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Date:      Mon, 1 Jul 2002 13:27:24 +0100
From:      "Jamie Heckford" <jamie@tridentmicrosystems.co.uk>
To:        <freebsd-isp@freebsd.org>
Subject:   VPN and NAT
Message-ID:  <07f301c220fa$a81d71d0$4464a8c0@JAMIEHECKFORD>

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Hi,

I've been browsing around looking at VPN examples and howtos for FreeBSD,
wondering if anyone
can give me further insight to the following:

Single box that "catches" traffic destined for a certain network and routes
it over the VPN
link. Incoming traffic from the other VPN is passed through.

Any traffic that is not destined for one of the VPN routed networks is
NAT'ed.

Is it possible to do a:

ipfw add divert nat from 192.168.102.0/24 to any except 192.168.105.0/24?

And would this still allow the VPN traffic to pass through ok?

Ideally I want my VPN and NAT interface to exist on the same IP address, but
it to pass
the VPN traffic out non-NAT'd.

Any help appreciated :)

thanks,

--
Jamie Heckford
Network Manager
Trident Microsystems Ltd
Tel:  01737 780790  Fax:  01737 771908
http://www.tridentmicrosystems.co.uk

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