COMMUNICATION SYSTEM, AUTHENTICATION DEVICE, CONTROL SERVER, AND COMMUNICATION METHOD AND PROGRAM

摘要

A construction is provided in which it is possible to control access for each user client without installing an authenticator, an EAPoL transmission switch, etc. at each location. A forwarding node processes packets between a supplicant and a predetermined authentication device in accordance with processing rules which have been set. The authentication device carries out a predetermined authentication procedure with the supplicant and notifies a control server of the result. When the authentication procedure with the supplicant has been successful, the control server creates a first transmission path between the supplicant and the destination node, and sends the processing rules for the packets transmitted and received between the supplicant and the destination node along the first transmission path to at least one forwarding node in the first transmission path.