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Compared with SYN cache method, SYN? Cookies technology does not need to allocate space at all when receiving a SYN. Because the most basic data that make up the connection state are encoded and compressed into the sequence number bits of SYN-ACK. For a legitimate connection, the server will receive an ACK message segment with a serial number (actually the serial number has been added by 1), then the basic TCB data will be regenerated, and a complete TCB will confirm that the data will be safely instantiated through decompression. This decompression can be successful even under severe attacks, because there is no storage load at all on the host side, only the load that calculates the encoded data into the ACK sequence number. The disadvantage is that not all TCB data can be added to the 32-bit sequence number segment, so some TCP options required for high performance cannot be encoded. Another problem is that such SYN-ACK message segments will not be forwarded (because forwarding requires complete state data).In subsequent interviews, I found the only squad leader at position 142 at that time: Zhao Mingkai, the squad leader is not an officer in the army, Not cadres, But as the backbone of the team, Having the title of "Mother of the Army" is the soul of a class and plays a far more important role in the battle than an ordinary soldier. Therefore, from his perspective, compared with other ordinary soldiers, he has a relatively large depth and breadth. In the interview, I did find many different things from sorting out his memories.尹旭的很淡然，但是言语之中不由自语地多了许多的自信与傲气。黎水坐到林聪另一边，抱着他的胳膊，真心实意地感谢道：林大哥，多谢你那天救了我，要不然，眼下我都重新赶去投胎去了。春秋铸剑大师欧冶子后代——逗比美少女欧小诺一日玩着刀剑手游，却穿越到春秋战国，迎头撞上凶狠妖兽，幸被剑客所救……从时空裂缝过来的妖兽在上古妖魔的带领下，欲夺欧冶子所铸剑魂，化红尘为地狱；九把名剑之魂，历经相爱相杀，终于觉醒，以战国第一剑湛卢为首组成刀剑联盟，捍卫人间。Lins' Concubine 11