Network Level Content Blocking (UK)

Thu Jun 7 19:10:26 UTC 2007

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

Well, first of all Cleanfeed's not perfect. And it's not that secret
either.
http://www.cl.cam.ac.uk/~rnc1/cleanfeed.pdf

--Michael Dillon

P.S. Although I work for BT, I have no involvement with the group that
is repsonsible for Cleanfeed. All that I know about it, I learned via
Google.