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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.“地狱之门”是一款风靡全球的VR实战游戏，全世界的玩家都不惜血本的在这个平台上一较高低。我国反恐指挥中心获悉恐怖分子利用这个游戏平台作为暗网的入口进行非法交易。我国年轻英勇的天狼特战队员们在家国安危的面前，用生命和鲜血验证了属于自己的青春，新老两代反恐精英在残酷的反恐第一线并肩作战，终于在最后收获了爱情和友谊，以及迎来了一个血色的黎明。　由《将军在上》幕后班底倾力打造，讲述女主罗海燕在上海打拼的酸甜苦辣。工作上的挑战和机遇，生活上的诱惑和选择，让罗海燕快速成长，从青涩到成熟，从迷茫到坚定，从不知所措到应对自如。她所经历的或许你将要经历、正在经历，又或许已经成为过去...在她的身上，总能找到你的那一鉴。Be steadfast and steady:该剧改编自欧阳墨心人气小说《到开封府混个差事》，讲述了鬼马少女金虔女扮男装进入开封府成为一名捕快，与展昭、公孙策、包拯、锦毛鼠、冰姬等人共同缉凶破案，并揭开一起巨大阴谋的故事。