CFML Reference
Variables and Reserved Words

Standard CGI variables

This section lists the CGI 1.1 variables that some web servers create when a CGI script is called.

The CGI variables that are available for your use vary with the web server and configuration. Some of the following variables may not be available.

Request

CGI.AUTH_TYPE

CGI.CONTENT_LENGTH
CGI.CONTENT_TYPE
CGI.PATH_INFO
CGI.PATH_TRANSLATED
CGI.QUERY_STRING
CGI.REMOTE_ADDR
CGI.REMOTE_HOST
CGI.REMOTE_USER
CGI.REQUEST_METHOD
CGI.SCRIPT_NAME

Server

CGI.GATEWAY_INTERFACE

CGI.SERVER_NAME
CGI.SERVER_PORT
CGI.SERVER_PROTOCOL
CGI.SERVER_SOFTWARE

Client

CGI.CERT_ISSUER

CGI.CERT_SUBJECT
CGI.CLIENT_CERT_ENCODED
CGI.HTTP_ACCEPT 
CGI.HTTP_IF_MODIFIED_SINCE
CGI.HTTP_USER_AGENT

The CERT_ISSUER, CERT_SUBJECT, CLIENT_CERT_ENCODED variables are available only when you use client certificates.

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