This article uses the D-Link as example. Your product´s Web Interface will look similar to the screen shots below.
To add a site to the Allowed Web Sites:
Step 1: Visit http://securespot.dlink.com and log in.
Step 2: Select the device you wish to customize from the Network Map.
Step 3: Click on the Security tab.
Step 4: Click ons.
Step 5: Select the Custom Allow List heading from thes panel on the right-hand side.
Step 6: Enter the Web address in the http:// box; click the Add button.
Step 7: Once all the Web addresses are entered, click the Save button.