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In this blog, from theory to practice, the system introduces iptables. If you want to know iptables from scratch, you can check the list of iptables articles, and the direct link is as follows.In order to construct a large number of data streams, hackers often need to construct request data through specific tools. These data packets do not have some behaviors and characteristics of normal users. In order to resist this kind of attack, we can analyze massive data, then model legitimate users, and use these fingerprint features, such as Http model features, data sources, request sources, etc., to effectively filter the white list of request sources, thus realizing accurate cleaning of DDoS traffic.Huang Jinbo was finally sentenced to death like Liu Guiduo, Jiang Xiaolong, Liu Chengjian and Captain Li Chengquan.For most flower plants, the first thing to do to find a suitable partner is to attract insects that can be used as pollinators. Bright colors and charming aroma are good choices for them, which can attract insects to stay on their own flowers, stick pollen to them, and then pass it on to the flowers of other plants.虽然汉武帝后来一雪前耻，但耻辱已经记录在史册，成为光鲜政绩之中不可磨灭的瑕疵。