Fortress was first contributed in 2011 to the OpenLDAP Foundation1 and moved to the Apache Directory project in 2014.2
Fortress provides security functions via APIs corresponding to the standards implemented. For example, its RBAC API design mimics the functional specifications of ANSI INCITS 359 with function names, entities being the same.
"Request for Contribution of Identity Access Management Software to OpenLDAP Project". OpenLDAP Foundation. 15 July 2011. Retrieved 20 April 2016. http://www.openldap.org/its/index.cgi/Contrib?id=6995;expression=fortress;statetype=-1#themesg ↩
"Notice to donate Fortress to the Apache Directory Project". Apache Software Foundation. 16 September 2014. Retrieved 20 April 2016. https://mail-archives.apache.org/mod_mbox/directory-dev/201409.mbox/%3C54181FD6.1060200%40att.net%3E ↩