its better than none at all but would definatly get another because of the poits mentioned above. I wold also consider getting a hardware one aswell as iv found it invaluable. i have had no attacks come up on my software one for over a year.
I have Z/A on one pc and Windows F/w on another. I prefere the Windows.Zone Alarm will ask you for permission to allow access to various programs etc.However,most users will grant access without knowing who or what they are allowing to enter.Sort of defeats the purpose really in many cases. In either case ,never had any problems.
Basically, it faces the wrong way. So no, it's rubbish and should be replaced ASAP. Sunbelt Kerio is what you need - the best firewall short of paying for Outpost. The free trial version will automatically switch to the free spec, which is very similar to the paid-for spec. click here Better than ZoneAlarm.