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Home / How to Check Available Ports in Windows 10

How to Check Available Ports in Windows 10

When dealing with certain apps and processes on your Windows 10 PC, you might run issues if you aren't connecting properly to the internet. If you've come across a potential fix that involves opening a certain port in your firewall, you might be wondering what exactly that process entails. This is a problem that can arise in plenty of situations, but especially when attempting to set up a VPN. If you suspect Windows Firewall is part of your connectivity issue, here's how to open ports.

How to open a port for incoming traffic in Windows Firewall

Windows Firewall is designed as a security measure for your PC. To put it simply, a firewall analyzes incoming and outgoing connections to determine whether or not they're threats. If you suspect that your Windows Firewall is causing connectivity issues, you can open a port for incoming traffic. Here's how:

  1. Right-click the Start button.
  2. Click Search.

  3. Type Windows Firewall.

    Click Search. Type Windows Firewall.

  4. Click Windows Firewall.

  5. Click Advanced settings.

    Click Windows Firewall. Click Advanced settings.

  6. Click Inbound Rules in the left frame of the window.

  7. Click New Rule… in the right frame of the window.

    Click Inbound Rules. Click New Rule.

  8. Click Port.

  9. Click Next.

    Click Port. Click Next.

  10. Click either TCP or UDP.

  11. Click Specific local ports.

    Click either TCP or UDP. Click Specific local ports.

  12. Type a port number. (In this case, we will open port 1707.)

  13. Click Next.

    Type a port number. Click Next.

  14. Click Allow the connection.

  15. Click Next.

    Click Allow the connection. Click Next.

  16. Click any network types you'd like to allow the connection over.

  17. Click Next.

    Click any network types. Click Next.

  18. Type a name for the rule.

  19. Click Finish.

    Type a name for the rule. Click Finish.

How to open a port for outgoing traffic in Windows Firewall

The same set of steps listed above can be used to create a rule for outgoing traffic. In step No. 6, instead of clicking Inbound Rules, you'll want to click Outgoing Rules. The rest of the steps are the same, and you can disable the rule in the same manner by using the steps in the next section.

How to close a port in Windows Firewall

Want to disable the rule you created to open a port in the Windows Firewall? Here's how:

  1. Right-click the Start button.

  2. Click Search.

    Right-click the Start button. Click Search.

  3. Type Windows Firewall.

  4. Click Windows Firewall.

    Type Windows Firewall. Click Windows Firewall.

  5. Click Advanced settings.

  6. Click Inbound Rules or Outbound Rules in the left frame of the window, depending on what type of rule you created.

    Click Advanced settings. Click Inbound or Outbound Rules.

  7. Click the rule you created.

  8. Click the name of the rule in the right frame of the window.

    Click the rule. Click the name of the rule.

  9. Click Disable Rule.

  10. Click Delete if you want to completely delete the rule.

    Click Disable Rule. Click Delete.

More resources

Need a bit more help with Windows Firewall and Windows 10? We have plenty of resources covering a wide range of topics.

  • How to troubleshoot and fix Windows Firewall problems
  • What you need to know about the new Windows Defender Security Center in the Creators Update
  • Windows 10 help, tips, and tricks
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How to Check Available Ports in Windows 10

Source: https://www.windowscentral.com/how-open-port-windows-firewall