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Facing TCP's three-way handshake protocol, how should attackers launch attacks? The attacker first intentionally initiated a handshake packet. After receiving it, the server puts it into the waiting queue and returns an acknowledgement. Secondly, the attacker will no longer send the third acknowledgement packet, thus the server will make multiple retransmissions (the Linux system configures the number of retransmissions through tcp_synack_retries), consuming a lot of extra overhead, and the waiting queue will be occupied, even the waiting queue will be full, eventually causing the server to be unable to receive the client's request. This is the attack.在巴黎拍摄的《艾米丽闯巴黎》讲述来自中西部的20多岁女主Emily（Lily Collins饰演），意外地获得在巴黎工作的机会，她的任务是把美国观念带进一间享誉法国的营销公司。Emily得适应文化上的新冲击，同时还得兼顾事业、新友谊及爱情生活。NBC宣布一口气续订《#芝加哥警署# Chicago P.D.》三季。活泼可爱的乡村姑娘罗小蔓本来与年迈的婆婆在乡村过着无忧无虑的生活，然而一个自称是小蔓父亲朋友的男人(刘文达)的出现，小蔓便开始了他牵魂动魄的南国都市生活，面对文达的太太舒云的猜疑，家贝、舒风的刁难，倔强的小蔓为了实现作名设计师的梦想一再忍受唐家霸王枪破空而出，犹如怒龙咆哮。上辈子,他是奥特曼,她是小怪兽,纠纠缠缠绵绵数十年 这一世,他28,她27,仅仅初识. 原本只是一场例行公事般的相亲, 差点由于各种原因而被取消, 他和她仍一见如故, 长聊了5个小时, 天南海北,过去未来,无所不侃, 直到服务生提示到点,似乎仍意犹未尽. 从那一刻起 他们明白了,她是他这辈子的小怪兽,他是她这辈子的奥特曼......