W3C httpd manual

W3C httpd Index Search Support

W3C httpd directly support index searches as CGI server scripts (or as old-style scripts as well).

Enabling Search Utility

Search utilitity is turned on by Search directive in configuration file, which specifies the absolute filesystem pathname of the script to perform the search:
        Search  /absolute/script/path/name

httpd@w3.org, July 1995