阿欢从小就有一个很“废”的超能力:挨一耳光就能看见他和别人剩下的见面次数。一次意外让他深信,一旦突破了次数的限制就会带来厄运。从此阿欢得过且过,游戏人间。而青梅竹马的晓彤和阿欢的见面次数高达一万多,他本以为注定是一生的伴侣,所以毫不珍惜。直到有一天,阿欢发现自己和晓彤的见面次数只剩下几次,好哥们阿伟也要离他而去。他意识到自己必须做出改变。阿欢能否打破命运的魔咒呢? According to Microsoft statistics, the upper limit of dynamic domain name queries that a DNS server can withstand is 9,000 requests per second. However, we know that tens of thousands of domain name resolution requests per second can be easily constructed on a P3 PC, which is enough to paralyze a DNS server with extremely high hardware configuration, thus showing the vulnerability of the DNS server. At present, the most commonly used DNS server software is the leading WINMYDNS in China and Bind abroad.