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When the SYN gateway receives the SYN packet from the client, it directly forwards it to the server. After receiving the SYN/ACK packet from the server, the SYN gateway forwards the packet to the client and sends the ACK confirmation packet to the server in the name of the client. At this time, the server enters the connected state from the semi-connected state. When the client confirms the arrival of the packet, it forwards if there is data, otherwise it discards it. In fact, the server has a connection queue in addition to maintaining the semi-connection queue. If SYN attack occurs, the number of connection queues will increase, but the number of connections that the general server can withstand is much larger than the number of semi-connections, so this method can effectively reduce the attack on the server.东郊368国道和京广铁路交叉处附近发生重大车祸，一辆满载40万枚待销毁雷管的卡车侧翻。排爆大队接到任务，副大队长付杰第一时间通知大队长李兆先，自己则带着刚报到的公安大学高才生林莺赶赴现场。车祸现场由事发当地派出所负责警戒。付杰作出的繁复安排，被先期赶到并经过仔细勘察的大队长李兆先轻松解决。李兆先在排爆大队人称“一哥”。三十多年前，“一哥”李兆先是作战部队工兵连的排爆英雄。为了照顾给了他第二次生命的连长郭大为的母亲，李兆先转业来到郭大为母亲生活的这个城市，成了郭大为母亲的干儿子，照顾干娘一家。三十多年来，李兆先在排爆第一线出生入死、身先士卒。回到排爆大队，新的任务接踵而至，西郊风景区一座遭人盗掘的古墓被人爆破。从爆破现场的照片分析，李兆先断定实施爆破的人是一个爆破高手。针对这个爆破高手的调查分头进行，刑警大队陈队长负责对全市申遗古文物风景处实施，李兆先则带着付杰和林莺对化工品经销点进行调查。否则刘沛公怎么能有这个机会？灭秦之战居功至伟的是羽儿才对，然而此战最大的shengli果实却被沛公收入囊中，…,这个……即便是羽儿可以不在乎，danshi手下的一群如狼似虎的武将会服气吗？还有众多的诸侯王从中叫嚣，羽儿为了维护面子，有些事情必须要做，何况还有个范亚父……灭秦之战最大的shengli果实，就目前而言自然是关中王的宝座。The event statement creates an event. Each event consists of two main parts, the first part is event scheduling111. X.X.53至少让他们慌乱的心暂时安稳片刻，不至于那样惊慌失措。