Breakin attempt in the log

[Stroganov A. V.]

Greetings

I had such logs. Solved it (and some brootforces) by moving sshd from
port 22 to 5422 or something else.

Good luck.
>  Hello,
> 
> I have thousands of similar lines in my security log each day:
> 
> 
> Jun  9 06:34:12 designaproduct sshd[58759]: reverse mapping checking getaddrinfo for ev1s-67-15-10-78.ev1servers.net failed - POSSIBLE BREAKIN ATTEMPT!
> 
> Is this something I need to fear of?
> 
> Thanks,
> 
>    Laszlo