppp-off R}hðg¢Ü·(±ÌR}hðÀ
  s·é½ßÉÍ[g À© PPP O[vÉ®µÄ¢È¯êÎÈçÈ¢±Æ
  ð¨YêÈ)

  PPP ÌI¹ÉÍ±Ìæ¤ÈOªoÍ³êé±ÆÅµå¤B

  ______________________________________________________________________
  Oct 21 16:10:45 hwin pppd[19873]: Interrupt received: terminating link
  Oct 21 16:10:45 hwin pppd[19873]: ipcp: down
  Oct 21 16:10:45 hwin pppd[19873]: default route ioctl(SIOCDELRT): Bad address
  Oct 21 16:10:45 hwin pppd[19873]: fsm_sdata(LCP): Sent code 5, id 2.
  Oct 21 16:10:46 hwin pppd[19873]: fsm_rtermack(LCP).
  Oct 21 16:10:46 hwin pppd[19873]: Connection terminated.
  Oct 21 16:10:46 hwin pppd[19873]: Exit.
  ______________________________________________________________________

  SIOCDELRT Æ¢¤bZ[WªoÄ¢Ü·ªA±êÍPÉ pppd ªI¹µÄ¢
  éÆ¢¤±Æð¦µÄ¢é¾¯ÈÌÅ CÉ·éKvÍ èÜ¹ñB

  21.  fobO

  Ú±ª¤Ü¢©È¢±ÆÉÍ³ÌRª èÜ· - á¦Î chat ª³µ
  I¹µÈ©Á½èAdbñüÉmCYª½©Á½èBâèªN«½çAÜ¸
  syslog t@Cð²×ÄÝÜµå¤B

  àÁÆàæ éÔá¢ÍXNvgÌÉ½©Å¿Ôá¢ª é±ÆÅ·B
  XNvgð ç½ßÄ¶ÁèÆ©¼µÄÝÜµå¤ - äXlÔÍÀÛÉ
  Å¿±Üê½¶ÅÍÈAÅÁ½ÂàèÌ¶ðÇñÅµÜ¢ª¿È±Æð
  Yê¸ÉB

  à¤êÂAæ éÔá¢ÍJ[l 1.2.X Æ PPP-2.2 ðgÁÄ¢½èAJ
  [l 1.3.X/2.0.X Æ PPP-2.1.2 ðgÁÄ¢éáÅ·BJ[lÌo[W
  É Á½ pppd ðgÁÄ¾³¢B

  »êÅà_ÈêAPPP FAQ ÉÚðÊµÜµå¤(PPP FAQ Í PPP ÉÖ·é
  ¿âÆðWß½àÌÅ·)A±Ì FAQ Í³Ü´ÜÈÌæðJo[µÄ¨èA
  ½¢Ä¢ÌâèÉÎ·éðªpÓ³êÄ¢Ü·B©gÌ(ßµ¢)o±©ç
  ¾¤ÆAàµ±Ì FAQ Éª³¯êÎAâèÍ ppp ÉÖ·éàÌÅÍ èÜ
  ¹ñBÌêÍ ELF ÅÌJ[lðg¢ÈªçJ[lW[ðKØ
  ÈàÌÉo[WAbvµÄ¢È¢AÆ¢¤àÌÅµ½BÍA®àøÈ PPP
  T[oÆÍ½©Æ{«Èªç 2 ú(ÆÙÚêÓ)ðßµÄµÜ¢Üµ½B

  21.1.  PPP ðRpCµ½ÌÅ·ªALinux ªF¯µÄêÜ¹ñB

  J[l 1.3.X/2.0.X ðgÁÄAJ[lÉW[T|[g@\ðgÝ
  ±ñÅAPPP @\ðW[ÆµÄRpCµ(µÄW[ðgÝ±
  Ý)Üµ½æËH

  kerneld ðgÁÄKvÈW[ð©®[h³¹Ä¢È¢êAPPP ðg
  ¤OÉ¾¦IÉ ppp W[ð[h·éKvª èÜ·(½ªVAh
  CoW[à[h·éKvª éÅµå¤)B

  ±êðè®Åâé½ßÉÍA[gÉÈÁÄ

  ______________________________________________________________________
          insmod ppp
  ______________________________________________________________________

  µÜ·B

  VAhCoW[ð[h·éêÍA

  ______________________________________________________________________
          insmod slhc
  ______________________________________________________________________

  µÜ·B

  µ©µÈªçAJ[lW[Í©®[h·éæ¤Éµ½ûªÖÅ
  ·B kerneld mini-howto ðÇñÅA©®[h·éæ¤ÉÝèµÜµå¤B

  à¤êÂÌÂ\«ÍALinux 2.0.x Å ppp-2.1.2 ðgÁÄ¢éêÅ·( é
  ¢Í 1.2.x ÌJ[lÉKvÈpb`ð Ä¸É ppp-2.2 ðgÁÄ¢éê
  )B

  J[lÆ ppp Ìo[Wðà¤êx`FbNµÄ¾³¢BJèÔµÜ
  ·ªA

  J[lÌ 2.0.x Í ppp-2.2 ðKvÆµÜ·B

  J[l 1.2.x Í ppp-2.1.2 ðg¢Ü·ªAppp-2.2 ðg¤½ßÌpb`ª
   èÜ·B

  21.2.  ftHg[g(default route)ðÝèÅ«Ü¹ñB

  LAN pÌC[Tlbg(©»Ì¼lbg[NÚ±)ðgÁÄ¢ÄA·ÅÉf
  tHg[gðÝèµÄ¢Ü¹ñ©B

  û@ð(ÈPÉ)ðàµÄ¢Ü·B

  âèÍftHg[gÍêÂµ©ÝèÅ«È¢±ÆÅ·BftHg[g
  ÆÍAÁèÌoH¶ÄÅÍÈ¢pPbgªSÄçêéoHÅ·BÊíAf
  tHg[gÍC^[lbg¶ÄÉÈÁÄ¢éÍ¸Å·B

  sKÈ±ÆÉA¢Â©Ì Linux ÌfBXgr[VÅÍ[JÈ
  C[TlbgðftHg[gÉ·éæ¤ÉÝèµÄ¢Ü·BC[Tlbg
  ðú»µÄ¢éVXeÌÝèt@CðC³µÄA[eBOîñðC
  ³µA[JÈC[TlbgÉÍftHg[gÅÍÈAÁèÌ[
  eBOîñðÝè·éæ¤É·éKvª èÜ·B

  ±Ì½ßÉÍ NET2-Howto Æ Linux Network Administrator Guide ð²×Ä
  ¾³¢B

  22.  2 ÂÌlbg[Nð PPP ÅÂÈ®ÉÍ

  î{IÉêäÌ Linux PC ð PPP T[oÉÚ±·éêà 2 ÂÌ LAN ð
  PPP ðgÁÄÚ±·éêàá¢Í èÜ¹ñBPPP Í êÎêÌvgR
  Å é±Æð¨YêÈB

