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Date: Wed, 20 Jul 2005 14:03:43 -0600
From: Chris Jones <cdjones@novusordo.net>
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To: Todor Dragnev <todor.dragnev@gmail.com>
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Cc: freebsd-isp@freebsd.org
Subject: Re: ssh brute force
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Todor Dragnev wrote:

>I want to block ssh dictionary attack with freebsd. 
>[...]
>Is it posible to make in this way with ipfw, ipf or pf on freebsd ?
>  
>

I'm looking at having a script look at SSH's log output for repeated 
failed connection attempts from the same address, and then blocking that 
address through pf (I'm not yet sure whether I want to do it temporarily 
or permanently).