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Allow Windows Live Messenger

Hi Guys !

Can anybody guide me as to how do I allow Windows Live Messenger 8.5 and beyond on ASA 5520?

5 REPLIES

Re: Allow Windows Live Messenger

UDP 5050.

Re: Allow Windows Live Messenger

That is not a complete port list - in the versions of Messenger from 7.5 up - if you are blocking ports, they WILL default to http/https.

If you already allow tcp 80/443 - it will work. That is what makes it so difficult to block in the first place. If you want to block in the future - at layer 4 is not enough, you have to block at layer 7.

HTH>

Re: Allow Windows Live Messenger

i agreewith Andrew

because on application layer will can have more options and flexibilty

have a look at the following link which use MPF with ASA to let u have an idea

http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a00808c38a6.shtml

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Re: Allow Windows Live Messenger

marwanshawi

With the link than u sended can i block msn, is more complex but works!!!!

Re: Allow Windows Live Messenger

u ca block, or just log

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