| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent such a request as state information acquisition and setting change from any unauthorized user from being accepted by a protocol which is not provided with any security function in setting a high security level. <P>SOLUTION: An information storage part 14 stores the setting of the propriety of a request about a plurality of protocols in receiving the request of state information acquisition and/or setting change. When the request is received by any of a plurality of protocols which are not provided with any security function, and the request by any of the plurality of protocols which are not provided with any security function is denied in setting stored in the information storage part 14, a control part 12 denies the received request, and when any request by the plurality of protocols which are not provided with any security function is not denied in the setting, the control part 12 permits the received request. <P>COPYRIGHT: (C)2009,JPO&INPIT |
