JFirewallTest is a free Java webstart application that tests for holes or open ports in your firewall. Unlike other solutions, JFirewallTest is a two stage testing procedure that tests all 65,536 ports very rapidly. After testing is complete, JFirewallTest will present a page of results reporting exactly what ports are open and accessible to others on the Internet.
Runs under: Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Unix,Linux,Linux Gnome,Linux GPL,Mac OS X,Mac Ot
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