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Date:      Wed, 27 Mar 2013 02:59:06 +0100
From:      "Michael Ross" <gmx@ross.cx>
To:        freebsd-questions@freebsd.org, "Daniel O'Callaghan" <danny@clari.net.au>
Subject:   Re: Client Authentication
Message-ID:  <op.wuk04sadg7njmm@michael-think>
In-Reply-To: <51523F50.3040205@clari.net.au>
References:  <B2DC7342-9F1A-489A-94F0-49802B1E5DF6@lafn.org> <20130326171812.GA20118@shellx.eskimo.com> <51521995.5080203@clari.net.au> <op.wukulmoxg7njmm@michael-think> <51523F50.3040205@clari.net.au>

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On Wed, 27 Mar 2013 01:37:36 +0100, Daniel O'Callaghan  
<danny@clari.net.au> wrote:

> On 27/03/2013 10:37 AM, Michael Ross wrote:
>>> I'm happy to share a program I wrote which slows down the brute force  
>>> attackers.
>>> It simply counts the SYN packets from a given IP and limits the rate  
>>> per minute by dropping the packet if they are coming too fast.
>>>
>>> Uses ipfw divert sockets, so would work if you prefer ipfw over pf.
>>
>> Me Me Me! ...ahem.
>> I do prefer IPFW over PF and would very much like to try it out,
>> so please do share.
> OK, here 'tis
>
> https://secure.clari.net.au/ratelimit2.tgz
>
> Danny

Thanks!

I'd like to be able to change the time window:

http://gurder.ross.cx/misc/ratelimit.patch



Regards,

Michael



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