When updating the University’s intranet page, the technical person at Springfield University points The Great Professor link at the Secure Referrer URL you provided (Figure 3). Figure 3 Next, the University of Springfield’s technical staff will tell you what intranet page the end-user’s will be coming from. In this example, the technical staff person tells you that their end-users will be coming from the following page: http://universityspringfield.intranetsite.net/mod/page/view.php\ You enter a Site Linking Match Pattern in SETTINGS Advanced Site Properties Site Linking Match Pattern (Figure 4) that tells Tizra: The following end-users coming from a URL that matches this Site Linking Match Pattern URL are allowed access to The Great Professor ebook. (See Creating a Site Linking Match Pattern for more information on how to enter the Site Linking Match Pattern). Figure 4 Back on the University of Springfield’s intranet site, when an end-user clicks on The Great Professor link, the browser tells Tizra the URL that end-user is coming from (Figure 5).