Multi-protocol information resolving system based on network packet

A network data packet and information analysis technology, applied in the field of management equipment for real-time analysis of network behavior, can solve problems such as inability to restore information, and achieve accurate corresponding effects

Inactive Publication Date: 2010-06-09
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, once the data packet containing the MSN session establishment information is lost, this algorithm cannot recover all the information

Method used

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  • Multi-protocol information resolving system based on network packet
  • Multi-protocol information resolving system based on network packet
  • Multi-protocol information resolving system based on network packet

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Experimental program
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Embodiment Construction

[0023] The present invention will be further described in detail below with reference to the drawings and specific embodiments of the specification. Such as figure 1 , 2 Shown is the multi-protocol information analysis system based on network data packets of the present invention. The system includes a gateway device 1, a client computer 2, a server 3, a database 4, and an information security server 5. The server 3 is respectively connected to the gateway device 1, a client computer 2, a database 4, and an information security server 5. The gateway device 1 is used for Data transfer between networks, the client computer 2 is used to provide an operation interface for administrators to remotely log in to the server 3, the database 4 is used to store e-mail, MSN instant messaging and HTTP request restoration information, and the information security server 5 is used to receive the server 3 The sending of unsafe e-mails, MSN instant messaging and HTTP request restoration informat...

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Abstract

The invention discloses a multi-protocol information resolving system based on a network packet, comprising gateway equipment 1, a client computer 2, a server 3, a database 4 and an information security server 5, wherein the server 3 is respectively connected with the gateway equipment 1, the client computer 2, the database 4 and the information security server 5; the difference is that the server 3 is provided with a network packet capturing module 31, a protocol analysis module 32, a packet recombination module 33, a mail information reduction module 34, an MSN instant messaging information reduction module 35 and a webpage information reduction module 36. The method reduces to obtain all content of the E-mail, MSN instant communication and HTTP requested key information by the protocol analysis, packet recombination and application layer resolution to the original packet, and two filtering modes of pre-filtering and back filtering are adopted to accurately judge and analyze content filtering.

Description

Technical field [0001] The invention relates to a management device for real-time analysis of network behaviors, in particular to a system for analyzing multi-protocol information based on network data packets. Background technique [0002] With the rapid development of information technology, especially the widespread application of computer networks, the globalization of information has been promoted. Various government departments, enterprises and institutions use the Internet to conduct various operations such as information inquiry, mail sending and receiving, and online communication. Computer network communication has gradually become an indispensable part of the daily work of enterprises and institutions, making the entire society into the era of network information. [0003] While the network brings convenience to enterprises and users, it also poses severe challenges to network management. The proliferation of spam has overwhelmed the entire Internet, and managers must ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04L12/58
Inventor 潘志浩吴鑫余飞叶文晨
Owner SHANGHAI UNIV
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