Rating: 
Summary: Excellent product
Review: This is an excellent personal firewall. It can be fully configured for every protocol and for both incoming and outgoing packets. Also lets you know when any data is being sent out from your PC.
Rating:
Summary: Simple&Secure
Review: This program is simple to use and is as good as it get's for security. ( NO I DON'T WORK FOR ZONE LABS }
Rating: 
Summary: worked good until......
Review: this program worked great until i simply wanted to turn it off for bit. when i turned it back on it was letting everything through. checked all the settings no luck. when i un installed it, the program managed to delete all my ports (common with braodband users). which made accessing the internet impossible. since it was the download i had no other choice but to format my hard drive. it turns out i was not alone, several people have ran into the same problem including some reviewers of this product. so i hope this helps to answer some of your questions. if you have dsl or dial up this does not seem to happen.
Rating:
Summary: worked good until......
Review: this program worked great until i simply wanted to turn it off for bit. when i turned it back on it was letting everything through. checked all the settings no luck. when i un installed it, the program managed to delete all my ports (common with braodband users). which made accessing the internet impossible. since it was the download i had no other choice but to format my hard drive. it turns out i was not alone, several people have ran into the same problem including some reviewers of this product. so i hope this helps to answer some of your questions. if you have dsl or dial up this does not seem to happen.
Rating:
Summary: Great Product
Review: When I first reviewed ZoneAlarm Pro, I gave it only two stars. After further work with it, my opinion of it has improved somewhat. It's certainly easy to use, and appears to be very effective in blocking unwanted attacks. Steve Gibson's "Shields Up" website gives it a clean bill of health.So why only three stars? Because I'm still frustrated by a problem I'm having with dial-up access. The first time I dial out, everything is fine. Then, since I'm not interested in tying up my phone line all evening, I hang up. Later on I dial out again, and the fun begins. It doesn't happen every time, but eventually my ISP becomes unable to resolve my user name and password, and the connection times out. This problem never occurs when I run Windows XP's built-in (and very limited) firewall. So obviously there's a conflict with ZoneAlarm. The only solution I've found so far is to reboot, which gets pretty old. Sometimes I can go a whole evening without having to, and sometimes not. Supposedly, one of the advantages of buying ZoneAlarm Pro, as opposed to downloading their free firewall, is that you get expedited technical support. So far, I'm not impressed. I filled out an online form detailing my problems, and several days later got a generic "cookie-cutter" response which was basically lifted straight from the FAQ page, and didn't address my issue at all. It was like they hadn't even read my problem description. So I wrote a more detailed response, listing out everything I'd tried. Naturally, the first thing I did was download and install the latest version, since this is only common sense. I have yet to hear anything from them, weeks later. Not even a "sorry for the delay, but we're still working on it." No matter how good the product, if the support is lacking, it's hard to justify paying them. Unfortunately, I bought two copies from Office Depot, so my money's already in their hands. So I've been trying other things on my own to make ZoneAlarm work. I ran Windows XP's network configuration wizard, and now I can always get logged onto my ISP. The problem now is that, when this maddening glitch rears its ugly head, I can't do anything with my connection, and I STILL have to reboot!! My advice, then, is this: if you're a dial-up user, go to ZoneAlarm's web site and download their free firewall. Try it out. If it works, great! By all means, pay them for it by upgrading to ZoneAlarm Pro. If it doesn't work, at least you aren't out any money.
Rating: 
Summary: Some issues to consider if you're a dial-up user
Review: When I first reviewed ZoneAlarm Pro, I gave it only two stars. After further work with it, my opinion of it has improved somewhat. It's certainly easy to use, and appears to be very effective in blocking unwanted attacks. Steve Gibson's "Shields Up" website gives it a clean bill of health. So why only three stars? Because I'm still frustrated by a problem I'm having with dial-up access. The first time I dial out, everything is fine. Then, since I'm not interested in tying up my phone line all evening, I hang up. Later on I dial out again, and the fun begins. It doesn't happen every time, but eventually my ISP becomes unable to resolve my user name and password, and the connection times out. This problem never occurs when I run Windows XP's built-in (and very limited) firewall. So obviously there's a conflict with ZoneAlarm. The only solution I've found so far is to reboot, which gets pretty old. Sometimes I can go a whole evening without having to, and sometimes not. Supposedly, one of the advantages of buying ZoneAlarm Pro, as opposed to downloading their free firewall, is that you get expedited technical support. So far, I'm not impressed. I filled out an online form detailing my problems, and several days later got a generic "cookie-cutter" response which was basically lifted straight from the FAQ page, and didn't address my issue at all. It was like they hadn't even read my problem description. So I wrote a more detailed response, listing out everything I'd tried. Naturally, the first thing I did was download and install the latest version, since this is only common sense. I have yet to hear anything from them, weeks later. Not even a "sorry for the delay, but we're still working on it." No matter how good the product, if the support is lacking, it's hard to justify paying them. Unfortunately, I bought two copies from Office Depot, so my money's already in their hands. So I've been trying other things on my own to make ZoneAlarm work. I ran Windows XP's network configuration wizard, and now I can always get logged onto my ISP. The problem now is that, when this maddening glitch rears its ugly head, I can't do anything with my connection, and I STILL have to reboot!! My advice, then, is this: if you're a dial-up user, go to ZoneAlarm's web site and download their free firewall. Try it out. If it works, great! By all means, pay them for it by upgrading to ZoneAlarm Pro. If it doesn't work, at least you aren't out any money.
Rating:
Summary: Must have for Cable/DSL connections
Review: ZoneAlarm works by blocking unwanted intrusions into your system. After being on some download sites, I've had over 500 hits in less than and hour! Granted, most of these are from the server trying to see whether the computer is still active, but it's good to know you have some measure of security. A truly determined hacker can get through it (and most any other firewall for that matter), but in most cases ZoneAlarm is a more than adequate first step for Internet security... In all, ZoneAlarm is worth the money...
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