CERTIFICATION ACCESS CONTROL SERVER DEVICE, GATEWAY DEVICE, CERTIFICATION ACCESS CONTROL METHOD, GATEWAY CONTROL METHOD, CERTIFICATION ACCESS CONTROL PROGRAM AND RECORDING MEDIUM WITH THE PROGRAM RECORDED THEREON, AND GATEWAY CONTROL PROGRAM AND RECORDING MEDIUM WITH THE PROGRAM RECORDED THEREON

摘要

PROBLEM TO BE SOLVED: To provide a single sign-on achieving high security strength, independence of the kind of a server, and difficulty of generation of throughput reduction.;SOLUTION: A gateway function is separated from a conventional reverse proxy type certification access control server device to set a dedicated gateway device capable of conducting hardware processes of packet filtering based on IP addresses, port numbers, etc., and a certification access control server device. A request for access without setting for entry to permit passing the gateway device is only transferred to the certification access control server device. For preventing an uncertified request for access from reaching the server due to direct communication of a user terminal with the server, a program for recognizing a terminal is sent to the user terminal for monitoring. End of communication is detected to nullify certification, and communication permitting entry of the gateway device is deleted.;COPYRIGHT: (C)2003,JPO