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How can I tell if there is a firewall running on my PC?

Posted on 2004-09-10
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Last Modified: 2013-11-16
PC is behaving as though a firewall is blocking incoming queries, but I have uninstalled and/or disabled all that I know of (Zone Alarm uninstalled, Windows firewall disabled, etc).  Is there a way to determine if there is a firewall running that I don't know about?  Thanks.
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Question by:tomahawk428
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LimeSMJ earned 250 total points
ID: 12032482
Try going to www.grc.com and using their ShieldsUP! web page to see what ports your computer has open.
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by:ahoffmann
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>  PC is behaving as though a firewall is blocking incoming queries,
how did you proof this?
Is your ISP running a firewall?
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by:JJ2
ID: 12041777
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