Logging into a computer behind a router?
Chris F.A. Johnson
cfaj-uVmiyxGBW52XDw4h08c5KA at public.gmane.org
Fri Jul 14 19:31:09 UTC 2006
On Fri, 14 Jul 2006, Alex Maynard wrote:
>
> Hi All:
>
> I am confused by what may be a fairly basic networking question:
>
> I have two linux computers attached to a Linksys router, one of which
> I would like to be able to log into from both the other computer and from
> my office.
>
> If I use the address that I get from /sbin/ifconfig I am able to login
> from the other computer linked to the same router, but not from outside.
>
> Also the address I get from /sbin/ifconfig is entirely different from the
> one I see if I go to http://ww2.economics.utoronto.ca/whoami.php, which
> reads off IP addresses and the IP address that I read off from that page
> is the same for both computers hooked up to the router. So I am guessing
> that this is the router address and that the outside world is only seeing
> as far as the router and can't get past this? Does that sound right? If
> so, does anyone know of a simple way to change this so that I can log in
> from outside?
Tell your router to forward port 22 to your local address. Then you
can ssh to the 'net address and it will go to the machine you want.
--
Chris F.A. Johnson <http://cfaj.freeshell.org>
===================================================================
Author:
Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
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