Changing VPN port

Since there are several VPN solutions at my office firewall I need to be able to change the port used by L2TP when connection using VPN.(e.g. set it to port 1000 and NAT it to 1701 in the firewall). I'm using the build in VPN client. However I can't find anywhere to change VPN port. Isn't this possible?
Message was edited by: jornki

I'm not sure about doing this with the VPN...
But you could tunnel from one machine to another (similar to a VPN) using SSH. You can set SSH to answer on any port. So maybe this would work for you.
This article describes exactly what may work for you:
http://www.afp548.com/article.php?story=20040815101734513&query=ssh
Jeff

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