Linux: How to scan remote host for open ports ?

Linux : How to find a remote port is opened or not ? Helllo Team, If you are trying to findout whether a remote server port is opened or closed, then there are so many ways. Here In this article I am posting on same using telnet and nc commands. Using telnet Telnet usually holds prompt, so to avoid that, we are using echo in front of the command. > $ echo | telnet xxxxxx 22 Trying...