451

Unavailable For Legal Reasons

Description

The user agent requested a resource that cannot legally be provided, such as a web page censored by a government. This status code is similar to 403 Forbidden, but specifically indicates that the request is legal but the server is refusing to provide the resource due to legal reasons.

HTTP Status Codes Details

Status Code
451
Status Name
Unavailable For Legal Reasons
Class
4xx
Common Usage
No

Common Scenarios

  • Client request errors
  • Authentication issues

Handling Recommendations

  • Validate client input
  • Provide clear error messages

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Fact-checking completed

Verified by: Pavel Volkov
Created:
Last updated:
Information verified against official sources

Official Sources

Internet Engineering Task Force RFCs

Official HTTP status codes specification (RFC 7231)

Internet standards organization defining HTTP protocols

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Mozilla Developer Network

Comprehensive HTTP status codes documentation

Authoritative web development documentation

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Internet Assigned Numbers Authority

Official HTTP status code registry

Internet protocol parameters authority

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