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On 09/15/2011 10:08 PM, Greg Brail wrote:
> I understand and thanks for clarifying. I agree that there may be services
> that do not want to support HTTP Basic at all for their authorization
> flows and that requiring it would weaken the security of OAuth 2.0 and
> prevent its usage by some applications.

Thats why I said that whenever you have negotiation you must think
about downgrade attacks. There are ways to mitigate those - for instance
by re-examining the available methods/mechanisms once a secure channel
has been established.

        Cheers Leif
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