The folks from McAfee have provided us with a simple and fast test of our firewall. Go to this site and click on the arrow by Port Scan. The test will run a minute or two and give you an indication that your firewall is doing its job -- or not! The results should be all green. If you get one red from time to time, run the tests again. The red will probably go away and probably was a false negative. If you get multiple red indicators, you have a problem and should call your PC Doctor.
Firewall Test
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