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Method for thwarting application layer hypertext transport protocol flood attacks focused on consecutively similar application-specific data packets
Method for thwarting application layer hypertext transport protocol flood attacks focused on consecutively similar application-specific data packets
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机译:阻止连续相似的特定于应用程序的数据包的应用程序层超文本传输协议泛洪攻击的方法
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摘要
The present invention provides a methodology to thwart attacks that utilize consecutive hypertext transport protocol packets with similar structures, arriving from a plurality of computer systems on a network, such as the Internet, destined for a single or more computer systems on a secondary network, at such a rate with sufficient complexity to produce an effect on the target computer system or systems such that legitimate clients are denied access to requested services, thus creating a “denial of service” situation. The methodology focuses on the dynamic and proactive reassessment of data packet payload content to maintain a running value of similarity or dissimilarity, thus permitting intermediary apparatuses that are performing this computation to create distinction between legitimate clients and illegitimate clients.
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