  µ©µÈªçA2 ÂÌ LAN ðÚ±·éêAoH§äðÇ¤·×«©ð«¿
  ñÆðµÄ¨Kvª èÜ·BNET-2 howto Æ Linux Network
  Adminitrator Guide(NAG)ðÇÝÜµå¤BÜ½AO'Reilly and Assoc ©ço
  Ä¢é"TCP/IP Network Administration(ISBN 0-937175-82-X) àð§Â±Æ
  Åµå¤B

  2 ÂÌ LAN ðÚ±·é½ßÉÍAÙÈé IP lbg[NÔðÝèµ( é
  ¢Í¯¶lbg[NÔÅàTulbg»·é)ÃIÈ IP Ôðg¤©A
  IP masquerade ðgíÈ¯êÎ¢¯Ü¹ñBIP masquerade ðg¤êÌÝè
  ÉÂ¢ÄÍ IP masquerade mini-howto ðä¾³¢B

  22.1.  IP ÔÌÝè

  Ú±æÌ LAN ÌÇÒÆkµAPPP C^[tFCXÌ¼[Åg¤ IP Ô
  ðßÜ·BÃIÈ IP Ôðg¤êAÁèÌdbÔðg¤Kvà é
  Åµå¤B

  É /etc/ppp/options[.ttyXX] t@CðC³·éKvª èÜ·BLAN Ô
  Ú±pÉÜÁ½fÆ|[gðg¤æ¤ÉµÄ¨Ìª¢¢Åµå¤B»
  Ì½ßÉÍ /etc/ppp/options t@CàC³µÈ¯êÎÈçÈ¢©àmêÜ
  ¹ñBí¹ÄALAN ÔÚ±ÈOÌÚ±Ì½ßÉàKØÈ options.ttyXX
  t@CðìéKvª èÜ·B

  ÃIÈ IP Ôðg¤áÅ¦µ½æ¤ÉA È½Ì¤Ì PPP [ÉKØÈ IP
  ÔðwèµÄ¾³¢B

  22.2.  oHÌÝè

  [JÌ LAN ©ç PPP Ú±ðoRµÄpPbgð¬·oHðÝè·éKv
  ª èÜ·B±Ì½ßÉÍ 2 ÂÌiKªKvÅ·B

  Ü¸ÅÉAPPP Ú±ðµÄ¢é}V©çÚ±æÌlbg[NÖÌoHð
  ÝèµÜ·BÚ±æªC^[lbgÌêApppd É `defaultroute' Iv
  Vðt¯êÎ±ÌoHªÝèÅ«Ü·B

  2 ÂÌ LAN ðÂÈ®½ßÉ PPP Ú±ðg¤êÍÁèÌlbg[N[g
  ðwèµÈ¯êÎÈèÜ¹ñB»Ì½ßÉÍ/etc/ppp/ip-up XNvgÉ
  route R}hðÁ¦Ü·B±Ìû@ÉÂ¢ÄÍuÚ±ª®¹µÄ©çAAv
  ÌÍðä¾³¢B

  ÉA[JÌ LAN ÉÚ±³êÄ¢é¼ÌRs[^ÖA È½Ì
  Linux }Vª ppp ÅÚ±µÄ¢élbg[NÖÌ 'gatway' ÉÈÁÄ¢
  é±Æðmç¹Ü·B

  à¿ëñAÚ±æÌlbg[NÌÇÒà¯¶±ÆðµÈ¯êÎ¢¯Ü¹
  ñBµ©µÈªçAÞ()ª È½Ìlbg[NÖpPbgðÁÄéÉ
  ÍftHg[gÅÍÈAÁèÌlbg[N[gªKvÅ·(Ú±æ
  Ì LAN ª È½Ì}VðoRµÄC^[lbgÖÚ±µÄ¢éêð
  ¢Ä)B

  22.3.  lbg[NZLeB

  LAN ð PPP oRÅC^[lbgÉÂÈ¢¾è "OÌ" LAN ÆÚ±·é
  ÆAZLeBÉàÓð¥¤Kvª èÜ·Bt@CAEH[ðÝu·
  é±Æð}Él¦éæ¤É¨©ßµÜ·B

  23.  Ú±ªm§µ½ãAA

  PPP Ú±ªm§µ½çApppd Í /etc/ppp/ip-up ð`FbNµÜ·B±ÌX
  Nvgª¶ÝµÄÀsÂ\ÉÈÁÄ¢½ç PPP f[Í»ÌXNvg
  ðÀsµÜ·BÅ·©çA±ÌXNvgÉ PPP Ú±ðg¤êÉÀsµ½
  ¢ÁÊÌoHîñÌÝèâ»Ì¼ÌKvÈÝèð·é½ßÌR}hð¢Ä
  ¨¯ÎAPPP Ú±Ì½ÑÉ©®IÉÀsÅ«Ü·B

  /etc/ppp/ip-upÍÊÌVFXNvgÅ\íÈ¢ÌÅAVFXNvg
  ÅÂ\È±ÆÍ½ÅàÅ«Ü·(âè½¢±ÆÍ½ÅàÅ«Ü·)B

  á¦ÎA±ÌVFXNvgÌÅ sendmail ðgÁÄ mail queue ÉÁ
  Ä¢é[ðè¾·æ¤È±ÆàÂ\Å·B

  ¯lÉAip-up É(pop ðgÁÄ)[ðæè±Þæ¤ÈR}hðÝèµA
  ISP ÉÍ¢Ä¢é[ð©®IÉæè±Þ±ÆàÂ\Å·B

  23.1.  ÁÊÌoHÝè

  2 ÂÌ LAN ðÚ±·éêA'OÌ' LAN Öü¢½ÁÊÌoHîñðÝèµ
  ÄâéKvª èÜ·B±êà /etc/ppp/ip-up XNvgÌÅÝè·éÌ
  ªÈPÅµå¤BâèÉÈéÌÍA¡Ì PPP Ú±ðg¤êÅ·B

  /etc/ppp/ip-up ÍSÄÌ ppp Ú±ÌÛÉÀs³êéXNvgÈÌÅAÚ±
  É¶½KvÈoH§äÉÖ·éR}hª³µÀs³êéæ¤ÉÓ[
  ÝèµÄâéKvª èÜ·B

  ±Ì½ßÉÍ pppd ª±ÌXNvgÉn·p[^ðgÁÄ bash Ì
  'case' ¶ÅðªòµÄâéÌª¢¢Åµå¤Bá¦ÎAÈºÉ¦·àÌ
  ÍAWAN Ú±ÆÌ©îÖÌC[TlbgÚ±ðg¢í¯é½ßÌXNvg
  Å·(¼ÒÆà¯¶ ppp T[oðgÁÄ¢Ü·)

