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How should we defend against this attack? First of all, as users, we try our best to download APP from regular channels and surf the Internet in a civilized manner, and try our best not to make broilers. Secondly, as a service manufacturer, when the server is attacked by DDoS, we try our best to improve the processing capacity of the server. When the processing capacity of our server is greater than that of the attacker, these attacks are nothing to the server. Finally, under normal circumstances, the processing capacity of our server is generally lower than that of the attacker. In view of this situation, there are currently the following methods: 1. Violent methods, such as setting an access frequency threshold, and rejecting when the number of accesses per IP unit time exceeds this threshold; For a certain service, if the instantaneous request is too large, choose to directly refuse to ensure the normal operation of other services; This method may result in normal users not being able to use it. 2. Verification code. In order to prevent normal users from being injured by exposure methods, at present, service providers will send verification codes to "users" when receiving a large number of requests. If it is a real user, it will input verification codes, but if it is a broiler, it will not. Through this method, the real user and the broiler will be distinguished.Liu Yifei, Lin Junjie ~ ~ ~台上众人奇怪，定睛一看，那几千人正是顾涧麾下的军士。只此一件事，代表的意义却非比寻常，昔年胡亥即位以后和赵高在杜邮斩杀十位兄弟姐妹，始皇帝子嗣除了嬴诗曼全部被杀。However, those organizations that established the late on-line and off-duty class mode will position themselves according to the market demand in the new stage in order to achieve differentiated development. For example, Tong Wang Xing is a children's ability and quality training institution for B-end institutions such as early childhood education. In view of the low utilization rate of classrooms in the current early childhood education institutions and the difficulty in consuming classes in the pre-sale class mode, the franchisee has explored the franchise mode of "shared brand store", i.e. The franchisee does not need to change its own brand, but only needs to build 1 to 2 Tongwangxing brand classrooms in its operating area and integrate Tongwangxing's market and operating system into its original brand system.//Technical interview青梅竹马，相爱相杀，是冥冥中自有安排，还是一个愿打一个愿挨？来自离异家庭的少女林夕迟与傲娇自负的冰山射手许放风格迥异的人生，似乎注定要纠缠在一起。 因为童年时母亲缺席，林兮迟一直对这世界是否存在稳定不变的感情存有疑虑。而高冷少年许放，看着她从顽童长成少女，早已把给她稳 定不变的关系作为终身守护的目标。当林兮迟还没有搞清楚已进入省射击队的种子选手许放到底为何放弃去北京来到自己所在的蓉大，就再度进入了被虐模式。友达以上恋人未满的二人，很快因各自的出色分别成为学校焦点，却一再否认相爱的可能。林兮迟一直神经大条情窦不开，许放只能将一次次表白咽了回去，霸道毒舌变成亲近林兮迟的唯一方式。 在经历种种考验之后，林兮迟终于意识到许放对自己从始至终的陪伴和守候，才是全世界最珍贵的存在。而这一次，她决定，哪怕面对自己最恐惧的分离，她也要勇敢走下去，成为他最坚定的力量，陪伴他完成夺冠之路。