Term derived from Westerns wherein the hero usually wore a white hat (Typically always clean, no matter what happened). This is the opposite of a Black Hat, which is a person who was the villan.

Still not related to Red Hat.

White Book = W = whitelist

white hat

See black hat.

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.

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