This is an unfortunate naming scheme that is a long story. Simple version
is:

auth_url is what the auth plugin is using, so where the process will
authenticate to before it authenticates tokens, probably an internal url.
auth_uri is what ends up in the WWW-Authenticate: keystone-uri= header and
so should be the unversioned public endpoint.

Sorry for the confusion.

On 29 February 2016 at 22:41, Qiao, Liyong <[email protected]> wrote:

> Uri and url are different but sometime they might be same.
>
>
>
> Well ,you can see it from http://www.ietf.org/rfc/rfc3986.txt
>
> BR, Eli(Li Yong)Qiao
>
>
>
> *From:* 王华 [mailto:[email protected]]
> *Sent:* Monday, February 29, 2016 7:04 PM
> *To:* OpenStack Development Mailing List (not for usage questions) <
> [email protected]>
> *Subject:* [openstack-dev] [openstack][keystone] What is the difference
> between auth_url and auth_uri?
>
>
>
> Hi all,
>
>
>
> There are two config parameters (auth_uri and auth_url) in
> keystone_authtoken group. I want to know what is the difference between
> them. Can I use only one of them?
>
>
>
>
>
> Best Regards,
>
> Wanghua
>
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