Date: Thu, 11 Aug 2005 21:28:22 -0400 From: Aaron Peterson <dopplecoder@gmail.com> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: tunneling / IPSec Message-ID: <45d750d205081118282549d6dd@mail.gmail.com>
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I've recently been through the relatively simple process of setting up IPSec IP in IP tunnels between two FreeBSD boxes using gif interfaces for the tunneling portion, native IPSec and the racoon port. Best I can tell, this only works between two devices whose IP addresses are directly accessable to each other (no NAT). I'm wondering if there is an easy way to make this same tunnel work through NAT, and/or if there is some other easy to implement alternative that works through NAT. I was thinking of tunneling the encrypted IP packets over a TCP connection maybe. But my thoughts aren't always the right ones :-) Is there a pseudo-interface that allows tunneling over a tcp connection in a similar way to the gif interface? Aaron
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