Dec 20 19:48:08 www sshd[13276]: Address 88.161.xx.xx maps to glined.fr, but this does not map back to the address - POSSIBLE BREAKIN ATTEMPT!
Dec 20 19:48:09 www sshd[13276]: (pam_unix) check pass; user unknown
Dec 20 19:48:09 www sshd[13276]: (pam_unix) authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.161.xx.xx
Dec 20 19:48:11 www sshd[13276]: error: PAM: User not known to the underlying authentication module for illegal user test from 88.161.xx.xx
Dec 20 19:48:11 www sshd[13276]: Failed keyboard-interactive/pam for illegal user test from 88.161.xx.xx port 3440 ssh2
Dec 20 19:48:12 www sshd[13280]: WARNING: /etc/ssh/moduli does not exist, using old modulus