Windows 11 provides several built-in administrative tools to view active network connections and listening ports without requiring third-party software. Method 1: Using the Netstat Command in Command Prompt
You will see a clean, sortable table containing the executable name, PID, address, protocol, and firewall status for every open port. Mapping Ports to Processes: Identifying the Source windows 11 open ports
The most widely used command:
: Opening a port in Windows Firewall only allows traffic through the computer . If you want people outside your home network to connect, you must also set up Port Forwarding on your physical router. How to add a rule or port to a Windows 11 firewall Windows 11 provides several built-in administrative tools to
: Keep Domain, Private, and Public checked unless you want to limit the rule to specific networks . If you want people outside your home network
New-NetFirewallRule -DisplayName "Block port 445" ` -Direction Inbound ` -LocalPort 445 ` -Protocol TCP ` -Action Block
Alternatively, you can find the application directly inside the command prompt by typing: tasklist /fi "pid eq [INSERT_PID_NUMBER]" Use code with caution. How to Close Unwanted Open Ports
