Sep 26 13:17:14 server sshd[5902]: Invalid user admin from 202.37.181.24
Sep 26 13:17:14 server sshguard[5312]: Matched IP address 202.37.181.24
Sep 26 13:17:17 server sshd[5907]: Invalid user prueba from 202.37.181.24
Sep 26 13:17:17 server sshguard[5312]: Matched IP address 202.37.181.24
Sep 26 13:17:22 server sshd[5912]: Invalid user prueba from 202.37.181.24
Sep 26 13:17:22 server sshguard[5312]: Matched IP address 202.37.181.24
Sep 26 13:17:25 server sshd[5917]: Invalid user prueba from 202.37.181.24
Sep 26 13:17:26 server sshguard[5312]: Matched IP address 202.37.181.24
Sep 26 13:17:26 server sshguard[5312]: Blocking 202.37.181.24: 4 failures over 12 seconds.
Sep 26 13:17:26 server sshguard[5312]: Setting environment: SSHG_ADDR=202.37.181.24;SSHG_ADDRKIND=4;SSHG_SERVICE=100.
Sep 26 13:17:26 server sshguard[5312]: Run command "case $SSHG_ADDRKIND in 4) exec /sbin/iptables -A sshguard -s $SSHG_ADDR -j DROP ;; 6) exec /sbin/ip6tables -A sshguard -s $SSHG_ADDR -j DROP ;; *) exit -2 ;; esac": exited 0.

ибо нефиг.

оригинал можно прочитать на http://akademic.name