| 摘要 |
A web client device 20 is installed with an agent program 21 for requesting an authentication switch device 30 interposed between a Web server device 10 and the Web client device 20 to access the Web server device 10 . The authentication switch device 30 , when accepting the request from a function based on the agent program 21 , acquires a MAC address from this function, and executes equipment authentication using the acquired MAC address. If the equipment authentication gets unsuccessful, the authentication switch device 30 acquires user information and password information of a user from the function, and executes the equipment authentication using these items of information. If the second equipment authentication gets successful, the authentication switch device 30 registers the previously-acquired MAC address and employs the MAC address for the equipment authentication from the second time onward. The present invention facilitates a registration operation while assuring that only the equipment authorized to establish a network connection is registered.
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