Code:
Sep 11 13:35:04 blinky sshd[6721]: Invalid user com from 211.115.234.142
Sep 11 13:35:04 blinky sshd[6721]: pam_unix(sshd:auth): check pass; user unknown
Sep 11 13:35:04 blinky sshd[6721]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.115.234.142
Sep 11 13:35:07 blinky sshd[6721]: Failed password for invalid user com from 211.115.234.142 port 47677 ssh2
Sep 11 13:35:08 blinky sshd[6724]: Invalid user com from 211.115.234.142
Sep 11 13:35:08 blinky sshd[6724]: pam_unix(sshd:auth): check pass; user unknown
Sep 11 13:35:08 blinky sshd[6724]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.115.234.142
Sep 11 13:35:11 blinky sshd[6724]: Failed password for invalid user com from 211.115.234.142 port 47821 ssh2
Sep 11 13:35:12 blinky sshd[6727]: Invalid user com from 211.115.234.142
Sep 11 13:35:12 blinky sshd[6727]: pam_unix(sshd:auth): check pass; user unknown
Sep 11 13:35:12 blinky sshd[6727]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.115.234.142
Sep 11 13:35:14 blinky sshd[6727]: Failed password for invalid user com from 211.115.234.142 port 47908 ssh2
http://whatismyipaddress.com/ip/211.115.234.142
What is this hackery and how did they even get my server's IP in the first place.
I don't understand, it says invalid user com. Does that mean they're trying to authenticate via ssh with the username 'com'? dafuq