Breakin attempt in the log

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

Re: Breakin attempt in the log

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? The short reply: No, but that something that the ISP ev1servers.net should clear of if they don't want

Re: Breakin attempt in the log

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