HTTP 418 I'm a Teapot vs 523 Origin Is Unreachable
HTTP 418 (I'm a Teapot) is a 4xx Client Error response, while 523 (Origin Is Unreachable) is a 5xx Server Error response. 418 indicates that any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture. In contrast, 523 means that cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).
Description
Any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
When You See It
As an Easter egg on some websites, or when a server humorously refuses a request.
How to Fix
Use a coffee pot instead of a teapot. Or just enjoy the joke.
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
418 is a 4xx Client Error response, while 523 is a 5xx Server Error response.
HTTP 418: Any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
HTTP 523: Cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).
You encounter 418 when as an Easter egg on some websites, or when a server humorously refuses a request.
You encounter 523 when when Cloudflare's DNS for the origin fails to resolve.
When to Use Which
For 418 (I'm a Teapot): Use a coffee pot instead of a teapot. Or just enjoy the joke. For 523 (Origin Is Unreachable): Verify DNS records in Cloudflare dashboard. Check origin server's IP address.