## enable mod_rewrie
RewriteEngine on
## deny access to *.rhtml and *.cache
RewriteRule \.(rhtml|cache)$ - [R=404,L]
## rewrite only if requested file is not found
RewriteCond %{SCRIPT_FILENAME} !-f
## handle request to *.html by index.cgi
RewriteRule ^.*\.html$ index.cgi