kaled - 5:39 pm on Dec 2, 2005 (gmt 0)

Ok, with a little more thought, it can be done without cloaking at all (well, almost)....

1) Use entirely cgi links.
2) Unless logged in or on an IP address white-list, all links will lead to a login page.
3) The login page must include a noindex robots meta (to avoid duplicate content penalty!)

Kaled.