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Novel method for preventing DoS attack of wireless disassociation frame based on rough set

A disassociation, rough set technology, applied in electrical components, transmission systems, etc., can solve problems such as the inability to prevent high attack rate disassociation frame DoS attacks

Inactive Publication Date: 2016-04-06
SANMING UNIV
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Problems solved by technology

The research results found that the 802.11w method can only prevent low attack rate (<5fps) disassociation frame DoS attack, it cannot prevent high attack rate disassociation frame DoS attack

Method used

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  • Novel method for preventing DoS attack of wireless disassociation frame based on rough set
  • Novel method for preventing DoS attack of wireless disassociation frame based on rough set
  • Novel method for preventing DoS attack of wireless disassociation frame based on rough set

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Embodiment Construction

[0047] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0048] This embodiment provides a novel anti-wireless disassociation frame DoS attack method based on rough sets, such as figure 1 shown, including the following steps:

[0049] Step S1: Analyze the disassociated frame DoS attack historical data, and perform discretization processing on the frame number gap, previous frame type, frame arrival interval, field control byte, frame sending and receiving address, BSSID setting, ReasonCode setting, and DurationID setting;

[0050]Step S2: Based on the rough set theory, establish and reduce the legality decision table of disassociated frames, and generate decision rules for judging the legality of disassociated frames according to a certain degree of credibility and weight, and further form a decision rule library for judging the legality of disassociated frames ;

[0051] Step S3: The 802.11 wireless client...

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Abstract

The invention relates to a novel method for preventing DoS attack of a wireless disassociation frame based on a rough set, and provides a disassociation frame validity decision rule based on various types of characteristic attributes of an 802.11 frame, wherein the characteristic attributes mainly comprises nine parts: frame number difference, the type of a previous frame, a time interval between a frame and the previous frame, field control byte configuration, frame receiver address setting, frame sender address setting, BSSID setting, Reason Code setting, and Duration ID setting. The method comprises the steps: building a decision table for discriminating whether the disassociation frame is legal or not according to the research of WiFi wireless communication features and the attribute characteristics of the disassociation frame; carrying out the attribute reduction of a conventional method which employs nine condition attributes for discriminating whether the disassociation frame is legal based on the rough set theory, wherein the novel method just needs three condition attributes for judging the authenticity of the disassociation frame; and building a novel '802.11w-rough set filtering ' method, wherein the method can enable a WiFi LAN to effectively prevent the DoS attack of the wireless disassociation frame at low and high attack rates.

Description

technical field [0001] The invention relates to the technical field of DoS attacks on WiFi wireless networks, in particular to a novel method for preventing DoS attacks of wireless disassociation frames based on rough sets. Background technique [0002] 802.11 wireless communication technology is widely used in industrial production line monitoring, urban safety inspection, urban traffic monitoring, food logistics monitoring, fire scene rescue monitoring, water supply monitoring, flood scene rescue monitoring, power monitoring, oil field monitoring, environmental monitoring, school safety monitoring, anti-terrorism Anti-riot security monitoring and community security monitoring, etc. Most of the real-time information applications based on 802.11 wireless communication technology involve key areas of industrial production and people's livelihood. Wireless data transmission has high requirements for security, real-time performance and reliability. If there is information leaka...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L63/1458
Inventor 刘持标邱锦明尤垂桔
Owner SANMING UNIV
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