Computers
use ports to interface with networks, including the Internet. Ports act
like doors that separate your computer from the rest of the world's
network. Your computer's ports can be opened or closed, which
respectively allows or disallows data to be transmitted to and from your
computer. However, blocked ports can prevent a program from working as
intended, and in that case the port(s) must be opened manually through
Windows Firewall. Fortunately, learning how to open ports and close
ports is very easy and simple! Every program uses its own set of ports,
so you'll need to do a little research and find out which ports your
program requires so you can open them.
Steps
For Windows XP
- 1Click Start and then My Network Places.
- Alternatively, if you have a My Network Places on your desktop, you can right click on it and select Properties.
- Alternatively, if you have a My Network Places on your desktop, you can right click on it and select Properties.
- 2Click on View Network Connections.
- 3Right click on the adapter or device that you use to connect to the Internet and select Properties.
- 4Click Settings under the Advanced tab.
- Don't see a Settings button? That means that Internet Connection Firewall (ICP) is disabled and all of your ports are already open.
- Don't see a Settings button? That means that Internet Connection Firewall (ICP) is disabled and all of your ports are already open.
- 5Open a new port by clicking Add. Input short but useful identifier for the Description, like "(video game name) Port Open".
- 6Enter 127.0.0.1 for the Name or IP address of the computer hosting this service on your network.
- 7Enter the port you'd like to open for both External port and Internal port.
- 8Select UDP or TCP. Your choice will depend on what type of port you need to open, and that will be dependent on the program.
For Windows 7
- 1Click on Start and open the Control Panel.
- 2Click on Windows Firewall.
- 3Click on Advanced Settings.
- 4Click on Inbound Rules, located in the left column.
- 5Click on New Rule, located in the right column.
- 6Select Port as your rule type. Click Next.
- 7Select UDP or TCP. Your choice will depend on what type of port you need to open, and that will be dependent on the program. Select Specific local ports and enter the port you'd like to open. Click Next.
- 8Select Allow the connection. Click Next.
- 9Select all of the checkboxes. Click Next.
- 10Input a short but useful identifier for the Name, like "(video game name) Port Open". Enter a Description if you want, although it's optional. Click Finish.
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