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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.
This section lists the following CGI 1.1 variables that some web servers create when a CGI script is called:
CGI.AUTH_TYPE CGI.CONTENT_LENGTH CGI.CONTENT_TYPE CGI.METHOD CGI.PATH_INFO CGI.PATH_TRANSLATED CGI.QUERY_STRING CGI.REMOTE_ADDR CGI.REMOTE_HOST CGI.REMOTE_USER CGI.REQUEST_METHOD CGI.SCRIPT_NAME
CGI.GATEWAY_INTERFACE CGI.SERVER_NAME CGI.SERVER_PORT CGI.SERVER_PROTOCOL CGI.SERVER_SOFTWARE
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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