Resolved after 2 hours 10 minutes, affecting Rules, on April 21, 2026.
A fix has been implemented and we are monitoring the results.
Affected components
Rules
Update timeline
- identified Apr 21, 2026, 06:09 PM UTC
Cloudflare has identified an issue with customers creating/updating Page Rules with the Host Header Override setting. Other settings are not impacted. We are working to mitigate the problem, more updates to follow shortly.
- monitoring Apr 21, 2026, 07:57 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Apr 21, 2026, 08:19 PM UTC
This incident has been resolved.
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