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<p><b>INADYN - Simple DYNAMIC DNS client.<br>
</b></p>
<p><b>Version 1.96.2, 12.March.2007<br>
</b></p>
<h3><b>INADYN Help<br>
</b></h3>
<p>INADYN is a dynamic DNS client. That is, it maintains the IP address
of a host name. It
periodically checks whether the IP address stored by the DNS server is
the real current address
of the machine that is running INADYN.<br>
</p>
<h3><b>Download</b></h3>
<table>
<tbody>
<tr>
<td>
<br>
</td>
<td> <br>
</td>
</tr>
<tr>
<td><br>
<b>Last version (1.96.2) executables:</b><br>
<a href="inadyn.v1.96.2.win32.zip">for Windows</a><br>
<a href="inadyn.v1.96.2.linux.zip">for Linux</a><br>
<br>
<br>
<b>Complete: source code + binaries</b><br>
<a href="inadyn.v1.96.2.zip">Inadyn ver. 1.96.2 Source Code + binary
for
Windows and Linux and MAC </a><br>
<br>
<br>
<br>
<b>Older versions:</b><br>
<br>
<a href="inadyn.v1.96.zip">Source Code + binary for
Windows and Linux ver. 1.96</a><br>
<a href="inadyn.v1.96.mac.zip">Binary 1.96 version for MAC OS</a><br>
<a href="inadyn.v1.95.zip">Source Code + binary for
Windows and Linux ver. 1.95</a><br>
<a href="inadyn.v1.90.zip">Source Code + binary for
Windows and Linux ver. 1.90</a> <br>
</td>
<td> <br>
</td>
</tr>
<tr>
<td> <br>
<p><b>Features:</b></p>
<ul>
<li>supports the following dynamic DNS services:</li>
<li><a href="http://www.dyndns.org">dyndns.org</a> (in all
three flavors: dynamic, static, custom)</li>
<li><a href="http://freedns.afraid.org">freedns.afraid.org</a></li>
<li><a href="http://www.zoneedit.com">zoneedit.com</a></li>
<li><a href="http://www.no-ip.com">no-ip.com</a> </li>
<li>maintains up multiple aliases of the same IP address</li>
<li>runs as a service (Windows 2000/XP, Linux)</li>
<li>or runs as a console application</li>
<li>updates the correct IP address even behind a NAT router.</li>
<li>supports access via http proxy</li>
<li>does not perform unnecessary updates.</li>
<li>has 'install and forget it feature'. That is, after install
one
can completely forget about
it. No maintenance required. (as long as no bugs are found;-)</li>
</ul>
</td>
<td> <br>
</td>
</tr>
</tbody>
</table>
<br>
<h3><b>Installation</b></h3>
<b> For Windows:</b><br>
<ol>
<li>IF you are planning to let inadyn <span
style="font-weight: bold;">run as a service</span>. For installation
you need <span style="font-weight: bold;">Administrator rights</span>
and
you need to launch the utility batch: <span style="font-style: italic;">install_inadyn_service.bat</span>
from the same directory where <span style="font-style: italic;">inadyn.exe</span>
is located.
This will allow a standard console application like <span
style="font-style: italic;">inadyn</span> to run as a service. The
programs <span style="font-style: italic;">intsrv.exe, srvany.exe</span>
are standard programs that can be also found on Windows 2000 res
Kit
CD. <br>
<span style="font-weight: bold;">Note</span>: Since
re-distributing the above mentioned programs seems to be illegal, they
are <span style="font-weight: bold;">not</span>
provided in the <span style="font-style: italic;">inadyn </span>package.
These programs have to be downloaded (if don't already have them) and
copied in the <span style="font-style: italic;">inadyn/bin/win32 </span>directory.<span
style="font-weight: bold;"> A</span>fter a bit of
googling I found some links where one can download them:<br>
<a
href="http://www.microsoft.com/downloads/details.aspx?FamilyID=9d467a69-57ff-4ae7-96ee-b18c4790cffd&displaylang=en">Download
the whole Windows Server 2003 Resource Kit Tools from Microsoft</a> or
the following alternate sites<br>
<a href="http://www.electrasoft.com/srvany/srvany.htm">http://www.electrasoft.com/srvany/srvany.htm</a><br>
<a
href="ftp://ftp.microsoft.com/bussys/winnt/winnt-public/reskit/nt40/i386/srvany_x86.exe">ftp://ftp.microsoft.com/bussys/winnt/winnt-public/reskit/nt40/i386/srvany_x86.exe</a>
<br>
</li>
<li>Edit the registry file with the <span style="font-weight: bold;">correct
name for your service </span>(e.g. 'configure_inadyn_service_<span
style="font-weight: bold;">dyndns</span>.reg') in order to pass your
username,
password, aliases, and other params to inadyn. After you have finished
double click on the reg
file.
