basic-cgi-environ.txt

AUTH_TYPE
CONTENT_LENGTH
CONTENT_TYPE
DOCUMENT_ROOT 
GATEWAY_INTERFACE 
HTTP_ACCEPT 
HTTP_ACCEPT_ENCODING 
HTTP_ACCEPT_LANGUAGE 
HTTP_CONNECTION 
HTTP_COOKIE
HTTP_DNT 
HTTP_HOST 
HTTP_REFERER 
HTTP_UPGRADE_INSECURE_REQUESTS
HTTP_USER_AGENT 
HTTP_VERSION
PATH 
PATH_INFO
PATH_TRANSLATED
QUERY_STRING 
REMOTE_ADDR 
REMOTE_GROUP
REMOTE_HOST
REMOTE_IDENT
REMOTE_PORT 
REMOTE_USER
REQUEST_METHOD 
REQUEST_URI 
SCRIPT_FILENAME 
SCRIPT_NAME 
SCRIPT_URI 
SCRIPT_URL 
SERVER_ADDR 
SERVER_ADMIN 
SERVER_NAME 
SERVER_PORT 
SERVER_PROTOCOL 
SERVER_SIGNATURE 
SERVER_SOFTWARE 
UNIQUE_ID