The target site, or an intermediary complying with an order.

451 — Unavailable For Legal Reasons

The content is being withheld for a legal reason — a court order, a takedown, a sanctions regime or a licensing restriction. The status was named after Fahrenheit 451 and is deliberately distinct from 403: someone is being told to block this, rather than choosing to.

A proxy fixes part of this. Technically a different exit country changes what the rule matches. Whether you may use it that way depends entirely on which restriction you are looking at, and a 451 is the status most likely to mean you may not.

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Why it happens

A geographic licensing restriction on the content.

A national block applied at the ISP or the CDN.

Sanctions compliance keyed to the country your exit IP resolves to.

How to fix it

  1. Read the Link header — RFC 7725 asks the responder to identify the blocking authority there, and many do.
  2. If the restriction is territorial and you are entitled to the content elsewhere, exit from a country it is served to.
  3. Where the block is a sanctions or court requirement, respect it. This is the one status on this list that is a legal instruction rather than a technical obstacle.

FAQ

What does 451 mean?›
The content is being withheld for a legal reason — a court order, a takedown, a sanctions regime or a licensing restriction. The status was named after Fahrenheit 451 and is deliberately distinct from 403: someone is being told to block this, rather than choosing to. The target site, or an intermediary complying with an order.
Why am I getting 451?›
A geographic licensing restriction on the content. A national block applied at the ISP or the CDN. Sanctions compliance keyed to the country your exit IP resolves to.
How do I fix 451?›
Read the Link header — RFC 7725 asks the responder to identify the blocking authority there, and many do. If the restriction is territorial and you are entitled to the content elsewhere, exit from a country it is served to. Where the block is a sanctions or court requirement, respect it. This is the one status on this list that is a legal instruction rather than a technical obstacle.
Will a proxy fix 451?›
Technically a different exit country changes what the rule matches. Whether you may use it that way depends entirely on which restriction you are looking at, and a 451 is the status most likely to mean you may not.

Other errors

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