Disable root connect to server by ssh-client.

After I started my server [FC4], I would be disable root connect to this server by ssh-client. This is solution .

1. Open file /etc/ssh/sshd_config

2. Uncomment this line has “PermitRootLogin yes” and change yes to no

3. Restart sshd service.

4. If you don’t want to disconnect by client (because you connect by ssh-client) you can kill sshd process by use -1 option such as

this option can help you keep connection between client&server because this command will be kill process -> reload new config -> start sshd process same sshd old process id.