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Firewall Open Port Tester

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I needed to check what ports were opened on firewalls so I made a little program that would listen on a range of ports on a machine, then you could use any port scanner from the other side of the firewall to see what ports were opened.

I looked around the internet and couldnt find one, so I wrote this, hope it helps some people :)



Edited by gw_1966


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