proxy pass (Reverse proxy)

proxy_pass directive in used in Nginx for Reverse Proxy configurations.

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

Basic example

 server {
    listen 8356;

    location / {
        proxy_pass http://www.example.com:80/
    }
 }

Advanced example

server {
    listen 80;
    server_name www.example.com;
    location / {
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
        proxy_pass http://localhost:8090;
    }
}

Miscelaneous

proxy_http_version 1.0 | 1.1;  Default, version 1.0 is used. Version 1.1 is recommended for use with keepalive connections and NTLM authentication.

• proxy_set_header

Related directives

• upstream (Load balancing)
• rewrite
• mod_proxy

See also

• memcache
• Nginx: nginx -t, nginx.conf, /etc/nginx/fastcgi.conf, Nginx Sample Configurations, server, ssl_certificate, redirect, return, rewrite, sendfile, request_uri, server_name, listen, /etc/nginx/snippets/, /etc/nginx/sites-enabled/default
• Web server: Nginx: /etc/nginx/nginx.conf, nginx -t, Nginx logs, Nginx change log, PHP, php-fpm, Let's encrypt, Nginx directives, Reverse Proxy, Configure HTTP redirection Nginx, Return, proxy_pass (Reverse proxy), ngx_http_rewrite_module, /etc/nginx/sites-enabled/, error.log, access.log, /nginx status, AIO

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

http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_http_version