Standard Common Gateway Interface Variables Available
Note
Indexing Service is no longer supported as of Windows XP and is unavailable for use as of Windows 8. Instead, use Windows Search for client side search and Microsoft Search Server Express for server side search.
The variables below are normally set by Common Gateway Interface (CGI) program execution and can be referred to in the .idq or .htx files.
| HTTP Variable | Meaning |
|---|---|
| ALL_HTTP | All HTTP headers that were not already parsed into one of the listed variables. These variables are of the form HTTP_header field name with each variable separated by \r\n; for example: HTTP_ACCEPT: */*, q=0.300, audio/x-aiff, audio/basic, image/jpeg, image/gif, text/plain, text/html HTTP_USER_AGENT: Microsoft Internet Explorer/0.1 (Win32) HTTP_REFERER: http://webserver/samples/dbsamp/dbsamp3.htm HTTP_CONTENT_TYPE: application/x-www-form-urlenPRE: 10 HTTP_EXTENSION: Security/Digest |
| AUTH_TYPE | The type of authorization in use. If the user name has been authenticated by the server, this will contain Basic. Otherwise, it will not be present. |
| CONTENT_LENGTH | The number of bytes that the script can expect to receive from the client. |
| CONTENT_TYPE | The content type of the information supplied in the body of a POST request. |
| GATEWAY_INTERFACE | The revision of the Common Gateway Interface (CGI) specification with which this server complies. The current version is 1.1. |
| HTTP_ACCEPT | Special-case HTTP header. Values of the Accept: fields are concatenated, separated by “,”; for example, if the following lines are part of the HTTP header: accept: */*; q=0.1 accept: text/html accept: image/jpeg then the HTTP_ACCEPT variable will have a value of: */*; q=0.1, text/html, image/jpeg. |
| PATH_INFO | Additional path information, as given by the client. This comprises the trailing part of the URL after the script name but before the query string (if any). |
| PATH_TRANSLATED | This is the value of PATH_INFO, but with any virtual path name expanded into a directory specification. |
| QUERY_STRING | The information which follows the question mark (?) in the URL that referenced this script. |
| REMOTE_ADDR | The IP address of the client. |
| REMOTE_HOST | The host name of the client. |
| REMOTE_USER | This contains the user name supplied by the client and authenticated by the server. |
| REQUEST_METHOD | The HTTP request method. |
| SCRIPT_NAME | The name of the script program that is being run. |
| SERVER_NAME | The server’s host name (or IP address) as it should appear in self-referencing URLs. |
| SERVER_PORT | The TCP/IP port on which the request was received. |
| SERVER_PROTOCOL | The name and version of the information-retrieval protocol relating to this request, usually HTTP 1.0. |
| SERVER_SOFTWARE | The name and version of the web server under which the Internet Server Extension is running. |