<p>Notes:</p>
<ul>
<li>The correct path to inadyn binary has to be entered in the
config file.</li>
<li>The log file is located in %System%\system32 by default</li>
<li>Beware of the double backslashes '\\' and the correct paths!<br>
</li>
</ul>
<p>After you have finished double click on the reg file.</p>
</li>
<li>Go to ControlPanel/AdministrativeTools/Services/inadyn and START
the service. Also make
sure that the startup mode is 'automatic'.</li>
</ol>
<b>For Linux:</b><br>
<ol>
<li><b><span style="font-weight: bold;"><span
style="font-weight: bold;"><span style="font-weight: bold;"></span></span></span></b><b><span
style="font-weight: bold;"><span style="font-weight: bold;"><span
style="font-weight: bold;"></span></span> </span></b>No
installation necessary. The inadyn executable found in <span
style="font-style: italic;">bin/linux/inadyn</span> is self contained
and can be launched at any time<br>
</li>
</ol>
<b> For Macintosh</b> (thanks to Rob.S) <br>
<ol>
<li>Put the binary somewhere in path (e.g. ~/bin), <br>
Start it with the following AppleScript saved as an Application and
dragged to <br>
System Preferences -> Accounts -> Login Items:<br>
<p> do shell script "~/bin/inadyn -a HOST.dyndns.org -u USER -p
PASSWORD"</p>
<br>
Alternatively, one can put it in the system startup scripts. </li>
</ol>
<br>
<b> For other operating systems:<br>
</b>
<ol>
<li><b><span style="font-weight: bold;"><span
style="font-weight: bold;"><span style="font-weight: bold;"></span></span></span></b><b><span
style="font-weight: bold;"><span style="font-weight: bold;"><span
style="font-weight: bold;"></span></span></span></b>Recompile and set
the TARGET_ARCH to your own:<b><span style="font-weight: bold;"> </span></b><br>
</li>
<li>
<div style="text-align: left;"><b><span style="font-weight: bold;"></span></b></div>
<span style="font-weight: bold;">make TARGET_ARCH=myOS clean all</span></li>
<li>This will produce an executable in the bin/myOS directory.<span
style="font-weight: bold;"><br>
</span></li>
</ol>
<br>
<h3><b><i>Example usage:</i></b> <br>
</h3>
(See <a href="#cmd_line">command line options </a>below in order to
build your own command line)<br>
<br>
<span style="font-weight: bold;">1. Update every minute, in
console mode, for a dyndns.org system. </span><br>
inadyn --username test --password test --update_period 60000 --alias
test.homeip.net --alias my.second.domain<br>
<br>
<span style="font-weight: bold;">2. Update every minute, in demon mode
(background task), with log file, of an dyndns.org address: </span><br>
inadyn --background -u test -p test --update_period 60000 --alias
inarcis.homeip.net --alias my.second.domain --log_file
inadyn_srv.log<br>
<br>
<span style="font-weight: bold;">3. Update every minute, in daemon
mode, with configuration read from file of an address from
freedns.afraid.org </span><br>
Config file (can be placed anywhere, but in linux is convenient in
default location: /etc/inadyn.conf<br>
Content of cfg file:<br>
--update_period 60000 <br>
--alias test.homeip.net,hash_for_host1 <br>
--log_file /var/log/inadyn.log <br>
--change_persona 10012 #to change to another user id after init. (less
rights, more secure)
<br>
Launching of inadyn does not need any params. It looks for
/etc/inadyn.config
<br>
<br>
<span style="font-weight: bold;">4. Freedns update in console </span><br>
inadyn --update_period 60000 --alias test.homeip.net,hash_for_host1 -a
my.second.domain,hash2 --dyndns_system default@freedns.afraid.org<br>
Note:<br>
'hash' is extracted from the grab url batch
file that is downloaded
from freedns.afraid.org<br>
(<a href="#special_freedns">See also special note</a>)<br>
<br>
<span style="font-weight: bold;">5. DynDns update of a <span
style="font-style: italic; text-decoration: underline;">custom DNS</span>
service<br>
</span>inadyn --dyndns_system custom@dyndns.org -u USER -p PASS -a HOST<br>
<br style="font-weight: bold;">
<span style="font-weight: bold;">6. no-ip.com update</span><br>
