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What could turn on a Windows 2003 server local firewall?

Posted on 2009-05-13
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Last Modified: 2012-05-06
I've discovered a local firewall turned on on our Windows 2003 server.  None of the local admins (4 of us)turned it on, and I'm wondering if it's possible that it could have been turned on by something else.  This server is in our Extranet.  Domain admins were doing a proxy authentication implementation at the time we lost our ability to reach this server through a certain port. (at the time we were unaware the firewall was turned on)  The proxy authentication was reversed and so began our problem.  When I turned off the local firewall, we could access what we needed.  So....my question is this....could it have been a group policy, or Windows Update that turned it on?  Could it have been on already, and something in the proxy authentication reacted adversely to it?  Thanks for any thoughts.....
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Question by:jjnc8890
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by:Perry_IDITC
ID: 24375770
Hi,

Typically the firewall is controlled via group policy. I would defign a specific policy for how you want the firewall to operate on the servers and workstations so you don't run into this problem again.

Cheers,
Perry
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by:jjnc8890
ID: 24377417
I found the answer.  Someone installed SP 2 not long ago, thus the ICF was automatically on.
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