comodo FW 3.0 is far better than others firewalls.

The problem with Zone Alarm is that it was purchased and is now owned by Check Point, an Israeli outfit suspected of being in the espionage racket for Mossad.

Check Point Software Technologies Ltd
3A Jabotinsky St., Diamond Tower Ramat Gan, 52520, Israel

If you want to trust an application with such suspicious ownership that is supposed to be protecting your computer, and that ALSO stays in contact with home base at all times, that's your prerogative.