inadyn --dyndns_system default@no-ip.com -u USER-p PASS -a HOST<br>
<br>
<br>
<h3><span style="font-weight: bold;">Configuration file</span></h3>
Inadyn can read the very same <a href="#cmd_line">options </a>which
can be present in the
command line from a configuration file. This feature allows the user to
write the options only once, and avoids frequent retyping.<br>
<i>Default configuration file</i> is /etc/inadyn.conf under Unix
systems. <br>
The location of the config file can be given ot inadyn via --input_file
option <br>
<br>
<i>The format</i> :<br>
- '#' is a comment sign. <br>
- the long options (those with '--' in front) can also be placed at the
beginning of the line <span style="font-style: italic;">without</span>
'--' signs<br>
<p style="margin-left: 0pt;">Examples:<br>
1.<br>
#Some comment about inadyn cfg file<br>
--username test --password test --update_period 60000 --alias
test.homeip.net --alias my.second.domain<br>
</p>
<p style="margin-left: 0pt;">2.<br>
--username test #user<br>
--password test <br>
update_period 60000 #some other param without '--'<br>
alias test.homeip.net <br>
</p>
<p style="margin-left: 0pt;"><br>
</p>
<b>LOG Output</b><br>
Inadyn prints some message when the ip is updated. If no update is
needed by default it prints a '.' every time when it performs a name
check. So typically you will see a lot of dots in the log file. (only
if verbose level is greater than 0).<br>
When the connection goes down it is possible that inadyn displays some
errors. But they should
be followed by 'OK' messages after the connection is up again.<br>
<br>
<br>
<b><a name="special_freedns"></a>Special notes for freedns.afraid.org<br>
</b><br>
They prefer to get as parameter a single hashed (base64 encoded) value
instead username,
password.<br>
This saves some computing resources apparently. The hash cannot be
computed by inadyn because
it involve the database index of your username in freedns database
which is not known.<br>
The simplest solution seems to be the copy-paste action from the
graburl batch file offered on
their website.<br>
<br>
<i>Example</i>: The batch file looks like this:<br>
graburl
http://freedns.afraid.org/dynamic/update.php?YUGIUGSEIUFGOUIHEOIFEOIHJFEIO=<br>
The user has to copy and paste the hash value after the '?' until the
end of line.<br>
The hash will be used as additional param in --alias option. (see
typical usage above)<br>
<br>
<h3><b>Command line options<a name="cmd_line"></a></b></h3>
<p>They are automatically printed if inadyn gets wrong parameters or if
<span style="font-weight: bold;">--help </span>option is
used.<br>
</p>
<p><i>Parameters</i>:<br>
</p>
<p style="margin-left: 20px;"><span style="font-weight: bold;">'--help'</span>:
help<br>
'-h': help<br>
</p>
<p style="margin-left: 20px;"><span style="font-weight: bold;">'--username'</span>:
your membername/ hash<br>
'-u': your membername / hash<br>
</p>
<p style="margin-left: 20px;"><span style="font-weight: bold;">'--password'</span>:
your password. Optional.<br>
'-p': your password<br>
</p>
<p style="margin-left: 20px;"><span style="font-weight: bold;">'--alias':</span>
alias host name. this option
can appear multiple
times. (for each domain that has the same IP)<br>
'-a': alias host name. this option can appear multiple times.<br>
</p>
<p style="margin-left: 20px;"><span style="font-weight: bold;">'--input_file'</span>:
input file name that
contains
inadyn command options (adds to those already present in the cmd line).
The default configuration file name is '/etc/inadyn.conf'. It is only
used if inadyn is called without any command line options. This allows
inadyn to be called without any arguments. The format is as expected
for a **NIX config file. See below for details.<br>
</p>
<p style="margin-left: 20px;"><span style="font-weight: bold;">'--ip_server_name[:port]
url':</span> The client
IP is detected by calling 'url' from this 'ip_server_name:port'.
