# Index – E

- environment variable
  - AUTH_TYPE
  - PATH, [1]
  - PATH_INFO
  - QUERY_ARGS
  - REMOTE_ADDR, [1]
  - REMOTE_HOST
  - REMOTE_IDENT
  - REMOTE_USER
  - REQUEST_METHOD
  - SERVER_NAME
  - SERVER_PORT
  - SERVER_PROTOCOL
- eos_sent (apache.request attribute)
- err_headers_out (apache.request attribute)

- error_fname (apache.server attribute)
- exists_config() (in module apache)
- expecting_100 (apache.request attribute)