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leaktest, internal extrusion, personal firewall, network security, internet security, shieldsup, shields up, shieldsup!, security detection, netbios security, steve gibson, gibson research, Personal firewall leakage tester When LeakTest was released, most personal firewalls were easily fooled. Any malicious program could give itself the same name as a trusted program to gain access to the Internet. LeakTest demonstrates and tests for this simple application "masquerading" vulnerability. LeakTest Version 1.1:
Shortly after we learned of and confirmed this unfortunate decision on the part of NetworkICE`s developers, we updated the original LeakTest v1.0 to version 1.1 by simply changing LeakTest`s remote connection IP and port number. With that small (two byte) change, LeakTest was again able to communicate out through BlackICE Defender`s complete lack of defenses, as it always has — and as any other malicious hackerware or spyware presumably also could.
LeakTest, Leak test