Download: Portqry !!top!!

portqry -n 192.168.1.10 -p tcp -r 1:1024

No installation needed — just place portqry.exe (or portqry64.exe on modern systems) in C:\Windows\System32 or a folder in your PATH . download portqry

⚠️ Only download from microsoft.com or trusted mirrors (e.g., GitHub Microsoft archive repos). portqry -n 192

PortQry is a command-line utility that serves as a troubleshooting tool for TCP/IP connectivity issues. It allows administrators to query specific ports on remote computers to verify availability and service status. Unlike standard Telnet tests, PortQry can distinguish between LISTENING , FILTERED , and NOT LISTENING states. PortQry can distinguish between LISTENING

Once you've downloaded PortQry, follow these steps to use the tool: