Skip to main content

ICMP Traceback Messages

Document Type Expired Internet-Draft (itrace WG)
Authors Steven M. Bellovin , Marcus D. Leech , Tom Taylor
Last updated 2003-02-19
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
Stream WG state WG Document
Document shepherd (None)
IESG IESG state Expired
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


It is often useful to learn the path that packets take through the Internet, especially when dealing with certain denial-of-service attacks. We propose a new ICMP message, emitted randomly by routers along the path and sent randomly to the destination (to provide useful information to the attacked party) or to the origin (to provide information to decipher reflector attacks).


Steven M. Bellovin
Marcus D. Leech
Tom Taylor

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