Re: Port forwarding with ssh

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As stated below, the -L option might work. Below are general ssh
forwarding instructions, maybe you can adapt to your situation:

ssh -l user -v -L2001:machine_behind_firewall_ip:22 firewall_machine

In a different shell:

 ssh -l user -p 2001 localhost

You should be in the "machine_behind_firewall_ip"  You can also send
commands:

ssh -l user -p 2001 localhost ls

Note: make sure nothing is using the local port you decide to use.



On Wed, 06 Jul 2005 13:47:01 -0400, "Ugo Bellavance"
<ugob@xxxxxxxxxxxxxx> said:
> Ryan Golhar wrote:
> > I have an application this is trying to connect to a certain port (call
> > it port x) on a certain machine (call it machine a) that is sitting
> > behind a firewall.  The connection can't be made because of the
> > firewall...
> > 
> > I can ssh into machine a and was wondering about using port forwarding
> > to allow my local application to connect to port x.  
> > 
> > Everything I read on port forwarding sounds like the application has to
> > connect to a local port which will then be forwarded to another port on
> > another machine.
> > 
> > Does anyone know how to do this short of setting up a VPN?
> 
> Explore the '-L' option to ssh.
> 
> man ssh
> 
> > 
> > Ryan
> > 
> 
> -- 
> Ugo
> 
> -> Please don't send a copy of your reply by e-mail.  I read the list.
> -> Please avoid top-posting, long signatures and HTML, and cut the 
> irrelevant parts in your replies.
> 
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