Instead of a download prompt, the screen flashed. The familiar, sterile white background of the Cisco Umbrella block page appeared, centered by a bold, red shield icon.
the text read. "Category: Malware."
For , the process is more complex. Because the browser expects a secure handshake with the original site, Umbrella must present its own certificate signed by the Umbrella Root CA . If this certificate is not trusted by the device, the user will see a "Your connection is not private" browser warning instead of the intended block page. Customizing the Block Page Appearance cisco umbrella block page
Another limitation is that the block page only triggers on explicit HTTP/HTTPS requests. Applications that use non-web protocols or hardcoded IP addresses may not render an HTML block page, leaving users confused about why a service is failing. Instead of a download prompt, the screen flashed
One of Umbrella’s strengths is the flexibility of its block page. Administrators can customize the page to varying degrees. At a basic level, they can upload a corporate logo, change the background color, and modify the support contact information. More advanced customization allows for the inclusion of a unique "block page token" that links the block event to a specific user and policy, aiding in troubleshooting. "Category: Malware
If you are an employee or user encountering this page, follow these steps:
In certain cases, administrators may want to grant temporary access to a blocked site. Umbrella provides two primary "Block Page Bypass" (BPB) methods: