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Nginx gets the value of the custom header header

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Release: 2016-07-28 08:26:48
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Nginx reads custom headers

Reference information:
http://stackoverflow.com/questions/8393772/how-to-get-non-standard-http-headers-on-nginx
http://nginx .org/en/docs/http/ngx_http_core_module.html#underscores_in_headers
http://serverfault.com/questions/297225/nginx-passing-back-custom-header
https://easyengine.io/tutorials/nginx/forwarding -visitors-real-ip/
http://www.ttlsa.com/nginx/nginx-proxy_set_header/
The following is obtained:
1. nginx supports reading non-nginx standard user-defined headers, but it needs to be Enable header underline support under http or server:

  • underscores_in_headers on;

2. For example, if we customize the header to be

$http_x_real_ip; (Always use lower case, and there is an extra http_ in front)
  • 3. If you need to pass the custom header to the next nginx:

If you customize it in nginx, use proxy_set_header X_CUSTOM_HEADER $http_host ;
  • If the header is customized when the user requests it, such as curl –head -H “X_CUSTOM_HEADER: foo” http://domain.com/api/test, you need to pass
  • proxy_pass_header X_CUSTOM_HEADER
  • to pass

    Example:
<span>http</span><span>{</span><span>
    upstream myServer </span><span>{</span><span>        server </span><span>127.0</span><span>.</span><span>0.1</span><span>:</span><span>8082</span><span>;</span><span>}</span><span>
    underscores_in_headers on</span><span>;</span><span>
    server </span><span>{</span><span>
        listen       </span><span>80</span><span>;</span><span>
        server_name  localhost</span><span>;</span><span>        location  </span><span>/</span><span>{</span><span>
  	    proxy_set_header </span><span>Some</span><span>-</span><span>Thing</span><span> $http_x_custom_header</span><span>;;</span><span>
  	    proxy_set_header X</span><span>-</span><span>Forwarded</span><span>-</span><span>For</span><span> $proxy_add_x_forwarded_for</span><span>;</span><span>
  	    proxy_pass http</span><span>://</span><span>myServer</span><span>;</span><span>}</span><span>}</span><span>}</span>
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The above introduces Nginx to obtain the value of the custom header, including the content. I hope it will be helpful to friends who are interested in PHP tutorials.

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