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Re: Modifying a DNT Header (ISSUE-153, ACTION-285)

From: Walter van Holst <walter.van.holst@xs4all.nl>
Date: Fri, 9 Nov 2012 20:26:51 +0100
Message-Id: <536ABDB6-17BC-4D7F-8196-B24B42F0A6E0@xs4all.nl>
Cc: "ifette@google.com" <ifette@google.com>, "Grimmelmann, James" <James.Grimmelmann@nyls.edu>, "public-tracking@w3.org wg" <public-tracking@w3.org>
To: David Wainberg <david@networkadvertising.org>



On 9 nov. 2012, at 19:07, David Wainberg <david@networkadvertising.org> wrote:

> I'm proposing that if a UA provides to extensions or other software access to alter the DNT header, then the UA should in some way ensure that such alterations were intended by the user and that the user understands the results. I believe it is possible for the UA to know what DNT signal it is sending and to know whether it has been changed, right? 
> 

It is my understanding it cannot know for sure. You could design a UA that would make it hard.  But that would require an approach that radically differs from all UAs out there. With zero ROI because other third party software could still alter the headers via other means than UA extension mechanisms.

Regards,

Walter
Received on Friday, 9 November 2012 19:28:50 UTC

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