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Application layer attacks use more sophisticated mechanisms to achieve hacker targets. Application layer attacks do not use traffic or sessions to flood the network, but slowly deplete resources on the application layer for specific applications/services. Application layer attacks are very effective at low traffic rates. From a protocol point of view, the traffic involved in the attacks may be legitimate. This makes application layer attacks more difficult to detect than other types of DDoS attacks. HTTP flood, DNS dictionary, Slowloris, and so on are examples of application layer attacks.Consider at least one ViewGroup and one View翘儿大惊，像被火炭烫到一样扔下了簪子。When he said that, It aroused my interest. In normal interviews, I would try my best to quietly listen to the presenter's whole memory before properly placing a few questions. But this time he only said the beginning, and I couldn't help asking questions, because he mentioned animals first. That was what I was still thinking. It might be a horrible creature like a dog in position 142? However, when he said that there were still flying, I knew there must be "new things" that had not appeared in the first two positions, so I inserted a word at every opportunity:脸上表情不便，说道：江东一带人口本就稀少，百姓又连年遭到盘剥，即便是拿着金钱，也买不到粮食。　　为开辟新的革命根据地，红一方面军某师接受命令，肃清四川的反动土匪武装，减轻中央主力部队的作战压力。师警卫营女营长凌凤侠带领的女子营接到命令，掩护师部向拟开辟的根据地进发。凌凤侠却看中一支运送军用物资的车队，在没有命令的情况下发起攻击行动，缴获了大量军用物资，干扰了师部的行动计划，受到军纪处罚。更为惊险的是因这次擅自行动，女子营与当地的割据军阀胡三眼发生冲突并结下仇怨。