Aug 30 08:59:27 ubuntu sshd[17555]: error: Received disconnect from 207.173.82.6                                                                                                                                                             8 port 37959:13: Unable to authenticate [preauth]
Aug 30 08:59:27 ubuntu sshd[17555]: Disconnected from 207.173.82.68 port 37959 [                                                                                                                                                             preauth]