http://docs.openstack.org/security-guide/identity/checklist.html
Audit Name: TNS OpenStack Keystone/Identity Security Guide
Category: ACCESS CONTROL
References: 800-53|AC-6(5), CSCv6|5.1
Plugin: Unix
Control ID: 6e416126f760d5a011ec8fdb08dfdf8b713a566255d41c874fc744f921de471f