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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.《智胜鲜师》为2011年多曼尼制作有限公司制作的新校园喜剧，本剧是2000年～2004年校园偶像剧《麻辣鲜师》的续作,由曾国城、叶民志、郭昱晴、杜诗梅主演。不知道现实生活中的真情侣Pattie和Dan在剧中会摩擦出怎样的火花，可爱婆婆Ann和假媳妇Pattie之间又有怎样令人忍俊不禁的大作战。由Pattie、Dan和Ann三位演员合作带来的爱情喜剧《麻辣拳拳》让你笑翻这个夏天~本剧是根据同名小说《战火中的青春》改编的。 　　还有，赶快交稿，《倚天屠龙记》的稿子一个字都不能少。　　麦克莱恩通过无线电与鲍威尔保持着联系。然而赶到的警方负责人的官僚作风却给他添了不少麻烦。他一面与匪徒作战，一面还要帮助警方消灭匪徒的导弹发射器。匪首汉斯与麦克莱恩之间展开了一场斗智斗勇的较量。而赶到的联邦调查局官员的愚蠢自大的行动更帮助匪徒们开启了金库，达到了目的。这一切都使麦克莱恩的处境更加困难。Collected!