| 摘要 |
PROBLEM TO BE SOLVED: To realize a firewall device capable of temporarily changing access limit without generating erroneous setting or security deterioration. SOLUTION: This firewall device for limiting any illegal access to an internal network is provided with a firewall means connected to an external network for limiting any illegal access to the internal network, a setting interface means connected through the firewall means to an external network for fetching the changed contents of the setting of the firewall means, and a setting changing means for authenticating whether or not a user is preliminarily registered and authorized to use through the setting interface means, and for limiting the setting items settable for each authenticated user, and for changing the setting of the firewall means after evaluating the legality of the changed contents. COPYRIGHT: (C)2004,JPO
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