What are three key features of FortiAuthenticator?

FortiAuthenticator is a user and identity management solution that provides strong authentication, wireless 802.1X authentication, certificate management, RADIUS AAA (authentication, authorization, and accounting), and Fortinet Single Sign-On (FSSO). It also offers portal services for guest management, self-service password reset, and device registration. It is not a log server or an RSSO server. References: https://docs.fortinet.com/document/fortiauthenticator/6.4/release-notes