ACCESS CONTROL APPARATUS, ACCESS CONTROL SYSTEM, ACCESS CONTROL METHOD, AND ACCESS CONTROL PROGRAM

PROBLEM TO BE SOLVED: To facilitate access control, and to enhance security. SOLUTION: A mode control portion 17 controls the modes of both a control mode for accumulating information for executing the access control, and an operation mode for executing the access control, based on the information accumulated by the accumulation mode. A control DB 14 stores the identification information of a client when the mode is the control mode, when an access si received from the client. An access control part 13 permits the access of the client to a server, when the identification information of the client is stored in the control DB, when the mode is the operation mode, in case of receiving the access from the client; meanwhile, the access control part 13 does not permit the access of the client to the server, when the identification information of the client is not stored in the control DB. COPYRIGHT: (C)2010,JPO&INPIT