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Date:      Thu, 11 Dec 2008 13:39:58 +0100
From:      VANHULLEBUS Yvan <vanhu@FreeBSD.org>
To:        Gabe <nrml@att.net>
Cc:        freebsd-net@freebsd.org
Subject:   Re: NAT-T + ipsec integration
Message-ID:  <20081211123958.GA5332@zeninc.net>
In-Reply-To: <20081211122828.CF3958FC16@mx1.freebsd.org>
References:  <20081211122828.CF3958FC16@mx1.freebsd.org>

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On Thu, Dec 11, 2008 at 04:02:01AM -0800, Gabe wrote:
> Hello all

Hi.

> Does anyone know how to enable nat traversal on freebsd?
> 
> I've got a site to site ipsec tunnel setup but clients behind the
> nat can't vpn through it. Any help would be appreciated.


Actually, you can apply a patch to src/sys and recompile your kernel
with IPSEC_NAT_T options.
Patches are available here:
http://people.freebsd.org/~vanhu/NAT-T/


You can also try to play with Perforce's branch, but it is still work
in progress to have a cleaned up version of PFKey interface (it may
work, but I just started to set up some testing hosts).



To answer the question some people may ask in this thread: the whole
patch should be included in TRUNK as soon as PFKey cleanup will be
done (which means "implemented + heavilly tested + reviewed").



Yvan.



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