Here are a bunch of sites to test your firewall (I know, more boring stuff…)
grc.com/x/ne.dll?bh0bkyd2
grc.com/lt/leaktest.htm
pcflank.com/scanner1.htm?from=menu
whacker2.hackerwhacker.com/freetools.php
auditmypc.com/
hackerwatch.org/probe/
scan.sygatetech.com/
secure1.securityspace.com/smyse … =975297074
cert.org/security-improvemen … /p060.html