Defaults to checkip.dyndns.org:80 /. <br>
</p>
<span style="font-weight: bold;">
'--dyndns_server_name': [</span><name style="font-weight: bold;">[:port]]</name>
<p style="margin-left: 40px;">The server that receives the update DNS
request.<br>
If no proxy is wanted, then it is enough to set the dyndns system. The
default servers will be
taken.<br>
</p>
<p style="margin-left: 20px;"><span style="font-weight: bold;">
'--dyndns_server_url' </span><name> <br>
full URL relative to DynDNS server root.
</name></p>
<p style="margin-left: 20px;"><span style="font-weight: bold;">'--dyndns_system'</span>:
[NAME] - optional
DYNDNS service type. SHOULD
be one of the following:</p>
<p style="margin-left: 40px;">-For dyndns.org DNS system:
<span style="text-decoration: underline;">dyndns@dyndns.org</span> OR<span
style="text-decoration: underline;">
statdns@dyndns.org</span> OR <span style="text-decoration: underline;">custom@dyndns.org</span>.<br>
-For freedns.afraid.org DNS system: <span
style="text-decoration: underline;">default@freedns.afraid.org</span> .<br>
-For the servcie ofered by zoneedit.com: <span
style="text-decoration: underline;">default@zoneedit.com</span>. <br>
- For no-ip.com :<span style="text-decoration: underline;">
default@no-ip.com</span><br>
-For generic DNS system:
<span style="text-decoration: underline;">custom@http_svr_basic_auth</span><br>
<span style="font-weight: bold;">DEFAULT </span>value is intended for <span
style="text-decoration: underline;">default service</span> at
dyndns.org:
dyndns@dyndns.org<br>
</p>
'<span style="font-weight: bold;">--proxy_server</span>': [NAME[:port]]
- the
http proxy server name and
port. Default is none.<br>
'<span style="font-weight: bold;">--update_period</span>': how often
the IP is checked. The period is in [ms].
Default is about 1 min.
Max is 10 days<br>
'<span style="font-weight: bold;">--update_period_sec</span>': how
often the IP is checked. The period is in
[sec]. Default is about 1
min. Max is 10 days<br>
'<span style="font-weight: bold;">--forced_update_period</span>': how
often the IP is updated even if it is not
changed. [in sec]<br>
'<span style="font-weight: bold;">--log_file</span>': log file path abd
name<br>
'<span style="font-weight: bold;">--background</span>': runs in
background. Output to syslog or to log
file [if specified].<br>
'<span style="font-weight: bold;">--verbose'</span>: set dbg level. 0
to 5<br>
'<span style="font-weight: bold;">--iterations</span>': set the number
of DNS updates. Default is 0, which
means infinity.<br>
'<span style="font-weight: bold;">--syslog</span>': explicit set output
to syslog. (e.g. /var/log/messages).
Works on **NIX systems only.<br>
'<span style="font-weight: bold;">--change_persona uid[:gid]'</span>:
After init changes user ID and group ID
to the provided ones. This allows dropping unneeded [root] privileges
after startup. Works for **NIX only. <br>
<br>
<h3><b>Support and Bug reports</b></h3>
<br>
Since this is free software the support [for free] is quite thin.
