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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."Then they launched an attack on position 149 as soon as they completed the assembly?" I asked.如果仔细看小说，你会惊讶的发现，黛绮丝可从来没有靠脸做任何事，甚至一点也没有身为‘江湖第一美女的觉悟。本来以为即将成功的谈判，因杨长帆一纸书信再度陷入泥沼之中。为了挽救MUSE，董事长沈岳峰(陶传正饰)特地延揽传奇的企业经理人纪文凯(炎亚纶饰)担任公司CEO，而纪文凯上任后，第一个和他对上的就是“青梅竹马”锺雨棠(曾之乔饰)。短暂的合作中，戚继光撞到了这位奇才，就像严嵩发现儿子不傻，杨长帆发现徐文长不疯的时候一样。　　至于这部歌舞片的男主角，聂文邀请了来自香港的当红男星林见东，聂文给出的片酬并不高，但林见东却一口就答应了出演，为此经纪人一路都在埋怨他。