It is interesting to think that the 404 error has unintentionally made cultural impact due to its prevalence. But did you know that repressive regimes will force browsers to display a 404 on websites that they block as a subtle attempt at misinformation?
@yassie_j Many websites also slightly misuse 404 as an attempt at security, by pretending something doesn’t exist if you simply don’t have permission to see it
451 Unavailable For Legal Reasons - HTTP | MDN

The HTTP 451 Unavailable For Legal Reasons client error response status code indicates that the user requested a resource that is not available due to legal reasons, such as a web page for which a legal action has been issued.

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