Tag ports

Guides, Networking, Powershell

Test-NetConnection in Windows: the PowerShell replacement for ping, telnet and tracert

Test-NetConnection is the built-in PowerShell cmdlet that answers the three questions a sysadmin asks when something on the network stops working: can I reach the host at all, is the TCP port actually open, and which path does the traffic…

Zaur Bahramov
September 5, 2026

Windows command line, Guides

NETSTAT command in Windows

When a port is unreachable, a service is not responding, or something is holding a connection open, netstat is the first command to run. It shows exactly what is listening on which port, which connections are established, which processes own…

Zaur Bahramov
April 21, 2026