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Since MS improved the built-in firewall with SP1, I've been experimenting with turning it on and creating exceptions for the ports and services I use. Is anyone doing this successfully?

So far I have File & Printer sharing enabled and my Symantec AntiVirus server services enabled. I need to find out how to allow DNS, DHCP, and AD traffic. So far I have found, but not tested the following:

DHCP - Enable tcpsvcs.exe for local subnet.

DNS - Enable dns.exe for local subnet (also could use port 53 TCP/UDP).

AD - Enable lsass.exe for local subnet.

Any problems that you guys see with this? Am I missing anything critical? I found a very helpful page here that deals with it.

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https://www.neowin.net/forum/topic/305705-server-2003-sp1-firewall-exceptions/
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