서버는버벅대고 봇들은 하두들어와서

오랜만에.......는아니고 몇년간 처음으로.... 로그를 보니

ssh쪽으로 공격흔적이있네요

그냥 포트만 열려있으면 패스워드무작위로 대입해오는 공격이라

흔하다보면 흔한거겠지만 관심있는분이 좀 관리해주세요용~

http://blog.naver.com/lemonaroma98/60021962163 참고

저는 20000

사랑합니다후배님들

Jan  3 23:56:36 blending sshd[24903]: reverse mapping checking getaddrinfo for static-52-53.mk-net.ru failed - POSSIBLE BREAK-IN ATTEMPT!
Jan  3 23:56:36 blending sshd[24903]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.211.52.53  user=root
Jan  3 23:56:38 blending sshd[24903]: Failed password for root from 91.211.52.53 port 58258 ssh2
Jan  3 23:56:38 blending sshd[24904]: Received disconnect from 91.211.52.53: 11: Bye Bye
Jan  3 23:56:40 blending sshd[24908]: reverse mapping checking getaddrinfo for static-52-53.mk-net.ru failed - POSSIBLE BREAK-IN ATTEMPT!
Jan  3 23:56:40 blending sshd[24908]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.211.52.53  user=root
Jan  3 23:56:42 blending sshd[24908]: Failed password for root from 91.211.52.53 port 59790 ssh2
Jan  3 23:56:43 blending sshd[24909]: Received disconnect from 91.211.52.53: 11: Bye Bye
Jan  3 23:56:45 blending sshd[24910]: reverse mapping checking getaddrinfo for static-52-53.mk-net.ru failed - POSSIBLE BREAK-IN ATTEMPT!
Jan  3 23:56:45 blending sshd[24910]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.211.52.53  user=root
Jan  3 23:56:47 blending sshd[24910]: Failed password for root from 91.211.52.53 port 33119 ssh2
Jan  3 23:56:47 blending sshd[24911]: Received disconnect from 91.211.52.53: 11: Bye Bye
Jan  3 23:56:49 blending sshd[24913]: reverse mapping checking getaddrinfo for static-52-53.mk-net.ru failed - POSSIBLE BREAK-IN ATTEMPT!
Jan  3 23:56:49 blending sshd[24913]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.211.52.53  user=root
Jan  3 23:56:52 blending sshd[24913]: Failed password for root from 91.211.52.53 port 34492 ssh2
Jan  3 23:56:52 blending sshd[24914]: Received disconnect from 91.211.52.53: 11: Bye Bye
Jan  3 23:56:55 blending sshd[24915]: reverse mapping checking getaddrinfo for static-52-53.mk-net.ru failed - POSSIBLE BREAK-IN ATTEMPT!
Jan  3 23:56:55 blending sshd[24915]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.211.52.53  user=root
Jan  3 23:56:57 blending sshd[24915]: Failed password for root from 91.211.52.53 port 36243 ssh2