Change SSH port
First you need to go to the settings of the /usr/lib/systemd/system/sshd.socket file and open it in a text editor
Next, find the ListenStream option and change the port to the new SSH port of your choice. Then you need to save the file
If you use a firewall on your server, you must first allow access to the new SSH port. To do this, restart the SSH daemon while using systemctl
systemctl restart sshd.socket
The SSH server will restart and will now listen on the new port.
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