Wednesday, August 20, 2008

CGI server variables

CGI server variables

The following table describes common CGI environment variables that the server creates (some of these are not available with some servers):

CGI server variable

Description

SERVER_SOFTWARE

Name and version of the information server software answering the request (and running the gateway). Format: name/version.

SERVER_NAME

Server's hostname, DNS alias, or IP address as it appears in self-referencing URLs.

GATEWAY_INTERFACE

CGI specification revision with which this server complies. Format: CGI/revision.

SERVER_PROTOCOL

Name and revision of the information protocol this request came in with. Format: protocol/revision.

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