回帖：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
著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。
https://www.zhihu.com/question/491451650

https://zhuanlan.zhihu.com/p/563071955

if ($http_user_agent ~ "SM-G900P|^$" )
{
return 403;
}

#禁止垃圾蜘蛛抓取
if ($http_user_agent ~* (SemrushBot|python|Linespider|crawler|DingTalkBot|simplecrawler|ZoominfoBot|zoombot|Neevabot|coccocbot|Facebot|YandexBot|Adsbot|DotBot|Applebot|DataForSeoBot|MJ12bot|BLEXBot|trendictionbot0|trendictionbot|AhrefsBot|hubspot|opensiteexplorer|leiki|webmeup)) { return 444;
}