| 摘要 |
A multifunction device includes: a control command receiving section for receiving a control command from a control device; a criterion storage section for storing criterion in which command type information indicating control command types is associated with information indicating whether an authentication process is necessary or not; a command type determining section for determining whether the authentication process is necessary or not for the control command received by the control command receiving section; an access key checking section for performing the authentication process by matching the access key with an authentication key stored in advance, the access key checking section performing the authentication process if the access key checking section determines that the authentication process is necessary; and an Web service layer for executing a process as instructed by the control command, the Web service layer performing the process if the access key checking section that authentication is successful, or if the command type determining section determines that the authentication process is not necessary. This makes it possible to attain a multifunction device with a high security and with an ability to perform a process with a workload that is reduced as much as possible.
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