How To Permanently Block A Program Through Windows Firewall
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  :
Open Control Panel > Windows Firewall.
Select “Allow...
How To Open A Specific Port In Windows Firewall
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. Select Advanced settings.
3. In the Windows Firewall with Advanced...
