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(未完待续……)搜索阅读最新最全的小说/——u——c——t——x——t——[UC電子书]正文结束[UC电子書]——u——c——t——x——t show_style();。《白粉飞 Snowfall》第四季确定在美国时间明年2月24日作两集首播，本季共10集。I'm telling youIn the last article, we have learned how to use the iptables command to view rules, so in this article we will summarize how to manage rules.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).玄龟他们几个读书不行，连考几年秀才都落榜了，眼看文不成，就想跟老鳖一样走武将路子。虽然有人骑马，但那模样跟难民真的差不多少。