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Disabling file transfer in MSN Messenger

EXPERT RESPONSE FROM: Roberta Bragg

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QUESTION POSED ON: 06 October 2004
How can I disable file transfer in MSN Messenger? I'm using ISA Server 2000. I only enabled port 1863.

EXPERT RESPONSE
File transfer using Windows Messenger and/or MSN Messenger incoming and outgoing ports 6681-6900. If these ports are blocked on the firewall, then file transfer cannot occur. Blocking these ports will not impact instant messaging. Port 1863 -- outgoing -- is required for instant messaging.

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