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Another end-host-based solution is to shorten the time between a TCB entering the SYN-RECEIVED state and being recycled because it does not enter the next state. However, an obvious disadvantage of this scheme is that the attack can take advantage of ACK-SYN lost packets due to congestion or ACK packets completed by handshake, so that legally connected TCB will be recycled because the host is busy retransmitting these packets (because SYN-RECEIVED time is reduced). In addition, there is only a linear relationship between how much time the administrator reduces the SYN-RECEIVED state and the attacker's contract awarding rate. For the above reasons, this scheme is not recommended.From this point, we can draw a conclusion: the Vietnamese army has not only planned for a long time to use "living biological weapons", but also conducted a lot of research and drills, even live ammunition tests, before using them. According to the obtained data, it has formulated corresponding usage methods and tactics, and may even form relevant written regulations and regulations.黄瓜含笑在旁瞧着，见弟弟解释清楚了，就示意另外两队开始，黄豆也跳下桌子。然后吩咐随从，把告诉消息的人找来，泥鳅瞅人不备，也跟着去了。　　Secondly, summarize more and find rules. My habit is to review my daytime work every night to see what can be done better and what is the specific method. In addition, from these chores, we should try our best to explore the laws behind them, so that they can be used.Operation: Plug in the power supply of the mobile phone-ensure the normal operation of iTunes-hold down the volume reduction key on the left side of the mobile phone while holding down the hand mechanism-hold down the two keys for 10 seconds at the same time-release the power supply key, but continue to press the volume reduction key for 5 seconds. If the screen remains black, congratulations, it's done! Your iPhone7Plus has entered DFU mode.