This page is dedicated to provide information about the leaktest and show the current performance stats for major commercial firewalls being subjected to the test.
Leaktest Overview
PCFlank’s Leaktest is a small utility that tests any firewall’s ability to protect against unauthorized or illegal transmissions of data from a user’s computer that is connected to the Internet.
The program doesn’t require installation and can be downloaded from here (alternatively, click the download button to obtain the test executable):