HTTP 451 Unavailable For Legal Reasons

Status code 451 · Class 4xx

HTTP

Unavailable For Legal Reasons

HTTP request chain from browser through CDN and proxy to the origin server
HTTP errors: find which hop in the request chain failed and read its logs.

What it means

HTTP_451 is a HTTP error code reported by web servers and HTTP clients. Its official message is: “Unavailable For Legal Reasons”

How to fix HTTP 451 Unavailable For Legal Reasons

  1. Check the exact method, headers and payload your client is sending with 'curl -v' for comparison

Related errors

HTTP 431 Request Header Fields Too LargeHTTP 429 Too Many RequestsHTTP 428 Precondition RequiredHTTP 502 Bad GatewayHTTP 503 Service UnavailableHTTP 504 Gateway TimeoutHTTP 301 Moved PermanentlyHTTP 302 Found

Source: IANA HTTP Status Code Registry

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