A failure needs to be narrowed down before settings are changed or operations retried. Which evidence best separates application errors from environment and dependency problems?

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Tasadduq BurneyownerOwner · Founder

26525 reputation · 26 Jun 2024, 20:24 UTC

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Check whether the failure is DNS resolution, edge processing or origin connectivity. Compare a controlled origin request with the proxied request and inspect request identifiers. Review recent firewall, certificate and redirect changes before purging caches or changing unrelated DNS records.

What should I check first when Cloudflare fails?

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