[Techtalk] adsl and dyndns issues with changing IP addresses

Anne Wainwright anotheranne at fables.co.za
Fri Nov 12 21:23:22 UTC 2010

Hello, Monique,

I also have the public key of the server without which I don't think
that you can connect, at least when I make an ssh connection. Not sure
how that works though.


On Fri, 12 Nov 2010 14:01:46 -0700
"Monique Y. Mudama" <monique at bounceswoosh.org> wrote:

> 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 access?

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