Windows 11 Open Ports Jun 2026

Press Win + S and type "Windows Defender Firewall with Advanced Security" and click the top result.

: When creating a rule, specify the exact port rather than selecting "All local ports" to keep your system secure . windows 11 open ports

Then correlate OwningProcess with process: Press Win + S and type "Windows Defender

If you want, I can:

Before modifying your firewall settings, you should audit your system to see which ports are already active and listening for connections. Method A: Using Command Prompt (netstat) windows 11 open ports