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Network intrusion detection system aiming at distributed industrial control system

An industrial control system and network intrusion detection technology, applied in the field of network security, can solve problems such as high protection requirements, inability to meet industrial networks, and inapplicability to industrial occasions, and achieve the effect of improving communication security

Active Publication Date: 2016-12-07
UNIV OF SCI & TECH BEIJING
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a network intrusion detection system for distributed industrial control systems to solve the problem that existing network products in the prior art cannot meet the higher protection requirements of industrial networks, or are not suitable for industrial occasions. question

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  • Network intrusion detection system aiming at distributed industrial control system
  • Network intrusion detection system aiming at distributed industrial control system
  • Network intrusion detection system aiming at distributed industrial control system

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Embodiment Construction

[0040] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0041] The present invention provides a network intrusion detection system for distributed industrial control systems aiming at the problem that the existing network products cannot meet the higher protection requirements of industrial networks or are not suitable for industrial occasions.

[0042] see figure 1 As shown, the network intrusion detection system for the distributed industrial control system provided by the embodiment of the present invention includes:

[0043] A network sniffing unit 11, configured to capture network communication data of the industrial control system;

[0044] The intrusion detection unit 12 is used to perform intrusion detection on the captured network communication data through the pre-established network characteristic...

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Abstract

The invention provides a network intrusion detection system aiming at a distributed industrial control system. The network intrusion detection system aiming at the distributed industrial control system can improve network security of the industrial control system. The network intrusion detection system comprises a network sniffing unit used for capturing network communication data of the industrial control system; an intrusion detection unit used for carrying out intrusion detection for the captured network communication data through a pre-built network characteristic hash value rule chain table, a control instruction detection rule chain table updated in real time and a preset space state classifier, and sending out alarm information if an intrusion behavior exists; and a data transmission unit used for sending out the alarm information. The network intrusion detection system aiming at the distributed industrial control system is applicable to the technical field of network security.

Description

technical field [0001] The invention relates to the technical field of network security, in particular to a network intrusion detection system for distributed industrial control systems. Background technique [0002] In recent years, the transmission rate and real-time performance of Ethernet technology have been greatly improved with its own development, which also makes it gradually applied to industrial networks, making the natural combination of fieldbus network technology and Ethernet network technology together. Industrial control systems have gradually evolved from a closed, isolated system to a more open system with multiple connections to public networks. While Ethernet has brought great benefits to traditional industries, information security, a problem that was rarely related to the industrial field in the past, has been highlighted in front of everyone, causing serious damage to industrial networks and core equipment. [0003] The industrial network is differen...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L63/1416H04L63/1425
Inventor 解仑金良辰周育武王志良
Owner UNIV OF SCI & TECH BEIJING
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