Od niedawna mam w logach "autch" coś takigo:
Jan 11 09:40:39 adlan sshd[26438]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:40 adlan sshd[26448]: Invalid user christine from 216.118.117.62
Jan 11 09:40:40 adlan sshd[26448]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:40 adlan sshd[26448]: error: Could not get shadow information for NOUSER
Jan 11 09:40:40 adlan sshd[26448]: Failed password for invalid user christine from 216.118.117.62 port 33383 ssh2
Jan 11 09:40:40 adlan sshd[26448]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:41 adlan sshd[26451]: Invalid user christine from 216.118.117.62
Jan 11 09:40:41 adlan sshd[26451]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:41 adlan sshd[26451]: error: Could not get shadow information for NOUSER
Jan 11 09:40:41 adlan sshd[26451]: Failed password for invalid user christine from 216.118.117.62 port 33645 ssh2
Jan 11 09:40:41 adlan sshd[26451]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:43 adlan sshd[26460]: Invalid user christine from 216.118.117.62
Jan 11 09:40:43 adlan sshd[26460]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:43 adlan sshd[26460]: error: Could not get shadow information for NOUSER
Jan 11 09:40:43 adlan sshd[26460]: Failed password for invalid user christine from 216.118.117.62 port 33889 ssh2
Jan 11 09:40:43 adlan sshd[26460]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:44 adlan sshd[26463]: Invalid user christine from 216.118.117.62
Jan 11 09:40:44 adlan sshd[26463]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:44 adlan sshd[26463]: error: Could not get shadow information for NOUSER
Jan 11 09:40:44 adlan sshd[26463]: Failed password for invalid user christine from 216.118.117.62 port 34139 ssh2
Jan 11 09:40:44 adlan sshd[26463]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:45 adlan sshd[26470]: Invalid user claire from 216.118.117.62
Jan 11 09:40:46 adlan sshd[26470]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:46 adlan sshd[26470]: error: Could not get shadow information for NOUSER
Jan 11 09:40:46 adlan sshd[26470]: Failed password for invalid user claire from 216.118.117.62 port 34405 ssh2
Jan 11 09:40:46 adlan sshd[26470]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:47 adlan sshd[26473]: Invalid user claire from 216.118.117.62
Jan 11 09:40:47 adlan sshd[26473]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:47 adlan sshd[26473]: error: Could not get shadow information for NOUSER
Jan 11 09:40:47 adlan sshd[26473]: Failed password for invalid user claire from 216.118.117.62 port 34666 ssh2
Jan 11 09:40:47 adlan sshd[26473]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:48 adlan sshd[26481]: Invalid user claire from 216.118.117.62
Jan 11 09:40:48 adlan sshd[26481]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:48 adlan sshd[26481]: error: Could not get shadow information for NOUSER
Jan 11 09:40:48 adlan sshd[26481]: Failed password for invalid user claire from 216.118.117.62 port 34925 ssh2
Jan 11 09:40:48 adlan sshd[26481]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:50 adlan sshd[26483]: Invalid user claire from 216.118.117.62
Jan 11 09:40:50 adlan sshd[26483]: Excess permission or bad ownership on file /var/log/btmp
Jan 11 09:40:50 adlan sshd[26483]: error: Could not get shadow information for NOUSER
Jan 11 09:40:50 adlan sshd[26483]: Failed password for invalid user claire from 216.118.117.62 port 35182 ssh2
Jan 11 09:40:50 adlan sshd[26483]: Excess permission or bad ownership on file /var/log/btmp
Wiem ze ktoś prawdopodobnie skanuje wszyskie porty i probuje znależć hasło
Jak się pozbyć takiego delikwenta?
Proszę o pomoc !!!