http://www.matousec.com/projects/proactive-security-challenge/results.php
■Excellent
Comodo Internet Security 3.8.65951.477FREE 96% 10+
Outpost Firewall Free 2009 6.5.2724.381.0687.328FREE 93% 10+
Online Armor Personal Firewall 3.5.0.14 FreeFREE 92% 10+
■Very good
PC Tools Firewall Plus 5.0.0.36FREE 86% 10
Netchina S3 2008 3.5.5.1FREE 85% 9
■Poor
Dynamic Security Agent 2.0.11.22FREE 62% 7
Comodo Firewall Pro 2.4.18.184FREE 55% 7
Webroot Desktop Firewall 5.8.0.25FREE 54% 7
■None
ZoneAlarm Free Firewall 8.0.298.000FREE 11% 2
ThreatFire Free 4.1.0.25FREE 5% 1
Ashampoo FireWall FREE 1.20FREE 5% 1
ESET Smart Security 4.0.417.0 4%