it this is ssh issue ?

[Andrei Pascal]

On Tue, 2007-05-22 at 14:52 +0530, Dineshwar Kumar wrote:
> Hi all,
> 
> 
> i got this entry on my server log, do anyone have idea about it. is this is
> ssh issue or DNS related problem? i try a lot in our lab but unable to get
> this error agian. I my sshd_config file UseDNS option is enable, but it
> won't any help
> 
> 
> 
> May 15 10:08:57 pub01 sshd[14316]: Accepted publickey for jwuser from
> 66.181.224.56 port 35375 ssh2
> 
> May 15 10:08:58 pub01 sshd[14316]: reverse mapping checking getaddrinfo for
> host-66-181-224-56.jwu.edu failed - POSSIBLE BREAKIN ATTEMPT!
> 
> May 15 10:10:02 pub01 sshd[14430]: Accepted publickey for jwuser from
> 66.181.224.56 port 35530 ssh2
> 
> May 15 10:10:02 pub01 sshd[14430]: reverse mapping checking getaddrinfo for
> host-66-181-224-56.jwu.edu failed - POSSIBLE BREAKIN ATTEMPT!

Hi Dinesh,


This is just a warning from ssh that the reverse lookup for the IP
jwuser connects from is different from the hostname presented by the
client. Therefore it is not a problem, not even a bug; it's a feature :)


Regards,
Andrei