Re: ssh tunnel question.
From: Andrew Schulman (andrex_at_deadspam.com)
Date: 09/14/04
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Date: Tue, 14 Sep 2004 03:38:28 -0400
> I have a windows box that I need to use to terminal service into
> another windows box behind the firewall.
>
> A: winbox
> B: Firewall
> C: Winbox running termserv b/h firewall B
> D: Sun box on same network as A
>
> I do this on C,
> ssh -L 3389:C:3389 -l username B
You mean you do this on A?
> but then when I open up the mstsc, it tells me it can't make
> connection.
And you tell it to connect to what host? localhost?
> I've used this method to connect to a web server running
> on C successfully so I know it should work but this might be a problem
> with mstsc not liking localhost part,
I don't know about mstsc, but I've done this successfully with Remote
Desktop in XP, which should be the same thing.
Have you checked that the port forwarding succeeded? E.g. run netstat
before and after setting up the tunnel. If A (where I assume you are) is
also running terminal server, then 3389/TCP will already be in use and the
port forwarding will fail. Have you cranked up the debug level on ssh and
looked at the messages for signs of trouble?
> My question is the following,
>
> is it possible to do
> ssh -L 3389:C:3389 -l username B on the sun box and then from A, I can
> termserv into the sunbox? I tried it but it didn't work.
Yes, that should also work, but only if you've set "GatewayPorts yes" in
~/.ssh/config on D. By default GatewayPorts is "no", so the Sun box will
deny incoming connections to 3389 from A.
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- Previous message: Stefan Schneider: "Performance of ssh -X"
- In reply to: NNTP: "ssh tunnel question."
- Next in thread: Andrew Schulman: "Re: ssh tunnel question."
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