HTTP 451 Unavailable For Legal Reasons is a 4xx client error status code in the IANA HTTP Status Code Registry.
- Code: 451
- Reason phrase: Unavailable For Legal Reasons
- Class: 4xx (Client Error)
- Defined in: RFC 7725
Document v1 · published by Koskamo · updated 2026-10-04
HTTP 451 Unavailable For Legal Reasons is a 4xx client error status code in the IANA HTTP Status Code Registry.