Duo Prompt Issues (macOS)

Tags macos ios NETID

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...

Settings option located under Safari menu

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

Security tab located towards the center of the new window.

  • Check the box next to  "Enable JavaScript".

Checkbox next to the Enable JavaScript option.

Disabling Content Restrictions

  • Open System Settings.
  • Select Screen Time.

Screen Time option under Settings in iOS.

  • Select Content & Privacy Restrictions.

Content & Privacy Restrictions option in iOS.

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

Content Restrictions option in iOS.

  • 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.

Unrestricted Access and Allowed Websites Only options are located in dropdown menu

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Duo is the university two-factor authentication method designed to add a second layer of security to your NetID account. Verifying your identity using a second factor, such as your phone or a security key, prevents anyone but you from logging in, even if they know your password.