Support unified user authentication of full IPSEC, SSL and VPDN, and realize one-time configuration of user list for all VPN types of access;Support SAML cross domain authentication, support single sign on, and intelligent filling of application users and passwords. Single sign on can be achieved without presetting user and password filling lists;Support the binding of users with mobile phone numbers, PC hardware signatures, IP, MAC and other hardware information;Support password security policies, including first login password modification, password composition strategy, enabling soft keyboard, additional code, etc., anti brute force cracking (including locking and unlocking strategies), SMS anti malicious sending, etc.One device supports 10000 point authorization.