The IESG has approved the following document:
- 'Security Considerations for 6to4 '
<draft-ietf-v6ops-6to4-security-04.txt> as an Informational RFC
This document is the product of the IPv6 Operations Working Group.
The IESG contact persons are David Kessens and Bert Wijnen.
Technical Summary
The IPv6 interim mechanism 6to4 (RFC3056) uses automatic
IPv6-over-IPv4 tunneling to interconnect IPv6 networks. The
architecture includes 6to4 routers and 6to4 relay routers, which
accept and decapsulate IPv4 protocol-41 ("IPv6-in-IPv4") traffic from
any node in the IPv4 internet. This characteristic enables a number
of security threats, mainly Denial of Service. It also makes it
easier for nodes to spoof IPv6 addresses. This document discusses
these issues in more detail and suggests enhancements to alleviate
the problems.
Working Group Summary
This document is a product of the v6ops working group
Protocol Quality
David Kessens reviewed this document for the IESG
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