Nginx防止DDOS、CC、爬虫攻击

一、防止DDOS、CC攻击

http { 
  limit_conn_zone $binary_remote_addr zone=perip:10m; 
  limit_conn_zone $server_name zone=perserver:10m 
  server { 
    limit_conn perip 10;      #单个客户端ip与服务器的连接数.
    limit_conn perserver 100;  #限制与服务器的总连接数
    }

二、禁止爬虫

server { 

listen 80; 
server_name 127.0.0.1; 

#添加如下内容即可防止爬虫

if($http_user_agent~*"qihoobot|Baiduspider|Googlebot|Googlebot-Mobile|Googlebot-Image|Mediapartners-Google|Adsbot-Google|Feedfetcher-Google|Yahoo! Slurp|Yahoo! Slurp China|YoudaoBot|Sosospider|Sogou spider|Sogou web spider|MSNBot|ia_archiver|Tomato Bot") { 
return 403; 
} 

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转载自www.cnblogs.com/tanxiaojuncom/p/11552477.html