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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.As of October 1714: 00 Beijing time, the government has not released the POC/EXP of the vulnerability.话说到这个份上，显然青龙影视很有诚意。华灯初上的香港，异彩纷呈的模特决赛吸引了众人的目光。清新美丽的模特李菲菲已经被宣布为冠军得主，就在她的纤细的手指触到奖杯的一刹那，意外发生了--关于她丑闻的传单在会场中如雪片飘扬，李菲菲的冠军梦也随风而逝……　　张琪全无恋爱经验，笨头笨脑的追求只能弄出笑话。马勇只好传授追求前妻的必杀技！张琪用马勇的方法应付晓红的考验，却微妙地令马勇仿如跟前妻重新谈一次恋爱！This Break改编自汤姆·克兰西的畅销小说，是《爱国者游戏》的续集。哈里森·福特依旧饰演美国中情局干员杰克·雷恩，这一次他卷入了哥伦比亚的贩毒战争之中，因为美国总统的友人遭毒贩谋杀，雷恩奉命追查真相。但另一方面总统又派了秘密的突击小组对付毒贩集团，使雷恩在状况不明、敌友不分的情况下陷入重重危机之中。导演菲利普·诺伊斯的叙事手法简练，将后冷战时代复杂的国际局势和政治权谋的诡异多变交代得很清楚，同时也兼顾了动作场面紧张刺激的娱乐性，堪称是成功的政治惊险片，但观众欣赏本片时非得聚精会神不可，要不然难以了解其中的微言大义。