Check status of one port on remote host [closed]

Answer 1

nc or 'netcat' also has a scan mode which may be of use.

Answer 2

Press Windows + R type cmd and Enter

In command prompt type

telnet "machine name/ip" "port number"

If port is not open, this message will display:

"Connecting To "machine name"...Could not open connection to the host, on port "port number":

Otherwise you will be take in to opened port (empty screen will display)