May 6 20:00:53 64 sshd[20246]: Address 90.155.191.218 maps to host218-191-155-90.butovo.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 6 20:00:53 64 sshd[20246]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=90.155.191.218 user=root
May 6 20:00:56 64 sshd[20246]: Failed password for root from 90.155.191.218 port 3777 ssh2
May 8 08:03:54 64 sshd[128660]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.168.140.118
May 8 08:03:56 64 sshd[128660]: Failed password for invalid user temp from 81.168.140.118 port 53320 ssh2