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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.《警察世家》的故事在解放前北平一個極不起眼的耳垂衚同裏展開，１９４７年，國民黨警察周栓寶掩護地下共產黨員劉海山、肖東昌等人逃脫追捕，沒想到，兩年後北京解放，劉、肖二人接管偽警察，又成了他的領導，故事便圍繞著劉海山一家之中三代警察以及他身邊肖東昌、周栓寶等警察的經歷展開，由１９４７年一直寫到改革開放的今天，歷史跨度大，從一個側面反映出了共和國建國５０年以來所經歷的風風雨雨，同時也塑造出了新舊幾代警察不同的形象以及他們所面臨的不同的社會狀況……The shortcut key for the move command is "M". interpret (new Context (9, 2)), 8));转自YOUKU考拉熊Statement: All articles and data on this site are for reference only. No one is allowed to use it for illegal purposes, otherwise the responsibility will be borne by himself. Advertisements published on this website are all personal opinions and expressions of advertisers.Therefore, it is not necessarily good to attack with a heavy pile of life, and it is also good to have both offensive and defensive skills.