From owner-freebsd-net@FreeBSD.ORG  Thu Mar 23 15:54:42 2006
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Date: Thu, 23 Mar 2006 10:54:38 -0500
From: "David Rhodus" <drhodus@machdep.com>
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To: "Matthew Grooms" <mgrooms@shrew.net>
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References: <4421CCF3.9010907@shrew.net>
Cc: freebsd-net@freebsd.org
Subject: Re: FreeBSD as a VPN Client Gateway ...
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On 3/22/06, Matthew Grooms <mgrooms@shrew.net> wrote:
> All,
>
>       If anyone would like to use FreeBSD as a VPN gateway but have the
> usual Win2K/XP clients to support, here is a free software product that
> may be of interest ...
>
> http://www.shrew.net/download
>
>       The VPN Client was designed to work with ipsec-tools + FreeBSD as
> the gateway but others such as NetBSD have been tested. Features include
> multiple XAuth user authentication modes, automatic client network
> configuration, remote network topology download, NAT Traversal, IKE
> fragmentation and transport pre-fragmentation ( ala NetBSD 3.0 ). The
> latter three are useful for clients behind NAT devices or broken
> DSL/Cable routers that drop large or fragmented UDP packets.
>
>       If you are interested in using NAT-T, you should have a look at
> Yvans kernel patch which offers everything but transport
> pre-fragmentation support ...
>
> http://ipsec-tools.sf.net/freebsd6-natt.diff
>
> Feedback and bug reports are appreciated ( off this list ).
>
> -Matthew

Are you going to release the source to the windows client ?

-DR