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An 80-page manual, you need at least one year to read, ponder and practice, but you can still only appreciate the surface. Therefore, many old men and horses will read the manual over and over again and practice it over and over again.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.明天早上，再没有人跟她争论，到底穿什么颜色的衣裳，戴什么样的首饰了。白凡摇手道：在下同那张家小少爷也不大熟，倒是苏文青与他们有师从之谊，他现在张家私塾授业。The aperture of the via is ≥ 0. 5mm.中国军队按计划成功渡江，打响滇西大反攻第一仗腾冲之战。中国军队在滇西民众的支援下，翻越高黎贡山，与日军展开激战。但因日军早有防备，我军攻击部队遭到三面夹击且伤亡惨重，只有前出红木树的奇兵取得初步战果。红木树地区作战部队在日军堡垒内发现日