Nginx settings disable OPTIONS requests and allow cross-domain tutorials!

To disable OPTIONS requests in Nginx and allow cross-origin, you can follow the tutorial below to configure:

1. Open the Nginx configuration file:
   Execute the following command in the terminal to edit the Nginx configuration file:

   sudo nano /etc/nginx/nginx.conf

2. Add configuration to disable OPTIONS requests:
   Inside  httpthe block add the following configuration:

   server {
       listen 80;
       server_name example.com;  # 替换为您的域名或IP地址
   
       location / {
           if ($request_method = OPTIONS) {
               return 403;
           }
   
           # 其他配置项...
       }
   }

   will  example.combe replaced with your domain name or IP address.

3. Add configuration to allow cross-origin requests:
   Inside  httpthe block add the following configuration:

   server {
       listen 80;
       server_name example.com;  # 替换为您的域名或IP地址
   
       location / {
           add_header 'Access-Control-Allow-Origin' '*';
           add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
           add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
           add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
   
           # 其他配置项...
       }
   }

   will  example.combe replaced with your domain name or IP address.

4. Save and close configuration file:
   Press  Ctrl + X, then Enter  Yto save changes and close the editor.

5. Test whether the configuration is correct:
   Execute the following command in the terminal to verify whether the Nginx configuration is correct:

   sudo nginx -t

6. Restart Nginx:
   Execute the following command in the terminal to restart the Nginx service:

   sudo service nginx restart

Disable OPTIONS requests and allow cross-origin settings in Nginx by following the steps above. Please make sure to use the correct server name or IP address when editing the Nginx configuration file.