Its clear interface leaves no doubt for novice users and if you are an expert you can access important data and modify settings that will allow you surf internet your way but protected.
It doesn't consume a lot of memory and that's very good news for all those users who don't want their computers to slow down.
Comodo Firewall Pro will allow you to be safe when surfing the net, it will show you a message if something dangerous happens and you'll choose what to do. You'll always know what's happening and it will log all actions, so if you feel something is going wrong you can check the reasons.
During our tests, it has protected our PC very well, in fact, sometimes it protected it much more than we desired, but you can solve that by adjusting the admission rules.