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Method and system for network data analysis based on application layer data

A network data analysis and network data technology, applied in data exchange networks, digital transmission systems, transmission systems, etc., can solve the problems of inflexible analysis data, complex functions, weak customizable analysis capabilities, etc., to improve scalability, improve The effect of work efficiency and the convenience of auditing network content

Active Publication Date: 2013-03-13
RUN TECH CO LTD BEIJING
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Problems solved by technology

At present, the widely used network analysis software in the industry includes Wireshark, Sniffer, etc. These software have a common feature: the functions are too complex, the analysis data is not flexible, and the ability to customize the analysis is weak, especially these software are based on the data display and analysis of the link layer. Yes, the ability to analyze data at the application layer is weak

Method used

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  • Method and system for network data analysis based on application layer data
  • Method and system for network data analysis based on application layer data

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Embodiment approach

[0016] Implement the system structure of the present invention as figure 1 As shown, it includes a data input module, a data processing module, a data filtering module and a data output module. The data input module receives network data, and parses quintuples and application layer data from it; then the result will enter the data processing module, first the data will enter the intelligent analysis sub-module to analyze the data sent or received by a certain IP address, and at the same time It also analyzes the changes of data packets before and after, such as certain sections remain unchanged, and certain bytes increase or decrease packet by packet, etc. The analysis results will be transmitted to the intelligent coloring sub-module to color the displayed data. In addition, the quintuple and application layer data output by the data input module will also enter the filter sub-module and search sub-module of the data filter module. The filtering sub-module is responsible for...

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Abstract

The invention discloses a method and a system for network data analysis based on application layer data. The method comprises the following steps of: reading network data and analysing that whether the present data packet is an application layer data packet or not at first; if not, then discarding the present data packet; or else, then analysing the quintuple (comprising a source IP (Internet protocol) address, a destination IP address, a source port, a destination port and a transport layer protocol) of each network data packet, and the application layer data; filtering the analysed application layer data according to set characteristics, so as to obtain application layer data meeting the set characteristics; or, displaying the application layer data satisfying the set characteristics to be set colours, and highlighting the application layer data meeting the set characteristics. With the adoption of the method and the system disclosed by the invention, the communication content of analysis software and audit network content become convenient, and the working efficiency can be increased; and moreover, an analysis function can be customized according to a specific network protocol, so that the analysis work becomes flexible and has extendibility.

Description

technical field [0001] The invention belongs to the field of computer networks and relates to a method and system for network data analysis. Background technique [0002] Nowadays, many softwares have network communication functions, such as QQ, IE browser, 360 security guards, etc. As a network administrator, it is of great significance to master and analyze the network communication content of software and audit network behavior. In addition, for information security technicians, analyzing network data and finding loopholes in the data transmission process is also a very important job. [0003] Generally speaking, network data is divided into four layers: application layer, transport layer, network layer, and link layer. At present, the widely used network analysis software in the industry includes Wireshark, Sniffer, etc. These software have a common feature: the functions are too complex, the analysis data is not flexible, and the ability to customize the analysis is we...

Claims

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Application Information

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IPC IPC(8): H04L12/26
Inventor 糜波
Owner RUN TECH CO LTD BEIJING
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