Synopsis: .htaccess referer State-Changed-From-To: open-closed State-Changed-By: marc State-Changed-When: Wed Aug 5 00:54:36 PDT 1998 State-Changed-Why: We have no plans to add that directive.
As documented very clearly in the NCSA compat page you are told to read before submitting a PR, there are several other ways to get the same functionality including mod_rewrite.
