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Date:      Thu, 18 Sep 2008 08:43:12 +0200
From:      "DA Forsyth" <d.forsyth@ru.ac.za>
To:        freebsd-questions@freebsd.org
Cc:        scrappy@hub.org
Subject:   Re: Auto blacklist ssh connections ...
Message-ID:  <48D214A0.22210.286EBBC7@d.forsyth.ru.ac.za>
In-Reply-To: <20080917231649.2830810656BF@hub.freebsd.org>
References:  <20080917231649.2830810656BF@hub.freebsd.org>

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On 17 Sep 2008 , freebsd-questions-request@freebsd.org entreated 
about
 "freebsd-questions Digest, Vol 233, Issue 7":

> Does anyone know of a utility that I can use with sshd to auto-block by IP if
> there are more then N failed attempts in a row?

yes, 'pf' the packet filter.
http://home.nuug.no/~peter/pf/en/bruteforce.html
(but you really should read the tutorial from the beginning)


--
       DA Fo rsyth            Network Supervisor
Principal Technical Officer -- Institute for Water Research
http://www.ru.ac.za/institutes/iwr/





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