Title:
SPECIFYING SYSTEM AND SPECIFYING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/168071
Kind Code:
A1
Abstract:
A gateway device (10) acquires a terminal address of a terminal (20) and identification information thereof associated with the terminal address. The gateway device (10) also transfers an access request packet transmitted from the terminal (20) to a determination device (30), and transfers a response packet transmitted by the determination device (30) to the terminal (20). The determination device (30) determines whether the packet transferred by the gateway device (10) is abnormal, and transmits a response packet indicating a determination result. Further, the gateway device (10), during the transfer of a response packet indicating abnormality, identifies the identification information of the terminal that has transmitted the packet that is the basis of the response packet.
Inventors:
MURATA TETSUHIKO (JP)
KASHIMA SHINGO (JP)
KASHIMA SHINGO (JP)
Application Number:
PCT/JP2019/007704
Publication Date:
September 06, 2019
Filing Date:
February 27, 2019
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04L12/70; G06F13/00
Foreign References:
| JP2013207675A | 2013-10-07 | |||
| JP2009278293A | 2009-11-26 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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