Windows Client -> FreeBSD + racoon VPN server

From: Ric (ric@digital-animations.com)
Date: 03/31/03 

From: ric@digital-animations.com (Ric)
Date: Mon, 31 Mar 2003 15:55:54 GMT

I realise this might not be 100% on topic anywhere but we are trying to
connect a Windows XP client to a VPN server running FreeBSD 4.8 and racoon
20021120a to allow the sales force to connect to our MS Exchange server and
get mail and calendar access (on our mostly Win2K network -ie Active
Directory, etc). We were also running IPFilter on the same box but to save
confusion we have paired it down. Now the client connects to our IPFilter
firewall (FreeBSD again, also running IPNat) which forwards all ESP and UDP
port 500 packets to the IPSec/racoon server.

This appears to work in as much as we can ping both the VPN server and the
Exchange server through the tunnel (I can watch both the ESP and ISAKMP
packets on the firewall and see the key exhange in the racoon log). However I
can't connect Outlook to Exchange server. It simply offers to retry or work
offline. My guess is this is an authenticion problem, but I would be wrong.
I've added exchange and our primary domain controllers into LMHOSTS (hosts
file for the Unix bods) on the XP client and I can ping all the machines - but
that is as far as I can get it.

I feel that I am very close to getting this working and would be grateful for
any help, hints or advice - even if it doesn't come from direct experience
with my exact setup.

Thanks
Ric

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