HTTP 424 Failed Dependency vs 523 Origin Is Unreachable
HTTP 424 (Failed Dependency) is a 4xx Client Error response, while 523 (Origin Is Unreachable) is a 5xx Server Error response. 424 indicates that the request failed because it depended on another request that failed (WebDAV). In contrast, 523 means that cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).
Description
The request failed because it depended on another request that failed (WebDAV).
When You See It
In batch WebDAV operations when a prerequisite action fails.
How to Fix
Fix the failed dependency first, then retry the operation.
Description
Cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).
When You See It
When Cloudflare's DNS for the origin fails to resolve.
How to Fix
Verify DNS records in Cloudflare dashboard. Check origin server's IP address.
Key Differences
424 is a 4xx Client Error response, while 523 is a 5xx Server Error response.
HTTP 424: The request failed because it depended on another request that failed (WebDAV).
HTTP 523: Cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).
You encounter 424 when in batch WebDAV operations when a prerequisite action fails.
You encounter 523 when when Cloudflare's DNS for the origin fails to resolve.
When to Use Which
For 424 (Failed Dependency): Fix the failed dependency first, then retry the operation. For 523 (Origin Is Unreachable): Verify DNS records in Cloudflare dashboard. Check origin server's IP address.