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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.)接着就是湖州巡抚、湖州知府等当地大小官员，不好亲自上门，派了亲近人来送贺仪，随清辉县令一起登门。New variable name: ClassPathThe 50,000-yuan Arrow Factory video told it a series of videos (producer Wang Shaojun, Guo Rongfei, host Li Dongling, photographer Lan Danqing, edited Wu Lanruo)这一日，从日出到日落，可谓是一滴血也没有见。果然，项羽大肆在关中主持分封，根本没有请示过自己这个楚王，他忘记了自己是楚国的臣子，将自己完全忽略了。4 The minimum speed for 3 lanes in the same direction is: 110 kilometers per hour for the left lane; The middle lane is 90km; The right lane is 60 kilometers.