Environment/Nanoweb Variables

Following variables will be exported to environment for every cgi executed, and they are also available as %VARNAME in many directives (those who allow to specify response messages as LoadLimitErrorMessage, or in the RewriteRule directive for example):

SERVER_NAME

www.example.com

SERVER_SOFTWARE

SERVER_API

SERVER_ADMIN

SERVER_PROTOCOL

SERVER_ADDR

SERVER_PORT

are describing the server

REMOTE_ADDR

REMOTE_PORT

informations about the client

DOCUMENT_ROOT

where most pages come from

PATH_TRANSLATED

SCRIPT_FILENAME

contain the real path of the script

REQUEST_URI

contains the real request uri

SCRIPT_NAME

the uri fully rewritten according to rewriterules / multiviews

REDIRECT_URL

is required for compatibility with the Apache-CGI-SAPI PHP interpreter

PATH_INFO

any additonal path that was supplied to the CGI

REQUEST_METHOD

may be GET or POST

QUERY_STRING

the cgi parameters sent via GET

CONTENT_LENGTH

the length of data on STDIN submitted in a POST request

HTTP_*

most other headers of the http request are made available as environment variables with a name of the form like HTTP_WHATEVER, common are HTTP_ACCEPT_LANGUAGE, HTTP_ACCEPT, HTTP_X_FORWARDED_FOR, HTTP_USER_AGENT

Anything you add with the AddServerVar will most always appear in the CGI environment, too.

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