NOTE: This is a DistributionDocument.

• Please help maintain high quality documentation: This is a wiki, please fix the documentation if you find errors or incomplete content.
• Put questions and suggestions concerning the documentation of this topic in the comments section below.
• Use the Support web for problems you are having using TWiki.
• Use the Sandbox web to evaluate & test TWiki.

HTTP -- get HTTP headers

• Called with the name of an HTTP header field, returns its value. Capitalization and the use of hyphens versus underscores are not significant.
• Syntax: %HTTP%
• Syntax: %HTTP{"Header-name"}%
• Examples:

  %HTTP%
  %HTTP{"Accept-language"}%	zh-CN
  %HTTP{"User-Agent"}%	YisouSpider

• Limitation: For security reasons, the COOKIE field value cannot be retrieved. You can add or delete hidden fields by changing the {HTTP}{HiddenFields} configuration parameter.
• Note: You can see the HTTP headers your browser sends to the server on a number of sites e.g. http://www.ericgiguere.com/tools/http-header-viewer.html
• Category: SystemInformationVariables
• Related: HTTPS, REMOTE_ADDR, REMOTE_PORT, REMOTE_USER

Comments & Questions about this Distribution Document Topic