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　　一切似乎不止是水管漏水那么简单，怪异的事情接连发生，房间似乎有了自己的生命，一心想找出真相、保护自己深爱的女儿的达莉娅不知不觉陷入了更深90年代同名儿童剧的重启作，讲述一个在小型书店的鬼魂把书中的虚构人物释放到现实世界时，四个孩子因此组合起来为鬼魂解决各种未了之事。In TCP implementation, when receiving the SYN request from the client, the server needs to reply the SYN + ACK packet to the client, and the client also needs to send the confirmation packet to the server. Usually, the initial serial number of the server is calculated by the server according to certain rules or adopts random numbers. However, in SYN cookies, the initial serial number of the server is obtained by hash operation and encryption of the client IP address, client port, server IP address, server port and other security values, which is called cookie. When the server suffers from SYN attack and makes the backlog queue full, the server does not reject the new SYN request, but replies the cookie (SYN serial number of the reply packet) to the client. If it receives the ACK packet from the client, the server subtracts 1 from the ACK serial number of the client to obtain the cookie comparison value, and performs a hash operation on the above elements to see if it is equal to the cookie. If equal, complete the three-way handshake directly (Note: At this time, you don't need to check whether this connection belongs to the backlog queue).3. The ID card of the handling person (one copy of the front and back is stamped with the official seal)Students who still don't understand can look at the effect together with the previous part.小丫与廖平凡毕业后，一起在工作岗位上打拼了多年。廖平凡以各种理由推诿拖延婚事。今年，廖平凡又说等来年混好了再正式提亲，小丫一气之下应征了二麻租媳妇的这档子事儿。传说中的“天人一”饭馆，海鲜贩子老虾米前来向正走霉运的封老板讨债。与此同时，绝色性感的美女，神秘威严的大人物，过气的功夫明星，国学大师，暴发户,流浪歌手，威严的跛腿警官老梅，女飞贼，憨保安，十二个神头鬼脸的人物阴差阳错地走进同一个饭局，引发了一系列爆笑的故事