| 摘要 |
An information appliance that accesses content stored in a content server through a computer network is disclosed. The information appliance includes a first IP address information acquisition unit that acquires URI information of the content from the content server and extracts first IP address information contained in the URI information, a second IP address information acquisition unit that acquires a second IP address assigned to the information appliance, a determination unit that determines whether or not a network address part of the first IP address matches with a network address part of the second IP address, and a control unit that permits accessing the content server when determined that the network address parts of the first and the second IP address matches, and denies accessing the content server when determined otherwise.
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