Get-NetTCPConnection -State Listen | Select-Object LocalAddress, LocalPort, State, OwningProcess Use code with caution. Part 2: Step-by-Step Guide to Opening Ports in Windows 11
Mastering port management on Windows 11 is a core skill for maintaining both a functional and secure system. By using the netstat command and PowerShell to audit your open ports, you gain visibility into what services are running. By understanding the security risks of ports like 445 and 7680, you can make informed decisions to reduce your attack surface. Finally, by learning to create granular, custom rules in the Windows Defender Firewall, you can ensure your necessary applications work perfectly without ever compromising your computer's safety by turning off its protective barriers.
Select "Allow the connection" and click Next.
If you need to open a port for a specific application or service, you can use the following methods:
opening these ports on Public network profiles: RDP (3389), SMB (445, 139), NetBIOS (137-138), or any remote management ports. If remote access is necessary, use a VPN or modern secure remote access solution like Microsoft Remote Desktop Gateway.
: For a more detailed, real-time view, Microsoft recommends the TCPView utility from Sysinternals, which provides a comprehensive GUI for monitoring connections. How to Open a Port (Firewall Exception)
Opening ports unnecessarily can expose your PC to unauthorized access.