Duo Prompt Issues (macOS)

Issue

While logging in to a Duo-protected website or application on any iOS or macOS devices, the Duo Prompt displays an error message saying:

"You cannot browse this page at 'duo.com' because it is restricted" 

Or the device displays a gray box instead of the prompt. Follow the instructions below to fix this error. 

Possible Solutions

Enabling JavaScript

1. Open Safari.
2. In the top toolbar, click on Safari > Settings...

3. In the new window, select the Security tab.

• Check the box next to  "Enable JavaScript".

Disabling Content Restrictions

• Open System Settings.
• Select Screen Time.

• Select Content & Privacy Restrictions.

• If not done so already, click the toggle on for  Content & Privacy > Content Restrictions.

• Under "Access to Web Content", select Unrestricted Access (to completely disable content restrictions) or Allowed Websites Only (to select website to have access).
  • If "Allowed Websites Only" is selected, make sure to add duosecurity.com by clicking the Customize button populated in the "Web Content" section.