Ubuntu opens port 22

Ubuntu opens port 22

Scenario

You need to use the xshell tool to connect to the Ubuntu server via ssh. Default port 22.

result

General Connection


Command line connection

//Connect directly to ssh remote machine [email protected] through command
Or telnet 192.168.67.128 22

analyze

There is no problem with the ip and port.
Check whether the server port 22 is enabled.
lsof -i:22

//Restart is required after installation sudo apt-get install openssh-server openssh-client 


service ssh start
ssh localhost
lsof -i:22


SSH remote connection access

This is the end of this article about how to open port 22 in Ubuntu. For more information about how to open port 22 in Ubuntu, please search for previous articles on 123WORDPRESS.COM or continue to browse the following related articles. I hope you will support 123WORDPRESS.COM in the future!

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