сдурел чтоль за пару часов

вот те ОДНА неполная минута:
May 14 19:31:12 nara sshd[12021]: Failed password for root from 221.6.182.52 port 36334 ssh2
May 14 19:31:13 nara sshd[12097]: Received disconnect from 221.6.182.52: 11: Bye Bye
May 14 19:31:16 nara sshd[12943]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.182.52 user=root
May 14 19:31:18 nara sshd[12943]: Failed password for root from 221.6.182.52 port 36521 ssh2
May 14 19:31:18 nara sshd[13015]: Received disconnect from 221.6.182.52: 11: Bye Bye
May 14 19:31:22 nara sshd[13787]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.182.52 user=root
May 14 19:31:24 nara sshd[13787]: Failed password for root from 221.6.182.52 port 36707 ssh2
May 14 19:31:24 nara sshd[13863]: Received disconnect from 221.6.182.52: 11: Bye Bye
May 14 19:31:28 nara sshd[14722]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.182.52 user=root
May 14 19:31:30 nara sshd[14722]: Failed password for root from 221.6.182.52 port 36908 ssh2
May 14 19:31:30 nara sshd[14783]: Received disconnect from 221.6.182.52: 11: Bye Bye
May 14 19:31:33 nara sshd[15503]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.182.52 user=root
May 14 19:31:35 nara sshd[15503]: Failed password for root from 221.6.182.52 port 37078 ssh2
May 14 19:31:36 nara sshd[15564]: Received disconnect from 221.6.182.52: 11: Bye Bye
May 14 19:31:39 nara sshd[16319]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.182.52 user=root
May 14 19:31:41 nara sshd[16319]: Failed password for root from 221.6.182.52 port 37264 ssh2
May 14 19:31:41 nara sshd[16395]: Received disconnect from 221.6.182.52: 11: Bye Bye
May 14 19:31:45 nara sshd[17162]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.182.52 user=root
May 14 19:31:47 nara sshd[17162]: Failed password for root from 221.6.182.52 port 37450 ssh2
May 14 19:31:47 nara sshd[17215]: Received disconnect from 221.6.182.52: 11: Bye Bye
May 14 19:31:50 nara sshd[18024]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.182.52 user=root
May 14 19:31:52 nara sshd[18024]: Failed password for root from 221.6.182.52 port 37633 ssh2
May 14 19:31:53 nara sshd[18093]: Received disconnect from 221.6.182.52: 11: Bye Bye
May 14 19:31:56 nara sshd[18831]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.182.52 user=root
May 14 19:31:58 nara sshd[18831]: Failed password for root from 221.6.182.52 port 37812 ssh2
May 14 19:31:58 nara sshd[18907]: Received disconnect from 221.6.182.52: 11: Bye Bye