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   $ Yellow Book
      (D) /slang/ Synonym for "Computer Security Requirements: Guidance
      for Applying the [U.S.] Department of Defense Trusted Computer
      System Evaluation Criteria in Specific Environments" [CSC3] (See:
      "first law" under "Courtney's laws".)

Shirey                       Informational                    [Page 341]

RFC 4949         Internet Security Glossary, Version 2       August 2007

      Deprecated Term: IDOCs SHOULD NOT use this term as a synonym for
      that or any other document. Instead, use the full proper name of
      the document or, in subsequent references, a conventional
      abbreviation. (See: Deprecated Usage under "Green Book", Rainbow
      Series.)

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