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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).《绝代双骄》电视剧火到爆，周星河的知名度立刻唰唰的往上升，但是圈子里的人一般都不怎么看好周星河。　　小说的背景发生在开国前夕的特殊年代。1948年4月底，国内局势瞬息万变，在党中央明确提出“召开全国政治协商会议，商讨民主建国大计”的方针后，国民党保密局局长毛人凤亲自部署了一场“夕阳计划”暗杀行动。李济深、蔡廷锴、郭沫若、沈钧儒、何香凝、马叙伦等都将面临着被国民党特务暗杀的危险，而那张普通的“西山夕照图”里究竟暗藏着什么秘密？红椒和田遥愕然相视，一齐大笑起来。2. The coupling between the publisher and the subscriber is reduced. The publisher only publishes a message, and it does not care how the message is used by the subscriber. At the same time, the subscriber only monitors the event name of the publisher. As long as the event name of the publisher remains unchanged, it does not care how the publisher changes. Similarly, the seller (publisher) only needs to tell the subscriber (buyer) about the arrival of shoes, regardless of whether the buyer buys or not, or whether he buys other sellers. As long as the shoes arrive, the subscriber can be notified.The prince gave the next task:. Holy Light Sharp Massacre-Prince Varanal, who died at the end of his life, ordered the killing of 100 Bloody Defenders. Bloody defenders are all 55 elites.吴汉中早年丧妻，独立抚养4个孩子：小东、小南、小西还有小北。汉中的好友突然因病死亡，他感到生命的无偿，因此他想在有生之年可以看到孩子们成家立室，于是假扮绝症让女儿们带着男朋友回家。还是独身的女儿们只好找人假扮男友。小东找到一名男妓谢晒，小南找到了一个黑社会的小混混，小西找到的则是一个清纯男。这时汉中以前的女友得知汉中的身家斐然又罹患癌症便想成为他的妻子，众儿女都看到她的面目，只是顾及父亲的时日不多。而她们也对各自的假男友，产生了真感情。