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When the server provides some UDP-based services, such as DNS, SMTP, NTP, etc., and finds some requests, in which the Response message is larger than the Request message, the Attacker sends a Request message that forges the source IP, and the source IP forges the IP address of the victim. After receiving the Request message, the server replies the "enlarged" Response message to the victim, thus realizing the amplification of traffic. The principle is roughly as follows:[Recommended to Friends]The template method pattern consists of two parts, The first part is the abstract parent class, The second part is the subclass of concrete implementation. Generally, the abstract parent class encapsulates the algorithm framework of the subclass, including implementing some common methods and encapsulating the execution sequence of all methods in the subclass. The subclass can inherit the parent class and rewrite the methods of the parent class in the subclass, thus realizing its own business logic.一个母亲，会全心全意为自己的儿女着想的。罗博和水泼是同班同学，两人之间的感情十分要好。和他们常常在一起玩的朋友们之中有一个叫沙示的男生，身边女孩众多，菲欧就是其中的一个。　　Syfy宣布剧集《#凡妮莎海辛# Van Helsing》续订第五兼最终季，13集最终季将于明年初开机拍摄，预定同年播出。该剧是一部描绘了电视剧制作幕后的成人恋爱喜剧，讲述两位25年前因某些原因分手的名演员，需要跨越多年恩怨再度合作演出的故事。中井贵一、铃木京香此前在其他作品中也演过恋人，包括三谷幸喜执导的“一镜到底”作品《人生小节》。收起全文d