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Date:      Mon, 9 Dec 2002 19:55:34 -0300 (ART)
From:      Fernando Gleiser <fgleiser@cactus.fi.uba.ar>
To:        security@freebsd.org
Subject:   (slightly OT) IPSec with dynamic IP
Message-ID:  <20021209195332.X5648-100000@cactus.fi.uba.ar>

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I'm sorry if this is OT for -security. I sent it to -questions but
got no answer.

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




				Fer

"When I say "dogs", I'm talking about dogs, which are large, bounding,
salivating animals, usually with bad breath. I am not talking about those
little squeaky things you can hold on your lap and carry around. Zoologically
speaking, these are not dogs at all; they are members of the pillow family."
Dave Barry.


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