  ______________________________________________________________________
  #!/bin/bash
  # pppd ÅKvÉ¶Ä[eBOðÝè·é½ßÌXNvg
  # Newman campus ÖÌNÉÌÝ[eBOªKv
  #
  # ppp Ú±ÌÛA±ÌXNvgÍÈºÌæ¤ÈøÅÄÑo³êéB

  #       $1      pppd ªg¤C^[tFCX¼(áFppp3)
  #       $2      tty foCX¼
  #       $3      tty foCX¬x
  #       $4      C^[tFCXÌ[J IP AhX
  #       $5      [gÌ IP AhX
  #       $6      pppd Ì ipparam IvVÅwè·ép[^
  #
  case "$5" in
  # Newman Campus ÌT[oÖÌ[eBOðÝè
          202.12.126.1)
                  /sbin/route add -net 202.12.126.0 gw 202.12.126.1
  # [L[ÉÁÄ¢é[ðè¾·B
                  /usr/sbin/sendmail -q &
                  ;;
          139.130.177.2)
  # C^[lbgÚ±
  # ^CT[oª®¢ÄÈ¯êÎÚ±ÉN®µÄA¢EÌÆ¯ú·éB
                  if [ ! -f /var/lock/subsys/xntpd ]; then
                          /etc/rc.d/init.d/xntpd.init start &
                  fi
  # j[XT[oÌN®(®¢ÄÈ¯êÎ)
                  if [ ! -f /var/lock/subsys/news ]; then
                          /etc/rc.d/init.d/news start &
                  fi
                  ;;
          203.18.8.104)
  #
  # ©îÌ}VÉ[ðè±ÞB©îÌC[TlbgÍIP masqeurade Æ
  # proxy arp Ì[eBOÉÈÁÄ¢éÌÅ[eBOÍsv
                  /usr/sbin/sendmail -q &
                  ;;
          *)
  esac
  exit 0
  ______________________________________________________________________

  Newman campus Ö±ÌXNvgÅÚ±µ½êAÈºÉ¦·æ¤È[eB
  Oe[uªÝè³êÜ·(±Ì}VÍ½¿Ì_CAAbv PPP T[
  oC^[lbgÚ±}VÅ·)B»ê¼êÌGgª½ð¦·©ÌR
  gðt¯Ä¨«Üµ½B

  ______________________________________________________________________
  [root@kepler /root]# route -n
  Kernel routing table
  Destination     Gateway         Genmask         Flags MSS    Window Use Iface
  # C^[lbgQ[gEFCÖÌzXg[g
  139.130.177.2   *               255.255.255.255 UH    1500   0      134 ppp4
  # Newman campus T[oÖÌzXg[g
  202.12.126.1    *               255.255.255.255 UH    1500   0       82 ppp5
  # Ì©îÌC[Tlbg LAN ÖÌzXg[g
  203.18.8.104    *               255.255.255.255 UH    1500   0       74 ppp3
  # öJµÄ¢é 2 ÂÌ_CAAbv PPP pñü
  203.18.8.64     *               255.255.255.255 UH    552    0        0 ppp2
  203.18.8.62     *               255.255.255.255 UH    552    0        1 ppp1
  # Newman campus LAN ÖÌlbg[N[g
  202.12.126.0    202.12.126.1    255.255.255.0   UG    1500   0        0 ppp5
  # [JÌC[TlbgÖÌ[g(2 ÂÌA±·éNX C Ìlbg[N
  # ðÚ±µÄ¢Ü·)
  203.18.8.0      *               255.255.254.0   U     1500   0     1683 eth0
  # loop back foCXÖÌ[g
  127.0.0.0       *               255.0.0.0       U     3584   0      483 lo
  # C^[lbgÖÌftHg[g
  default         139.130.177.2   *               UG    1500   0     3633 ppp4
  ______________________________________________________________________

  23.2.  e-mail Ì

  OßÅÍÚ±ªm§µ½ÉPÉ[L[ðtbV·éÆ¢¤û@
  ÅOÖèo·[ðÇ¤·é©ð¦µÜµ½B

  WAN Ú±ÌêAÚ±æÌ LAN Ìlbg[NÇÒÆkµÄ¯¶±Æð
  ·é±ÆªÂ\Å·Bá¦ÎAäXÌ WAN Ú±ÅÍ Newman Campus ¤Ì
  /etc/ppp/ip-up XNvgÍ±Ìæ¤ÉÈÁÄ¢Ü·B

  ______________________________________________________________________
  #!/bin/bash
  #
  # pppd ÉKvÈ[eBOîñÌÝè
  # Hedlan ¶ÄÌÚ±ÌêÌÝÉKv
  #
  # ppp Ú±ÌÛA±ÌXNvgÍÈºÌæ¤ÈøÅÄÑo³êéB
  #
  #       $1      pppd ªg¤C^[tFCX¼(áFppp3)
  #       $2      tty foCX¼
  #       $3      tty foCX¬x
  #       $4      C^[tFCXÌ[J IP AhX
  #       $5      [gÌ IP AhX
  #       $6      pppd Ì ipparam IvVÅwè·ép[^

  case "$5" in
          203.18.8.4)
                  /usr/sbin/sendmail -q
                  ;;
          *)
  esac
  exit 0
  ______________________________________________________________________

  ISP Ú±Å IP AhXð®IÉè Äé PPP Ú±µ©g¦È¢êÅà
  ISP Ì}VÉ é È½¶Ì[ðæè±Ý½¢êª éÅµå¤B±
  ÌêAêÊIÉÍ POP(Post Office Protocol)ðg¢Ü·BPOP Í
  'popclient' vOÅµ¦Aip-up XNvgÅÝè·é±ÆÅ©®»·
  é±ÆªÂ\Å·B

  KØÈÝèÅ popclient ðN®·éXNvgÌÝðÜÞ /etc/ppp/ip-up
  ðpÓµÜ·BRed Hat Linux ÌüÁÄ¢ébvgbv@(·sÌKùiÅ
  ·)ÅÍA±Ìæ¤ÉµÄ¢Ü·B

  ______________________________________________________________________
  popclient -3 -c -u hartr -p <password> kepler.hedland.edu.au |formail -s procmail
  ______________________________________________________________________

  j[XÉÂ¢Äà¯lÌ±Æª slurp ÈÇÌvOðg¤±ÆÅÂ\
  Å·Bip-up XNvgÍPÈé bash XNvgÈÌÅ PPP Ú±ª§¿ 
  ªÁ½Æ«Éñs¤×«ÇñÈdÅà³¹é±ÆªÂ\Å·B

  24.  NÌI¹

  [g ÀÅg¦ÎAù¶Ì /usr/bin/ppp-off XNvgÅâèÈÚ±ð
  I¹Å«éÍ¸Å·BÏXµ½¢Æ±ëÍAsendmail ª[ð]µÄ¢
  éêÍµÎçI¹ðÒÂæ¤É·é®ç¢Åµå¤B

