api-endpoint-configuration-recommendations sugguest information leakege

[Attila Fazekas]

The internal endpoints was never meant to be used by openstack services itself.

https://bugs.launchpad.net/keystone/+bug/1271288/comments/5

The orignal idea behind the internal endpoints was for using them
for differently priced bandwidth usage,
using it by openstack internally definitely not a best practice !

e-mail thread:
https://<email address hidden>/msg108541.html

doc:
https://github.com/openstack/security-doc/blob/master/security-guide/source/api-endpoints/api-endpoint-configuration-recommendations.rst