location / {if ($http_user_agent = "Mozilla/5.0 (Linux; Android 5.0; SM-G900P Build/LRX21T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Mobile Safari/537.36"){return 403;}}
作者：yangyang
链接：https://www.zhihu.com/question/491451650/answer/2172179964
来源：知乎
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https://www.zhihu.com/question/491451650

https://zhuanlan.zhihu.com/p/563071955
if ($http_user_agent ~ "SM-G900P|^$" )
{
return 403;
}