Evil bit (nonfiction): Difference between revisions

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The '''evil bit''' is a [[Fiction (nonfiction)|fictional]] IPv4 packet header field proposed in RFC 3514, a humorous April Fools' Day RFC from 2003 authored by Steve Bellovin.
[[File:RFC 3514 IP EVIL INTENT.jpg|thumb|Screenshot of the April Fool's Day implementation of the RFC 5314 'Evil Bit' protocol.]]The '''evil bit''' is a [[Fiction (nonfiction)|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.
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.

Latest revision as of 17:00, 14 September 2018

Screenshot of the April Fool's Day implementation of the RFC 5314 'Evil Bit' protocol.

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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