To allow the IIS server in the DMZ to communicate with the exchange server
behind the firewall requires that ports 137-139 be opened up. What I did was
setup a reverse proxy in the DMZ to access the IIS server that is in an
isolated network and communicates with the Exchange server in the main
network through a router (or could be switch ACL's). This was the best way I
found to secure it.

-----Original Message-----
From: Jaime Martins [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 15, 2000 8:54 AM
To: Firewalls MailingList (E-mail)
Subject: Outlook Web Access through Firewall



Hi,

Is anybody there with experience in Outlook Web Access through a Firewall.
The idea is to have the Exchange at the Internal network and the IIS at the
DMZ.

Anyone with experience on this?


Thanks 

Jaime.
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