Download Windows 7 Firewall Control
Windows 7 Firewall Control is a very useful software with a neat, clean and colorful interface. It's user friendly and easy to understand.
It protects applications, programs and important information inside your computer from anything that tries to connect to your system or network. It prevents this information to be stolen by monitoring the network traffic.
It's easy to configure because it won't ever crash and the changes you make will be forever or at least until you say so. It's compatible with many Windows OS. It doesn't consume many of your system resources, this way your computer won't slow down.