一种WLAN中MAC层自私行为的防御方法

计算机科学 ›› 2013, Vol. 40 ›› Issue (12): 90-93.

一种WLAN中MAC层自私行为的防御方法

叶进,李陶深,王正飞,张向利

广西大学计算机与电子信息学院南宁530004;广西大学计算机与电子信息学院南宁530004;桂林电子科技大学信息与通信学院桂林541004;桂林电子科技大学信息与通信学院桂林541004

出版日期:2018-11-16 发布日期:2018-11-16
基金资助:
本文受国家自然基金项目(61163060),国家科技支撑计划项目(2012BAH18F03),广西科技开发项目(桂科攻12118017-2C),桂林市科技开发资助

Defense Mechanism against Misbehavior of MAC Layer in WLAN

YE Jin,LI Tao-shen,WANG Zheng-fei and ZHANG Xiang-li

Online:2018-11-16 Published:2018-11-16

摘要/Abstract

摘要： WLAN中修改无线网卡参数的自私行为,严重影响了其他用户公平使用无线网络的权利,甚至会造成拒绝服务攻击而使整个WLAN瘫痪。为了寻找真实环境中简单可行的解决方案,提出了一个应用于无线AP的防御算法,该算法按照一定的规则对自私节点发来的包进行丢弃,以达到限制节点发包速度的目的,通过保证用户公平地使用无线网络达到防御上述自私行为的目的。在无线网卡驱动中应用了该算法,并且搭建了真实的无线局域网进行测试。结果表明,提出的算法无论是对自私行为还是拒绝服务攻击都能起到明显的缓解作用。

关键词: WLAN,MAC,自私行为,拒绝服务攻击

Abstract: The misbehavior that deliberately modifies the parameters of wireless NIC (Network Interface Card) driver impairs the legitimate users’ rights,even may cause DoS attack and cripple the entire WLAN．To defense against such misbehavior,this paper proposed a defense mechanism that is applied at AP which controls the nodes’ sending speed by dropping the incoming packets in a certain rule and makes WLAN users to use wireless channel fairly．We constructed a WLAN to test our proposed algorithm by applying it in wireless NIC driver．The experiments show that our algorithm performs well in defensing against MAC layer misbehavior even against DoS attack．

Key words: WLAN,MAC,Misbehavior,DoS attack

叶进,李陶深,王正飞,张向利. 一种WLAN中MAC层自私行为的防御方法[J]. 计算机科学, 2013, 40(12): 90-93. https://doi.org/

YE Jin,LI Tao-shen,WANG Zheng-fei and ZHANG Xiang-li. Defense Mechanism against Misbehavior of MAC Layer in WLAN[J]. Computer Science, 2013, 40(12): 90-93. https://doi.org/

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