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In order to use SYN? Cookies to calculate the SYN-ACK serial number (that is, SYN? Cookies), the host must first combine some local password bits, a data structure including IP address and TCP port number, SYN initial sequence number, and some index data identifying the password bits. An MD5 digest is generated on top of all the above bytes, and then some bits are truncated from the hash value to put it into the SYN-ACK sequence number. Since the size of the sequence number is about a quarter of the total hash value, this truncation is necessary, but usually at least 3 bytes of hash bits are used for verification, which means that there are still nearly 2 24 possibilities to guess and verify cookies without knowing the password bits. In order to send out the hash value, some bits of cookies will reduce the upper limit value of MSS (Maximum Segment Length) contained in SYN and affect the index bits that identify the native password bits in the hash value.First of all, I would like to thank Jiguo Net very much for giving me the opportunity to experience AnchorChef's low-temperature slow cooking machine. After two days of trial, I have made hot spring eggs, sirloin steak and lamb chops. I have basically become familiar with the operation method of the slow cooking machine and accumulated some experience in use. I would like to make a brief introduction and share my own experience. This report is divided into three parts. After a simple blueprint, let's officially enter the text.The real essence of this book is the above. However, in order to deny "talent determinism", the author cited a lot of papers and practical examples, resulting in some "tedious". Before proposing what it is and how to do it, the author made a demonstration and quoted extensively.Steam can also divertSuper Large Data Manipulator: At this stage, we have basically begun to consider the distributed operation scheme of super large data, have a macro understanding of the overall architecture, and can also give some advice on different frameworks. The distributed operation of massive data has certain experience on how to avoid the delay of network communication and how to train more efficiently and quickly. This kind of person is usually the leader of shrimp like me.歉意地对少年笑道：哥哥不要急，等一下就好了。本剧改编自Audrey Niffenegger的同名小说，讲述Clare及Henry之间复杂、科幻的爱情故事。