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Subject: RE: [saml-dev] Confusion regarding AuthnContext

If your IdP only supports PasswordProtectedTransport and the SP requests something different, the request should fail.  You should not return a successful response that doesn’t meet the requirements of the request.  




From: bhaskar jain [mailto:bhaskar.jain2002@gmail.com]
Sent: Monday, September 21, 2009 1:13 PM
To: Scott Cantor
Cc: saml-dev@lists.oasis-open.org
Subject: Re: [saml-dev] Confusion regarding AuthnContext


"Configured on the SP side" meant that administrator could configure the AuthnContextClassRef (in our case PasswordProtectedTransport) on the SP side like some SP's allow (e.g. WebEx)


Our target are SaaS applications like salesforce and googleapps (which *do* not place any such restriction on AuthnContextClassRef) but wanted to be doubly sure before implementing an IdP which would always send 'PasswordProtectedTransport'.


What about government applications? Any idea whether they allow it to be configurable.


Thanks once again.






On Mon, Sep 21, 2009 at 10:25 PM, Scott Cantor <cantor.2@osu.edu> wrote:

bhaskar jain wrote on 2009-09-21:

> Appreciate your response. I think it was coming but still do you know of
> real-life SP's which restrict AuthnContextClass to a particular class and
> not allow it to be configurable on the SP side?

I don't know what you mean by "configure on the SP side". You can configure
an SP to ask for something specific, but you can't just set what the
resulting context is/was on the SP end.

If you're asking whether there are SPs that require particular classes,
sure, I suppose. What's your audience of SPs? There aren't generally just
"SPs in the wild" outside of a particular business context.

-- Scott


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