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detecting a personal firewall

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wduty

Programmer
Jun 24, 2000
271
US
Anyone have any idea how one would programmatically detect the presence of a personal firewall?
 
I don't think you can. You could check for specific firewalls by examining what is in memory perhaps - but a firewall of which you knew nothing would just be blocking some IP ports.

I guess one way would be to have a webservice running on a server on the internet somewhere - and make calls to it - and seeing if that webservice could connect back to you?
Even then you couldn't be sure if it was a firewall or some other failure en-route.

I am prepared to be wrong on this though.

M

Hollingside Technologies, Making Technology work for you.
 
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