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Can't identify active but broken firewall!

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#1 Condover


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Posted 30 October 2010 - 04:05 PM

I fix computers and one of my worst problems (4 in last 2 years) is when I have removed a virus and some programs can access the Internet and some can't. In all four cases there was a firewall active but security center does not see it. Actually it sees it and warns that multiple firewalls may be a problem, but cannot identify or name it. If it said "CA Firewall is Active" then great, but it often can't.

The question is how can I see if there is an active dysfunctional firewall installed? Where can I look?

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#2 ThunderZ


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Posted 30 October 2010 - 06:47 PM

Many security programs now run as a service. Looking at Services may point you to the culprit. Also should be shown in Task Manager. You may have to google some of the entries to pin it down though.

#3 Didier Stevens

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Posted 31 October 2010 - 03:23 AM

Take also a look at the installed programs (Control Panel / Uninstall a program).

Didier Stevens

SANS ISC Senior Handler
Microsoft MVP 2011-2016 Consumer Security, Windows Insider MVP 2016-2019


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