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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.Total attack power 2437.7127"What was the final treatment of Jiang Yong's injured left arm?" I asked.甘联珠(秦萍 饰)与桂武(王羽 饰)夫妇，为救被困僧人与妇女而闯进红莲寺，联珠不慎踏中机关遭擒，危急中强迫桂武冲出回家求救。甘氏全家前往寻仇，误触寺内机关，死伤惨重……五险一金好理解，但是下一本作品保障是什么？下一部作品保障，就是等级在三.级或者三.级以上，这些作者如果下一部小说人气低落，收入锐减，网站会给于一点额外的扶持。Other methods to modify rules: delete rules by number first, and then add a rule at the original number position.