Firewall Wizards mailing list archives
Re: Single Exchange/OWA on LAN with Internet Access - a good
From: "Patrick M. Hausen" <hausen () punkt de>
Date: Mon, 21 Nov 2005 15:32:31 +0100 (CET)
Hello! Stig wrote:
Our MS admins are proposing to implement single OWA/Exchange servers on the LAN and allow access directly to the server through the firewall.
IMHO this depends entirely on your definition of "firewall". If the "firewall" in question is nothing more than a stupid packet filtering device, then your network will be at a big risk. If the firewall can do things like control what happens inside the HTTP traffic for OWA, terminate SSL on the firewall for that purpose, provide strong token based authentication _before_ the connection even hits your exchange server ... then I'd say the benefits might outweigh the remaining risk. Somehow most admins have been brain washed to believe that "firewalls" are all about "port numbers". IMNSHO they are not. They are choke points for policy enforcment. And policy includes much more than just ports. Regards, HTH, Patrick M. Hausen Leiter Netzwerke und Sicherheit -- punkt.de GmbH Internet - Dienstleistungen - Beratung Vorholzstr. 25 Tel. 0721 9109 -0 Fax: -100 76137 Karlsruhe http://punkt.de _______________________________________________ firewall-wizards mailing list firewall-wizards () honor icsalabs com http://honor.icsalabs.com/mailman/listinfo/firewall-wizards
Current thread:
- Single Exchange/OWA on LAN with Internet Access - a good Ravdal, Stig (Nov 17)
- Re: Single Exchange/OWA on LAN with Internet Access - a good Paul D. Robertson (Nov 17)
- Re: Single Exchange/OWA on LAN with Internet Access - a good Patrick M. Hausen (Nov 28)
- <Possible follow-ups>
- RE: Single Exchange/OWA on LAN with Internet Access - a good Thomas W Shinder (Nov 17)
- RE: Single Exchange/OWA on LAN with Internet Access - a good Paul Melson (Nov 21)
- RE: Single Exchange/OWA on LAN with Internet Access - a good Behm, Jeffrey L. (Nov 17)
- RE: Single Exchange/OWA on LAN with Internet Access - a good Ravdal, Stig (Nov 17)
- RE: Single Exchange/OWA on LAN with Internet Access - a good Kim, Cameron (Nov 21)
- RE: Single Exchange/OWA on LAN with Internet Access - a good Ravdal, Stig (Nov 21)
- RE: Single Exchange/OWA on LAN with Internet Access - a good Ravdal, Stig (Nov 21)
- RE: Single Exchange/OWA on LAN with Internet Access - a good Matt Bazan (Nov 21)
- Re: Single Exchange/OWA on LAN with Internet Access - a good Julian M D (Nov 28)
- RE: Single Exchange/OWA on LAN with Internet Access - a good Ravdal, Stig (Nov 28)
(Thread continues...)