This is the default example configuration of proxy_params provided by nginx. This config file was generated by nginx running on Ubuntu 12.04.
It is located under: /etc/nginx/proxy_params
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
Download the raw file with wget or curl
wget -O proxy_params.example http://exampleconfig.com/static/raw/nginx/ubuntu12.04/etc/nginx/proxy_params
curl http://exampleconfig.com/static/raw/nginx/ubuntu12.04/etc/nginx/proxy_params > proxy_params.example
Other config files you might find useful
