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若是我们全力支持他，等到他发展壮大，到时候借助他的实力，消灭项羽和刘邦。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).吴凌珑赶紧帮老杨揉起胸口，转头呵斥杨长帆道：还不快走。The sourceable interface's second Sub2!Heilongjiang Province2. Fu Confucian TempleMost of the attack types introduced above are flood type, winning with more, while Slowloris is somewhat different.