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When launching reflection attacks, a large number of reflectors need to be found on the Internet. Some kinds of reflection attacks are not difficult to implement, such as ACK reflection. It is only necessary to find the developed TCP port on the Internet, and this kind of server is very extensive on the Internet.Dark Attribute Attack讲述了这样一个故事：驻守在特区的某部二营营长李桂林，周末之夜，他去电视台与女朋友许娜相会，部队却忽然接到了抗洪命令。二营成了抗洪先头部队，被空运到了位于长江险要地段的江川市。教导员钟涛正在休假，闻讯立即归队。部队直奔双河垸，营救出了被洪水围困的群众和九中预备参加高考的学生以及女教师楚天洁。洪水危机仍然威胁江川市凤凰院，分洪迫在眉睫。但是有翟建业、高升这样的“蛀虫”，令抗洪战士们面临生与死的选择，李桂林经过这场考验，对人生观、价值观有了新的认识。想劝两句，又不知如何说才好。帕顿·奥斯华迈入 50 岁，他重新结婚、购置新房，还在丹尼斯餐厅经历了一场生存恐惧。在这部最新的单口喜剧特辑中，他讲述了生活如何匆匆地与自己擦肩而过。(Mei Xiangrong, Chief Consultant of Pacific Century Tourism)If the message has been matched by the previous rule, iptables performs the corresponding action on the message, Even the latter rules match the current message, It is very likely that there will be no chance to perform corresponding actions on the message again. Take the above figure as an example, the message is first matched by the first rule, so the current message is "released", because the message has already been released, so even if the second rule in the above figure can match the message just "released", there is no chance to discard the message just now. This is how iptables works.