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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.你说怪不怪，他们整天把做善事挂嘴上，咋落得这个下场哩？肯定是暗中干了坏事，才遭了报应。徐文长实在受不了了，掏出一封书信塞给杨长帆，我本来要寄送过去，你亲自给他好了。《一次性喜剧》是一部集都市、爱情、荒诞、爆笑为题材的微剧。讲述了一个“万能事务所”所遇到的奇葩业务和极品客户的故事，上演一幕幕活闹剧。　　五年后，骆嘉豪出狱，兄弟们恳求、将军逼迫，甚至被父母、亲弟弟骆嘉轩（李昊瀚（山野） 饰）误会，他依旧不改初心，不予辩解，坚持过平淡生活；最后，骆嘉豪还是站了出来，并与警方合作，一举消灭犯罪集团。In TCP/IP protocol, TCP protocol provides reliable connection service and uses three-way handshake to establish a connection.这婚姻，据我看，必得像攒家业一样，除了要奋力拼搏和积攒，还得努力保护周全，才能累起丰厚的家资。