Re: [http-state] draft-ietf-httpstate-cookie-05 posted

"Yngve N. Pettersen (Developer Opera Software ASA)" <yngve@opera.com> Mon, 15 March 2010 09:54 UTC

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To: "Adam Barth" <ietf@adambarth.com>
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Date: Mon, 15 Mar 2010 10:54:39 +0100
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From: "Yngve N. Pettersen (Developer Opera Software ASA)" <yngve@opera.com>
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Subject: Re: [http-state] draft-ietf-httpstate-cookie-05 posted
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On Mon, 15 Mar 2010 07:06:40 +0100, Adam Barth <ietf@adambarth.com> wrote:

> On Sun, Mar 14, 2010 at 5:00 PM, Yngve N. Pettersen (Developer Opera
> Software ASA) <yngve@opera.com> wrote:
>> On Sun, 07 Mar 2010 19:50:57 +0100, Adam Barth <ietf@adambarth.com>  
>> wrote:
>>
>>> My understanding is that Monday is the deadline for uploading I-Ds
>>> before IETF77.  I've uploaded the latest version of the draft:
>>>
>>> http://www.ietf.org/id/draft-ietf-httpstate-cookie-05.txt
>>>
>>> If you're going to IETF77, this is the version of the draft that we'll
>>> be discussing.  Looking forward to seeing many of you there.
>>
>> Yet another possible issue, not sure if it has been mentioned in the  
>> group
>> before (I have discussed it with others off-list):
>>
>> * cookie-name should not be allowed to start with "$". I would prefer a  
>> MUST
>> NOT, but a SHOULD NOT might be sufficient.
>
> Do you mean that servers SHOULD NOT send cookie names that start with
> $ or are you recommending some conformance requirement for user
> agents?

Mostly as a server requirement.

Unless the requirement on servers is MUST NOT, it is not possible to add a  
requirement for clients. Although, if there is also text saying that  
clients MAY refuse cookies with names starting with $, that would  
certainly emphasize the point (and would be useful for clients supporting  
RFC 2965 or the proposed $Origin attribute).

RFC 2109 also says about name

       NAMEs that begin with $ are reserved for
       other uses and must not be used by applications.

Admittedly it is only only using small letters, but maybe it is time to  
strengthen that language?




-- 
Sincerely,
Yngve N. Pettersen

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