Can't Change Security for .asmx/js, .asmx/jsdebug, .svc/js, .svc/jsdebug

ASP.Net and WCF generate javascript files to help calling web services over ajax.  I wan't to keep my webservices themselves locked by security but I want to free up the javascript files from security.  However, something like this is not working:
     <location path="MyService.asmx/js">
        <system.web>
            <authorization>
                <allow users="*"/>
            </authorization>
        </system.web>
    </location>
Also, this requires my to individually free up each web services instead of targeting a whole directory or extension like this:
    <location path="ScriptResource.ax ...