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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.)Proxy is an object, which can be used to control access to ontology objects. It implements the same interface as ontology objects. Proxy objects will pass all calling methods to ontology objects. The most basic form of the proxy mode is to control access, while the ontology object is responsible for executing the function or class of the assigned object. Simply speaking, the local object focuses on executing the code on the page, while the proxy controls when the local object is instantiated and used. We have used some proxy patterns in the above monomer patterns, that is, using proxy patterns to instantiate the monomer patterns, and leaving other things to ontology objects.一个泪痕剑的诞生，带着不祥的预兆，命运注定它杀害铸剑师萧大师（刘丹）之子。萧大师虽知天命难为，但爱子情切，忍痛将儿子送去专营镖局的司马世家，自己则携剑隐居。 十数年后，其子司马超群长大成人，娶妻吴婉（杨盼盼），并成为镖局总堂主，但却事受到谋事卓东来（刘兆铭）的制肘。时司马镖局与雄狮堂在江湖上各霸一方，来欲吞并雄狮堂，遂派蝶舞（刘嘉玲）往雄狮堂作卧底。萧大师临终时命徒儿小高（苗侨伟）下山保护群，因……《你是我的生命》讲述的是一个关于“反哺”的故事，含辛茹苦的母亲和逐渐懂事的孩子，母亲为了孩子奉献了一生，而孩子终于也长大，成为了一个能为母亲遮风挡雨的孩子。HitrakThe People's Court approved the death sentences handed down by the Guangdong Provincial Higher People's Court to 13 murderers, including Weng Siliang and Sony Wei, who robbed Hong Kong's "Changsheng" round, and issued orders to execute the death penalty. The 13 criminals fell in court in Shanwei, Guangdong.The second category: between the two categories.