I tried blocking Yahoo Messenger with signature and it is still able to go thru port 80. How do I block with ISA server 2006. I tried all the articles in google search and nothing helped me so far.
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I tried blocking Yahoo Messenger with signature and it is still able to go thru port 80. How do I block with ISA server 2006. I tried all the articles in google search and nothing helped me so far.
To block Yahoo Messenger, you need to enter its IP address in the block list and also the its port in the list. I am not sure about what the IP is on your end, but on my network it is 98.137.149.56/24 and it is using port 5050. Check it before you block anything on your side. Also block Meebo which allows to use YIM without any installation.