Nginx Security and Remote Addr

*scratch*.el

server{
    listen 80;
  proxy_connect_timeout       600;
  proxy_send_timeout          600;
  proxy_read_timeout          600;
  
  send_timeout                600;
    server_name asdf;
    location /{                          
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header Host $http_host;
             proxy_set_header X-Scheme $scheme;
             proxy_set_header REMOTE_ADDR $remote_addr;
             proxy_redirect off;
             proxy_max_temp_file_size 0;
             proxy_pass http://localhost:3000;
    }
}




server{
  listen 80;
  proxy_connect_timeout       600;
  proxy_send_timeout          600;
  proxy_read_timeout          600;
  send_timeout                600;
    server_name asdfasdf;
    location / {
        auth_basic "Restricted";
        auth_basic_user_file /var/data/nginx-elastic/.htpasswd;        
        proxy_pass http://127.0.0.1;        
    }
}