RE: block MSN Messenger

["Gross Barry D." <bd.gross () hosp wisc edu>]

we user our (TippingPoint)intrusion prevenention appliance to block
IM/P2P.

Barry



-----Original Message-----
From: Bruyere, Michel [mailto:mbruyere () ezemcanada com] 
Sent: Tuesday, April 19, 2005 3:00 PM
To: security-basics () securityfocus com
Subject: block MSN Messenger 


Hi, 
        I would like to know the best way to block the MSN messenger
program. I used the policie that do not allow to run windows messenger
and it only works with the built in messenger. I would like to block ALL
versions. 

I actually have few ideas, like null routing the msn servers or things
like that but I would like to know how you guys did it. 

NB: if you have tips for others IM like yahoo or AIM, I'll take them too
;)

Thanks for your inputs