name id format unspecified

Qian, Yi yqian at
Fri Sep 26 10:15:41 EDT 2014

Can it be explained in little more detail or can you refer to some documents that the unspecified should not be used, I have lots of SPs are using name id format unspecified, some big name like sales force and sorry about my google skill, it did not return any useful information when I search for not using unspecified?

-----Original Message-----
From: users-bounces at [mailto:users-bounces at] On Behalf Of Cantor, Scott
Sent: Thursday, September 25, 2014 4:58 PM
To: Shib Users
Subject: Re: name id format unspecified

On 9/25/14, 5:42 PM, "Qian, Yi" <yqian at> wrote:

>I looked at the oasis saml documentation about name id format, for 
>unspecified name id format,
>URI is urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified
>There is no such
>urn:oasis:names:tc:SAML:2.0:nameid-format:unspecified, is it right?

That's correct, but the right one should also never be used either.

-- Scott

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