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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.Note:? Node.js is cached according to the actual file name, not the parameters provided by request (), which means that even if you load it twice through requirement ('express') and requirement ('https://blog.csdn.net/arsaycode/article/details/node_modules/express'), it will not be loaded again, because although the two parameters are different, the file parsed to is the same.二更求粉红。《丈母娘来了》根据家庭情感剧作家阑珊的《丈母娘来了》小说改编。探讨“80后婚房之痛”的电视剧《丈母娘来了》是热播剧《婆婆来了》的续篇，以“刚需是否让丈母娘成为房价推手”为切入点，将镜头对准那些饱尝婚房之痛的80后。该剧讲述的是“丈母娘”对“未来女婿”在房子、车子、票子等方面有着严格要求，从而引发出一系列啼笑皆非又让人心酸的故事。We understand through the monomer pattern that the monomer pattern is created in the form of literal quantity of objects. For example, the following object literal quantity method code is as follows:在群雄逐鹿，山河日变的“大争之世”，在英雄辈出，百家争鸣的战国时代，华夏大地的西陲正经历着一场亘古未有的“黑色裂变”。 　　古老的秦部族正是在这裂变般的阵痛中重生。他们燃烧着自己，用一段段血与泪，爱与恨交织的悲壮故事，推动着整个时代前行。最终大出天下，与中原六国相融合，共同成就华夏文明的正源。 　　公元前三百六十二年，满怀壮志，发誓要夺回老秦故土河西的秦献公赢师隰，在黄河西岸的少梁山与魏国大军进行了一场惨烈的厮杀。尽管秦军斩敌无数，并一举擒获对方主帅公孙痤。但秦献公却身中毒箭而死。 　　嫡子嬴渠梁灵前即位，史称秦孝公。 　　秦国此时已陷入四面楚歌之绝境，辎重耗尽，兵源匮乏，国力虚弱。秦孝公即位后，秦国危局如独木撑天，摇摇欲坠。六国在山东召集大会，准备分秦，内外堪忧，秦国的生死存亡，压在一个22岁的年轻君主身上。