A command line update client for dyn.com or any other provider with support for Remote Access Update API (i.e. strato.com).
- DynDnsUpdateCore (for .NET 5.0): Current and maintained version.
- DynDnsUpdater (for .NET Framework 4.5): Legacy and unmaintained version.
ATTENTION: The call differs from the legacy version for .NET Framework 4.5!
Usage:
dyndnsupdater.exe -u USERNAME -p PASSWORD -h HOSTNAME -f --provider https://dyndns.strato.com
Next to this one time call you can place the command into a bat/cmd file and execute this job periodically, using the Windows in-build scheduled task or Linux Cron functionality.
As proposed by the Remote Access Update API DynDnsUpdater will check the external ip of the current host by calling http://checkip.dyndns.com. The current ip will be saved under %LocalAppData%/DynDnsUpdater when running on windows and under a subdirectory when running on Linux. At the next runtime DynDnsUpdater copmares the current ip and the saved ip. Only if the ip has changed since the last time an update request is send to the ISP.
By default DynDnsUpdater will uses dyn.com. If you like to use another ISP (with support for the protocol) you can user the --provider parameter.
Full description of parameters:
-u, --username Required. Dyn.com (or other provider) username
-p, --password Required. Dyn.com (or other provider) password
-h, --hostname Required. Hostname to update. Multiple hostnames can be included,
separated by commas.
When multiple hostnames are used, it may be necessary to use
the /f switch to force an update.
Once an update has been forced, the /f should not be
necessary for subsequent updates.
-f, --force Force the hostname(s) recorded to be updated.
Over use of this feature may lead to being throttling
or being completely blocked by dyn.com servers.
Only use when something is out of sync and does not
become fixed by further updates.
--provider If you like to use another ISP with support for the
Remote Access Update API (i.e. https://dyndns.strato.com)
--help Display this help screen.
--version Display version information.
Publish for Linux (i.e. Ubuntu) (not self contained)
dotnet publish -c release -r linux-x64 /p:Version=2.0.1.0 --self-contained false
Usage:
dyndnsupdater.exe /u:USERNAME /p:PASSWORD /h:HOSTNAME /f
Next to this one time call you can place the command into a bat/cmd file and execute this job periodically, using the Windows in-build scheduled task functionality.
As proposed by the Remote Access Update API DynDnsUpdater will check the external ip of the current host by calling http://checkip.dyndns.com. The current ip will be saved under %LocalAppData%/DynDnsUpdater. At the next runtime DynDnsUpdater copmares the current ip and the saved ip. Only if the ip has changed since the last time an update request is send to the ISP.
By default DynDnsUpdater will uses dyn.com. If you like to use another ISP (with support for the protocol) open DnyDnsUpdater.exe.config and change the following user setting:
<setting name="UpdateServerName" serializeAs="String">
<value>https://dyndns.strato.com</value>
</setting>
While running in background - as proposed via Windows scheduled task - you won't be able to view the console ouput. Therefore a log4net log file could be activated in log4net.config file.
log output:
2016-04-28 12:00:09,646 [1] INFO DynDnsUpdater.Program (null) - Last Recorded IP Address: xx.xxx.x.xx
2016-04-28 12:00:09,686 [1] INFO DynDnsUpdater.Program (null) - Detected IP Address: yy.yyy.yy.yyy
2016-04-28 12:00:09,946 [1] INFO DynDnsUpdater.Program (null) - New IP Address will be propagated to: https://dyndns.strato.com
2016-04-28 12:00:10,816 [1] INFO DynDnsUpdater.Program (null) - good yy.yyy.yy.yyy
2016-04-29 12:00:27,395 [1] INFO DynDnsUpdater.Program (null) - Last Recorded IP Address: yy.yyy.yy.yyy
2016-04-29 12:00:27,435 [1] INFO DynDnsUpdater.Program (null) - Detected IP Address: yy.yyy.yy.yyy
2016-04-29 12:00:27,435 [1] INFO DynDnsUpdater.Program (null) - Update not necessary
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