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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.何家三个儿子，老大在机关做出纳，老二经营一家中型公司，老三从小最受宠，如今仍没有定性，工作三天打鱼两天晒网。家里一个婆婆三个媳妇平日里就在为各种鸡毛蒜皮的事斗智斗勇。公公临终前让老三结婚，把老房子和30万留给一事无成的老三，不想却让战火升级；刚巧老二因为小三和媳妇儿离婚，何家多出一个新妯娌，家里战火升级。老房子七八百万的拆迁费该归谁，老大和老三两家为此撕破了脸皮。于是在方寸之家，也用上了三国之谋。但妯娌们在经历了各种矛盾和风雨后，还是回到了婆婆身边。她们发现，人生中最重要的不是钱、房子，而是亲情。放眼千年，能有几个于谦。(2) Take the department as the unit, the company will provide holidays for each cycle, the department manager will pay or AA system, and organize the department personnel to travel and play in the surrounding area.我们选择把孩子生下,但是怎样和家里交代呢?校服能掩盖渐渐鼓起的肚子吗?该剧讲的是四个所谓的"不良少女"的秘密同居故事. 该剧以特殊的角度诠释了这些未婚妈妈,少年家长,离家出走等青少年经历的特殊问题. 懵懵懂懂怀孕的善希,已是未婚妈妈的星淑,性格叛逆的慧静,泼辣的晓媛,四个成长环境不同,人生遭遇各异但又都个性十足的女孩们住到了同一屋檐下,本剧讲述了正青春年少的她们的喜怒哀乐及成长故事.