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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.Freemind: Windows, Mac, Linux11. Don Malik袁梅花拥有一个幸福的家庭，但为了照顾女儿和婆婆，她放弃工作。然而一场变故，让原本和睦的家庭濒临崩溃。梅花为了挽救家庭忍辱负重，但还是以离婚收场。生活的变故，并没有击垮梅花，她靠自己的努力，在朋友程有信的帮助下，开始重新创业。俩人不但把生意做好，还在合作中萌生爱意。当程有信和梅花的前任都想复合时，梅花突然听到程有信准备和前妻回美国，于是赶往机场向程有信求婚。两人为爱情而守候，为事业而奋斗。梅花的善良自信和果敢坚定，让她不但拥有了成功的事业，还她收获了幸福的爱情。杨长帆连连纠正，别人若告发你，我可保不住。叔大……不要再……推辞了……高拱几乎要憋出内伤。85.5/74.9-1=14%