Single sign-on system for application program

摘要

The present invention discloses a single sign-on system for remotely operating an application program via a network. With the present invention, a user may operate a client computer, which connects and signs on to a single sign-on server to retrieve sign-on information. Then, the client computer connects and signs on to an application program server with the sign-on information, and updates the sign-on information saved in the single sign-on server by sending the sign-on information back to the single sign-on server.