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The content of the website is stored on the source server, and the CDN is the cache of the content. Users are only allowed to access the CDN. If the content is not on the CDN, the CDN sends a request to the source server. In this way, as long as the CDN is large enough, it can resist great attacks. However, this method has a premise that most of the content of the website must be statically cached. For websites (such as forums) with dynamic content as the main content, we must think of other ways to minimize users' requests for dynamic data.可自己是土豪劣绅啊。西楚国很长一段时间都是两线作战的局面，以前是齐国，现在改成了淮南。HBO正式宣布续订新剧 #巴里 Barry# 第二季。本剧的故事发生在一个现代的空军基地里。一支集结我空军飞行员精英，代号为“鹰隼大队”的战斗部队就驻扎在这里。试飞员马赫（沙溢饰）对内定进入“鹰隼大队”的肖邦（林永建饰）非常不满，两人在进行空中演习时反咬盘旋，好不惊险。肖邦最后招架无力跳伞逃生，马赫无奈忍痛击落失控的战斗机。马赫在演习中表现出的绝佳驾驶技艺和出色的临战能力，被上级看重，直接升入“鹰隼大队”。与此同时，以四名科学工作者（高亚林、殷桃、刘敏、顾宇峰饰）为首的中航服务队也进驻基地，他们将为“鹰隼大队”提供科技保障服务，让这些翱翔在天空中的“鹰隼”省去在战略战术、武器装备上的后顾之忧。然而出乎意料的是中航服务队的科学家们并不是老气横秋的学者，而是具有高科技知识和优秀外表的新一代科研人员。马赫的到来让大队的另一位飞行员伍唯涛（姬晨牧饰）心生不满，同样是试飞员出身却让马赫一来就当上了他的长机，而他只能退居到僚机的位置，两人互相不满又互不服气，再一次又一次空中演习中争强斗狠，紧咬不放，让在地面观战的人无不拍手称奇。随着中航科学家与飞行员在"We don't want to see this level of attacks in other industries such as health care, because these industries are rarely equipped with adequate protection measures due to the lack of the mentality to be targeted," Bolstridge warned. "I hope everyone can regard this as a safety alarm and assess the risks they face in an appropriate way."