How Secure Referrer URLs Work The customers you have set up to use Secure Referrer URLs will typically allow their end-users to come in from their own company’s intranet site. In Figure 1, the University of Springfield’s intranet site has a link to The Great Professor ebook, a Document in your Tizra Publisher site. Figure 1 You provide the technical person in charge of updating the University’s intranet site with the Secure Referrer URL for The Great Professor Document (Figure 2). (CONTENT Documents The Great Professor Secure Refferer URL). See Raw URL and Escaped URL for more information about the Secure Referrer URL. Figure 2