synapse_ynh/conf/nginx.conf

location __PATH__ {
        proxy_pass http://localhost:__PORT__;
        proxy_set_header X-Forwarded-For $remote_addr;

        client_max_body_size 100M;

        # Use the specific path for the php file. It's more secure than global php path
        location __PATH__/cas_server.php {
            alias /var/www/__APP__/;
            fastcgi_split_path_info ^(.+?\.php)(/.*)$;
            fastcgi_pass unix:/var/run/php5-fpm-__NAME__.sock;
            include fastcgi_params;
            fastcgi_param REMOTE_USER $remote_user;
            fastcgi_param PATH_INFO $fastcgi_path_info;
            fastcgi_param SCRIPT_FILENAME cas_server.php;
        }
}