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A multi-node collaboration and linkage method for industrial control mimic security gateway

A security gateway and multi-node technology, which is applied in the field of multi-node collaboration and linkage of industrial control mimic security gateways, can solve problems such as the instantaneous protection effect, and achieve the effect of ensuring data integrity and confidentiality.

Active Publication Date: 2020-12-29
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

How to effectively solve the static structure of the current industrial control security gateway and the instantaneous protection effect has become a difficult problem that has to be faced when deploying the industrial control security gateway

Method used

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  • A multi-node collaboration and linkage method for industrial control mimic security gateway
  • A multi-node collaboration and linkage method for industrial control mimic security gateway
  • A multi-node collaboration and linkage method for industrial control mimic security gateway

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Embodiment Construction

[0019] The present invention provides a multi-node collaboration and linkage method for an industrial control mimic security gateway, through pre-agreed secret feature sets, pseudo-random sequence generation function sets, secret transformation rules, etc. between multi-node gateways; and using tunnel technology to embed synchronization messages through protocols , the cooperation between multiple gateway nodes, and the use of dynamically agreed pseudo-random sequences at the same time make the industrial control protocol present random and dynamic characteristics as a whole.

[0020] Such as figure 1 A multi-node collaboration and linkage method for an industrial control mimic security gateway of the present invention specifically includes the following steps:

[0021] (1) deploy as figure 2 As shown in the industrial control mimic gateway group, the industrial control site includes the data management layer, the monitoring operation layer, and the field bus layer. The indu...

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Abstract

The invention provides an industrial control mimicry security gateway multi-node cooperation and linkage method. A secret feature set, a pseudorandom sequence generation function set, a secret transformation rule and the like are agreed among multi-node gateways in advance; and the industrial control protocol is enabled to integrally present random and dynamic change characteristics by using a tunnel technology, protocol embedded synchronous messages , cooperation of multiple gateway nodes and using a dynamically appointed pseudo-random sequence.

Description

technical field [0001] The invention belongs to the technical field of network security, relates to the field of mimic gateways, in particular to a multi-node coordination and linkage method of an industrial control mimic security gateway. Background technique [0002] As an important line of defense of the security system, the traditional industrial control security gateway defends against hacker attacks through access control. However, as more and more operating system vulnerabilities and application system vulnerabilities are discovered, security gateways have also become targets of attack. How to effectively solve the static structure of the current industrial control security gateway and the instantaneous protection effect has become a difficult problem that has to be faced when deploying the industrial control security gateway. [0003] Different from traditional network defense methods, mimic defense changes the operation or execution environment of network informati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/66H04L12/24
CPCH04L12/4633H04L12/66H04L41/14
Inventor 吴春明陈双喜潘高宁张晟曲振青
Owner ZHEJIANG UNIV
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