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Date:      Mon, 9 Dec 2002 11:09:55 -0300 (ART)
From:      Fernando Gleiser <fgleiser@cactus.fi.uba.ar>
To:        questions@freebsd.org
Subject:   IPSec with dynamic IPs?
Message-ID:  <20021209110853.Q5604-100000@cactus.fi.uba.ar>

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Hi. I need to set up a VPN between a corporate LAN and roaming users. The
firewall is a FreeBSD 4.7 box with ipf/ipnat and will act as a security
gateway for the tunnel.

On the other side there are several Win2K/XP boxes connected to the
Internet via DSL/cable modem/dialup/carrier pigeon/whatever and they have
a different IP every time they connect.

The problem is: every single doc/tutorial/man page/ I've read says how to
set up the SA with static IPs, but now one side is dynamic.

So the questions are:

 1. Is this posible?
 2. If it's posible, can I do it with IKE/ISAKMP?
 3. Does anybody have a pointer to a doc which says how to do it? I'll rtfm,
    just tell me where the fm is :)


      Thanks


                          Fer




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