With the popularization of smart phone,the denial of service attack regard to this platform has been an important research direc-tion in wireless security field. With the disadvantage on security mechanism of Android mobile phones,respectively introduce the strategy on denial of service attack and defense for the platform from two different perspectives. The denial of service with faked WiFi access point is introduced and dual channel authentication model against such attacks are proposed. The executed experiments indicate that it is effec-tive for setting up a faked WiFi access point can simply prompt attack of smartphone with denial of service,the dual channel authentica-tion model can prove the validation for WiFi access point.%随着智能手机的普及化，面向该平台的拒绝服务攻击已经成为了无线安全研究领域的一个重要研究方向。针对目前智能Android手机网络安全防护措施研究的不足，从攻击与防御两个不同角度阐述了针对该平台的拒绝服务攻击方案和防御策略。引入了伪造无线WiFi接入点技术的拒绝服务攻击方案，并且提出了应对该攻击方案的双通道验证防御模型。实验结果表明，虚假的WiFi接入点技术可轻易地对智能手机发起有效的拒绝服务攻击，同时双通道验证模型可高效验证无线接入点的网络连通性。
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