Windows 11 Open Ports !new! Now

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

Quick PowerShell commands cheat-sheet

Let's walk through the process of creating an inbound rule to allow traffic on port 1433 for SQL Server.

PowerShell offers a cleaner, modern way to filter for open ports. windows 11 open ports

Click on in the left-hand sidebar. This opens the Windows Defender Firewall with Advanced Security window. In the left pane, click on Inbound Rules .

Discovering that a port is open is only half the battle; you must determine which application opened it to ensure it is legitimate.

Think of your computer’s IP address as a building, and ports as the numbered doors into that building. Have you found any surprising open ports on

In conclusion, Windows 11 open ports are a crucial aspect of computer networking, enabling communication between devices and applications. While open ports are necessary, they also pose security risks if not managed effectively. By understanding how to check and manage open ports, you can ensure the security and integrity of your device. Remember to follow best practices, such as only opening necessary ports, closing unused ports, and using a firewall to control incoming and outgoing traffic.

: For outgoing connections, Windows 11 uses a default dynamic range of 49152 to 65535 Firewall Profiles : Rules can be applied to three specific network profiles: (workplace), (trusted home networks), and (untrusted spots like coffee shops). Microsoft Support Commonly Used & Pre-configured Ports Description HTTP / HTTPS Standard web traffic; 443 is encrypted. SMB (File Sharing) Used for file and printer sharing. Used for client-server communication. Resolves domain names to IP addresses. Remote Desktop Protocol for remote access. Managing Ports in Windows 11

Get-NetTCPConnection -State Listen

Get-NetTCPConnection -LocalPort 443

For remote checking: Test-NetConnection -ComputerName remote-pc -Port 3389