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As mentioned above, SYN attacks can be prevented by increasing the backlog queue. In addition, reducing timeout time also enables the system to process more SYN requests. We know that the timeout timeout, that is, the half-connection lifetime, is the sum of the timeout times that the system waits for all retransmissions. The larger this value, the longer the half-connection takes up the backlog queue and the fewer SYN requests the system can handle. In order to shorten the timeout time, it can be realized by shortening the retransmission timeout time (usually the first retransmission timeout time) and reducing the number of retransmissions.Although this kind of attack has appeared for 14 years, its variants can still be seen today. Although technologies that can effectively combat SYN flooding already exist, there is no standard remedy for TCP implementation. You can find different implementations of different solutions to protect the application layer and network layer in today's operating systems and devices. This paper describes this attack in detail and looks forward to and evaluates the anti-SYN flooding methods currently applied to end hosts and network devices.居家男人Devin在他的朋友Bobby的劝说下，重新陷入了对运动鞋的痴迷中，加入了一个投机取巧的快速致富计划。小魔女顾胜男人生中最不可思议的事情，就是在惨遭失恋、失业双重打击后，等着王子骑着白马来拯救她，可谁料想这个王子竟是刁嘴又挑剔，毒舌且自大，升级版的“唐僧”，但是这个“唐僧”不吃素！毒舌又傲娇的吃货路晋与天才厨师顾胜男一见面就“相克、相煞”事故不断，却又每每被她精湛的手艺吸引。在这段鸡飞狗跳的相处过程中，两人宿命般地越靠越近。In 1477 Charles the Bolds dies, his only child is a girl which cannot rule w/o a husband. Meanwhile in Austria, Emperor Frederick III and his antagonist Louis XI France battle over said marriage prospects, battles ensue, tragedy falls.传令下去，完事以后每个人都要抹药。林绍涛、周一鸣和贾宽自大学伊始，便是同窗好友，风雨十数载，如今携手一起迈入了四十岁门槛，在这个重要的人生中转站里，他们互相扶持面对来自事业、感情、友情等各方面的考验。