Troubleshooting Tip: How to fix the Edge browser New-Tab not opening issue
| Description | This article describes how to fix the Edge new-tab not opening issue when web filtering is configured to allow only specific websites and deny all other traffic. |
| Scope | FortiGate. |
| Solution | If the web-filter security profile is configured to allow only specific websites and deny all others, as shown in the screenshot below:
  The (*) entry at the bottom denies all remaining traffic, which also blocks the Edge new tab from loading. The error screenshot is shown below:
  In the developer console, the URL ntp.msn.com was being denied, causing the search bar to display edge://newtab and showing the error NET::ERR_CERT_AUTHORITY_INVALID.
The new tab should be opened in the Edge browser:
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