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2056年的今天，连队士兵汉娜和科学家加文和迪米特里在鲁比康空间站上研究一个藻类项目，该项目旨在为人类提供永久的氧气和食物。但突然之间，他们脚下的大地消失在一片褐色的有毒烟雾中，所有的触点都断了——他们是最后的幸存者吗？他们应该离开安全的车站，冒着生命危险飞回来吗？什么值得活着，什么值得为之而死？大地震中，“千斤顶县长”曲大川的妻子遇难，造成了女儿巧儿心理自闭，他强忍悲痛投入灾后重建工作，忍辱负重、敢于担当，在灾后重建中成长，成为个性鲜明的“灾区县长”。灾区安置社区主任银杏地震中失去了丈夫，作为女人，她更深切地感受到了灾区妈妈们的苦痛，和志愿者白鸽创建了“母亲之家”，努力帮助牛大姐、疯嫂等妈妈们恢复心理创伤，走出地震阴影。援建工作急难险重，组长朱支援承受着巨大的工作压力，老母亲在岭南病重住院，他没时间回家探望。妻子杨柳是个心理学教授，通过网络为“母亲之家”进行指导，效果显著。对于“母亲之家”，曲大川开始并不理解，认为灾后重建工作十万火急，没时间去管“婆婆妈妈”的事，由此与银杏发生矛盾冲突，秦书记支持“母亲之家”工作，认为灾区重建中最重要的是人，人的生命高于一切，灾区母亲们是最需要关怀的一个群体。　　韩平的不幸远远没有结束。她发现自己怀孕了。而男友唐宾却不辞而别到美国继承遗产，一去音讯杳然。一连串的打击让韩平晕倒在大雨瓢泼的街头。救她的那个叫飞飞的女孩，是一个“小姐”。县城一役让李向阳率领的武工队名声大震，日本鬼子顿时成了没头苍蝇。善于逢迎媚上的渡边被日军司令冈村提拔为联队大佐。渡边对李向阳的神出鬼没颇为胆寒，抱着不求有功但求无过的心思龟缩在县城，一时武工队和日本人倒也相安无事。渡边整天忙着讨好冈村派下来的谍报专家贞子，小日子过得不亦乐乎，直到一心为兄报仇的松井横二的到来，终于打破了这短暂的平静。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.Often, this sudden change will be regarded as an improvement.