  ±êÍhèÆµÄcµÄ¨«Üµå¤B

  à¤êÂAÚ±ðI¹·éêÉÌÝÀs³êéXNvgðìé±ÆàÅ«
  Ü·B±ÌXNvgÍ /etc/ppp/ip-down Å·B±ÌXNvgÅ
  /etc/ppp/ip-up XNvgªsÈÁ½ÏXð³¹é±ÆªÂ\Å·B

  25.  LAN Ì[eBOÉÖíéâè

  LAN ÉÚ±µÈªç PPP ðg¢½¢êA(C[TlbgC^[tFCXð
  oRµÄÚ±·é) LAN ÖépPbgÆÚ±æÌ PPP T[o©ç»ÌæÖ
  épPbgÌoH§äÉÂ¢Äl¶·éKvª èÜ·B

  ±ÌZNVÅÍoH§äðÚµÐî·éÂàèÍ èÜ¹ñ - PÈ
  (ÃI)oH§äÌáðêÂÐî·éÉ¯ßÜ·B

  oH§äÉÂ¢ÄæmçÈ¯êÎ Linux Network Administrator
  Guide(NAG)ÉÚðÊ³êéæ¤É¨©ßµÜ·BÜ½AO'Reilly ©ço
  Ä¢é "TCP/IP lbg[NÇ"à±Ìâèðªèâ·µÁÄ¢Ü·B

  ÃIÈoH§äÌî{IÈ[ÍAftHg[gªÙÆñÇÌlbg
  [NAhXðwµÄ¢éAÆ¢¤àÌÅ·B»êÈOÌlbg[NAh
  XÉÍ»ê¼êÉ[eBOîñðo^µÜ·B

  ±±Åµ¤BêÌóµÍC^[lbgÉÚ±µÄ¢È¢ LAN ÉÂÈªÁÄ
  ¢é Linux }Vª ÁÄALAN ðg¢ÂÂdbñüoRÅC^[lbg
  ðÂlIÉpµ½¢AÆ¢¤áÅ·B

  Ü¸AC[TlbgÖÌoHªftHg[gÅÍÈAÁèÌlbg[
  NAhXðwè·é[eBOÉÈÁÄ¢é±ÆðmFµÄ¾³¢B

  ±êÍ route R}hÅ`FbNµÜ·Broute -n Æ·êÎÈºÌæ¤ÈR
  }hª\¦³êÜ·B

       [root@hwin /root]# route -n
       Kernel routing table
       Destination     Gateway         Genmask         Flags MSS    Window Use Iface
       loopback        *               255.255.255.0   U     1936   0       50 lo
       10.0.0.0        *               255.255.255.0   U     1436   0      565 eth0

  àµC[TlbgC^[tFCX(eth0)ªftHgÌoHÉÈÁÄ¢éê
  (eth0 ÌsÌÅÌsª "default" ÉÈèÜ·)AC[TlbgÌú»X
  NvgðC³µÄAftHgÌoHÅÍÈÁèÌlbg[NAhX
  ðw·æ¤ÉC³µÜ·(Ú×Í Net2 HOWTO Æ NAG ð©Ä¾³¢)B

  ±¤µÄ¨¯ÎApppd ÌÚ±ðftHgÌoHÉ·é±ÆªÂ\Å·F

       [root@hwin /root]# route -n
       Kernel routing table

       Destination     Gateway         Genmask         Flags MSS    Window Use Iface
       10.144.153.51   *               255.255.255.255 UH    488    0        0 ppp0
       127.0.0.0       *               255.255.255.0   U     1936   0       50 lo
       10.1.0.0        *               255.255.255.0   U     1436   0      569 eth0
       default         10.144.153.51   *               UG    488    0        3 ppp0

  ²Ìæ¤É PPP T[o(10.144.153.51)ÖÍ ppp0 ðoR·ézXg[g
  ªo^³êA»Ì PPP T[oðQ[gEFCÉ·éæ¤ÉftHgÌoH
  ªè`³êÄ¢Ü·B

  àÁÆ¡GÈoH§äªKvÈêAæÉq×½hLgðÇÝA È½
  ÌTCgÌGLXp[gÉqËÄ¾³¢B

  Ú±µÄ¢é LAN ª[^ÉÂÈªÁÄ¢éêA»ÌTCgÌæèå«È
  lbg[NÖÚ±·é½ßÌQ[gEFCªÝè³êÄ¢éÍ¸Å·B»Ì
  êÅàAftHg[gð PPP C^[tFCXÉµÄA»Ì¼ÌoH
  Í»ê¼êÌlbg[NÖü¯é±ÆªÂ\Å·B

  25.1.  ZLeBÉÂ¢ÄÌ

  ù¶Ì LAN ÉÚ±µÄ¢é Linux }Vð PPP oRÅC^[lbgÉÚ
  ±·éêA»Ì LAN SÌðöÝIÉC^[lbgÖðúµÄ¢é±ÆÉ
  ÈèÜ· - »±ÉÍNbJ[Ìë¯ª èÜ·BPPP oRÅC^[lb
  gÉÚ±·éÜ¦ÉÍ È½ÌgDÌlbg[NÇÒÉkµAZL
  eBÉÖ·éûjðmF·éæ¤É¨©ßµÜ·Bàµ È½Ì PPP Ú
  ±ðoRµÄ È½ÌTCgªU³êêÎA¯»âlbg[N/VXe
  ÇÒÌñïÌIÉÈé±ÆÅµå¤B³çÉ[Èâèðø«¨±·ë¯à
   èÜ·B

  LAN ðC^[lbgÉÚ±·éOÉÍA®IÈ IP AhXp¢ÄÚ±µ½
  èAæÉGê½ O'Reilly Ì "Building Internet Firewalls" ðÇñÅAæ
  èÀSÈÚ±û@ðl¦Ä¾³¢B

  26.  Ç¤µæ¤àÈ¢Æ«ÉB

  PPP Ú±ª¤Ü¢©È¢êA±Ì¶ðÄxÇñÅASÄð`FbNµ¼
  µÄ¾³¢B¯É "chat -v..." R}hÌoÍâ "pppd -d" ÌoÍð
  VXeÌOt@C©ç²×ÄÝÜµå¤B

  PPP ÉÖ·éhLgâ FAQ ÈÇA±Ì¶ÅÐîµÄ¢é¶ÉàÚ
  ðÊµÄÝÄ¾³¢B

  »êÅà¤Üs©È¢êAcomp.os.linux.misc ©
  comp.os.linux.networking Ìj[XO[vÉeµÄÝÜµå¤B±ê
  çÌj[XO[vÍ comp.protocols.ppp ¯lAPPP ÉÚµ¢lªæÇ
  ñÅ¢Ü·B

  ¶ÄÉ e-mail ðµÄàçÁÄà\Å·ªAÉàd(Æ¶)ª èÜ
  ·ÌÅA·ÎâÔÅ«é©ÍÛØÌÀèÅÍ èÜ¹ñ( é¢ÍSÅ
  «È¢©àµêÜ¹ñ)B»êçÍdÌ×âÂlIÈ¶ÌóµÉË¶µ
  Ü·B

