reverse mapping checking getaddrinfo failed - POSSIBLE BREAK-IN
cmadams at hiwaay.net
Fri Jan 23 06:01:50 EST 2009
Once upon a time, Tiago Marques <a28427 at ua.pt> said:
> This is the full message that i'm getting:
> reverse mapping checking getaddrinfo for ***.***.***.*** failed - POSSIBLE
> BREAK-IN ATTEMPT
> I've searched google but didn't found any good answer about this. What
> exactly is happening?
Your sshd was built with tcp_wrappers, which checks for matching forward
and reverse DNS (and the connecting IP has reverse DNS that does not
resolve in forward DNS). It is really mostly a nuisance message.
Chris Adams <cmadams at hiwaay.net>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.
More information about the openssh-unix-dev