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Message replaying method and device

A technology of message and message header, which is applied in the field of communication, can solve the problems of single DPI test, poor test effect, and low DPI test efficiency, and achieve the effect of improving efficiency and improving test effect

Active Publication Date: 2019-03-01
NEW H3C SECURITY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the above message playback, the server can only play back one data message at a time, which causes the DPI device to perform DPI testing based on only one data message at the same time, resulting in low efficiency of DPI testing
At the same time, the source address and destination address of each data packet in the DPI test of the DPI device are the same, the DPI test is single, and the test effect is poor

Method used

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0027] Currently, software such as Tcpreplay is used to play back packets for DPI testing. In this kind of message playback mode, the server can only play back one data file at a time, which causes the DPI device to perform DPI testing only according to one data message at a time, resulting in low efficiency of DPI testing. At the same time, the source address and destination address of each data packet for the DPI test performed by the DPI device are the same, the DPI test is singl...

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Abstract

The embodiment of the invention provides a message replaying method and device. The method comprises the steps of determining a to-be-replayed file, and extracting load information of each data message in the to-be-replayed file; establishing message headers corresponding to the preset number of source addresses, and establishing threads corresponding to the preset number of source addresses, wherein the message headers are appointed protocol types; packaging the extracted load information through adoption of the message headers corresponding to each source address in the preset number of source address, thereby obtaining the preset number of reconstructed data messages corresponding to the load information; and sending each reconstructed data message to DPI (Deep Packet Inspection) equipment through adoption of the threads corresponding to each source address in the preset number of source address, thereby enabling the DPI equipment to carry out DPI testing according to the received reconstructed data messages. Through application of the technical scheme provided by the embodiment of the invention, the DPI testing efficiency can be improved, and DPI testing effect is improved.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a message playback method and device. Background technique [0002] With the development of network technology, malicious behaviors that threaten network security have become increasingly complex, and many malicious behaviors are even hidden in the application layer payload of data packets. This makes the DPI (Deep Packet Inspection, deep packet inspection) function more and more indispensable, and the DPI test is also becoming more and more important. [0003] At present, the DPI test mainly uses software such as Tcpreplay to play back packets. Specifically, the server running Tcpreplay software obtains files to be played back (such as pcap files). The pcap files include a plurality of data packets, and the source address of each data packet in the pcap files is rewritten as the address of the server. The destination address of each data packet is rewritte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/741H04L45/74
CPCH04L43/50H04L45/74
Inventor 岳伟国
Owner NEW H3C SECURITY TECH CO LTD