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If an attack is detected, the management center will start a cleaning scheme to pull the mixed traffic of attack traffic and normal traffic through BGP, CDN, etc. Pull the mixed flow to the flow cleaning center for cleaning. The problem in the process of traffic cleaning is that the current DDOS attacks present a mixed attack state with multiple attack methods coexisting. In this case, how to efficiently detect attacks is the main problem currently facing. After consulting numerous data, Huawei's "seven-layer cleaning plan" is found to be very enlightening. The scheme comprehensively analyzes data packets for mixed traffic through seven layers of defense measures such as static filtering, abnormal message filtering, scanning and snooping message filtering, source legitimacy authentication, session-based prevention, feature identification filtering and traffic shaping, so as to detect attack traffic to the greatest extent. The framework of Huawei's "seven-layer cleaning scheme" is shown in Figure 2. After the traffic is cleaned, the attack traffic is discarded, and the normal traffic is injected back into the network through MPLS, GRE tunnel technology, etc.本剧改编自韩国电影《青年警察》，讲述了警校内智力超群的理论派优等生本间快（中岛），与性格直率、感情用事的行动派一之濑次郎（平野），性格相反的两人运用在警校所学的知识，伤痕累累地合作解决悬案的故事。Basketball　　罗桑天经过调查，发现施玉泉曾经在发达之前借过李梦露一笔钱并且和李梦露有过情感，而报业大亨施玉泉的老婆应桂玉嫉妒施玉泉和李梦露的情感，著名演员凤人美和李梦露一直有矛盾，曾经在大庭广众下说不过，他们主要是劫富济贫，惩戒地痞恶霸与官吏，在当地口碑不错。在咸蛋小学里，我们的主人公伦文叙机智聪明，才华横溢，常常为同学出谋划策，解决困难；伦文叙最好的搭档——欧小仙，是个看起来非常萌的小神仙，在下凡时出点意外导致失忆，会一点奇妙但又不靠谱的法术。他们俩和活泼又捣蛋的同学和奇葩老师们弄得咸蛋小学不得安宁。众人初时并不知具体缘由，此时听了尹旭解释，不禁纷纷点头，原来如此。