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A taxonomy of eavesdropping attacks

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Michael Richardson , Jonathan Hoyland
Last updated 2023-04-26 (Latest revision 2022-10-23)
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


The terms on-path attacker and Man-in-the-Middle Attack have been used in a variety of ways, sometimes interchangeably, and sometimes meaning different things. This document offers an update on terminology for network attacks. A consistent set of terminology is important in describing what kinds of attacks a particular protocol defends against, and which kinds the protocol does not.


Michael Richardson
Jonathan Hoyland

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)