Patent ID: 7003549
Filing Date: 2006-02-21
Classification: H04L,Y10S

Abstract:
1. A network system for connecting a client to a server via the Internet, wherein when a log-in ID transmitted by said client matches a log-in ID stored in said server, said client receives permission to log in to said server; wherein said server and client each have: a system clock; system clock synchronous means for synchronizing the system clock to the Internet Standard Time; storing means for arranging and storing a plurality of log-in IDs for mutually authenticating said server and client; and log-in ID changing means for searching at predetermined intervals from the top to the bottom of the plurality of log-in IDs stored in said storing means, and for every search updating a log-in ID as the most current log-in ID, wherein the log-in ID changing means of the server and the client are synchronized by the respective system clock synchronous means.