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Date: Fri, 28 Apr 2006 16:07:50 -0300
From: Rodrigo Mufalani <rodrigo.pinto@mxm.com.br>
To: freebsd-questions@freebsd.org
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Subject: security warning -- POSSIBLE BREAKIN ATTEMPT!
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Hi,

   I see this messages on my server:

   What signicate this? Possible invasion? 


Apr 27 12:56:46 ns23 sshd[80291]: reverse mapping checking getaddrinfo for
81-196-24-250.rdsnet.ro failed - POSSIBLE BREAKIN ATTEMPT!
Apr 27 12:56:46 ns23 sshd[80292]: reverse mapping checking getaddrinfo for
81-196-24-250.rdsnet.ro failed - POSSIBLE BREAKIN ATTEMPT!
Apr 27 12:56:50 ns23 sshd[80299]: reverse mapping checking getaddrinfo for
81-196-24-250.rdsnet.ro failed - POSSIBLE BREAKIN ATTEMPT!
Apr 27 12:56:52 ns23 sshd[80298]: reverse mapping checking getaddrinfo for
81-196-24-250.rdsnet.ro failed - POSSIBLE BREAKIN ATTEMPT!
...
... 
...
211-20-134-200.hinet-ip.hinet.net failed - POSSIBLE BREAKIN ATTEMPT!
Apr 27 16:27:31 ns23 sshd[93265]: reverse mapping checking getaddrinfo for
211-20-134-200.hinet-ip.hinet.net failed - POSSIBLE BREAKIN ATTEMPT!
Apr 27 16:27:33 ns23 sshd[93267]: reverse mapping checking getaddrinfo for
211-20-134-200.hinet-ip.hinet.net failed - POSSIBLE BREAKIN ATTEMPT!
Apr 27 16:27:34 ns23 sshd[93269]: reverse mapping checking getaddrinfo for
211-20-134-200.hinet-ip.hinet.net failed - POSSIBLE BREAKIN ATTEMPT!
Apr 27 16:27:36 ns23 sshd[93274]: reverse mapping checking getaddrinfo for
211-20-134-200.hinet-ip.hinet.net failed - POSSIBLE BREAKIN ATTEMPT!
...
...
...




  



Atenciosamente,

Rodrigo Mufalani
DBA - MXM Sistemas
tel.: 32332300
www.mxm.com.br
rodrigo.pinto@mxm.com.br






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