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Passive identification method and device for industrial assets and electronic equipment

An identification method and asset technology, which is applied in the direction of electrical components, transmission systems, instruments, etc., can solve problems such as unidentifiable, network congestion, and does not support DCS system scanning, etc., and achieve the effect of improving the recognition rate

Inactive Publication Date: 2019-12-06
HANGZHOU ANHENG INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the existing industrial assets are mainly through the way of active contracting. However, due to the real-time and high availability requirements of the industrial control system network, active contracting will occupy network resources and cause network congestion. On the other hand, due to the private protocol of some DCS systems It does not support the scanning of the DCS system by external equipment, thus causing unrecognizable phenomena

Method used

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  • Passive identification method and device for industrial assets and electronic equipment
  • Passive identification method and device for industrial assets and electronic equipment
  • Passive identification method and device for industrial assets and electronic equipment

Examples

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no. 1 example

[0057] refer to figure 1 , an embodiment of the present invention provides a passive identification method for industrial assets, the method comprising:

[0058] Step S102, obtaining the traffic of the network interconnection device;

[0059] Step S104, identifying industrial assets based on traffic.

[0060] Wherein, in step S102, network interconnection devices include but are not limited to network access devices such as switches and routers; the above-mentioned traffic can be traffic data packets obtained by mirroring or optical splitting, which is called traffic mirroring or mirroring traffic here.

[0061] In an optional implementation manner, step S102 may be implemented through the following steps:

[0062] By using the mirroring function of the network interconnection device (such as a switch or router) to mirror all the traffic of the industrial control assets connected to the network interconnection device to a port or interface, the mirrored traffic is obtained f...

no. 2 example

[0101] refer to figure 2 The embodiment of the present invention provides a passive identification device 200 for industrial assets, the industrial assets are pre-connected to network interconnection equipment, the passive identification device 200 for industrial assets includes a traffic access module 201 and a traffic analysis module 202:

[0102] Wherein, the flow access module 201 is used to obtain the flow of the network interconnection device;

[0103] The traffic analysis module 202 is configured to identify the industrial asset based on the traffic.

[0104] Optionally, the traffic analysis module 202 is configured to analyze the traffic to obtain asset fingerprint information of the industrial asset; identify the industrial asset based on the asset fingerprint information.

[0105] Optionally, the asset fingerprint information includes application layer data; when the traffic analysis module 202 identifies the industrial asset based on the asset fingerprint informatio...

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Abstract

The embodiment of the invention provides a passive identification method and device for industrial assets and electronic equipment, and relates to the field of industrial asset identification. In thepassive identification method for the industrial assets, the industrial assets are connected to network interconnection equipment in advance, and the method comprises the following steps: obtaining the flow of the network interconnection equipment; and identifying the industrial assets based on the traffic. According to the technical scheme provided by the embodiment of the invention, the flow isacquired, and then the industrial assets are identified based on the flow, so that the problem that the industrial assets cannot be identified in the prior art can be alleviated, and the identification rate can be improved.

Description

technical field [0001] The invention relates to the field of industrial asset identification, in particular to a passive identification method, device and electronic equipment for industrial assets. Background technique [0002] Industrial control system network security has been incorporated into the requirements of the "Basic Requirements for Cybersecurity Level Protection of Information Security Technology". In order to perform patch updates and firmware updates on control devices without affecting the safe and stable operation of the system, it is necessary to identify assets in the industrial control network. [0003] At present, the existing industrial assets are mainly through the way of active contracting. However, due to the real-time and high availability requirements of the industrial control system network, active contracting will occupy network resources and cause network congestion. On the other hand, due to the private protocol of some DCS systems The feature...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L29/06H04L29/12G06Q50/04
CPCH04L43/0876H04L69/22G06Q50/04H04L2101/668H04L2101/622Y02P90/30
Inventor 安成飞范渊
Owner HANGZHOU ANHENG INFORMATION TECH CO LTD
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