Add a port in Windows 7 firewall to open the port

 

Open a port in Windows Firewall

If the Windows Firewall blocks a program and you want to allow the program to communicate through the firewall
Select this program in the list of programs allowed by Windows Firewall (also known as the "exception List. To learn how to perform this operation, see
Windows Firewall for communication.

However, if the program is not listed, you may need to open a port. For example, when you play multiplayer games with friends online, you may need to open a port for the game so that the firewall can allow game information to reach your computer. The port is always open. Therefore, make sure that you disable the port that does not need to be opened.

1. Click Start, and then click Control Panel to open windows
   Firewall ". In the search box, type firewall, and click Windows Firewall ".

2. In the left pane, click Advanced Settings ". If the system prompts you to enter the administrator password or confirm the password, enter the password or provide confirmation.

3. In the left pane of the Advanced Security Windows Firewall dialog box, click inbound rules. In the right pane, click New rule ".

4. Follow the instructions in the new inbound rule wizard.

If you cannot use Windows Firewall to allow other computers to communicate with your computer, you can use "incoming connection" to automatically locate and fix common problems.

Click Start, and then click Control Panel to open the "incoming connection" troubleshooting. In the search box, type troubleshooting, and click "Troubleshooting ". Click "view all", and then click "incoming connections ".

 

 

From:

Http://windows.microsoft.com/zh-CN/windows7/Open-a-port-in-Windows-Firewall