Cloudflare Outage History

Cloudflare experienced network performance issues at their Tel Aviv (TLV) data centers that affected sites and services in the Middle East region for 43.4 hours. The incident was classified as minor, with Cloudflare determining that most customers would not be affected. After investigation, the source of the performance issues was identified and the team worked toward implementing a fix.

Cloudflare experienced increased error rates affecting customers using the Browser Run API service. The issue was identified and a fix was implemented within approximately 30 minutes of initial investigation. The incident lasted 1.5 hours total while Cloudflare monitored the resolution.

Cloudflare Access experienced configuration delays for 36 minutes, affecting customers' ability to make timely configuration changes to their access policies. The issue impacted Cloudflare Sites and Services along with the Access component. A fix was implemented and monitored, resolving the delays.

Cloudflare experienced increased challenge failures for customers with traffic routing through the China network, affecting Cloudflare Sites and Services, Turnstile, and the Challenge Platform. The issue lasted 12.8 hours before a fix was implemented and monitoring began. The incident impacted customers' ability to successfully complete security challenges when accessing services through Cloudflare's China network infrastructure.

Cloudflare experienced increased HTTP 5xx errors affecting traffic between Miami and Bogota data centers for 1.2 hours. The incident impacted services in North America, Latin America & the Caribbean regions, specifically the Miami, FL and Bogotá, Colombia locations. Cloudflare investigated and worked to analyze and mitigate the problem.

Cloudflare experienced an issue with a subset of Let's Encrypt certificates where unsupported CA bundling caused TLS connectivity problems for some website visitors. The incident affected Cloudflare Sites and Services and SSL Certificate Provisioning for 28.6 hours. Cloudflare resolved the issue by rebuilding all impacted certificate chains and automatically restoring affected certificates to a valid state.

Cloudflare experienced network congestion in the US Eastern region that affected Cloudflare Sites and Services for 1.7 hours. Users in this region experienced degraded network performance during the incident. The issue was identified and resolved with a fix, followed by continued monitoring to ensure stability.

Cloudflare experienced API service issues that specifically impacted OAuth and Wrangler API calls, causing Dashboard and API requests to fail or display errors for customers. The CDN and security features at the edge continued to function normally throughout the incident. The issue was identified after 7.5 hours and a fix was implemented.

Cloudflare experienced issues with Durable Objects in the Atlanta region, where customers encountered elevated startup errors, and Log Explorer had intermittent delays with recent logs appearing in queries. The incident affected Cloudflare Sites and Services across North America for 8.7 hours. A fix was implemented and Cloudflare monitored the results to resolve both issues.

Cloudflare experienced issues with Let's Encrypt TLS certificates due to unsupported CA bundling, causing TLS connectivity problems for visitors to affected customer sites. The incident impacted Cloudflare Sites and Services along with SSL Certificate Provisioning for a subset of customers over 5.7 hours. Cloudflare identified the issue and implemented a fix, while advising customers to switch to a different Certificate Authority as a workaround.