  ê¾ÓµÄ¨«Ü·ªAcåÈfobOoÍðj[XO[vÉeµ½
  è ÄÉÁÄ±È¢Å¾³¢B OÒÍlbg[NÌÑæÌQïÅ·
  µAãÒÍ /dev/null èÉÈèÜ·(ªÁÉ»ÌoÍð©¹ÄÙµ¢Æ
  ñ¾ÈO)

  27.  Ú±ª¤Ü¢ÁÄ©çN«â·¢âè

  âèÌêÂÍA½ÌT[rXvoC_ªÚ±pÌVµ¢\tgEFApb
  P[Wµ©T|[gµÄ¢È¢±ÆÅ·B±êÍ(T^IÉ) Microsoft
  Windows Å©çêÜ· :-( Á¦ÄA½ÌvoC_Ì¿âûÍ
  Unix(Linux)Ì±ÆðSmèÜ¹ñBÅ·©çAÞç©çÌ¯ÍÙÆñÇ
  ³¢ÆoåµÄ¨¢Ä¾³¢B

  à¿ëñAÂlIÈ`ÅÞçÉ Linux ð³¦Äâé±ÆàÂ\Å·(ISP Ì¿
  âûÌSÒÍC^[lbgÌ±ÆÉÍÚµA©îÉ Linux }Vð
  ÁÄ¢éÂ\«à èÜ·)

  27.1.  PPP T[o©çæÖÚ±Å«Ü¹ñB

  PPP Ú±ªÂÈªÁÄAPPP T[oÖ IP ÔðwèµÄ ping Å«é¯Ç
  (PPP T[oÌ IP ÔÍ ifconfig R}hÅ ppp0 É "remote" Æ\¦³
  êéÄ¢é IP ÔÅ·)A»±©çæÖÍs¯È¢AÆ¢¤âèÅ·ËB

  Ü¸ /etc/resolv.conf Ål[T[oÉwèµ½ IP ÔÖ ping µÄÝÜ
  ·B±êª¤Üsæ¤ÈçÎAPPP T[o©çæÖpPbgªÍ¢Ä¢Ü
  ·(PPP T[oÆl[T[oª¯¶}VÌêÍ)BÉT[rXv
  oC_Ì}VðzXg¼(FQDN)ÅwèµÄ ping µÄÝÜµå¤Bá¦ÎA

  ping my.provider.net.au

  ±êÅÍ_ÈêAzXg¼Ì IP AhXÖÌÏ·ª¤Ü¢ÁÄ¢Ü¹
  ñB½ª /etc/resolv.conf É typo ª éÌÅµå¤B/etc/resolv.conf
  ðÓ[`FbNµÄAvoC_©ç³¦ÄàçÁ½ÊèÉÈÁÄ¢é©
  `FbNµÄ¾³¢BÔá¢ª©t©çÈ¯êÎAvoC_Édbð©¯
  ÄA«¤Âµ½ IP Ôª³µ¢©mFµÄ¾³¢B

  »êÅà_Èç(voC_Ìl[T[oª³µ¢Ä¢é±ÆðmF
  µÄ)AÇ±©ÊÌÆ±ëÉâèª éÌÅµå¤BVXeÌÝèª³µ¢
  ©Úµ`FbNµÄÝé±Æð¨©ßµÜ·(ÁÉt@Cp[~bV
  ÉÓ)B

  »êÅàvoC_Ìl[T[oÉ IP ÔÅà ping Å«È¢êAl[
  T[oª~ÜÁÄ¢é©(dbð|¯ÄmFµÄÝÜ·)AvoC_¤Ìo
  H§äÉâèª éÌ©àmêÜ¹ñB»êçÉÂ¢ÄvoC_ÉÄxmF
  µÄÝÜµå¤B

  êÂÌÂ\«ÆµÄÍAÚ±æà Linux ðgÁ½ PPP T[oÅ IP
  forwarding IvVªJ[lÉgÝ±ÜêÄ¢È¢Ì©àmêÜ¹ñI

  êÊIÈeXgûÆµÄÍAàÁÆàægíêÄ¢é Microsoft Windows
  pÌ\tgEFAðgÁÄµÄÝé±ÆÅ·B¯¶AJEgÅAÊÌ OS
  ÈçÎ¤ÜÚ±Å«éæ¤ÈêAâèÍ È½Ì Linux É ÁÄAT[
  rXvoC_Ì¤ÅÍ èÜ¹ñB

  27.2.  e-mail ðo¹éñÅ·ªó¯ÆêÜ¹ñB

  ®IÈ IP AhXÌèÄðó¯Ä¢éêA»êªÊÅ·BãÉGê
  éueíT[rXÌÝèvðä¾³¢B

  27.3.  Èº¼Ìlª finger â WWW, gopherAtalk ÅÌ}VÉÚ±Å«
  È¢ÌÅµå¤B

  ®IÈ IP AhXÌèÄðó¯Ä¢éêA»êªÊÅ·BãÉGê
  éueíT[rXÌÝèvðä¾³¢B

  28.  ®IÈ IP ÔÅC^[lbgÌeíT[rXðg¤ÉÍ

  IP ÔðÚ±ÌxÉ®IÉè ÄÄàçÁÄ¢éê(ÁÊÌ¿àð¥íÈ
  ¢ÀèA½ÌT[rXvoC_ª®IÈ IP AhXÌèÄµ©µÄ
  êÜ¹ñ)A½Ì§Àª é±ÆðoåµÈ¯êÎ¢¯Ü¹ñB

  »ÌêÅàOÖü¯ÄÌNGXgÍâèÈ®«Ü·B·Èí¿A
  sendmail oRÅ[àêÜ·µAftp Åt@CðæÁÄ«½èA¼Ì
  }VÌ[UÉ finger µ½èAweb ð©½è·é±ÆÈÇÍÂ\Å·B

  Ú±µÄ¢È¢óÔÅA©ªÌ}VÉæè±ñÅ¨¢½ e-mail ÉÔð
  ±ÆàÂ\Å·B»ÌêAoµ½[ÍÉ ISP ÉÚ±·éÜÅ[
  L[ÉÁÄ¢Ü·B

  µ©µA È½Ì}VÍ 24 ÔC^[lbgÉÚ±µÄ¢éí¯ÅÍÈ
  AÚ±ÌxÉ¯¶ IP Ôðàç¤í¯Åà èÜ¹ñBÅ·©çA¼Ú 
  È½Ì}Vª e-mail ðó¯Æé±ÆÍsÂ\ÅAweb â ftp ÌT[oð
  pÓµÄFBÉANZXµÄàç¤æ¤È±Æà¢ïÅ·B È½Ì}VÉ
  Íj[NÈ IP Ôªt¢Ä¢È¢½ßAC^[lbgÌ¤©ç©éÀ
  èA È½Ì}VÍ¢Âà¶ÝµÄ¢éàÌÆÍ©È³êÜ¹ñ(ÊÌ}V
  ª¯¶ IP AhXðè ÄçêÄ¢é±Æð¨YêÈ)

