Binary package “libapache2-mod-dacs” in ubuntu bionic

Distributed Access Control System (DACS) - Apache Module

 DACS is a light-weight single sign-on and role-based access control system
 for web servers and server-based software. It is also an authentication and
 authorization toolkit for programmers. DACS makes secure resource sharing
 and remote access via the web easier, safer, and more efficient.
 This package contains the Apache2 module.