> -----Original Message-----
> From: Cantor, Scott [mailto:[email protected]]
> Sent: Thursday, March 15, 2012 7:58 AM
> To: Jim Schaad; Sam Hartman; [email protected]
> Cc: [email protected]
> Subject: RE: [abfab] I-D Action: draft-ietf-abfab-aaa-saml-03.txt
> 
> > 1.  Do we have any other examples where we might have a SAML
> > requester/responder other than the case of the RP/IdP?  If so, it
> > might be wise to mention at least one other case in the introductory
> > paragraph in section 1.  Otherwise it might be easier to just say that
> > we are sending messages between the RP and the IdP and not generalize
> > it.  Can anybody see a reason that one might want to reverse the
> > endpoints?  So that the RP becomes the server and the IdP the client???
> 
> Any binding should be left generically defined as SAML requester and
> responder, even if you don't specifically have a use case to hand. It's
just the
> right layering. But aside from that, I can at least point to some
protocols that
> could be useful and would reverse the flows. NameID mgmt, ID mapping,
> and the Oracle Change-Notify proposal would all be possible flows that
> reverse the roles.
> 
> But whether that's possible in ABFAB I don't know.
> 
> > 8.  In section 5.4.1 paragraph 3 - I am not sure how this section
> > interacts with the ability of an IdP to return a Pseudonymous
> > identifier.  Are you stating that the identifier must already exist,
> > or just that the policy for creating the identifier must already exist
> > in the case AllowCreate is set to "false".
> 
> That text is probably somewhat ill-advised. It most likely got copied from
the
> original browser SSO profile, and I never wanted it there either. It's
repeating
> SAML core rules, and I don't like repeating spec language. But to answer
your
> question, for more ill-advised reasons, there's a flag in SAML with a very
poor
> default that's used to specifically limit the IdP from manufacturing an
> identifier for a user if the identifier doesn't already exist. If
AllowCreate is
> false, the IdP is supposed to fail rather than mint new state between
itself
> and the SP.

Based on this would you be in favor of adding the statement that AllowCreate
SHOULD be set to true?

Jim

> 
> -- Scott

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