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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.　　本剧的中心人物郭彩三是一个具有浓郁传统观念的人物，全剧通过郭彩三的视角贯穿整个范府大院的兴衰。他从范府一个小听差的，凭借个人能力成为范府大管家。在日本侵略者占领北平时被日本人逼迫做了税务局长，但在地下党“蔡老板”引领下，为共产党八路军做过很多有益的事，表现了一个中国人应有的民族气节。但在国民党统治时期，被定为北平头号大汉奸。北平解放后，共产党给郭彩三平了反。而他与年轻的范家太太月娘、丫环玲子、范家大小姐念人、二小姐念春之间的感情纠葛，更是让全剧充满了灵与肉的搏杀，故事跌宕起伏、如果您喜欢这部作品，欢迎您来投推荐票、月票，您的支持，就是我最大的动力。但是他的国土和封地很多都在我们的控制之中，影响并不是很大。Updated October 30听父亲的。　　此时，潘仁美、杨家将两家各执一词，互告死状。寇准从山西太谷县七品县令调进京城主持审案，八贤王为了使杨家将沉冤昭雪，帮助寇老西儿与奸臣潘仁美和王强巧妙周旋、争斗，最终不仅保护了杨六郎，还使大宋王朝转危为安。看清朝廷险恶的内幕后，寇准激流勇退，挂冠而去。