| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an information device wherein authentication processing to a connected computer is completed on the information device side. <P>SOLUTION: This information device transmits first test request information to the connected first computer via a communication part recognizable as a network device by the computer when the information device is connected with the computer, holds a first port number used for the transmission of the first test request information when receiving first test response information from the first computer to the first test request information, collates a combination between the held first port numbers and a combination between previously held identification port numbers each for identifying the computer, and authenticates the first computer. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
