Re: Odd issue with fail2ban

[m.roth@xxxxxxxxx]

Gé Weijers wrote:
> On Mon, Aug 13, 2012 at 9:01 AM, Leonard den Ottolander
> <leonard@xxxxxxxxxxxxxxxxx> wrote:
>> Hello Mark,
>>
>> On Mon, 2012-08-13 at 11:30 -0400, m.roth@xxxxxxxxx wrote:
>>> Aug 10 17:44:56 <my server> sshd[12350]: Connection from
>>> 114.113.199.142 port 511 871
>>> Aug 10 17:44:57 <my server> sshd[12341]: Received disconnect from
>>> 114.113.199.144 2: 11: Bye Bye
>>
>> The above looks like someone connecting then disconnecting without even
>> attempting a login.
>
> Some attack programs are too stupid to give up even if they find that
> password and keyboard interactive authentication is turned off. One
> kept trying for weeks.

Then there are the ones who don't realize that, but are the low-flyers,
that spend weeks trying to break in, but at the same time hit slowly, so
that they won't be noticed by programs like fail2ban.

       mark

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