https://stackoverflow.com › questions › 45986631

When the browser sends a preflight request (OPTIONS), asking the server if it's okay to send a cross-origin request, you can set up NGINX to skip this test by returning a status of 204 for all OPTIONS requests.

https://www.baeldung.com › linux › nginx-cross-origin-policy-headers

To ensure we can or can’t get data across origins, the so-called Cross-Origin Resource Sharing (CORS) policy might send the necessary HTTP headers. When it comes to NGINX, we add the latter via the add_header directive.

https://stackoverflow.com › questions › 54313216

For regular (non-OPTIONS) requests, the following are the only meaningful CORS response headers: Access-Control-Allow Origin (required), Access-Control-Allow Credentials (optional) and Access-Control-Expose-Headers (optional).

https://serverfault.com › questions › 162429

If you're using Access-Control-Allow-Credentials with your CORS request you'll want the cors header wiring within your location to resemble this. As the origin has to match the client domain, wildcard doesn't work. if ($http_origin = ''){ set $http_origin "*"; proxy_hide_header Access-Control-Allow-Origin;

https://enable-cors.org › server_nginx.html

enable cross-origin resource sharing. The following Nginx configuration enables CORS, with support for preflight requests. if ($request_method = 'OPTIONS') { add_header 'Access-Control-Allow-Origin' '*'; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; # Custom headers and headers various browsers *should* be OK with but aren't.

https://medium.com › @markpena737 › demystifying-cors-a-practical-guide-to-using-nginx...

By utilizing Nginx as a reverse proxy, you can avoid CORS issues altogether. The solution involves configuring Nginx to serve both your frontend and backend from the same domain, eliminating...

https://geekflare.com › fr › enable-cors-apache-nginx

Restreindre ou autoriser le partage des ressources entre les sites à l’aide de l’en-tête CORS. L’en-tête CORS (Cross-Origin Resource Sharing) est pris en charge par tous les navigateurs modernes.