The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 16, 2017

Filed:

Apr. 07, 2015
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Hisashi Kojima, Yokosuka, JP;

Masahiro Nakada, Ota, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 12/64 (2006.01);
U.S. Cl.
CPC ...
H04L 63/1433 (2013.01); H04L 12/6418 (2013.01); H04L 63/0227 (2013.01); H04L 63/0245 (2013.01);
Abstract

An apparatus filters data received through a network and outputs the filtered data to a protection target device. The apparatus includes a processor to execute a process including: comparing the received data with a predetermined pattern and outputting a result of comparison, the predetermined pattern being one of a plurality of patterns that are given to a test device configured to estimate a behavior of the protection target device, the target device exhibiting a predetermined behavior to the predetermined pattern; and intercepting the received data when the result of comparison is a positive result that indicates intercepting the data.


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