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A method and device for detecting encrypted traffic based on fast pattern matching

A technology of flow detection and pattern matching, which is applied in transmission systems, electrical components, etc., and can solve problems such as distinction

Active Publication Date: 2020-08-04
上海飞旗网络技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While the growth of encrypted traffic is a good thing for information security in many respects, higher encryption rates also pose a challenge for traffic detection: since encrypted traffic can avoid detection, this makes most networks The device cannot quickly distinguish between encrypted traffic corresponding to normal information and encrypted traffic corresponding to network attacks and malware

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  • A method and device for detecting encrypted traffic based on fast pattern matching
  • A method and device for detecting encrypted traffic based on fast pattern matching

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Embodiment Construction

[0062] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0063] In order to better understand the above technical solutions, the technical solutions of the present invention will be described in detail below through the accompanying drawings and specific examples. It should be understood that the embodiments of the present invention and the specific features in the examples are detailed descriptions of the technical solutions of the present invention, and It is not a limitation to the tec...

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Abstract

The invention provides a method and device for detecting encrypted traffic based on fast pattern matching. When applying the encrypted traffic detection method, the encrypted traffic to be detected is analyzed by analyzing the device information corresponding to the sending end and the receiving end to perform indirect pattern matching detection on the encrypted traffic to be detected, without directly performing decryption and security detection on the encrypted traffic to be detected. It can avoid problems such as long decryption time and low decryption accuracy faced by directly detecting encrypted traffic to be detected. Since the first device information, the second device information and the communication protocol can be obtained directly, the encrypted traffic detection method can quickly perform pattern matching and detection on the encrypted traffic.

Description

technical field [0001] The present invention relates to the technical field of large data traffic detection, in particular to a method and device for detecting encrypted traffic based on fast pattern matching. Background technique [0002] As more and more businesses become networked and digitized, a vast array of services and applications use encryption as the primary method of ensuring information security. As one of the important encryption technologies, encrypted traffic has been widely used in network communication. While the growth of encrypted traffic is a good thing for information security in many respects, higher encryption rates also pose a challenge for traffic detection: since encrypted traffic can avoid detection, this makes most networks The device cannot quickly distinguish between encrypted traffic corresponding to normal information and encrypted traffic corresponding to cyber attacks and malware. Contents of the invention [0003] In order to improve t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/1416H04L63/1425
Inventor 杨贻宏
Owner 上海飞旗网络技术股份有限公司