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Port Blocking MSN/Windows Messenger
Any of you guys reading this forum have any sucess in blocking network users from accessing (using) MSN/Windows Messenger via a firewall?
I need to stop all the wannabe hackers from chatting away merrily with there friend (not to mention the security implications).
The internet is accessed by all users via a Netgear Router so I do have a bit of flexability with block ports, ip addresses etc.
Anyone tried it? Had experience blocking ports? If so which ones?
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