Tag Test-NetConnection

Guides, Powershell, Troubleshooting, Windows command line

How to check open ports on Windows: built-in tools vs Port Checker

Checking whether a port is open — on the local machine or on a remote server — comes up in almost every troubleshooting scenario involving services, firewalls, or application connectivity. Windows has two built-in tools for this: netstat in CMD…

Zaur Bahramov
May 3, 2026

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