ZoneAlarm is known for their Free and Pro Firewall offerings.
ZoneAlarm is hosting a 24 hour Trick or Treat and offering their ZoneAlarm Pro Firewall 2010 for FREE! It’s a $39.95 value.
The license you get with this is valid for up to 3 PCs.
The offer is valid between 6am PST 10/13/09 to 6am PST 10/14/09.
So what are you waiting for? Get it now.