When a website is blocked, the user typically sees a Cisco Umbrella block page with a message like: “Access to this site has been blocked.” Often, the page provides a reason code, such as “Security” (malware/phishing), “Category” (e.g., Adult, Social Media), or “Custom.” Some pages even offer an option for the user to request access from their administrator.
The primary reasons for these blocks fall into three categories: , content categorization , and policy enforcement . why is cisco umbrella blocking websites