RE: blocking hotmail and microsoft messenger traffic

["Bob Wanamaker - Avant Systems, Inc." <rlw () avantsystems com>]

Couldn't you just block port 80 traffic to the IP's for microsoft.com for
everybody in your organization?  There might not be any legitimate reason
for individual hosts on your network to talk to the borg on port 80 - I know
it's that way for a lot of companies.  Better yet, block all ports to the
borg except for smtp to/from your mailservers...

As far as messenger goes, that uses port 80 as well, but I don't know if it
can "peer" with other IP's independently of contacting the borg.

Other options include an installation of WebSense, or a proxy server, and
then denying urls at the application level.



-----Original Message-----
From: firewall-wizards-admin () honor icsalabs com
[mailto:firewall-wizards-admin () honor icsalabs com]On Behalf Of Richard
Worwood
Sent: Tuesday, July 29, 2003 3:01 PM
To: firewall-wizards () honor icsalabs com
Subject: [fw-wiz] blocking hotmail and microsoft messenger traffic


I'm having a bit of a nightmare at the moment trying to block these two
applications with a pix, does anyone know how I can do it?

Thanks


________________________________________________________
Richard Worwood, TDB Networks
4 High Street, Twyford, Berkshire  RG10 9AE
Office: +44 (0) 118 934 0056
Mobile: +44 (0) 7771 662880
Email: richardw () tdbnetworks com
Web: www.tdbnetworks.com


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