Secure files on iis5 from being openly downloaded
I am mirroring data for a friend overseas from our servers in new zealand. When sombody clicks the link to our nz mirror, our servers respond with a php page that grabs the file, all being logged etc. the problem is another webmaster from a totally un-affiliated site has seen it fit to post direct links to these individual compressed files on our servers rather than going through the download page (or mirror page)stealing bandwidth etc. If i change the permissions on the folder holding the files then the download script (dl.php) refers to the file but the client browser gets a 406 (not authorised) page.
It would be greatly appreciated if somebody could help.
