ZoneAlarm Free Firewall
A newer version of ZoneAlarm Free Firewall is available.Or, Learn More About ZoneAlarm Free Firewall
Full user review
"The best firewall"
I've tried comodo firewall and it gave me a headache. ZoneAlarm on the other hand gives me an automatic option to set the firewall and my computer is still safe and sound after 6 years of using.
Nothing I can think of.
Very easy to use and gives necessary adjustment options.