HTTP
벤더 확장
523 Origin Is Unreachable
Cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).
이 코드를 보게 되는 경우
When Cloudflare's DNS for the origin fails to resolve.
해결 방법
Verify DNS records in Cloudflare dashboard. Check origin server's IP address.
가이드
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