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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.大一新生周小安戴上一枚来历不明的古代戒指，旋即一个恐怖的魔人从他口中跃出，他的命运也因此而发生了改变。 一段人类历史上的惊天秘密在他眼前缓慢揭开——自称是商王帝辛的血魔人；以人心为食物的不死尸族；自称与尸族为敌却同样可疑的天虚宫道人；身上有诡异图案的神秘不死少女江玄燕……民国三十年代战乱中的东北，少女赵宁静(周迅饰)爱上了远房表哥林爽然(张信哲饰)，虽然当时爽然已有婚约在身，但是面对爱情来临时谁也无法阻挡，二人明知相爱的前途艰难，可是为了多见对方一面，却彼此来回沈阳与抚顺两地，只求多一些时间的相聚。彭国栋，资深谈判专家，出道以来未尝失手，亦是最快成功说服事主的纪录保持者，加上本身是「重案组总督察」，屡破奇案，锋芒毕露，向为警界明星，事业家庭两得意，所以为人颇为自负！　　声由于锋芒太露而引起犯罪头子蒋文浩的不满，派人强奸其旧女友阮静雯，声大为愤怒，誓要缉凶，并与浩的集团作战到底。晖因癫痫病被调离警局，无意中加入了浩的犯罪集团并成为其左右手，被迫与声为敌，另一方面，杰在一次意外中翻然醒悟，恢复良知，决助声对付恶势力，潜伏于浩集团做卧底。结果，杰在找到罪证时被晖打至残废，声为主持正义不得不与生死之交以枪相向……Then check the mod to be installed and synchronize it to the host. The synchronization process is the same as holding down the reset key to start, and then follow the prompt.1) The service needs rapid deployment, convenient expansion and contraction, and version rollback all need to be completed in a short time. Traditional methods consume a lot of time and energy, which is often a disaster for operation and maintenance personnel.