Documentation for Password Policy Plugin
Documentation on the Password Policy Plugin, does not describe the features of the plugin. It would be nice to know what the plugin does.
https://documentation.fusiondirectory.org/en/documentation/plugin/ppolicy
On IRCm MCMic says it's something like this: http://www.zytrax.com/books/ldap/ch6/ppolicy.html
(from redmine: issue id 5282, created on 2016-12-07, closed on 2017-02-08)