| 摘要 |
PROBLEM TO BE SOLVED: To provide an unauthorized terminal interruption system or the like capable of simply registering a specific communication device.SOLUTION: An unauthorized terminal interruption apparatus 2 includes: a storage section 23 for storing a table 23a in which IP addresses are made corresponding to MAC addresses; and an interruption processing unit for interrupting, when a MAC address that is not registered in the table 23a is present in an intercepted ARP request packet, communication of a communication device of that MAC address. In the case that a group ID included in the ARP request packet is acquired, the unauthorized terminal interruption apparatus 2 registers an IP address and a MAC address of the communication apparatus included in the ARP request packet to an identifier table. |
