| Header         | Included 
| CONTENT_LENGTH | Yes 

AUTH_TYPE GATEWAY_INTERFACE
PATH_TRANSLATED REMOTE_HOST REMOTE_IDENT REMOTE_USER REMOTE_ADDR
REQUEST_METHOD SERVER_NAME SERVER_PORT SERVER_PROTOCOL REQUEST_URI
PATH_INFO
HTTP_X_REQUEST_START HTTP_X_MIDDLEWARE_START HTTP_X_QUEUE_START
HTTP_X_QUEUE_TIME HTTP_X_HEROKU_QUEUE_WAIT_TIME HTTP_X_APPLICATION_START
HTTP_ACCEPT HTTP_ACCEPT_CHARSET HTTP_ACCEPT_ENCODING HTTP_ACCEPT_LANGUAGE
HTTP_CACHE_CONTROL HTTP_CONNECTION HTTP_USER_AGENT HTTP_FROM
HTTP_NEGOTIATE HTTP_PRAGMA HTTP_REFERER HTTP_X_FORWARDED_FOR
HTTP_CLIENT_IP HTTP_RANGE HTTP_X_AUTH_TOKEN