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Initiating a resolution request to a DNS server for a random, non-existent domain name; In this way, the DNS server needs to carry out frequent string matching. Since the corresponding results cannot be found locally, the server must use recursive queries to submit resolution requests to the upper domain name server, causing a chain reaction.A large number of controlled hosts are used to send a large number of network data packets to the attacked target, so as to cover the broadband of the attacked target and consume the network data processing capability of servers and network equipment, thus achieving the purpose of denial of service.败了？海瑞怒斥道，还有这几百人？败了？败了。Editor of Wang Yuqian Henan Eye Cancer Girl Series Report: Wang Qiang Liu Haichuan韩国KBS2早晨日日剧《爱情啊爱情啊》以上世纪70年代为背景，讲述了异母姐妹与围绕她们的两个男人的爱情故事。由《吹着风的好日子》导演李德建执导，孙智慧、郑贤敏编剧，黄善熙、宋敏静、吴彰锡、金山镐、金英玉主演。青梅竹马的谷微与徐子睿如欢喜冤家般的共同成长，在四年大学生活中互相鼓励、学习和生活共同进步，在相处中慢慢喜欢上彼此却又互相较劲说不出口，因种种误会而遗憾错失的两人，多年后成长成熟，再次重逢，这一次，谁都不愿再放手。第四集Arrow:Season 8-Episode 8Crisis on Infinite Earths: Part Four