However, the bugs are usually
fixed very fast if they are reported.<br>
No active testing is performed so without user feedback the bugs won't
get discovered and
fixed.<br>
<br>
<i>Contact info</i>:<br>
<img src="inarcis2002.jpg"><br>
Web: inadyn.ina-tech.net<br>
<br>
<h3><b>HISTORY</b></h3>
<b><br>
</b>
Ver. 1.96.2 - 12 March 2007<br>
Fixes:<br>
- If the Dynamic DNS server responds with an error Inadyn will abort. This will prevent further retries with wrong dyndns credentials.<br>
- Default port number included in the request, to support the requests via Proxy, to ports different than 80.<br>
- Simplified main inadyn update loop function. (there was no bug there)<br>
<br>
Ver. 1.96 - 09 September 2005<br>
New features:<br>
- zoneedit.com supported.<br>
- no-ip.com supported.<br>
- support for generic DNS services that
support HTTP updates<br>
Fixes:<br>
- immediate exit in case of
--iterations=1 (not after a sleep period)<br>
- added missing option for specifying
the path in the DNS server<br>
<br>
Ver. 1.95 - 20 July 2005<br>
New features:<br>
- UNIX signals supported - inadyn will
stop gracefully in case of ALRM, HUP, INT, ...<br>
- new dynamic dns service supported -
www.zoneedit.com - Not tested!<br>
- makefile adjusted for Solaris -
compilable under Solaris.<br>
- support for generic DYNDNS service
that supports update via HTTP with basic authentication<br>
- not yet fully
complete. Not known where might be applicable.<br>
<br>
Ver. 1.90 - 24 February 2005<br>
New features/enhancements:<br>
- new option '--change_persona uid:gid'
- inadyn can switch the user after launch. Typical feature for daemons.<br>
- addition to '--ip_server_name'
feature, now it has another parameter: the URL to read from the
given server name.<br>
- reduced some error
messages <br>
- manual pages updated. (thanks to
Shaul Karl)<br>
Bugfixes:<br>
- typo fixed (--ip_server_name option)<br>
<br>
Ver. 1.86 - 30 January 2005<br>
Updated UNIX man pages for inadyn. Even a page for
inadyn.conf! (thanks to Shaul Karl)<br>
Enhancement: - Inadyn doesn't print anything (e.g.
ver. number) anymore when goes to background.<br>
Enhancement: - new config file parser. Accepts
ESCAPE character: '\'.<br>
Bugfix: - Corrected check of the return code from
socket() call.<br>
<br>
Ver. 1.85 - 10 January 2005<br>
Config file related enhancements:<br>
- a default location for the config
file in case of no arguments for inadyn<br>
- a more **NIX like format for the
config file. Thanks to Jerome Benoit. <br>
<br>
Small bugfix:<br>
- in case when 'iterations' option is
specified as being '1', inadyn exits immediately after first update,
not after the sleep period as before. <br>
<span style="font-weight: bold;"><br>
</span><b> </b>Ver. 1.81 - 23 November 2004 <br>
No new features. Just a better integration with
Linux OS:<br>
Reviewed usage of syslog and fork to background in 'daemon mode',
thanks to Shaul Karl. <br>
<br>
Ver. 1.80 - 16 October 2004<br>
New feature:<br>
--syslog: output to syslog for
Linux (should work for all **nix systems)<br>
New feature:<br>
run in background for Linux
(should work for all **nix systems)<br>
<br>
Minor compile warnings removed.<br>
<br>
Ver. 1.70 - 5 July 2004<br>
Bugfix: <br>
custom dns from dyndns option was
not accepted by the cmd line parser. "Copy-paste" error :-( !<br>
<br>
New option: (not tested. It was a debug option now
made accessible via cmd line. It should work)<br>
--iterations. Now one can run
inadyn with only one iteration. <br>
<br>
Ver. 1.60 - 5 June 2004<br>
On users' request the inadyn can read the options
from file. Ver. 1.5 - 1 May 2004<br>
- Support for dynamic DNS service offered by freedns.afraid.org<br>
- support for http proxy<br>
- GPL Copyright notice added.<br>
<p>Ver. 1.4 - 1 March 2004<br>
- Support for custom DNS and static DNS services offered by dyndns.org.<br>
- support for forced IP update (so the account will not expire even
though the IP never
changes)<br>
<br>
Ver. 1.35 - 04 february, 2004<br>
- Bugfixes: - It supports AGAIN the multiple aliases for the same IP
address<br>
- Under Windows the OS signal handler is installed only once no matter
if IP update errors
occur<br>
<br>
Ver. 1.34 - 6 Novemeber 2003<br>
- first port *NIX (Linux)<br>
- Linux version running as console app<br>
- bugfixes<br>
<br>
</p>
<p>Ver. 1.2 - June 2003<br>
- port to embedded system pSOS. Runs on the Remote management card.<br>
Note:<br>
No DNS support under pSOS -> input params are the IP addresses of
the servers used (DynDNS,
CGI)<br>
</p>
<p>Ver. 1.0 - 20 May 2003 - first stable version.<br>
main features ready:</p>
<p>- DYNDNS client</p>
<p>- free<br>
- works fine behind a NAT router<br>
- runs fine as a service<br>
- has a nice log file<br>
- it is MINE ;)<br>
<br>
</p>
<p><b>Future plans:<br>
</b></p>
<p>- port to some other DNS services.<br>
</p>
<br>
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