OnIt Professional Firewall is a safe and secure firewall for Windows. It is designed to be an easy to understand and use firewall. Will give you all the information about the application that is trying to connect to allow you to make a secure decision. The firewall supports rules based on application name, port, or IP.

Version 2.0.3 has complete rewrite of the detection engine, added more options to simplify firewall usage. Including ability to automatically allow known trusted applications found in the firewall database. Users are now able to enable or disable traffic logs. Added traffic monitor to show total incoming and outgoing traffic. Many bug fixes and speed improvements.