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If an attacker sends a large number of SYN requests with fake source addresses, the server side will consume a lot of resources to handle this semi-connection, and saving traversal will consume a lot of CPU time and memory, not to mention retrying SYN + ACK on IP in this list. TCP is a reliable protocol, and messages will be retransmitted at this time. The default number of retries is 5. The interval time of retries is doubled from 1s to 1s + 2s + 4s + 8s + 16s = 31s respectively. After the fifth time is sent out, it will take 32s to know that the fifth time has timed out, so the total is 31 + 32=63s.A. Men:-58KG,-68KG,-80KG, + 80KG;大儒、才华、魁首、义气，都是扯淡，只有权力才是真的。影片由曾制作《匪帮说唱传奇》的制片人罗伯特·塔特尔和监制《战略特勤组》的制片人比尔·佩金斯合力打造，Barry Battles执导。 　　生长在阿拉巴马州的鲁莽三兄弟Sherriff（安德鲁·布劳尔 Andre Braugher 饰）、Lincoln（丹尼尔·库德摩尔 Daniel Cudmor 饰）和McQueen（崔维斯·费米尔 Travis Fimmel 饰）收了别人的钱财，被委托合力去拯救一位受到家暴威胁的单身母亲。不料不仅陷入一场人质劫持和解救大战，众人还陷入一大圈麻烦事端之中。在解救人质的路上，他们在森林里先后遭遇无良警察、哈雷摩托车队和疯狂劫匪的玩命阻击...... 　　最终，三兄弟是否能够顺利完成任务？After saying this passage, Zhao Mingkai's eyes looked at the light in the interview room and fell into a silence. I knew that he was thinking of sad things. He tentatively asked him how Zhou Xiaolin was doing later. He sighed deeply and said with a regretful tone:杨长帆远远看着太和殿的宫门，看着初生的旭日，轻吟道：儿子，一会儿不要怕，你爹就要教训天下最有权势的人了。无论是江北还是江南，皆是大战一触即发。