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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.The setting of the application of the startup mode of the activity is related to its development scenario. There are basically two situations for opening a new activity in the App:胡宗宪何尝不知道这个意思，当即满足，亲书一信与司衙，务必让汪直与家人相聚。铁胆火车侠与黑暗军团两军离开数年后。由于黑暗军团再没有入侵地球的事被判明，JHR基地面临着被封闭的命运。不过现在，黑暗军团又再度袭来。他们的目的是为了带给人类不幸，并利用人类小学生圣桥健太来协助他们做坏事。期间健太误入了500系新干线所行使的铁轨上而快要被火车撞到。就在这时，光能量从宇宙飞来并与500系新干线合体，电光快车侠Lightning West变形！铁胆火车侠与黑暗军团的战斗又再度展开了。她打开网站一看，还真是这么一回事，有三分之一的作品，断更或者突然结尾了。* Blind a few writings, or king to, modern settings　　发现赖敏的心愿单后，丁一舟穷追不舍，终得知赖敏患有“企鹅病”，一种发病率仅为十万分之三的绝症。为完成赖敏“环游中国”的心愿，丁一舟骑单车拉轮椅，带她及其爱犬阿宝从柳州出发，踏上“走心”之旅。