[97309] in North American Network Operators' Group

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Re: Network Level Content Blocking (UK)

daemon@ATHENA.MIT.EDU (James Blessing)
Thu Jun 7 11:25:09 2007

Date: Thu, 07 Jun 2007 16:22:12 +0100
From: James Blessing <james.blessing@entagroup.com>
Cc: nanog <nanog@merit.edu>
In-Reply-To: <DE2647DE-FD99-4D7C-A624-E66DD81EDDE6@ca.afilias.info>
Errors-To: owner-nanog@merit.edu


Joe Abley wrote:

> Anyway, how does BT's cleanfeed work? How are British 3G operators doing
> equivalent blocking? I'd be interested in learning about the
> implementation.

There is an excellent paper on the failures of clean feed here:

http://www.cl.cam.ac.uk/~rnc1/cleanfeed.pdf

J

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