Cloudflare FAQ
Find short answers by domain, HTTPS, cache, Workers, data, security, error code, and cost.
Edited and verified by Orange Book Editorial Team ·
How to use the FAQ
Start with the topic that matches your symptom. Read the conclusion and risk boundary, then follow the linked in-depth guide when you need configuration, verification, or rollback steps. The FAQ does not replace current dashboard state, logs, or official limit pages.
Onboarding and delivery
Accounts, domains, and DNS
Domain transfer, Pending, proxied versus DNS only, email records, and propagation.
SSL, TLS, and HTTPS
Certificate roles, Full (strict), redirect loops, 525/526, and HSTS.
CDN, cache, and performance
Default caching, HTML, CF-Cache-Status, cookies, purge, and stale browser content.
Workers and deployments
Custom Domains, Routes, secrets, Node compatibility, background work, and resource limits.
Data and security
Databases and storage
D1, R2, KV, Durable Objects, uploads, recovery, and external databases.
WAF, Turnstile, and Access
Attack filtering, human verification, identity gates, false positives, and origin protection.
Troubleshooting and cost
Error codes and troubleshooting
5xx, TLS failures, Ray IDs, intermittent faults, and Workers errors.
Plans, billing, and limits
Production on Free, separate Workers plans, cache billing, and budget gates.
Do not infer settings from an old screenshot
Cloudflare plans, limits, and dashboard paths change. Answers about release or billing carry a verification date; recheck the linked primary source on the day you implement them.
Primary source
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