Cloudflare Outage History

Cloudflare experienced TLS connectivity issues affecting a subset of Let's Encrypt certificates due to unsupported CA bundling, causing connection problems for some website visitors. The incident impacted Cloudflare Sites and Services along with SSL Certificate Provisioning for 10.5 hours. Cloudflare implemented a fix by rebuilding all impacted certificate chains and automatically restoring affected certificates to a valid state.

Cloudflare experienced API service issues that caused some customer API requests to fail and display errors. The incident affected Cloudflare Sites and Services and API components, but did not impact CDN caching or security features at the edge. The service disruption lasted 4.9 hours.

Cloudflare experienced connectivity issues affecting WARP and Zero Trust services for 52 minutes. Users encountered connectivity problems and degraded internet performance while using these services. The incident was classified as minor and Cloudflare investigated the issues affecting their Sites and Services and Zero Trust components.

Cloudflare experienced latency issues with their Analytics API specifically in the Amsterdam (AMS) region for 1.3 hours. The incident affected Cloudflare Sites and Services and Analytics components in the Netherlands/Europe region. Other API services, CDN caching, and security features remained unaffected during the outage.

Cloudflare experienced latency issues with their Analytics API specifically in the Amsterdam (AMS) region for 21 minutes. The incident only affected the Analytics API service and did not impact other API services, CDN file serving, or security features at the Cloudflare Edge. The issue was resolved after investigation.

Cloudflare's Bot Management feature experienced issues where verified bots were incorrectly categorized as automated traffic for 1.7 hours. The problem affected Cloudflare Sites and Services along with the Bot Management component. A fix was implemented and the service was restored to normal operation.

Cloudflare experienced audit log processing delays that caused delayed delivery of audit data for 1.5 hours. The issue affected Cloudflare Sites and Services, Audit Logs, and Analytics components, but did not impact DNS or Rate Limiting analytics. The cause was identified and a fix was implemented to resolve the processing delays.

Cloudflare experienced an issue where customers encountered increased API errors when requesting Audit Logs. The incident affected Cloudflare Sites and Services, Audit Logs, and API functionality for 1.0 hours. The issue was classified as minor and was under investigation.

Cloudflare experienced increased 5XX error rates affecting their Browser rendering service over a 30.1 hour period. The issue was identified and a fix was implemented, though monitoring was required at multiple points during the incident. The service has been restored and is being monitored for stability.

Cloudflare's Bot Management system incorrectly assigned low bot scores to legitimate requests for 3.5 hours, causing customers using bot score-based rules to inappropriately challenge or block real visitors. The issue affected Cloudflare Sites and Services along with the Bot Management component. A fix was implemented and the service was restored to normal operation.