blocking Live and MSN Messenger

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Hello fellas:


I have a really big problem here, i'm trying to block Windows Live Messenger
and MSN Messenger, i blocked the Messenger ports (and ISA 2006 Std, really
blocks those ports), but Windows Live Messenger still connecting using http,
when i set up the signature "User-Agent:", as suggested in
http://support.microsoft.com/kb/925120/en-us, but that rule, block all HTTP
traffic, and no one goes to the internet (and the messenger does not
connect), inside the company I have some privileged people that need the
Messenger to do their jobs, so, how i could block all the MSN messenger
traffic for all the company (including guests), except those privileged


Baruch Ortiz


.

Relevant Pages

  • ADVISORY: MSN Messenger OCX Buffer Overflow
    ... MSN Messenger OCX Buffer Overflow ... Microsoft MSN Messenger 4.5 and 4.6, which includes the MSN Chat control ...
    (NT-Bugtraq)
  • ADVISORY: MSN Messenger OCX Buffer Overflow
    ... MSN Messenger OCX Buffer Overflow ... Microsoft MSN Messenger 4.5 and 4.6, which includes the MSN Chat control ...
    (Bugtraq)
  • Re: Widows/MSN Messenger
    ... MSN Messenger is gone, it's now called Windows Live Messenger. ... Windows Live Messenger instead as the experience has been greatly improved. ... Windows 2000 will need to use MSN Messenger 7.0 however, ... The audio/video functionality is fully backwards compatible with Windows Live Messenger ...
    (microsoft.public.windowsxp.messenger)
  • Re: Unable to access Microsft sites
    ... Then reinstall MSN messenger... ... Search for "Run ActiveX controls and plug-ins" and disable it. ... Disabling this will prevent Hotmail from showing the MSN Messenger status ... disabling or uninstalling it and then see if Hotmail then works with ActiveX ...
    (microsoft.public.windows.inetexplorer.ie6.browser)
  • Re: IE Locks in Hotmail
    ... Hi Adrian - Wichert has it right - It's MSN Messenger that you need to ... disable/uninstall, NOT Windows Messenger. ... Disabling this will prevent Hotmail from showing the MSN Messenger ...
    (microsoft.public.windows.inetexplorer.ie6.browser)