Re: ssh tunneling with Kontact?

I guess the real question is just whether Kontact can be directed to a specific port.  I can already use VNC on the application server (behind the firewall machine) with:

ssh -L 8888:foo:5900 me@bar

That tunnels the output of port 5900 on the inner machine to my local port 8888.  But I am wondering if I can tunnel Kontact to my local machine directly from the inner machine...I can do that fine for the firewall machine.  The problem is that I can't seem to do that for the machine that's behind the firewall.

Again...many thanks!