nc

Check whether a remote TCP port is open

usage

--osh nc [--host] HOST [--port] PORT [-w TIMEOUT]

--host HOST

Host or IP to attempt to connect to

--port PORT

TCP port to attempt to connect to

-w SECONDS

Timeout in seconds (default: 3)

Note that this is not a full-featured netcat, we just test whether a remote port is open. There is no way to exchange data using this command.