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Data packet detection method and device for resistance characteristics of pressure field

A data packet and feature code technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as misjudgment

Inactive Publication Date: 2012-11-21
BEIJING ANTIY NETWORK SAFETY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention provides a data packet detection method and device resistant to feature pressure bounds, which solves the problem that a traditional single feature code is contained in multiple data packets, thereby causing misjudgment

Method used

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  • Data packet detection method and device for resistance characteristics of pressure field
  • Data packet detection method and device for resistance characteristics of pressure field
  • Data packet detection method and device for resistance characteristics of pressure field

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Embodiment Construction

[0018] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the technical solutions in the present invention will be further detailed below in conjunction with the accompanying drawings illustrate.

[0019] The invention provides a data packet detection method and device against feature pressure boundary, which solves the situation that a traditional single feature code is contained in multiple data packets, thereby causing misjudgment.

[0020] A data packet detection method that is resistant to characteristic pressure bounds, such as figure 1 shown, including:

[0021] S101: Split the traditional feature code to form a feature code group;

[0022] S102: Match the features in the feature code group with the sorted data packet contents in order, if any feature matches s...

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Abstract

The invention provides a data packet detection method and device for resistance characteristics of a pressure field. According to the detection method and the device, a traditional feature code is divided to form a feature code group on the base of the detection technology of the traditional feature codes, the characteristics of the feature code group are matched with a sequence of the sorted data packet content, and if any characteristic is successfully matched, a data packet is determined to be a malice data packet, otherwise the data packet is a safe data packet. By the adoption of the feature code group to detect the data packet, the situation that a traditional single feature code is out of the range of one data packet is effectively avoided, and the probability of matching a suspecting malice code in the data packet with the feature code is increased.

Description

technical field [0001] The invention relates to the field of network security detection, in particular to a data packet detection method and device for resisting characteristic pressure boundary. Background technique [0002] In the field of network security detection, signature detection is currently the mainstream malicious code detection technology. Suspicious codes are detected by the universal signatures extracted from past malicious codes, so as to initially judge whether the suspicious codes are malicious codes. In the process of detecting data packets, the signature detection technology may encounter the problem that a single signature is included in multiple data packets, so that the signature cannot be detected, and a piece of malicious code is misjudged as a safe code. sentenced. Contents of the invention [0003] The invention provides a data packet detection method and device against feature pressure boundary, which solves the situation that a traditional sin...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L12/56H04L29/06
Inventor 肖新光刘静邱勇良
Owner BEIJING ANTIY NETWORK SAFETY TECH CO LTD
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