The evil bit is a fictional IPv4 packet header field proposed in RFC 3514, a humorous April Fools' Day RFC from 2003 authored by Steve Bellovin. The RFC recommended that the last remaining unused bit in the IPv4 packet header be used to indicate whether a packet had been sent with malicious intent, thus making computer security engineering an easy problem — simply ignore any messages with the evil bit set.
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Famous quotes containing the words evil and/or bit:
“We can never be sure that the opinion we are endeavouring to stifle is a false opinion; and even if we were sure, stifling it would be an evil still.”
—John Stuart Mill (1806–1873)
“He was made bit by bit, piece by piece. The undying monster. The triumphant climax of Frankenstein’s genius.”
—Edward T. Lowe, and Erle C. Kenton. Dr. Edelman (Onslow Stevens)