Please note that the error page is displayed only to inform the user that the proxy cannot satisfy their request.
The “Error Page” option is available only for rules that deny access.
Also, if the blocked sites are served over HTTPS and you have not enabled SSL decryption on the proxy, the error page cannot be injected and will not be shown.
- On a blocked rule, select the “
Notification page” tab. - Click on Enable checkbox in order to tune the HTML Web error page content.
