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This article has been published by Netease Cloud Community authorized by author Lin Weihao (please do not reprint without permission). The original link: DDoS Attack and Defense: From Principle to Practice (Part I)When an attacker sends an http post request, he sets the Content-Length to a large value in the request header and sends the http body to the web server at a very slow speed, byte by byte. The web server always needs to maintain the connection with the client and wait for the data transmission to end. Because the content-length is set to a large value and the http body transmission speed is very slow, attackers can occupy this connection for a long time.　　金承佑、吴智昊、金敏贞、崔秀英上演一段4角恋情。　品学兼优却总在国语科目上败给幸树的副会长樱木（樱爱音 配音）、拥有高超的智商却因为怕麻烦而什么都不做的鸣海兔亚（小松安 配音）、拥有着可爱外表和呆萌性格的宫濑未寻（白咲葵依 配音），学生会里，围绕在幸树身边的是这些性格迥异的可爱女孩子们。薰子是否会如约替幸树保守他的秘密呢？学生会又会面临怎样的挑战？当卡拉汉家掀起一个和平的家庭度假在山上他们没有想到个人的恶魔跟随他们。孩子们发现在僻静的小屋一个超自然的存在和两代人的秘密被揭示，永远变化着的生命以及死亡。特种兵沈辣天生阴阳眼，在云南边境抓捕毒枭任务中，偶入古滇国山洞，遭遇远古祭祀干尸复活，沈辣小分队几乎全军覆没。在这危急时刻，神秘白发男子吴勉将沈辣和缉毒警察孙德胜一并救出。干尸事件后，二人机缘巧合进入“民俗事务调查研究局”，在一次次超自然事件中逐渐成长，揭开另一个世界的面纱。