On Feb 3, 2014, at 10:58 AM, Dobbins, Roland <rdobb...@arbor.net> wrote:

> I'm a big believer in using ACLs to intelligently preclude 
> reflection/amplification abuse, but wholesale filtering of all UDP takes 
> matters too far, IMHO.

I also think that restricting your users by default to your own recursive DNS 
servers, plus a couple of well-known, well-run public recursive services, is a 
good idea - as long as you allow your users to opt out.

This has nothing to do with DDoS, but with other types of issues.

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Roland Dobbins <rdobb...@arbor.net> // <http://www.arbornetworks.com>

          Luck is the residue of opportunity and design.

                       -- John Milton


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