If a web page is blocked for matching an IoC IP address, users are shown the Alert text configured in the Web Block Page.
The Web Block Page comes preconfigured by default. To customize it, you can update the alert text, logo, and block details as required.
To view/modify the Web Block Page
Navigate to Policy > Indicator of Compromise > IP Addresses.
Click on the Web Block Page tab. Alert text, logo and block details are displayed.
You can modify the Alert text, Logo and block details
Click on Preview button to view the preview of blocked web page.
Click on Accept.