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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.)　“比格斯夫人”是一个真实存在的人物，她是英国臭名昭著的火车大盗Ronald Biggs背后的女人。本剧将有五集，讲述这个女人的心路历程，从一个天真少女被迫变成一个恶棍的情妇；从专横的父亲手中逃脱，体会自由与母性的美好。《比格斯夫人》向我们深入地展现了二十世纪最恶名昭彰的犯罪之一，但更重要的是为观众揭示了一段跨越三十余年、流传全世界的爱情故事。阿里气得七窍生烟，恨恨地松开了手。SynthetcEvent encapsulates the composite event base class