Windows 11 Open Ports Patched Guide

This provides a clean, readable table of local ports, remote addresses, and owning processes.

If a specific app (like a game server or remote desktop tool) isn't working, you may need to manually open a port through the Windows Defender Firewall How to Open Ports in Windows 10 and Windows 11 Firewall

You cannot “close” a port directly; instead, you stop the service or application that is listening on it, or block it with Windows Defender Firewall.

Further reading:

This forwards traffic arriving on port 8080 to another local IP address (useful for WSL2 or virtual machines).

The Ultimate Guide to Checking and Managing Open Ports in Windows 11

In this guide, we’ll walk you through how to check for open ports in Windows 11, identify which apps are using them, and how to close them to harden your security. windows 11 open ports

Netstat (local listeners)

Have you found any surprising open ports on your Windows 11 machine? Let us know in the comments below!

(Wi-Fi, hotel, airport) increase exposure. This provides a clean, readable table of local

Open ports are not a flaw—they are a feature of network communication. The risk lies in unnecessary or forgotten ports that provide hidden entry points. Windows 11 provides robust tools to inventory, monitor, and block ports. By routinely checking listening ports with netstat , disabling unused services, and configuring the firewall, you can significantly harden your system against remote attacks. Remember: every open port should have a clear, justified purpose. If it doesn’t, close it.

The number following the colon after your IP address is the open port number (e.g., 127.0.0.1:443 means port 443 is open).