RE: MSN Messenger blocking
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 17 Nov 2004 23:19:50 -0600
Hi Steve,
You need to block the *.messenger.msn.com domain and prevent them from
using the MSN Messenger protocol. There are many ways to do this, of
course. Send me a note and I'll send you the .xml file of an Access Rule
I used to block MSN Messenger without blocking Hotmail. As always,
clients are configured as Web Proxy and Firewall clients! Not to do so
would dumb down the ISA firewall to that of a common PIX :)
HTH,
Tom
www.isaserver.org/shinder
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
-----Original Message-----
From: Steven Andreca [mailto:sandreca@xxxxxxxx]
Sent: Wednesday, November 17, 2004 12:56 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] MSN Messenger blocking
http://www.ISAserver.org
Anyone knows how to block MSN Messenger on ISA Server 2004? (Or in the
Default Domain Policy for that matter?).
You can block the built-in Messenger (4.7 I think) but not newer
version,
which apparently find their way through HTTP.
The only way I managed to do it is a combination of blocked
destinations:
207.46.104.20
207.46.110.1 - 207.46.110.254
64.4.0.0 - 64.4.63.255
gateway.moswest.msn.net
messenger.hotmail.com
I'm not sure which one does it but it works. However, the 2 other
problems
I have now:
1. I can't access Hotmail's page either.
2. Most of the times I cannot access Windows Updates.
If anyone has a better solution I'd greatly appreciate sharing it with
me.
Thanks,
Steven
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