CGI Environment Variables (Must Be Uppercase) : Environment Variables « CGI « Perl

CGI Environment Variables (Must Be Uppercase)

Name                 Value                          
AUTH_TYPE            if server supports user authentication  
CONTENT_LENGTH       The number of bytes passed from the server
CONTENT_TYPE         MIME type
DOCUMENT ROOT        The directory from which the server serves Web documents   /index.html
GATEWAY_INTERFACE    The revision of the CGI
HTTP_ACCEPT          The MIME types accepted by the client
HTTP_CONNECTION      The preferred HTTP connection type


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