Windows 7’s firewall has been enhanced significantly since XP and Vista but with these enhancements have brought a more complicated interface and less user-friendly ways to customise the open ports and allowed applications.
This HOWTO tells you step by step how to make open a specific port using the built in wizard.
You may need to open ports for many reasons such as using a non-default port for Remote Desktop Connection (RDM), using your PC as a server for applications such as FTP or for gaming.
Here’s how to do it:
- Click Start button > Control Panel
- Click System and Security
- On the right, click Windows Firewall
- On the left, click Advanced Settings as show below
- In the left pane, right click on Inbound Rules > click New Rule as show below
- The New Inbound Rule Wizard will appear.
- Select Port for the type of rule as shown below > click Next.
- The Protocol and Ports screen will appear.
- Select the protocol that you need for the particular service you are using. For this example, I will select TCP as shown below.
- Now select the Specific local ports radio button and enter the port number you need to open as shown above. For this example, I will enter 21. This is the standard port for FTP service if you want to make your PC into an FTP server.
- Click Next > The Action screen should appear.
- Select the Allow the connection radio button as shown below > click Next
- The Profiles screen will appear. Select which profiles you’d like this open port to apply to. I’m going to accept defaults and click Next.
- The Name screen will appear. Enter a meaningful name for your open port rule and click Finish.
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