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Yahoo Messenger and ISA

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How to block access to Yahoo messenger service through MS ISA Proxy Server in a homogeneous Win2000 environment?

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by srikrishna

Hi,you can try blocking port 5050..but i am not sure yahoo can tunnel through 80 port or not...one more option is the firewallclient config..block the IM in mspclnt.ini file and finally disabling socks4 filter...
bye
Srikrishna

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