Re: OWA without ISA server
- From: <thekevin@xxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Tue, 7 Jun 2005 20:49:44 -0500
[exchangelist] McAfee Groupshield v6 and Symantec Antivirus Corporate Edition 9
The Doc has written serveral articles comparing such configs weighing the
pro's and con's of each.Some very good reading for anyone IT.
thekevin
----- Original Message -----
From: adrian bolzan
To: [ISAserver.org Discussion List]
Sent: Tuesday, June 07, 2005 7:06 PM
Subject: [isalist] OWA without ISA server
http://www.ISAserver.org
Hi all,
Recently posted to the Exchange list but thought this forum may be
appropriate, too.
We currently run Exchange 2003 with FE and BE servers.
The FE server is in a DMZ, whilst the BE servers are located on the
Internal/protected network.
The FE servers are only accessed by staff on our WAN and selected staff via
the internet (those with permanent IP addresses).
We do not use ISA server, although it is on the horizon, rather using a
firewall appliance that performs stateful packet inspection, DOS, etc.
Currently, the FE server is part of our domain, and i have opened up all
ports between the FE server and the BE server and DC's in the protected
network, whilst restricting access from the internet to those with permanent IP
addresses on the ADSL/cable connections. If I remember correctly, I can
configure the communication between the FE server and the DC's to be over a
single port, which requires registry hacks, although this has not been
implemented.
What are your thoughts, with respect to security, on allowing general HTTPS
access to the FE server for OWA from the internet without ISA server and with
the scenario i have painted above?
cheers,
adrian
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