Junior Pires escreveu:
> 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,
>
>
>   
Fala ae Junior tudo blz?

Cara eu instalei o bruteblock[1] graças a um post[2] do Celso Viana :D

Você não sabe o quanto que isso ajudou hehehe

[1] /usr/ports/security/bruteblock
[2] http://www.fug.com.br/historico/html/freebsd/2006-10/msg01026.html


Att.

-- 



--------------------------------
Carlos Anderson Jardim
Tecnologia da Informacao - Redes e Internet
Santa Casa de São José dos Campos
Linux User #403727
FUG-BR User #381
Tel.: (12) 3925-1873 - 3925-1925 


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