  WWW T[o(â»Ì¼ÌT[oÞ)ðÝèµ½ÆµÄàA È½Ì}VªC
  ^[lbgÉÚ±µÄ¨èA»Ì_Åè ÄçêÄ¢é IP Ôªª©ç
  È¢ÀèANà È½Ì}Vðmé±ÆªÅ«Ü¹ñBFlÉ È½Ì}V
  ªÇ¤¢¤ IP ÔÅÚ±µÄ¢é©ðmç¹é½ßÉÍAdbð©¯é±
  Æ©ç e-mailA(voC_ªVFAJEgðpÓµÄêéê)v
  oC_Éu¢Ä¢é ".plan" t@CÅmç¹é±ÆÜÅA³Ü´ÜÈû@
  ª èÜ·B

  ÙÆñÇÌ[UÉÍ±êÍÁÉâèÉÍÈçÈ¢Åµå¤BÊÌlªKv
  Æ·éÌÍ e-mail ÌóMÆ(voC_ÌAJEgÅÂ\Å·)AWWW â
  ftp Æ¢Á½C^[lbgãÌeíT[rXðp·é±ÆÅ·©çBà
  µA È½ÌT[oÖÚ±³¹éKvª éêAÅèµ½ IP Ôðè 
  ÄÄàç¤Kvª èÜ·B é¢ÍAãÅ¦µ½û@ðqgÉµÄA©ª
  ÅâèûðJµÄ¾³¢B

  28.1.  e-mail ÌÝè

  ®IÈ IP AhXÌèÄðg¤êÅà³µÝèµÄ¨¯Î[J
  Éì¬µ½ e-mail ð©RÉo·±ÆÍÂ\Å·Bsendmail ÌÝèÍâÁ©
  èÅÊ|ÈìÆÅ·BÅ·©çA±Ì¶ÅÍ sendmail ÌÝè@ÉÂ¢ÄÍ
  Gê¸ÉAÚ±æÌ ISP Ì[T[oð È½Ì[Ì[zXg
  (sendmail.cf Ì DS IvV)ÆµÄg¤û@ÌÝà¾µÜ·B(sendmail
  ÌÝèÌÚ×ÉÂ¢ÄÍ sendmail Ì¶ÞÆ sendmail Æ¤Ézz³êÄ¢
  é m4 ÌÝèWðÇñÅ¾³¢BKvÈîñÍmÀÉ»ÌÉ éÍ¸Å
  ·B)

  Sendmail ÉÂ¢ÄÍDê½{ª½ûàoÅ³êÄ¢Ü·(O'Reilly and
  Associates ©çÌoCuªL¼Å·)ªAÙÆñÇÌ[UÉÆÁÄÍÚµ
  ·¬éÅµå¤B

  sendmail ðÝè·êÎAOÖèo·L[ÉÁ½[ð PPP Ú±ª¬
  §·éÆ·®Éè¾·æ¤ÉÝèµ½ÈéÅµå¤B±Ì½ßÉÍ
  /etc/ppp/ip-up XNvgÉ

       sendmail -q &

  Æ¢¤R}hðÇÁµÜ·B

  ®I IP èÄÅÍçêÄ«½[ðó¯ÆéÛÉâèÆÈèÜ·B±
  Ìâèðð·éÉÍA

  o  [vO(MUA)ðÝèµÄAÔM[ÍSÄ "reply to" wb_
     Åwèµ½ ISP ÌAhXÉçêéæ¤É·éû@B
     Â\ÈçÎAFROM sÌAhXà ISP ÌAhXÉµÄ¨ûª¢¢Å
     µå¤B

  o  ±¤µÄ¨¢ÄApopclient vOðgÁÄT[rXvoC_©ç
     [ðæè±ÝÜ·B

  popclient ðgÁÄ[ðæè±ÞR}hàKvÈçÎ
  /etc/ppp/ip-upXNvgÉgÝ±ñÅÚ±ª¬§µ½É©®IÉsÈ¤±
  ÆàÂ\Å·B

  28.2.  [JÈl[T[oÌÝè

  l[T[oÍÚ±æÌ ISP ªÝèµ½àÌðg¦ÎâèÍ èÜ¹ñªA
  [JÉLbV@\ÌÝðÁ½(ZJ_)l[T[oð ip-up
  XNvgÌÅ§¿ °é±ÆàÂ\Å·B[JÈ(LbV@\Ì
  ÝðÁ½)l[T[oð§¿ °é_ÍA·¢Ú±ÔÌÔÉ½xàJ
  èÔµ¯¶TCgÉANZX·éæ¤ÈêÉÔ(ÆÑæ)ÌßñÉÈé±Æ
  Å·B

  LbV@\ÌÝðg¤l[T[oÌ DNS ÌÝèÍ²PÅ·
  (named.boot t@CÌ "forwarders"sÉ ISP Ì DNS ðwè·é¾¯Å
  ·)BO'Reilly Ì "DNS and Bind"ªKvÈ±ÆSÄððàµÄ¢Ü·B

  Ü½ADNS-HOWTO àðÉ§ÂÅµå¤B

  l`PbgÉÂ¢Äê¾FLbV@\ÌÝðg¤ZJ_Ìl[Z[
  oð§¿ °éêÉÍ ISP ÉAµÄÂðàç¤æ¤ÉµÄ¾³¢B
  ³µÝè³êÎA[JÈ DNS ðã°½Æ±ëÅ ISP ÉÍ½Ìe¿ày
  ÚµÜ¹ñªAÔáÁ½êAguª¶¶é±Æà èÜ·B

  29.  PPP T[oÌÝè

  ùÉq×Ä«½æ¤ÉAPPP T[oðÝè·éû@Í¢Âà èÜ·B±±
  ÅÐî·éÌÍ(Cyclades Ì}`|[gVAJ[hðgÁÄ)ªgÁ
  Ä¢éû@ÅAdbñüÍêÂÌÔÉ¡ÌñüªÚ±·é[^[_C
  A®ÉÈÁÄ¢Ü·B

  ±±ÅÐîµ½û@ª¨CÉ¢³È¯êÎAºÐ©ª¬Ìû@ÅâÁÄÝÄ
  ¾³¢B±Ì HOWTO Ì«Ìo[WÅÍ¢ë¢ëÈÝèû@ðÐîµæ
  ¤ÆvÁÄ¢éÌÅARgâµ½û@ÉÂ¢Ä³¦Ä¾³¢B

  ±±Åà¾·éÌÍ Linux ð PPP T[oÆµÄÝè·ébÌÝÅAÁÊÈ^
  [~iT[oÉÂ¢ÄÌà¾ÈÇÍ(êØ)·éÂàèÍ èÜ¹ñB

  Ü½AÍ shadow password ðµ½±Æª èÜ¹ñ(¢Â©âÁÄÝ½¢
  ÌÅ·ª)BÅ·©çAÈºÉà¾·ébÍ shadow password Â«ÉÂ¢ÄÍ
  êØ ÄÍÜèÜ¹ñB

