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Ports used for Lync Edge server

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linux-howto

http://serverfault.com – I have Lync 2010 Standard deployed in my environment, along with an edge server. On my firewall I have NAT'd the public address(s) to the server. Right now I have all the ports opened for these addresses to work, but now I want to lock this down for security concerns. Is there a complete list of ports that Lync needs opened in order to work properly? I used the port numbers on the Lync Manual, but it was still blocking audio/video after I entered them into the FW. Any assistance from anyone who has set this up previously would be much appreciated. (HowTos)