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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.《相信我》（Trust Me）是继《代班》（The Replacement）之后BBC推出的又一部心理惊悚片。这部剧一共四集，由茱蒂·惠特克（Jodie Whittaker）饰演爱丁堡护士Cath Hardacre一角，她在丢了工作后偷了一名医生的证件，利用这个身份取得了成功，随后便面临身份曝光的危机。本作品讲述了在警察“机动搜查队”，机动能力和运动神经首屈一指、但却没有刑事搜查经验也缺乏刑警常识的伊吹蓝（绫野刚 饰），观察和社交能力突出,但却不信任自己和别人的理性的刑警、志摩一未（星野源 饰），主角二人以24小时的时限内破案为目标的故事。 标题中的“MIU”是Mobile Investigative Unit（机动搜查队）的首字母，“404”是两人饰演机动搜查队员的呼叫信号。该剧讲述的是叶可与高中闺蜜纪之夏阔别多年后重逢，叶可正为了成为优秀的摩托车女赛车手而努力，与此同时，纪之夏也即将与未婚夫钟远展开新生活。之后，纪之夏因遭受钟远的家暴与纠缠离家出走，被叶可、唐晓、萧然等众人收留，从而展开一系列真实而灵动的故事。The other is a disguised ACK packet that responds to SYN-ACK to reach the server through firewall/proxy. This disguise prevents the TCB of the server from staying in the SYN-RECEIVED state, thus ensuring free space in the backlog queue. The firewall/proxy will stay and wait for a period of time. If the correct ACK of the connection initiator is not detected, it will pass through the disguised TCP? The RET message causes the server to release the TCB. For legitimate connections, packet flow can continue without the influence of firewalls/proxies. This method is more attractive than the above method of disguising SYN-ACK, because the firewall/agent does not need to directly participate in the connection after the legal connection is established.南向晚，28岁职场白骨精，对待下属严苛苛刻的她，被周围人断定患有“学历歧视症”；偶然间，好友于美丽写的新小说将南向晚的记忆带回10年前，变成了高三学生，不仅无法回到未来，还到了全是特长生的7班，她不得不重走高考之路，以体育生林骁然为首的一帮同学也处处与南向晚为敌，南向晚利用职场女精英的经验主动出击，见招拆招，收服了这群打扰她学习的高中生，众人一起努力，朝着梦想的地方前进！