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Protocol packet detecting method, system and equipment

A protocol message and detection method technology, applied in the field of communication, can solve problems such as complex process, unfavorable communication system development, low efficiency of illegal data processing and filtering, and achieve the effect of filtering, preventing attacks and deception

Inactive Publication Date: 2008-08-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, the communication system in the prior art needs to logically analyze the different headers of the data sent by the terminal one by one, resulting in low efficiency of processing and filtering illegal data, and the relationship between the headers is analyzed through judgment logic, which is complicated and difficult. Effectively filter illegal packets
When the judgment logic needs to be changed, it may be necessary to upgrade the system software, which is not conducive to the development of the entire communication system

Method used

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  • Protocol packet detecting method, system and equipment
  • Protocol packet detecting method, system and equipment
  • Protocol packet detecting method, system and equipment

Examples

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Embodiment Construction

[0063]Embodiments of the present invention provide a method, system and equipment for detecting protocol messages. By establishing a fingerprint feature library for protocol messages, collecting protocol messages in the network for fingerprint feature comparison to quickly determine whether the protocol message is an illegal message

[0064] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0065] See first figure 1 , figure 1 Shown is the message detection communication device in the implementation of the present invention, the communication device includes a collection module 11, a detection module 14, a processing module 13 and a storage module 12, wherein: the collection module 11 is used to collect the protocol message to be detected; processing Module 13 is used to obtain the header fingerprint feature of the protocol message to be detected collected by the collection module 11; the storage...

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Abstract

The embodiment of the invention discloses a detection method of protocol message, comprising the steps of: collecting the protocol message to be detected; obtaining title head fingerprint characteristic of the protocol message to be detected; comparing and detecting the title head fingerprint characteristic of the protocol message with that stored in a fingerprint library. The embodiment of the invention also discloses a communication equipment and system, by which the fingerprint library is built up for the legal or illegal title head fingerprint characteristic of protocol message, and after the protocol message to be detected is received, rapid comparision and detection can be realized by obtaining the title head fingerprint characteristic of the protocol message, thereby preventing the illegal protocol message which distorts the title head from attacking and cheating the VOIP system in order to filter the illegal message.

Description

technical field [0001] The invention relates to the communication field, in particular to a method, system and equipment for detecting protocol messages. Background technique [0002] Voice over IP (Voice Over IP, VOIP) technology provides a low-cost voice service, provides signaling customization functions to terminals, and facilitates the development of new services. However, malicious users can easily take advantage of this open mechanism to customize malicious signaling, which will pose a threat to the communication system. [0003] These malicious signaling include the following types, such as adding unauthorized headers, attempting to cause system processing exceptions or carry information that is not allowed by the system, or make the system misjudge user signaling as system signaling; or delete necessary or repeat certain headers multiple times; or add headers that are not required by this message. [0004] The following are typical examples of some malformed messa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L29/06H04L12/56G06F17/30
CPCH04L69/18
Inventor 吴平
Owner HUAWEI TECH CO LTD
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