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3112目前第六季尚未确定主题，此前有传言称故事将转向太空= = = Looking at society from the perspective of education, looking at education from the perspective of society = = =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.《硬骨头》全方位再现抗战即将胜利时，东三省敌后斗争十分残酷，林海雪原间一批抗战十四年的硬骨头组成了让鬼子闻风丧胆的钢刺队，在党的领导下，钢刺顽强地与关东军周旋斗争，以命相搏，用鲜血与生命去完成一个几乎不可完成的终极任务