Remember the Nginx 400 error once

There is a page under a non-CDN domain name and you need to request resources under the CDN domain name. So I set up the Nginx on the source station of the CDN.

Add_header ' access-control-allow-headers ' X-requested-with '
Add_header ' Access-control-allow-methods ' get,post,options
Add_header ' Access-control-allow-origin ' xx.com '

The page also requests a. Do interface, which is deployed under another domain name, and then uses the Proxy_pass http://xx.com;

The result is tragic, reported above the request,request header or cookie too large, the online solution is in

Client_header_buffer_size 16k;
Large_client_header_buffers 4 64k;

The final treatment method is to Proxy_pass Ip:port;

The specific reason for the moment is not to delve into, for the time being so deal with.

Remember the Nginx 400 error once