Date: Wed, 05 Aug 2009 18:42:40 -0400 From: Robert Huff <roberthuff@rcn.com> Cc: freebsd-questions@freebsd.org Subject: Re: sshd and dhcp bind to specific address Message-ID: <4A7A0AE0.9050403@rcn.com> In-Reply-To: <4ad871310908051429q5d10f62bs8d9fff4f3a2d094e@mail.gmail.com> References: <f99a79ec0908051411w7d735dfdhe82c232de6177a53@mail.gmail.com> <4ad871310908051429q5d10f62bs8d9fff4f3a2d094e@mail.gmail.com>
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Glen Barber wrote: >> my pc gets ip address from dhcp server, >> but on my pc, there is running >> sshd. >> >> I want to make ssh to listen to only one >> ip address, but if ip changes due to dhcp, >> ssh server do not work properly. >> >> I know, that dhcp is able to assign ip address >> to client from some range e.g. 192.168.0.1-254 >> It is possible to do the same with ssh in case >> that it is not possible to do it only with one ip? >> > > Is this a local network, inside 192.168.0.0/24 ? Are you able to > configure a static IP for this machine? > > If not, I wrote a little script that runs every 15 minutes via cron(8) > which gets my IP address, performs a diff(1) against a static file > containing the current IP. If the IP is different, it mails me the > new IP. However, this assumes that outside access is the problem, > not internal access. I have a set of scripts I run when I know I have been handed a different address; they're not pretty, but they change the IP for sshd.conf and various stuff in bind. Robert Huff
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