On Jan 25, 2023, at 9:49 AM, Eliot Lear <l...@lear.ch> wrote:
> 
> In thinking about this flow, the real issue boils down to this:
> 
> If the user is going to use 2FA, then the peer needs to know in advance.  If 
> the peer tries to use Basic Auth and server won't accept it, it should simply 
> produce an error.  That's the simplifying flow.
> 
> If the peer doesn't know that 2FA is to be used, then the mechanics of all of 
> this become a mess.

  It's also that the server doesn't know what authentication method to use, 
because it doesn't know anything about the user until it's chosen the "wrong" 
method.

  Alan DeKok.

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