By default your private server doesn't setup to allow overriding of cgi-bin with AuthConfig. This will enable all virtual domains to use .htaccess.
Add the following to httpd.conf some where above the #WEBppliance marker. <Directory /home/virtual/*/home/httpd/cgi-bin> Allow from all AllowOverride AuthConfig Order allow,deny </Directory>
Create a .htaccess file for the cgi-bin that looks something like: