http://www.kopykatz.net/files/Linklok_URL_v1.5.rar
Linklok URL allows you to place links to download files on your website while securely hiding the true location of the files. The actual files linked to can actually be stored anywhere on your server (within or outside of webroot) or even on another server on the other side of the world! Links are automatically authenticated using MD5 and can be set to expire between 1 minute and several years after creation if required. Links can also be locked to the users IP address ensuring they can't be shared even before they expire! There is basically no way an internet user can find out the actual location of your files.
Features:
Securely hides true location of files on your server
Can even access files stored on another server on the other side of the world if required
Files can be stored outside of web root for extra security if required
Links can have expiry time from 1 minute to several years (or unlimited)
Links can be IP address locked for the ultimate security new feature
Dynamically creates links in your page
Can email secure download links with or without expiry time and IP address locking
Forms are completely customisable and can collect any additional data from the user yo wish. This is then emailed to you and can be logged.
Emails are completely customisable text or HTML format templates
Can block free or other types of emails from receiving the download links
Easy to use. One line adds it to your page and each link is just one simple function call
Can stop bandwidth theft
Ensure only valid emails are used to download your files
Links can point to a HTML or PHP page as well as downloadable files new feature
Option to log all email requests to a log file
Supports download resume and download managers
Written in PHP so very flexible and supported by most servers
No cookies or database system required
http://www.kopykatz.net/files/Linklok_URL_v1.5.rar