iptables in linux
Itamar Reis Peixoto
itamar at ispbrasil.com.br
Sat Nov 12 10:29:43 UTC 2011
On Sat, Nov 12, 2011 at 8:19 AM, Roger <arelem at bigpond.com> wrote:
> I'm learning about iptables...
> I find the same ip address sometimes 100 times or more and trying the
> same user name.
> After reading and applying much of the help in google I have tried and
> failed to achieve a successful result.
>
> for example: /var/log/btmp shows:
> user ssh:notty Thu Nov 10 17:10 - 17:10 (00:00) hn.vtc.vn
> some 30 times
> user ssh:notty Thu Nov 10 17:10 - 00:20 (1+07:10) hn.vtc.vn
> 3 times with varying duration.
> user ssh:notty Thu Nov 10 13:14 - 17:07 (03:53) 58.250.71.43
> 25 times with varying duration.
> and similar page after page.
change your ssh port
------------
Itamar Reis Peixoto
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