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一部黑人歌舞音乐片，关于大萧条时期南方一家非法经营的酒吧。影片改编自马克·吐温所著的《王子与乞丐》，讲述了安娜丽丝公主与和她外表却长得一模一样的贫穷乡村女孩艾丽卡相遇相识以及最后两人都找到了自己心中真正所爱的故事。Let's look at EventHandler's source code first.In TCP protocol, messages arriving at the destination will enter the buffer of the TCP stack and will not be forwarded to the receiving system until the buffer is full. This is to minimize the number of times the system empties the buffer. However, the sender can force the receiving system to clear the contents of the buffer by sending a TCP message with a PSH flag of 1. The TCP PUSH + ACK attack, like the TCP SYN attack, aims to deplete the resources of the victim system. When an attacker sends TCP messages with PSH and ACK flags set to 1 to the Target host, these messages will cause the Target system to clear all TCP buffers (whether the buffers are full or not) and respond with an acknowledgement message. If this process is performed by a large number of controlled hosts, the system will not be able to process normal data, resulting in denial of service.森林守护者 刚刚失去母亲的少女玛丽·凯瑟琳“M.K”（阿曼达·塞弗里德 Amanda Seyfried 配音）乘坐出租车来到一座几乎与世隔绝的大森林。这里生活着他的父亲，一个坚信森林里生活着矮人族的科学家，为了找到这些小生灵，他不惜牺牲家庭和婚姻。玛丽到达的那天刚好是夏至和满月，一个百年一次的特殊日子。包围着森林绿色和祥和的森林守护者的女王塔拉（Beyoncé Knowles 配音）将在这天选出继承人，然而他们的死对头Boggan人却要想方设法阻止继承人的诞生，这样便可以顺利地将腐烂和死亡的气息带到森林每一个角落。若是我去了，会给岳父他们带去灾祸。