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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."Guilty, I deserve it."海马船分别接近，果无开炮，遂贴近接舷。These weapons are powerful and cruel, just like the weapons that the National Security Agency wants. Of course, the US National Security Agency does not intend to end the matter. As Ben Oni lamented to the New York Times, "If you can't catch it, it will happen under our eyes."傻根为地地道道的乡下人，心灵纯净，不谙世事，是个少有的“傻子”，为了生存来到城市，笨嘴笨舌的他却阴差阳地错成了一位靠嘴皮子吃饭的推销员，他干了很多的傻事，经常因“傻”而招祸，同时也因祸而得福；夏天是个漂亮、能干的城市女孩，年纪轻轻就当了销售冠军却不甘平庸，为了梦想，自主创业，表面风光，其实内心有创伤；高博创业失败被父亲派到夏天的销售培训公司学做销售人员，高博一直怀疑父亲害死了自己的母亲，却没想到陷入一场阴谋。全剧故事围绕这三位主人公的事业和爱情追求而展开，演绎充满青年正能量的戏剧人生。由Gil Grissom领导的拉斯维加斯警局犯罪鉴证科夜班组的任务是深入案发现场寻找种种蛛丝马迹，并利用最先进的科技手段，把表面上没有任何联系、没有意义的线索拼凑成不可辩驳的证据，抽丝剥茧重组案情，让犯罪分子无处可逃……