[Techtalk] adsl and dyndns issues with changing IP addresses

Monique Y. Mudama monique at bounceswoosh.org
Fri Nov 12 21:01:46 UTC 2010

On Fri, Nov 12 at 21:32, Anne Wainwright penned:
> Hello, every one.
> I actually have this under control, from one end at least. Using the
> dyndns service and with ddclient on the office server I get easy ssh
> connections to there from home through the adsl connection.
> The situation deteriorates when I want to connect to the postgresql
> database. In fact I can reliably achieve this, but at the home end
> the aadsl allocated WAN IP address also changes when I log in
> afresh. This means that I then have to ssh to the remote site and
> edit the pg-hba.conf file so that this presents the new IP address
> as a host address for postgresql. Then I restart postgres to reread
> the .conf file, and then I get my evening connection afresh.
> I didn't want to have such a wide mask that half the world could
> hack in, which is the only thing I can think of at present, so am
> wondering what the correct procedure should be. Is there any easy
> way around this?
> I can't be the first person to stumble on this issue, so all schemes
> considered with thanks.

Do I understand correctly that your postgres port is open to the world,
and you're relying on a configuration file to prevent unauthorized


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