W3C home > Mailing lists > Public > www-p3p-dev@w3.org > February 2004

RE: cookie sharing

From: Giles Hogben <giles.hogben@jrc.it>
Date: Wed, 18 Feb 2004 15:08:19 +0100
To: "'Steve Reeling'" <sreeling@PLANSOFT.com>, <www-p3p-dev@w3.org>
Message-ID: <000001c3f628$a9783ce0$362abf8b@cs.jrc.it>

It is not prohibited but if you set a shared cookie then the policy you
provide for it must cover all the domains it is used in.
See http://www.w3.org/TR/P3P/#cookies for a full explanation

>**-----Original Message-----
>**From: www-p3p-dev-request@w3.org 
>**[mailto:www-p3p-dev-request@w3.org] On Behalf Of Steve Reeling
>**Sent: 18 February 2004 14:26
>**To: 'www-p3p-dev@w3.org'
>**Subject: cookie sharing
>**Is there anything in P3P that prevents the sharing of the 
>**same cookie across subdomains?  example:  sales.acme.com and 
>**marketing.acme.com use the same cookie and policy.
>**I have searched through a lot of the documentation and 
>**cannot find anything, yet I have been told by a number of 
>**other developers that cookie sharing is (or will be) 
>**prohibited by P3P.
>**Any help on this is greatly appreciated.
Received on Wednesday, 18 February 2004 09:08:18 UTC

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