Application guide of BaroPAM solution, a multi-layer authentication solution for user identification and authentication in RADIUS environment Index 1. RADIUS authentication1.1 Introduction1.2 Configuration architecture1.3 Component1.4 Firewall Requirements2. FreeRADIUS installation and setup 2.1 FreeRADIUS installation 2.2 FreeRADIUS settings 3. BaroPAM installation and setup 3.1 Preparation bef..