A port is a gateway on a computer through which a connection is established. To test the network and Internet connection in your business, test the connection port using the Telnet utility in Windows.

Port Query (PortQry.exe) is a command-line utility in the Windows operating system that you can use to help troubleshoot TCP/IP connectivity issues. The tool reports the port status of TCP and UDP ...

Telnet is a network protocol that offers a command-line interface for Windows. Telnet is often used to communicate with other devices. In some cases, the protocol might be used for remote system ...