For Norton Internet Security:

1. Open Norton Internet Security.
2. Click Options.
3. Click Internet Security (or Personal Firewall).
4. Click Advanced Options.
5. Click the Web tab.
6. Click Add Site. A new site/domain box appears.
7. Enter the url of the site that you want to receive the referrer information (www.ThisSite.com) and click OK. That site name appears in the left frame of the Advanced Options window.
8. Click the name of the new site.
9. Click the Privacy tab.
10. Check the "Use these rules for..." box.
11. Change the Referrer from "Block" to "Allow."
12. Click Apply, and then click OK.
13. Click OK to close the Options window.