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End productIf 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.《科搜研之女》这个推理系列剧在日本众多的推理剧中有其独特的风格和存在感，那就是极强的专业性，这个作品就是站在科学搜查研究所的角度，通过科学的力量为破案创造条件，这个系列已经延续11年，每次电视剧拍摄，日本科学搜查研究所都会全力支持配合，剧中一些主要演员出演科学研究员的角色已经数年甚至十几年，对于科搜研这个单位的各类仪器和一般性工作都非常熟悉，有评论说这个系列的一些主要演员已经具备了通过科学调查侦破现实中一般性案件的能力，从中也可以看出本剧极强的专业性，有人说本剧是日本版的【csi】，但实际上两者还是有一定区别的，【科搜研】更强调科学研究，所有事件都是从科学调查研究角度来分析，而【csi】相对更多元化一些，是案件现场各类搜查的集合体。Another effective method is that after the car owner stops, he can adjust the car air conditioner to the highest temperature state of 32 ℃, allowing warm air to blow dry the moisture in the evaporator and air conditioning pipes of the air conditioner. This can not only blow dry the evaporation box and ventilation pipe quickly, but also kill some mold existing on the evaporation box and ventilation pipe of the automobile air conditioner, thus better preventing the peculiar smell of the automobile. However, this method is generally not easy to do and is more troublesome.Lin Ruhai was promoted to deputy prime minister and minister of household affairs, and the Lins immediately changed from a deserted family to a dragon of chariots and horses. … …What qualifications and requirements does a male kindergarten teacher need?本剧以龙门古镇为背景，讲诉了薛佳凝扮演的楚笑笑是北京长大的80后女子，人气小生杜淳饰演的男一号则是龙门古镇的孙氏后代孙翌伟，清华毕业(学汽车制造)，又出国留学，后回到北京工作(IT行业)，由于被初恋女友佟洁抛弃，过失致使哥哥死亡,心里承受着巨大的压力。30多岁还未成家，家人最盼望的就是他能带个媳妇回家过年，于是他就开始网上租女友，于是楚笑笑和孙伟伟就成了一对“合约情人”。而这对“合约情人”回到龙门古镇一方面要讨得家人开心，又暗中斗法，幸得孙翌伟的外甥钟垒(冷中易饰演)的暗中帮助，最终获得真爱谱写浪漫的故事。