ZSSO is a web-based Single-Sign-On system. Act as a reverse-proxy. Support J2EE/ASP/ASP.NET/PHP based background applications. With user+application / user+url access control. All background applications behind ZSSO share same users' credentials.Plus access log/access statistics. User information and credentials can be stored in database/LDAP. Changing configuration without restart SSO server. Seperate configuration parameter baed on each back-application, not whole SSO. Operating System: OS Independent (Written in an interpreted language), Windows XP, Windows 7, Windows server 2000, Windows server 2003,Windows server 2008,Linux.Muliti-language with English/Chinese.30-day money-back guarantee if not completely satisfied