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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.激烈反对的同时，樊哙还对韩信出言不逊，甚至是辱骂。精彩看点然葫芦可不想两口子卧房外面多个听壁脚的，因此不要人近身伺候。Return parent;Women's Day on March 8 is a legal holiday for some citizens. Those who work normally do not receive the same overtime pay as all citizens on legal holidays. However, in this way, there will be the same salary for working and not working on the same day, and some employees may refuse or take an excuse not to work if they have work needs. For the sake of fairness and reasonableness and to mobilize the enthusiasm of employees, in practice, most enterprises will generally independently stipulate overtime pay or rest for employees who work on the same day.这个老爷已经交代过了。