Posts Tagged ‘port’

Check if port on remote server is open without using telnet

June 13, 2017

If you want to check if a given port is open on a given remote server, you can use telnet. More and more telnet disappears on server. So the question arises: What can we use instead of telnet? Short answer: netcat. For example:

nc -zv 22

Which checks if the port 22 (SSH) is open on the server