Okay guys, the log if filling with
sshd[20117]: Invalid user pi from 142.93.118.186 port 50416 sshd[20117]: input_userauth_request: invalid user pi [preauth] sshd[20117]: Received disconnect from 142.93.118.186 port 50416:11: Bye Bye [preauth] sshd[20117]: Disconnected from 142.93.118.186 port 50416 [preauth] sshd[20119]: Invalid user cubie from 5.189.227.161 port 39772 sshd[20119]: input_userauth_request: invalid user cubie [preauth] sshd[20119]: Received disconnect from 5.189.227.161 port 39772:11: Bye Bye [preauth] sshd[20119]: Disconnected from 5.189.227.161 port 39772 [preauth] sshd[20121]: Invalid user guest from 208.68.37.169 port 42858