DNS and nxdomain hijacking

Livingood, Jason Jason_Livingood at cable.comcast.com
Wed Nov 6 13:57:33 UTC 2013

On 11/5/13, 11:01 PM, "Mark Andrews" <marka at isc.org> wrote:

>In message <20131106033003.GB6728 at dyn.com>, Andrew Sullivan writes:
>> On Tue, Nov 05, 2013 at 07:57:59PM -0500, Phil Bedard wrote:
>> > 
>> > I think every major residential ISP in the US has been doing this for
>> > years now.
>> Comcast doesn't, because it breaks DNSSEC.
>Only if you are validating.

Exactly. And this was one of the central arguments that helped defeat the
DNS redirection portions of SOPA/PIPA/ProtectIP/COICA.


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