Nginx uses the limit module to set IP concurrency to prevent CC attacks

Nginx uses the limit module to set IP concurrency to prevent CC attacks in nginx. add the following line to the http field in conf: limit_req_zone $ binary_remote_addr zone = one: 10 m rate = 1r/s; # Add the following line to the average 1r/s request per second in the host definition document configured under the server (which is global under the server) limit_req zone = one burst = 8; queue mode: limit_req zone = one burst = 8 nodelay; ### do not use the default queue burst (burst is 0). If you only want to restrict php requests, add them to location ~ \. Php $ {try_files $ uri = 404; fastcgi_split_path_info ^ (. + \. php )(/. +) $; fastcgi_pass unix:/var/run/php-fpm.sock; fastcgi_index index. php; include fastcgi_params; limit_req zone = one burst = 8 nodelay; reload nginx to nginx-s reload reference 1: restart: