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In addition to solving the port problem of A, the serial number problem also needs to be paid attention to. The serial number corresponds to the sliding window. The fake TCP packet needs to be filled with the serial number. If the value of the serial number is not in the sliding window of B when it is sent to B before A, B will actively discard it. So we need to find the serial number that can fall into the sliding window between AB at that time. This can be solved violently, because the length of a sequence is 32 bits, and the value range is 0-4294967296. If the window size is like 65535 under Windows I caught in the above figure, I only need to divide, and I know that at most I only need to send 65537 (4294967296/65535=65537) packets to have a sequence number fall into the sliding window. The desired value can be calculated quickly by exhaustion on multiple control hosts.巧虎和小伙伴们正在准备给妈妈的母亲节礼物。一个神秘少年突然出现在他们的面前，并把他们带到了神奇的魔法岛，在那里，生长着一种七色康乃馨，只要对着它许下心愿，再把它送给自己最重要的人，就能梦想成真！魔法岛上的大魔法师想要独占这些康乃馨，巧虎他们能成功阻止大魔法师的邪恶计划吗？大魔法师的真实身份又是什么？一场奇妙的大冒险正等待着巧虎和他的小伙伴们……今天终于抢到票了。本剧根据真实故事改编，是一部快节奏的、惊险刺激的悬疑剧集。该剧由黄金编剧组合Alex Kurtzman、Bob Orci联合Nick Santora、Justin Lin开发，Justin Lin担任导演。故事描述高深莫测的计算机专家Walter O’Brien（Elyes Gabel）和一群同样具备天才头脑的国际计算机黑客共同组建全球防御网络，抵抗复杂的现代高科技威胁。真不是小叔，那当然好，咱们再往别处找，总要弄清个头绪不是。还顺势轻轻摇了摇他的右臂。