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Date: Wed, 20 Sep 2006 09:55:08 -0400
From: Elijah Savage <esavage@reyrey.net>
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To: Joao Barros <joao.barros@gmail.com>
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References: <20060919165400.A4380@prime.gushi.org>
	<70e8236f0609191412p5779d94cqa16df5631f4de916@mail.gmail.com>
Cc: questions@freebsd.org
Subject: Re: sshd brute force attempts?
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Joao Barros wrote:
> On 9/19/06, Dan Mahoney, System Admin <danm@prime.gushi.org> wrote:
>> Hey all,
>>
>> I've looked around and found several linux-centric things designed to
>> block brute-force SSH attempts.  Anyone out there know of something a 
>> bit
>> more BSD savvy?
>>
>> My best attempt will be to get this:
>>
>> http://www.csc.liv.ac.uk/~greg/sshdfilter/index_15.html
>>
>> running and adapt it.
>>
>> I've found a few things based on openBSD's pf, but that doesn't seem 
>> to be
>> the default in BSD either.
>>
>> Any response appreciated.
>>
>
> I'm using BruteForceBlocker quite successfully.
> I take the opportunity to thank danger for it :-)
>
> http://www.freshports.org/security/bruteforceblocker/
>
I use /usr/ports/security/denyhost

It was very easy to install and setup the config file is commented so 
well and has so many different parameters. I get reports like this 
anytime my thresholds are crossed.

Added the following hosts to /etc/hosts.deniedssh:

124.107.6.37 (124.107.6.37.pldt.net)