  29.1.  J[lÌRpC

  ¡ÜÅÉq×Ä«½J[lÌRpCâJ[lÌo[WÆ pppd Ì
  o[WÌâèSÄª ÄÍÜèÜ·B±ÌÍÅÍ¡ÜÅÉq×Ä«½±Æ
  SÄÉÚðÊ³ê½àÌÆµÄbðißÜ·B

  PPP T[opÉÍJ[lÉ IP forward@\ðgÝ±Þ±ÆªK{Å·BK
  vÈçÎ»Ì¼Ì@\(á¦Î IP t@CAEH[â IP AJEeBO
  ÈÇ)àgÝ±ñÅ¾³¢B

  }`|[gVAJ[hðg¤êAKvÈhCoðgÝ±ÞÌðYê
  È¢æ¤ÉB

  29.2.  T[oVXeÌTv

  dbñüðoRµÄ PPP(Æ SLIP)ÅÚ±µÄé[UpÉ[UAJE
  gÆVFAJEgð[U¼/pX[hÌyAðgÁÄñµÜ·B±
  ¤µÄ¨¯Î(äXÉÆÁÄLÈ±ÆÉ)[UªKvÉÈéÌÍêÂÌAJ
  EgÌÝÅA»ÌAJEgÅSÄÌÚ±ðs¤±ÆÉÈèÜ·B

  ½¿Í³ç@ÖÌlÔÅAX^btâw¶ÌANZXÉÛàµÜ¹ñBÅ·
  ©çAÚ±ÔÌÇâÚ±¿Ì¿ÉÍÏí³êÈ¢±ÆÉµÜ·B

  C^[lbgÆ½¿ÌTCgÌÔÉÍt@CAEH[ðÝ¯At@CA
  EH[àÖdbñüoRÅANZXµÄé[UªOÖANZX·é
  Ìð§ÀµÜ·(ÀÛÉÍàÉà¢Â©t@CAEH[ª éÌÅ·
  ªA»êçÉÂ¢ÄÍKvÈ¢ÌÅGêÜ¹ñ)

  [Uª PPP ÅÚ±µÄéèÆµÄÍ(à¿ëñLøÈAJEgðÁ
  ½[UÅ·)F

  o  [^[®ÉÈÁÄ¢éÔÉdbð©¯é(±êÍêÂÌdbÔÉ¡
     ÌfªÂÈªÁÄ¨èA©©ÁÄ«½dbÍÅÌó¢Ä¢éf
     ÉÚ±µÜ·)

  o  ³µ¢[U¼ÆpX[hðgÁÄOCB

  o  VFvvgÅ ppp R}hðgÁÄT[oÌ PPP ðN®

  o  PC ¤Ì PPP ðN®([U¤Í Windows Åà DOS ÅàALinux Åà MAC
     OS ÅàA½Åà\¢Ü¹ñ)

  T[oÍ»ê¼êÌ/etc/ppp/options.ttyXX t@CðgÁÄA»ê¼êÌ
  |[g²ÆÉÙÈé IP ÔðÚ±æÉZbgµÜ·(Ú±·é¤©ç·éÆ
  ®IÈ IP è ÄÉÈèÜ·)BT[oÍÚ±µÄéNCAgÉ
  proxyarp [eBOðgÁÄoHðìèÜ·(pppd ÌIvVÅwèµ
  Ü·)B±¤µÄ¨¯Î routed â gated ÍsvÉÈèÜ·B

  [UªÚ±ðØÁ½êApppd ªÚ±fðF¯µÄfÉñüðØéæ
  ¤É½¶A¯É PPP Ú±àI¹·éæ¤ÉµÜ·B

  29.3.  \tgEFAðWßé

  ÈºÌæ¤È\tgEFAªKvÅ·B

  o  LinuxBKvÈ@\ð³µgÝ±ñÅ¨±ÆB

  o  J[lÌo[WÉÁ½ pppdB

  o  fÆÌÚ±ð«¿ñÆ·é 'getty' vOB

     ½¿Í getty_ps2.0.7h ðgÁÄ¢Ü·ªAmgetty Ìûª¢¢æ¤Év
     ¢Ü·B·¢½Æ±ëÉæéÆ mgetty Í pap/chap ðgÁ½Ú±à³µ
     F¯µÄ(pap Í Windows95 ÅWÉÈÁÄ¢Ü·) pppd ð©®IÉN
     ®·é»¤ÈÌÅ·ªAÜ¾µ½±ÆÍ èÜ¹ñB

  o  dbñüoRÅÚ±µÄé[Uªg¦é DNS T[oB
     Â\ÈçÎ©çÌ DNS T[oð§¿ °Üµå¤B

  29.4.  WIÈ(VFoRÌ)Ú±B

  PPP T[oðÝè·éOÉ Linux ª³µdbðó¯çêé±ÆðmFµÄ
  ¨¢Ä¾³¢B

  ±Ì HOWTO ÅÍ»ÌªÍµ¢Ü¹ñBIñ¾ getty ÌhLgâ
  serial HOWTO  ðä¾³¢B

  29.5.  PPP ÌIvVt@CÌÝè

  /etc/ppp/options ÉÍSÄÌ|[gÉ¤Ê·éIvVðÝèµÜ·B
  ½¿ªgÁÄ¢éIvVÍF

  ______________________________________________________________________
  asyncmap 0
  netmask 255.255.254.0
  proxyarp
  lock
  crtscts
  modem
  ______________________________________________________________________

  Ó - ½¿Í(¾¦IÉ)oHðwèµÄ¢Ü¹ñ - Á¦ÄftHg[
  gIvVàwèµÄ¢Ü¹ñBÈºÈçA(PPP T[oÉÆÁÄ)KvÈ@
  \Í ppp NCAg©çÌpPbgð LAN/Internet Öè¾µA
  LAN/Internet ©çÌpPbgðNCAgÖè¾·±Æ¾¯¾©çÅ
  ·B

  ±Ì½ßÉKvÈÌÍNAg}VÖÌzXgÆµÄÌoHÆpppd É^
  ¦é 'proxyarp' IvV¾¯Å·B

  proxyarp IvVðwè·éÆ(Á×«±ÆÉ) PPP T[oÌ arp e[
  uÉuPPP NCAg¶ÄÌpPbgÍSÄÉÁÄvÆ¢¤Ó¡ÉÈ
  éGgªì¬³êÜ·B±êªêäÌ PPP NCAgÖÌoHðìé
  àÁÆàÈPÈû@Å·Bµ©µÈªçA±Ìû@ÅÍ 2 ÂÌ LAN ðÑÂ
  ¯é±ÆÍÅ«Ü¹ñB»Ì½ßÉÍ proxy arp ÅÍÈ³µlbg[
  N[gðè`µÄâéKvª èÜ·B

  dbñüoRÅÚ±µÄé[UÉ®IÉ IP AhXðè Äé½ßÉ
  ÍA|[g²ÆÉ IP Ôðè ÄÄ¨«Ü·B»Ì½ßÉÍ
  /etc/ppp/options.ttyXX ð|[g²ÆÉìÁÄ¨«Ü·B

