The default Windows firewall in Windows 7 is pretty effective and simple to manage. It can recognize most well known applications/programs and can grant them access automatically which is convenient but sometimes a specific program or programs need to be blocked permanently from accessing internet for various reasons. Here is how to do that : [...]
Sometimes it becomes necessary to manually open a port so that a program can work properly when Windows Firewall is active. Note : Only open ports manually when really needed since most programs are recognized and adjusted for settings automatically by Windows Firewall. To do this : 1. Open Control Panel > Windows Firewall. 2. [...]