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WLM's signatures

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WLM's signatures - 13.Oct.2009 9:20:48 AM   
corolian

 

Posts: 1
Joined: 13.Oct.2009
Status: offline
hey guys, I need to allow Windows Live Messenger's text chat to pass thru but block its file transfer, webcam and voice. I know the ports but that would be inefficient if MS changed its versions so i think i should go by signature. Is there any way to detect the signature of the activities or can i get them from somewhere to block them? thanks
Post #: 1
RE: WLM's signatures - 12.Jun.2010 11:53:20 PM   
lsjames

 

Posts: 30
Joined: 6.Apr.2007
Status: offline
Windows live messenger use tcp 1863, tcp 80 and tcp 443.
To block windows live messenger, please read this topic.

_____________________________

James King
Microsoft Certified Systems Engineer
Free Traffic Monitor Software

(in reply to corolian)
Post #: 2
RE: WLM's signatures - 13.Jun.2010 6:37:21 PM   
Jason Jones

 

Posts: 4663
Joined: 30.Jul.2002
From: United Kingdom
Status: offline
Follow this approach to determine the User Agent property:

http://technet.microsoft.com/en-us/library/bb794829.aspx

or you could read this

http://support.microsoft.com/kb/925120

Cheers

JJ

_____________________________

Jason Jones | Forefront MVP | Silversands Ltd
My Blogs: http://blog.msedge.org.uk/ and http://blog.msfirewall.org.uk/

(in reply to lsjames)
Post #: 3

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