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Blockchain-based ddos ​​attack joint defense system and method

A defense system and blockchain technology, applied in the field of blockchain-based DDoS attack joint defense systems, can solve problems such as single-point attacks, system hidden dangers, etc., to ensure integrity, security, and strong anti-attack capabilities. Effect

Active Publication Date: 2022-07-19
QILU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the centralized network control in SDN has the risk of single-point attack, which is always a hidden danger of the system

Method used

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  • Blockchain-based ddos ​​attack joint defense system and method
  • Blockchain-based ddos ​​attack joint defense system and method
  • Blockchain-based ddos ​​attack joint defense system and method

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Effect test

Embodiment 1

[0085] like figure 1 As shown, a blockchain-based DDoS attack joint defense system of the present invention includes a terminal device, an edge device and a blockchain, at least one terminal device, and the origin of the DDoS attack is the terminal device; at least one edge device and all An Ethereum client is deployed, and edge devices join the blockchain network as edge nodes; device information sharing smart contracts and device filtering smart contracts are deployed in the blockchain, and the blockchain is used to realize each edge node based on the blockchain consensus mechanism information sharing between them. Edge devices are used to detect DDoS anomalies, obtain DDoS abnormal traffic information, store DDoS abnormal traffic information through local data, and upload the DDoS abnormal traffic information to the blockchain based on the device information sharing smart contract; filter rules based on attacking devices and DDoS abnormal traffic information, the blockchai...

Embodiment 2

[0141] The blockchain-based DDoS attack joint defense method of the present invention realizes the filtering of DDoS attack initiating devices through the blockchain-based DDoS attack joint defense system disclosed in Embodiment 1.

[0142] like Figure 4 As shown, the method includes the following steps:

[0143] S100, the edge device performs DDoS anomaly detection, obtains DDoS abnormal traffic information, stores the DDoS abnormal traffic information through the local data of the edge device, and uploads the DDoS abnormal traffic information to the blockchain based on the device information sharing smart contract, and the blockchain is based on the blockchain Consensus mechanism realizes information sharing among edge nodes;

[0144] S200. Based on the attack device filtering rules and DDoS abnormal traffic information, the blockchain sends the DDoS attack device filtering information to the edge node through the device filtering smart contract;

[0145] S300,.

[0146]...

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PUM

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Abstract

The invention discloses a blockchain-based DDoS attack joint defense system and method, belonging to the technical field of DDoS attack defense, and the technical problem to be solved is how to realize safe, fast and effective defense against DDoS attacks. The system includes: at least one terminal device; at least one edge device, all deployed with an Ethereum client; a blockchain, deployed with a device information sharing smart contract and a device filtering smart contract, and the blockchain is used based on the blockchain Consensus mechanism realizes information sharing among edge nodes; edge devices are used for DDoS anomaly detection, obtain DDoS abnormal traffic information, store DDoS abnormal traffic information through local data, and upload DDoS abnormal traffic information based on the device information sharing smart contract blockchain.

Description

technical field [0001] The invention relates to the technical field of DDoS attack defense, in particular to a blockchain-based DDoS attack joint defense system and method. Background technique [0002] In recent years, with the rapid development of 5G and the Internet of Things (IoT), the Internet of Everything has become an irreversible trend. Security issues are ignored in the system design of most IoT devices. Hackers can easily use the security vulnerabilities of IoT devices as new tools for traditional network attacks (such as Mirai, Aidra and other malicious codes to infect smart devices) to launch DDoS (Distributed denial). of service) attack, resulting in serious consequences such as denial of service of the target and offline of related services. [0003] For DDoS attacks, the traditional method is to defend from the attacked target, but the high-frequency packet arrival rate and the lack of connection context make the deployment scheme at the attacked target only...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40H04L67/1097
CPCH04L63/1458H04L63/1425H04L63/0263H04L67/1097
Inventor 禹继国王越闫碧薇王桂娟董安明
Owner QILU UNIV OF TECH
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