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Date:      Wed, 23 Jun 2010 21:30:39 +0200
From:      claudiu vasadi <claudiu.vasadi@gmail.com>
To:        no name <britneyfreek@googlemail.com>
Cc:        "freebsd-pf@freebsd.org" <freebsd-pf@freebsd.org>
Subject:   Re: can pf block a string ? or better, to limit it ?
Message-ID:  <AANLkTimN_9x-cQiF12bQdIjtHa7BjM6kMoEfsjcjcKLH@mail.gmail.com>
In-Reply-To: <7114830758496124649@unknownmsgid>
References:  <AANLkTima26GreX5jtmdJiR2FbNiB5O4ixN92oqxktTmb@mail.gmail.com> <7114830758496124649@unknownmsgid>

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On Wed, Jun 23, 2010 at 9:18 PM, no name <britneyfreek@googlemail.com>wrote:

> i can't recall it, was dc tcp or udp based?
>


"dc" ????


The number of  possible connections in a specific time frame does not help
if I have ~200-500 authentications requests/sec and I get 100-300 attacks
(D/DOS) per sec. I thought about that one long ago, and no matter on which
side I turn the problem, I always end up at the "impossible to filter
strings" wall.

I know iptables can do it but a couple of months ago when I was asked to
conf. a linux box I went completely mad trying to learn iptables's syntax
(god it's ugly). This is why I would prefer to avoid linux here. Plus, I'm
dealing with pf way longer than iptables and linux for that matter (it was
~6 years ago when I worked with linux last time)



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