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====== Reverse Proxy - NGINX Reverse Proxy ======

When NGINX proxies a request, it:

  * Sends the request to a specified proxy server.
  * Fetches the response.
  * Sends the response back to the client.


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[[Reverse Proxy:NGINX Reverse Proxy:Passing Request Headers|Passing Request Headers]]

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===== Pass to a domain =====

To pass a request to an HTTP proxied server, the **proxy_pass** directive is specified inside a location.

<code>
location /some/path/ {
    proxy_pass http://www.example.com/link/;
}
</code>

<WRAP info>
**NOTE:**  The address of the proxied server is followed by a URI, /link/.

  * If the URI is specified along with the address, it replaces the part of the request URI that matches the location parameter.

  * For example, the request with the /some/path/page.html URI will be proxied to http://www.example.com/link/page.html.
  * However, if the address is specified without a URI, or it is not possible to determine the part of URI to be replaced, the full request URI is passed (possibly, modified).

</WRAP>

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===== Proxy to an IP Address (and optional port) =====

<code>
location ~ \.php {
    proxy_pass http://127.0.0.1:8000;
}
</code>


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===== References =====

https://docs.nginx.com/nginx/admin-guide/web-server/reverse-proxy/