Re: [OAUTH-WG] OAuth Bearer authentication - for proxies?

Torsten Lodderstedt <torsten@lodderstedt.net> Mon, 02 January 2012 10:00 UTC

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Date: Mon, 02 Jan 2012 11:00:40 +0100
From: Torsten Lodderstedt <torsten@lodderstedt.net>
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To: Amos Jeffries <squid3@treenet.co.nz>
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Subject: Re: [OAUTH-WG] OAuth Bearer authentication - for proxies?
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Hi,
>>>
>> Amos,
>>
>> I believe that the draft addresses the replay matters by  specifying 
>> the validity time field. Do you see a problem with that?
>
> I did not see any such validity time field in the HTTP mechanisms.  
> You mean the validity period of the token itself? that would be 
> irrelevant as the case I am raising is for software which does not 
> support Bearer specs.
>
>

Even if the software is not aware of the bearer spec, a token that 
becomes invalid after a certain time span cannot sucessfully be replayed 
any longer.

general note: I do not understand why caching proxies should impose a 
problem in case TLS is used (end2end). Could you please explain?

regards,
Torsten.