Just found a snipet of Apache configuration that I suspect I might want to use in the future...

Published on Technical articles on: Windows servers, Apache Web Server, MySQL, PHP, IIS (http://www.sitebuddy.com)

By chris

Created 24 May 2006 - 12:16am

It enable you to disable direct linking based on the refer....

SetEnvIfNoCase Referer "^http://www.yourdomain.com/" local_ref=1

Order Allow,Deny
Allow from env=local_ref

Other good stuff I migth want to look into...
http://www.vbulletin.org/forum/showthread.php?t=62003

Source URL:
http://www.sitebuddy.com/blog/chris/just_fine_a_snipet_of_apache_configuration_that_i_suspect_i_might_want_to_use_in_the_future