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I have an OpenSwan IPSec + L2TP VPN on Linux setup working from off of my server so I can connect to it from my laptop (roadwarrior setup). I am able to connect to the VPN remotely just fine, however the internet connection is not shared. I'm assuming there is some sort of masquerading I am supposed to be doing, but I have no idea how to go about doing that (iptables?).

Any help getting this working so I can essentially use my VPN connection as a proxy would be great.


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up vote 2 down vote accepted

Alright, I found my answer finally :)

iptables -t nat -A POSTROUTING -s -j SNAT --to

Where is the public interface I want to nat through, and the is the private VPN network IP range I have set up.

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