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这些哲学的根子都源于同一个人，王明阳。Mom, I just hope you live a happy life. Only when you are happy can I be happy.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).郑氏激动万分：这个儿子，眼界已经提高。First, the contents of the queue are taken out and the queue is emptied to prevent queue changes during processing.Ctrl + Q: Opens and closes the save dialog box这是一个失败者逆袭成长的故事。大难常有小难不断的家家，跌跌撞撞活了二十多年，好不容易逃脱家乡，巴望在都市角落创业发挥之际，竟然遇上闺密合伙人的卷款背叛，只好躲回老家，却阴错阳差代父出马竞逐地方选举，造就这场荒诞、有趣，励志感人的青年返乡奇幻之旅。