[FUG-BR] [OFF TOPIC] Scanner.

[Junior Pires]

Bom dia pessoal, dando uma olhada em meus logs, percebi uma coisa estranha
que foi a seguinte mensagem:

Nov 26 10:41:49 mail sshd[87036]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:41:57 mail sshd[87047]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:02 mail sshd[87049]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:07 mail sshd[87051]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:12 mail sshd[87053]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:17 mail sshd[87055]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:22 mail sshd[87057]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:29 mail sshd[87059]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:34 mail sshd[87061]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:41 mail sshd[87063]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:46 mail sshd[87065]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:51 mail sshd[87067]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:42:57 mail sshd[87069]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:43:02 mail sshd[87071]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:43:07 mail sshd[87073]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:43:12 mail sshd[87075]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:43:18 mail sshd[87077]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:43:23 mail sshd[87079]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:43:28 mail sshd[87081]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!
Nov 26 10:43:34 mail sshd[87083]: reverse mapping checking getaddrinfo for
dsl-nbas239.bti.net.ph
failed - POSSIBLE BREAKIN ATTEMPT!



Isso seria o trabalho de um scanner? O que fazer nesse caso?



Grato desde já,


-- 
Junior Pires
Assistente de Informáica
CPD
Gujão Alimentos.
Tel: (75) 3244-2121 (Ramal 202).


-- 
Esta mensagem foi verificada pelo sistema de antivírus e
 acredita-se estar livre de perigo.