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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).开始在憧憬的人手下工作的青叶，虽然对于第一次的工作感到困惑，但在以光为首的充满个性的前辈社员的帮助下一点一点地成长着。TelecommunicationsAircraft to land: Approach the appropriate runway or open and flat area. Press Page Down to lower the propulsion and slow down the plane. Press the G key to deploy the landing gear. Press the F key to increase the flap adjustment. This will slow down the plane. After landing, please use two-wheel brakes to slow down the plane. Press, (Comma) key to apply revolver brake; PressJin Xingguo also has a tendency of domestic violence,没事，凭着小兄弟的才华，当得起的。明治时代随着文明开化及迅速西化，使得日本进入前所未有的改革期。无法接受这种变化的人、及对于新政府有所不满的人因此犯下罪过。而囚禁这些罪犯的地方，便是位于日本最大湖——琵琶湖湖心的巨树监狱。以作为摆渡人，代代供奉大蛇的昙天神社三兄弟为中心，各式各样的现实与未解之谜交错，潇洒奢华的故事终于揭开序幕。