HTTP 451 Unavailable For Legal Reasons

4xx – Client error

Status code451
Reason phraseUnavailable For Legal Reasons
Class4xx – Client error
ReferenceRFC 7725

Frequently asked questions

What does HTTP status 451 mean?

The resource is blocked for legal reasons, e.g. a court or government order.

Is 451 an error?

Yes, a client error (4xx): the problem lies in the request – for example a wrong URL, missing authentication or invalid data.

Where is HTTP 451 defined?

Status code 451 is specified in RFC 7725.

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