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@michiel
Created July 5, 2011 10:41
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Wide-open CORS config for nginx
#
# Wide-open CORS config for nginx
#
location / {
if ($request_method = 'OPTIONS') {
add_header 'Access-Control-Allow-Origin' '*';
#
# Om nom nom cookies
#
add_header 'Access-Control-Allow-Credentials' 'true';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
#
# Custom headers and headers various browsers *should* be OK with but aren't
#
add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
#
# Tell client that this pre-flight info is valid for 20 days
#
add_header 'Access-Control-Max-Age' 1728000;
add_header 'Content-Type' 'text/plain charset=UTF-8';
add_header 'Content-Length' 0;
return 204;
}
if ($request_method = 'POST') {
add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Credentials' 'true';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
}
if ($request_method = 'GET') {
add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Credentials' 'true';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
}
}
@huynq0410
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Saved my days. I use:

add_header "Access-Control-Allow-Origin" $http_origin;
add_header 'Access-Control-Allow-Credentials' 'true';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT';

@marcosrjalves
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For firefox, i installed this plugin
https://add0n.com/access-control.html?version=0.1.9&type=install

After the nginx config above, I was still getting cors erros.
Just installed this plugin and it works

@anphetamina
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not working for me, I always get 304 redirects on backend requests

@raselsys
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@GromNaN thanks a lot :D
If you use a cache server, you must add a Vary: Origin to the response.

add_header "Access-Control-Allow-Origin" $http_origin;
add_header "Vary" "Origin";

It worked for allhost.my-domain.com

@PauloJFCabral
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I try this configuration, but it is not working. I have a backend server with my code (laravel app) Do I need to have some configurations?

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