Resolve Broken Custom Block Page Formatting

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Updated:October 31, 2025
Document ID:225349

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    Introduction

    This document describes how to resolve broken formatting for a custom block page in Cisco Umbrella.

    Prerequisites

    Requirements

    There are no specific requirements for this document.

    Components Used

    The information in this document is based on Cisco Umbrella.

    The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, ensure that you understand the potential impact of any command.

    Problem

    You notice that the mark-up on your custom block page is broken, resulting in the formatting displaying as clear-text HTML tags.

    Broken TextScreen_Shot_2021-03-05_at_1.21.37_PM.png

    Solution

    The bug that introduced this issue has been fixed. However, the block page can still display the error until it is edited by the administrator.

    To resolve this issue:

    1. Delete the HTML tags from your custom block page.

    2. Re-enter your custom message with the appropriate mark up and select Save.

    Update Block Page SettingsScreen_Shot_2021-03-18_at_11.58.27_AM.png

    3. Once saved, the custom block page then displays correctly without the HTML tags:

    New Block PageScreen_Shot_2021-03-18_at_11.58.34_AM.png

    Revision History

    Revision Publish Date Comments
    1.0
    31-Oct-2025
    Initial Release
    TAC Authored

    Contributed by Cisco Engineers

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