#LoqiIt looks like we don't have a page for "451" yet. Would you like to create it? (Or just say "451 is ____", a sentence describing the term)
#[Joe_Crawford]451 is the proposed HTTP status code for legal reasons preventing access of a web resource. It refers to Ray Bradbury's dystopian novel Fahrenheit 451 featuring a society that has banned, and burns, books. See also RFC 7725.