Windows 11 Open Ports Fixed Jun 2026

Open the , type Windows Defender Firewall with Advanced Security , and press Enter . Click on Inbound Rules in the left-hand sidebar.

This command chains together the port information with the process details, showing you the application name behind the open port.

On the left pane, click on "Inbound Rules" . Create a New Rule: In the right pane, click "New Rule..." . Choose Rule Type: Select "Port" and click Next. Specify Protocol and Port: windows 11 open ports

Connection-oriented. It ensures data is delivered accurately and in the correct order by establishing a reliable connection before transmitting.

Focuses on connection reliability. It verifies that all data packets arrive intact and in order (used for web browsing, SSH, and file transfers). Open the , type Windows Defender Firewall with

Outbound traffic (your computer connecting to the internet) is usually permitted automatically. Inbound traffic (the internet connecting to your computer) is blocked by default and requires explicit permission. How to Check Which Ports Are Currently Open

Give your rule a recognizable name (e.g., "GameServer_Port") and click Finish . Part 2: How to Check Open Ports on Windows 11 On the left pane, click on "Inbound Rules"

Before opening a port, it is crucial to know which ones are currently open to avoid redundant rules and reduce security risks. Method 1: Using Command Prompt (netstat)