Re: Cross Site Cooking

[Tim Nelson <security () webalive biz>]

On Fri, 3 Feb 2006, Glynn Clements wrote:

> > We are investigating ways to improve on this method, but as far as I can
> > tell, any improvement will require a coordinated effort by all the gTLD
> > and ccTLD registries.
>
> Any improvement will require that browsers only pass cookies to
> domains which are explicitly permitted by the setter, and pass the
> setter domain to all recipients alongside the cookie. IOW, a protocol
> change. Anything else is papering over the cracks.

	What about using DNS records, either a new kind, or something 
TXT-based (like SPF).  Maybe we could have it so that the domain owner 
could make an allow cookies record, with a list of matching domains, and 
if it doesn't exist, then the browser will only allow the cookie to be set 
for the full domain, not a subset of it.

        ?  :)

--
Kind Regards,
 
Tim Nelson
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