Bom pessoal, não vi esse ranking postado aqui no fórum.
Se estou repetindo, peço desculpas e que algum moderador delete o tópico, mas achei importante colocar:
COMODO EM 1º !!!
Firewalls’ ratings
The table below sorts the tested firewalls by their final score. This table also shows the exact version of every tested product.
Product Product Score Level of Anti-leak Protection
Comodo Icon Comodo Firewall Pro 2.4.16.174FREE 9475 Excellent
Jetico v2 Icon Jetico Personal Firewall 2.0.0.28 beta 9375 Excellent
ZoneAlarm Pro Icon ZoneAlarm Pro 7.0.337.000 8600 Very good
SSM Icon System Safety Monitor 2.4.0.617 beta 7975 Very good
Kaspersky Icon Kaspersky Internet Security 6.0.2.614 7950 Very good
Jetico v1 Icon Jetico Personal Firewall 1.0.1.61 FreewareFREE 7750 Very good
Privatefirewall Icon Privatefirewall 5.0.8.11 7625 Very good
GSS Icon Ghost Security Suite [BETA] 1.110 7500 Very good
PC-cillin Icon Trend Micro PC-cillin Internet Security 2007 15.00.1329 7500 Very good
DSA Icon Dynamic Security Agent 1.0.8.8FREE 7375 Good
F-Secure Icon F-Secure Internet Security 2007 7.01.128 6625 Good
Outpost PRO Icon Outpost Firewall PRO 4.0 (1007.591.145) 6550 Good
Lavasoft Icon Lavasoft Personal Firewall 1.0.543.5722 (433) 6500 Good
BlackICE Icon BlackICE PC Protection 3.6.cpv 5750 Poor
Sunbelt Kerio Icon Sunbelt Kerio Personal Firewall 4.3.635 5200 Poor
Look ‘n’ Stop Icon Look ‘n’ Stop 2.05p2 4800 Poor
Norton Icon Norton Personal Firewall 2006 9.1.0.33 4600 Poor
Safety.Net Icon Safety.Net 3.61.0002FREE 4000 Poor
Avira Icon Avira Premium Security Suite 7 build 98 2450 Very poor
SensiveGuard Icon SensiveGuard 1.06FREE 2350 Very poor
Sygate Icon Sygate Personal Firewall 5.6.2808FREE 2350 Very poor
McAfee Icon McAfee Internet Security Suite 2006 8.0 2325 Very poor
Blink Icon Blink Personal Edition 3.0.8.1496FREE 2250 Very poor
ZoneAlarm Free Icon ZoneAlarm Free 7.0.302.000FREE 1500 Very poor
CA Icon CA Personal Firewall 2007 3.0.0.196 1000 None
Outpost Free Icon Outpost Firewall Free 1.0.1817.1645FREE 1000 None
Norman Icon Norman Personal Firewall 1.42 750 None
BitDefender Icon BitDefender Internet Security 10.108 750 None
Panda Icon Panda Antivirus + Firewall 2007 6.00.00 650 None
Ashampoo Icon Ashampoo FireWall Pro 1.14 500 None
Filseclab Icon Filseclab Personal Firewall 3.0.0.8686FREE 500 None
AVG Icon AVG Anti-Virus plus Firewall 7.5.431 500 None
Windows Icon Windows Firewall XP SP2FREE 0 None
Fonte: http://www.matousec.com/projects/windows-personal-firewall-analysis/leak-tests-results.php