#全局配置
limit_req_zone $anti_spider zone=anti_spider:10m rate=15r/m;
#某个server中
 limit_req zone=anti_spider burst=30 nodelay;
 if ($http_user_agent ~* "xxspider|xxbot") {
 set $anti_spider $http_user_agent;
}
 

server {  
        listen       80;  
        server_name  www.xxx.com;  
  
        #charset koi8-r;  
  
        #access_log  logs/host.access.log  main;  
  
        #location / {  
        #    root   html;  
        #    index  index.html index.htm;  
        #}  
    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;  
        }  
  
    location ~ ^/(.*)$ {  
                proxy_pass http://localhost:8080;  
        proxy_redirect          off;  
        proxy_set_header        Host $host;  
        proxy_set_header        X-Real-IP $remote_addr;  
        proxy_set_header       X-Forwarded-For   $proxy_add_x_forwarded_for;  
        client_max_body_size    10m;  
        client_body_buffer_size 128k;  
        proxy_connect_timeout   90;  
        proxy_send_timeout      90;  
        proxy_read_timeout      90;  
        proxy_buffer_size       4k;  
        proxy_buffers           4 32k;  
        proxy_busy_buffers_size 64k;  
        proxy_temp_file_write_size 64k;  
    }  
      
        #error_page  404              /404.html;  
  
        # redirect server error pages to the static page /50x.html  
        #  
        error_page   500 502 503 504  /50x.html;  
        location = /50x.html {  
            root   html;  
        }  
  
        # proxy the PHP scripts to Apache listening on 127.0.0.1:80  
        #  
        #location ~ \.php$ {  
        #    proxy_pass   http://127.0.0.1;  
        #}  
  
        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000  
        #  
        #location ~ \.php$ {  
        #    root           html;  
        #    fastcgi_pass   127.0.0.1:9000;  
        #    fastcgi_index  index.php;  
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;  
        #    include        fastcgi_params;  
        #}  
  
        # deny access to .htaccess files, if Apache's document root  
        # concurs with nginx's one  
        #  
        #location ~ /\.ht {  
        #    deny  all;  
        #}  
    }