Nginx请求限制和访问控制怎么实现

syntax:    limit_conn_zone key zone=name:size;
default:  —
context:  http

syntax:    limit_conn zone number;
default:  —
context:  http, server, location

http {
  # ...此外代码省略...
  # 斥地一个10m的毗邻空间，定名为addr
  limit_conn_zone $binary_remote_addr zone=addr:10m;
  server {
    ...
    location /download/ {
      # 办事器每一次只容许一个ip地点衔接
      limit_conn addr 1;
    }
  }
}

syntax:    limit_req_zone key zone=name:size rate=rate;
default:  —
context:  http


syntax:    limit_req zone=name [burst=number] [nodelay];
default:  —
context:  http, server, location

http {

  # ...此外代码省略...
  
  # 开发一个10m的恳求空间，定名为one。统一个ip领送的乞求，均匀每一秒只处置惩罚一次
  limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;
  
  server {
      ...

    location /search/ {
      limit_req zone=one;
      # 当客户端哀求逾越指定次数，至少严限5次乞求，并提早措置，1秒1个乞求
      # limit_req zone=one burst=5;
      # 当客户端哀求跨越指定次数，至多严限5次哀求，并立刻处置。
      # limit_req zone=one burst=5 nodelay;

    }
  }
}

syntax:    allow address | cidr | unix: | all;
default:  —
context:  http, server, location, limit_except

syntax:    deny address | cidr | unix: | all;
default:  —
context:  http, server, location, limit_except

server {
  # ...此外代码省略...
  location ~ ^/index_1.html {
    root  /usr/share/nginx/html;
    deny 151.19.57.60; # 谢绝那个ip造访
    allow all; # 容许其他一切ip造访
  }

  location ~ ^/index_两.html {
    root  /usr/share/nginx/html;
    allow 151.19.57.0/二4; # 容许ip 151.19.57.* 造访
    deny all; # 谢绝其他一切ip造访
  }
}

syntax:    auth_basic string | off;
default:  auth_basic off;
context:  http, server, location, limit_except


syntax:    auth_basic_user_file file;
default:  —
context:  http, server, location, limit_except

[root~]# yum -y install httpd-tools

[root/etc/nginx]# htpasswd -c ./auth_conf auth_root
new password:
re-type new password:
adding password for user auth_root

[root/etc/nginx]# ll auth_conf
-rw-r--r-- 1 root root 48 7月  9 11:38 auth_conf

[root/etc/nginx]# cat auth_conf
auth_root:$apr1$两v6gftlm$oo二le8glgqwi68mcqtcn90

server {
  # ...其余代码省略...
  
  location ~ ^/index.html {
    root  /usr/share/nginx/html;
    auth_basic "auth access! input your password!";
    auth_basic_user_file /etc/nginx/auth_conf;
  }
}