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Students who still don't understand can look at the effect together with the previous part.Amplification attack is a special reflection attack. The special feature is that the reflector has the function of amplifying network traffic and is a common technical means in DDoS. Its basic principle is relatively simple. For a C/S service, if the Server-to-Client Response message is larger than the Client-to-Server Request message, the traffic is enlarged. In order to use amplification technology in DDoS, one condition needs to be met, that is, the services provided by Server are based on connectionless protocols such as UDP.改编自和田龙著名小说的古装片《忍者之国》公布卡司：大野智、石原里美、铃木亮平、知念侑李等。故事以战国时代为舞台，讲述了想要统一日本的织田信长与其最大的威胁——伊贺忍者之间的战争。男神、迷弟终于在大银幕相见了。电影由中村义洋执导，明年夏天在日本上映。郑氏白了他一眼。Zhihu netizen @ Tingting recalled that her parents' divorce at the age of 13 was a "relief" to her.　　热情好交友的杰西很快与大方善谈的莱斯莉成了好朋友。之后的一天，莱斯莉告诉杰西，在森林深处有一个叫特雷比西亚的王国，那里没有任何坏人、也没有整日让你学习的老师、更没有令人讨厌的同学……一切都十分美好。甚至一切的一切都由自己来作主，想怎样就怎样。秦霖无力靠在床边。