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Physical intrusion prevention detection method and system for Ethernet physical layer

A detection method and Ethernet technology, applied in transmission systems, electrical components, etc., can solve problems such as physical intrusion of Ethernet physical layer, and achieve the effect of avoiding serious impact and protecting investment.

Pending Publication Date: 2021-03-12
江苏中安智信通信科技股份有限公司
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  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a physical layer of Ethernet anti-physical intrusion detection method and system to solve a series of problems of physical intrusion of the Ethernet physical layer

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  • Physical intrusion prevention detection method and system for Ethernet physical layer
  • Physical intrusion prevention detection method and system for Ethernet physical layer
  • Physical intrusion prevention detection method and system for Ethernet physical layer

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] see Figure 1 to Figure 9 , the present invention provides a technical solution: an Ethernet physical layer anti-physical intrusion detection method and system, the method is as follows:

[0040] Network deployment for Ethernet;

[0041] There are three ways to select the transmission port: use only electrical port interconnection; use only optical port interconnection; use optical port interconnection and electrical port interconnection at the same ti...

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Abstract

The invention discloses an Ethernet physical layer physical intrusion prevention detection method and system, and belongs to the technical field of industrial communication, and the method comprises the following steps: carrying out the network deployment of the Ethernet; selecting a transmission port; determining a transmission port; monitoring a delay value or / and a loss value between the transmission ports; judging whether the delay value or / and the loss value is / are within a preset alarm threshold value or not; if the delay value or / and the loss value is / are within a preset alarm thresholdvalue, sending the information to a network management platform, otherwise, continuing the monitoring of the next period; technical implementation is carried out by utilizing basic characteristics ofa mainstream switching chip, extra hardware does not need to be added, basic software and hardware frameworks of equipment do not need to be changed, and the investment of a user is protected to themaximum extent; through the designed secret key encryption module, encryption protection is carried out on information exchange, serious influences caused by message counterfeiting are avoided, and the risk problem that physical line signals may be stolen in a network security management blind area of a non-management and control area is truly solved.

Description

technical field [0001] The invention belongs to the technical field of industrial communication, and in particular relates to an Ethernet physical layer anti-physical intrusion detection method and system. Background technique [0002] Ethernet switches are usually based on twisted-pair network cables or optical fiber transmission. Long-distance wiring may pass through various areas such as corridors, pipes, and corridors. These areas are likely to be in the scope of non-safety control. If it is monitored, it will face a major information leak, and this kind of leak is at the network level, whether it is a hardware firewall, software firewall, or traditional network device management software, it cannot perceive this kind of intrusion. [0003] The existing technology usually works at the data link layer or above the network layer, and encrypts the data message to prevent it from being stolen. However, most secret-related networks still have a large amount of plaintext infor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/1416H04L63/0428H04L63/16
Inventor 戴多好徐君
Owner 江苏中安智信通信科技股份有限公司
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