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The attack uses the method of sending a large number of domain name resolution requests to the attacked server, Usually the domain name requested to be resolved is randomly generated or does not exist on the network. When the attacked DNS server receives the domain name resolution request, it will first look for whether there is a corresponding cache on the server. If it cannot be found and the domain name cannot be directly resolved by the server, the DNS server will recursively query the domain name information from its upper DNS server. The process of domain name resolution brings a great load to the server. If the number of domain name resolution requests exceeds a certain number per second, the DNS server will time out to resolve domain names.Article 13 Those who have been engaged in maintenance and testing of fire-fighting facilities and fire safety assessment activities for more than three years before the implementation of these Provisions and meet the qualification conditions stipulated in Articles 9 and 11 of these Provisions (except for the working time of secondary qualification) may apply for temporary primary qualification within six months from the date of implementation of these Provisions.从上世纪80年代变成了现代的迈阿密，美国南部城市迈阿密一直以来都是毒品犯罪的“茂盛”繁殖地。美国联邦调查局（FBI）更是从来都没有放松过对这一带地区的监控，尤其是那些享誉拉美的大毒枭们，早已成为了警方最为关注的焦点。当前，正有一个棘手的大宗毒品走私案在紧张的调查中。迈阿密警方自然也派出了多位精明强干的警探参与其中，黑人警察里卡多与詹姆斯·科罗凯特一个正面追查毒品走私的线路，一个则假扮成小毒贩，卧底于一个较大的贩毒团伙内。铃木云母（芋生悠）寄居在同居人小野希（吉田仁人）担任店主的咖啡店，每天一边找工作一边打工。故事发生在录像带大行其道的1996年，在一个名叫波林的城镇里，视听社和戏剧社的高中生们特立独行，努力应对着成长过程中迸发难抑的情感，勇敢面对青少年生活的跌宕起伏。美国CIA特工受命潜入俄罗斯西伯利亚的俄天然气开采公司，希望以此阻拦俄罗斯人获取廉价开采天然气的新技术。到达寒冷的目的地后，他发现周围的一切并不简单。时装中篇剧《还我本色》，描述人在黑社会打滚，原因各异，际遇各有不同，一旦踏足，却不能自拔，最终是潦倒一生，难道真的「人在江湖、身不由己」？