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Since http is based on tcp, You need to complete a three-way handshake to establish a tcp connection before you can start http communication, Therefore, when http flood attacks are carried out, it is not possible to use forged source ip addresses to launch attacks. An attacker will typically use an http proxy server, Not only can the source be hidden from being traced, It also improves attack efficiency-after the attacker connects to the proxy server and sends the request, You can directly disconnect from the proxy server and start connecting to the next proxy server, At this time, the http connection between the proxy server and the target web server is still maintained, and the web server needs to continue to accept and process data. An efficient http flood attack should continuously send http requests for different resources and pages, and request resources that cannot be cached as much as possible (such as keyword search. User-related information, etc.)恐怖组织眼镜蛇在控制住了所有国家的元首之后，他们终于开始要向美国总统动手了，他们的目标就是控制全世界。而特种部队这边则因为出现了叛徒而忙乱不已。因为上一次的交手，谁也没有赢，所以特种部队和眼镜蛇两方面都在寻找下一次袭击对方的机会。只是，这次的战斗对于特种部队来说更是难上加难。因为他们不仅仅要对付眼镜蛇这一伙人，还有自己的叛徒。除此之外，全世界被控制住的政要都开始反对特种部队了想到这里，英布更坚定了一点，一定要送妻儿安然离开。不知道独孤求败的玄铁重剑和这屠龙刀、倚天剑，谁更厉害？文小桃想道。Broadcasting最终的结果只有一个，那就是死……熊心心头如遭重击，猛然后退几步，颤抖地看着尹旭一句话也说不出来。Singleton: Guarantees that a class has only one instance and provides a global access point to access it.