If I have correctly understood, yes. I will repeat))
You have come on a site have downloaded a file by reference or have looked video.
2. You have copied the link and have inserted on a site for yourself (for example). The user has wanted to download this link from your site but cannot, as it has been generated only for you or yours ip addresses
3. On time expiration, 24 hours, the link do not work for you too. It is necessary to come on a site ex.ua and to copy the new link (protection of links)
My God)) English, English, English)))