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The attacker first completes the three-way handshake to establish the connection, but in the last ACK reply of the three-way handshake, the TCP window size is set to 0, and then a data request is made. When the attack target sends the request result to the attacker, it stops the data transmission when it finds that the TCP window size is 0, and sends out a TCP window detection packet to ask the attacker if the TCP window has been updated. Since the attacker will not update the window size, the attack target will always maintain the TCP connection and wait for the data to be sent, and continuously carry out TCP window size detection. When the number of controlled hosts in the botnet is large, Target's connection table will gradually be exhausted, resulting in denial of service.学校开展宣传中华传统文化活动，在洛宝贝的倡议下，同学们组成了一个爱心小剧场，演出了一幕幕生动有趣的舞台剧，为观众讲述52个温馨又发人深省的中华传统爱心故事。剧中每一集故事独立成章，选取的都是我国古代具有代表性的爱心故事。有大禹治水、班超投笔从戎等为国为民之大爱；有孟母三迁、郯子鹿乳奉亲等感人的亲情；有荀巨伯不弃友独生、管仲鲍叔牙之间的动人友情；也有华佗治病救人被泽黎民的爱心篇章；有花木兰替父从军、蔺相如负荆请罪等广为传颂的经典剧情，也有朱冲送牛、查道买枣这样的鲜为人知的温暖小品。精分猫妖带着前世记忆重生，扬言要找前世恋人复仇，但是看到他就好想亲亲扑倒怎么办？！看史上最没节操的女主在高冷禁欲男神和邪魅冷艳妖王之间，如何抉择！《侠探高飞》讲述的是因为一批神秘军火引发的诸多阴谋和各派鏖战，颇有《蒸发密令》军火争夺战的意思，最亲近的朋友、处处刁难的对手，呈现给你的永远不是他的真实面目。特工003高飞不能放过任何蛛丝马迹，才能捋出头绪，寻找敌友，完成最终的任务。高飞这个角色，也是临危受命，为了民族命运才参与到寻找军火这场事关家国情仇的任务中来，“侠盗罗宾汉”的英雄侠义色彩跃然纸上。这部戏除了会上演迷踪追凶、激情对战之外，主人公高飞在执行任务过程中，还会遇到旧情新爱两难选择的情感问题，让铁汉尽展柔情一面。Ma Jinyu also couldn't understand why he couldn't refuse this young man on the grassland.尹旭有种说不出的感觉。