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Mitigating Teredo Rooting Loop Attacks

Document Type Expired Internet-Draft (individual)
Expired & archived
Author Fernando Gont
Last updated 2012-07-13 (Latest revision 2012-01-10)
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)
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This Internet-Draft is no longer active.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:


Recently, a number of routing loop vulnerabilities were discovered in the Teredo mechanism, which typically result in a Denial of Service of the involved systems, possibly also affecting the intervening networks. This document describes a number of security checks that can be performed by Teredo hosts and Teredo servers such that these vulnerabilities are eliminated.


Fernando Gont

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