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Date:      Fri, 15 Dec 2006 09:27:43 -0600
From:      Josh Paetzel <josh@tcbug.org>
To:        freebsd-net@freebsd.org
Cc:        Benjamin Adams <freebsdworld@gmail.com>
Subject:   Re: stop bittorrents
Message-ID:  <200612150927.43706.josh@tcbug.org>
In-Reply-To: <20061215022532.GJ1038@gremlin.foo.is>
References:  <6199c3dc0612140941n48832de0id6710f3f3e98345d@mail.gmail.com> <f85d6aa70612141608i3df93d3cp1b2a6e7d8b1e13e7@mail.gmail.com> <20061215022532.GJ1038@gremlin.foo.is>

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On Thursday 14 December 2006 20:25, Baldur Gislason wrote:
> Most of the torrent clients do encrypted sessions nowadays so they
> really are impossible to detect by simply parsing the packets.
>
> Baldur
>
> On Fri, Dec 15, 2006 at 02:08:41AM +0200, Ivo Vachkov wrote:
> > I'm not familiar with bittorrent protocol but I guess you can
> > always implement simple L7 filter using ipfw rules to divert
> > packets to a custom daemon that can parse the data and drop
> > torrent packets. I did something similar for ICQ several years
> > ago.
> >
> > On 12/14/06, Julian H. Stacey <jhs@flat.berklix.net> wrote:
> > >> Thus you'd still achieve your ideal of
> > >> avoiding spending money rather than your time on it :-)
> > >
> > >Sorry, I wrote that wrongly, I meant:
> > >  Thus you'd still spend money & still save spending your own
> > > work time on it.
> > >
> > >--

Probably the simplest pain free solution I can think of is to get a 
linksys WRT54G-L and flash it with DD-WRT firmware.  Comes with a 
nifty drop-down menu in the access control page that allows you to 
block things by service.  Not entirely sure *how* it works, but it 
seems to be very effective at blocking at the application 
layer....including bt and even skype.

-- 
Thanks,

Josh Paetzel



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