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The sockstreet attack first completes the tcp three-way handshake the tcp connection is established, but in the last ack reply of the three-way handshake, the attacker sets its tcp window to 0 and then makes a data request. When the target discovers that the TCP window size at the receiving end is 0 when transmitting data, it will stop transmitting data and issue a TCP window probe packet to ask the attacker if its TCP window has been updated. Since the attacker does not change the size of the tcp window, the target will always maintain the tcp connection waiting for data to be sent and continuously carry out window update detection. If the attacker uses a large number of controlled hosts to carry out sockstreet attacks, the target will always maintain a large number of tcp connections and carry out a large number of window update detection, and its tcp connection table will gradually run out.The sourceable interface's second Sub2!《春天的绞刑架》:讲述了杜枯荣在共产党人的引导下，在世间真善美的感染下，终走回正道的人生成长和救赎故事。杜枯荣本质善良，却在奶奶的宠溺下有些任性，因被冤入狱。在狱中遇到了共产党人梅永远，心中的善与义逐渐被他自己感受到。杜枯荣想方设法逃离监狱，希望有机会为自己的案子找到真相，也为自己过去的跋扈而赎罪。逃离看守所的杜枯荣看到万森对母亲的伤害，更怀疑自己被陷害与其有关。躲在大杂院中，开始帮助那些穷困的孩子，帮助地下党印刷进步刊物，被发现行踪后关入荒岛监狱。越狱后的杜枯荣奋起反击被抓入教化院，在那里再次遇到梅永远，梅告知自己身份后让他带着纸条逃出教化院，杜枯荣被梅永远一心为大众的精神所感，经历了心灵的洗礼，从小我走向大我，最终完成梅交代的使命，也了解自己案子的真相，惩罚了恶人，伸张了正义。　　描述被丧尸病毒肆虐的一所高中里与世隔绝的人和想要营救他们的人历经的故事。剧集讲述了秦始皇嬴政在吕不韦、李斯、王翦等的辅佐下平灭六国、一统天下，建立起中华历史上第一个大一统的中央集权国家的故事。就当有缘吧，他心里想道。