  ±Ìt@CÉÍ[J(T[o¤)Ì IP ÔÆ»Ì|[gÉè Äé
  IP ÔðLqµÄ¨«Ü·Bá¦ÎF

  ______________________________________________________________________
  kepler:slip01
  ______________________________________________________________________

  ±Ìt@CÉÍLøÈzXg¼ðwèÅ«é±ÆÉÓµÄ¾³¢(Ì
  ¯¦Ä¢é IP ÔÍ{ÉjÆÈé}VÆlbg[NfoCXÌÝÅµ
  ½BzXg¼ÍæèàÓ¡ª éÌÅL¯µâ·¢Åµå¤)B

  29.6.  pppd ð[Uª(¤Ü)®©¹éæ¤ÉÝè·é

  ppp Ú±ðJn·éÛÉÍJ[lÌfoCX(lbg[NC^[tFC
  X)ðÝèµAJ[lÌ[eBOe[uðìµÈ¯êÎ¢¯Ü¹ñ
  ÌÅA[g ÀªKvÉÈèÜ·B

  K¢È±ÆÉApppd Í uid ð root ÉµÄàuÀSvÈæ¤ÉfUC³ê
  Ä¢éÌÅA

  ______________________________________________________________________
  chmod u+s /usr/sbin/pppd
  ______________________________________________________________________

  µÄ¨«Ü·B

  ±Ìt@Cð ls -l ·éÆÌæ¤É\¦³êÜ·B

  ______________________________________________________________________
  -rwsr-xr-x   1 root     root        74224 Apr 28 07:17 /usr/sbin/pppd
  ______________________________________________________________________

  ±¤ÈÁÄ¢È¢Æ[Uª ppp Ú±ðJn·é±ÆªÅ«Ü¹ñB

  29.7.  pppd pÌGCAXÌÝè

  Ú±µÄé[UÉªèâ·¢æ¤ÉA/etc/bashrc ÉGCAXðÝèµ
  ÄAOC·êÎêÂÌR}h¾¯Å ppp ðN®Å«éæ¤ÉµÄ¨«
  Üµå¤B

  ½¿Í±¤¢¤GCAXðìÁÄ¢Ü·B

  ______________________________________________________________________
  alias ppp="exec /usr/sbin/pppd -detach"
  ______________________________________________________________________

  ±ÌGCAXÌÓ¡Í

  o  exec : »Ý®¢Ä¢évO(±ÌáÅÍVF)ÉÖ¦ÄAwèµ½
     vOðN®B

  o  pppd -detach : pppd ð fork µÄobNOEhÉüçÈ¢æ¤Éµ
     ÄN®B±¤µÄ¨¯Î pppd ªI¹µ½É(PPP Ú±ÉN®µ½)v
     ZXàSÄI¹µÜ·B

     [UªOCµÄêÎA'w' R}hÅÈºÌæ¤É\¦³êÜ
     ·B

  ______________________________________________________________________
    6:24pm  up 3 days,  7:00,  4 users,  load average: 0.05, 0.03, 0.00
  User     tty       login@  idle   JCPU   PCPU  what
  hartr    ttyC0     3:05am  9:14                -
  ______________________________________________________________________

  ±êÅ¨I¢BßÉ¾Á½ÊèAPÅî{IÈ PPP T[oVXeªo
  ãªèÜµ½B

  30.  PPP ðkf(VA¼)Åg¤ÉÍ

  ±êÍÔÉfª³¢ªA¸ÁÆÈPÅ·B

  Ü¸A'T[o'ÆÈé}VðIÑAVA|[gÉ getty ÌÝèðµ
  ÄA minicom ÈÇÌÊM\tgðgÁÄVA|[gÉ'NCAg'ª
  Ú±Å«é©eXgµÜ·B

  @\·é±ÆªmFÅ«êÎ getty ÍíµÄµÜÁÄ\¢Ü¹ñBàÁÆ
  àAdbñüÌêÌæ¤ÉA[U¼ÆpX[hðgÁÄÚ±ðFØ·é
  êÍ getty ðcµÄ¨«Ü·B½¾µAVAÅ¼·éæ¤ÈêA
  oûÌ}VÆàÚÌÍÍÍÉ éÍ¸ÈÌÅAÊÍÁÉFØ·éKvÍ
  È¢Åµå¤B

  ÉAT[o¤Ì getty ðO·Æ¯ÉAoûÌ}VÌVA|[gª
  setserial Å³µÝè³êÄ¢é©mFµÄ¾³¢B

  ±êÅoûÌ}VÅ pppd ðN®·é¾¯Å·Bá¦Î /dev/cua4 ÉÚ±
  µÄ¢éêAoûÌ}VÅÈºÌR}hðÀsµÜ·B

  ______________________________________________________________________
  pppd -detach crtscts lock <local IP>:<remote IP> /dev/cua4 38400 &
  ______________________________________________________________________

  ±êÅÚ±ª¬§µÜ· - µ©µA±ê¾¯ÅÍoHîñªÝè³êÄ¢Ü
  ¹ñBoûÌ}VÅ ping ÅÚ±µÄ¢é±ÆðmFµAåävÈæ¤Èç
  êU pppd vZXð kill µÄÚ±ðI¹³¹Ü·B

  à¿ëñAKvÆÈéoHîñÍ½ðµ½¢©ÉæÁÄÙÈèÜ·ªA±Ìæ
  ¤È`ÔÌÚ±ð·éêAêÊIÉÐûÌÌ}VªC[Tlbg(Æ»Ì
  æ)ÉÚ±µÄ¢éÍ¸ÈÌÅAPPP T[oÆNCAgÌ`ÌoHîñª
  KvÉÈéÅµå¤B

  Å·©çAC[TlbgÉÚ±³ê½}VÅÍ pppd ð±Ìæ¤ÉN®µÜ
  ·B

  ______________________________________________________________________
  pppd -detach crtscts lock proxyarp <local IP>:<remote IP> /dev/cua4 38400 &
  ______________________________________________________________________

  à¤êûÌ}VÅÍ

  ______________________________________________________________________
  pppd -detach crtscts lock defaultroute <local IP>:<remote IP> /dev/cua4 38400 &
  ______________________________________________________________________

  ÆµÜ·B¡Ìlbg[Nð(VAÚ±ðgÁÄI)ÂÈ®êâAæ
  è¡GÈoH§äªKvÈêAùqµ½æ¤É /etc/ppp/ip-up ðgÁÄÝ
  èµÄ¾³¢B

  Robert Hart
  Port Hedland, Western Australia
  August 1996