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Industrial control flow analysis method and device

A traffic analysis and industrial control technology, applied in the Internet field, can solve the problems of poor continuity of data collection and analysis, inaccurate analysis results, etc., achieve rapid log location and content retrieval, avoid hidden risks, and avoid overlapping roles.

Inactive Publication Date: 2020-12-29
SHENZHEN POWER SUPPLY BUREAU
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to propose an industrial control traffic analysis method and device to solve the technical problems of poor continuity of industrial control network data collection and analysis and inaccurate analysis results in the prior art

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  • Industrial control flow analysis method and device
  • Industrial control flow analysis method and device

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0042] Such as figure 1 As shown, it is a schematic diagram of an embodiment of an industrial control traffic analysis method provided by the present invention. In this embodiment, the method includes the steps of:

[0043] In step S1, the data collection module collects data packets in the network through a pre-set mirror port, and obtains real-time session data in the network; understandably, the network traffic collection technology adopts a sniffing method, and the sniffing method is passed in the core of the industrial control network or The mirror port of the aggregation switch sets data collection points to capture data packets; the information collected by the sniffing method is more comprehensive than the information collected by SNMP, NetFlow, etc., and...

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Abstract

The invention provides an industrial control flow analysis method and device, and the method comprises the steps that S1, a data collection module collects a data message in a network through a presetmirror image port, and obtains the real-time session data in the network; S2, a preprocessing module performs session restoration on the real-time session data to obtain session restoration data, extracts structured metadata information from the session recovery data, and outputs the metadata information to an exception judgment module and a storage module; S3, an anomaly judgment module acquiresthe metadata information by, compares the structured metadata information with a preset threshold value, judges whether an abnormal behavior exists in the network or not, and generates an anomaly judgment result; wherein the abnormal judgment result comprises abnormality or normality. According to the invention, the data of the industrial control network can be continuously collected and analyzed, and the data can be comprehensively and accurately analyzed.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to an industrial control traffic analysis method and device. Background technique [0002] With the continuous deepening of the integration of industrialization and industrialization in the power industry, more and more business systems have connected the office network and the industrial control production network due to their own management and data interaction requirements. The traditional industrial control network and information in the power distribution and transmission links The system is no longer closed and isolated, and the industrial control network has been gradually integrated into the internal office network, and even physically connected to the external WAN network, becoming an important part of the power industry network. [0003] At the same time, the integration of industrialization and industrialization has also brought some problems, mainly in the following...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/24G06F16/953G06F16/951
CPCH04L63/1425H04L63/1408H04L69/22H04L41/0631G06F16/951G06F16/953
Inventor 康文倩林子钊杨小卫李曼车向北欧阳宇宏
Owner SHENZHEN POWER SUPPLY BUREAU
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