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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.)也不见得能够在这么短的时间内做出这样详尽的战略决策来。吕文心打趣道：怎么样，有压力了吧？还行吧。4. When a ship detects another ship by radar alone, it shall determine whether an urgent situation is forming and/or there is a danger of collision. If so, avoidance actions should be taken as early as possible. If such actions include turning, the following points should be avoided as much as possible:Incident: Starting from February 20, 2018, many graduates of Qingzhou University began to come forward to expose the long-term sexual harassment of female students by Zhao Minji, a famous actor who is a professor in the drama department of the university.