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The first step to prevent DDOS is to have a backup website or at least a temporary home page. In case the production server goes offline, it can immediately switch to the backup website, so there is no way out.所以我才觉得自己并无出格之处。《聊斋志异》由六个最具代表性的故事，包括《小倩》、《陆判》、《画皮》、《小翠》、《阿宝》、《小谢与秋容》，各有不同的特色与风格。 《陆判》——换头风波，书生上天下地状告冥官，讨取公道…… 《画皮》——这是一个关于女鬼复仇的故事…… 《小翠》——灵狐报恩，嬉闹中化解危机，痴儿巧妇，每天制造欢乐笑声…… 《阿宝》——精诚所至，金石为开。在爱情上，只要是至情至诚，定能感动佳人，终成美眷…… 《小谢与秋容》——书生勇闯鬼屋，巧遇两只调皮鬼，经历了多番生死患难，发生了一段浪漫感人的爱情故事…… 《小倩》——带你进入一个奇幻的世界，感受一段刻骨铭心的爱情故事……In this architecture, data packets are first collected by splitting or mirroring for attack detection. Then the attack detection module uses the detection algorithm to detect the attack. Although there are many attack detection methods such as Depth Package Analysis (DPI) and Depth/Dynamic Flow Detection (DFI) based on machine learning principles in academia, from the perspective of engineering efficiency, building traffic models and setting security thresholds or security baselines should be the most efficient methods. Although there are many types of DDOS attacks, their purpose is unique-to consume resources. Therefore, in the attack detection phase, the type of DDOS attack is not important, what matters is whether DDOS attack has occurred. At present. Even if the attack detection method of setting traffic threshold is adopted, it still faces the problem of how to set reasonable traffic threshold in many services.SSL can encrypt the network at the transport layer to prevent the transmitted data plaintext from being monitored and intercepted, but SSL protocol encrypts it. Decryption and key negotiation processes consume a lot of system resources and severely degrade machine performance嚣张至斯，竟无人可掠起锋芒。他们不回九州？心中本是一团死灰，重又复燃。