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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).王朝是一个新的具有里程碑意义的系列。这个系列将记录世界上最具标志性的动物的故事，在世界最知名的地点，他们为了维系自己的王朝而努力奋斗着。在每一集里面，他们每个个体的故事都会通过激烈的、引人入胜的戏剧情节展开。该剧讲述为了保护妻子而误伤人命的李宽在十七年铁窗生涯出狱后，得知前妻丁香一直带着有精神障碍的婆婆和双胞胎儿女生活至今，李宽自责又自卑，整日过着“不知所措”的生活。丁香怕李宽重复犯罪，便将其接回家里，希望帮助李宽重新树信心，一家人经历了痛苦的交锋与挣扎，最终走出阴霾。但是《笑傲江湖》这部剧的编剧和制片人都是天启，再加上之前的《东方不败外传》中东方姑娘已经深入人心，现在守在电视机前的观众恐怕有不少人都希望天启能大幅度修改剧情。范依兰转过身来，才发觉人家连夜来营救自己，到现在却连一句道谢的话都没说。