New-NetFirewallRule -DisplayName "MyAppPort" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 12345
Some ports on a Windows system are frequently targeted by malware and hackers.
You will see a list of rows. Look for the column marked as LISTENING .
If you want, I can:
Get-NetTCPConnection -State Listen | Select-Object LocalAddress, LocalPort, OwningProcess Use code with caution. Step 2: How to Open a Port in Windows 11 Firewall
Network ports act as digital communication channels for your computer. Windows 11 secures these ports by default using a built-in firewall. However, specific applications like multiplayer games, web servers, and remote desktop tools require you to open specific ports to function correctly.
Terminate the process using:
For a visual, GUI-based approach:
The IP address and corresponding port number (e.g., 127.0.0.1:443 ) currently in use.
-n displays addresses and port numbers in numerical form (preventing slow DNS lookups). windows 11 open ports
How to view the list of open ports in Windows - Kaspersky Support
In the left sidebar, click . This opens the Windows Defender Firewall with Advanced Security window. Step 2: Create a New Inbound Rule