Security and Interoperability Implications of Oversized IPv6 Header Chains
draft-ietf-6man-oversized-header-chain-02

The information below is for an old version of the document
Document Type Expired Internet-Draft (6man WG)
Last updated 2013-05-09 (latest revision 2012-11-05)
Replaces draft-gont-6man-oversized-header-chain
Stream IETF
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IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at
https://www.ietf.org/archive/id/draft-ietf-6man-oversized-header-chain-02.txt

Abstract

The IPv6 specification allows IPv6 header chains of an arbitrary size. The specification also allows options which can in turn extend each of the headers. In those scenarios in which the IPv6 header chain or options are unusually long and packets are fragmented, or scenarios in which the fragment size is very small, the first fragment of a packet may fail to include the entire IPv6 header chain. This document discusses the interoperability and security problems of such traffic, and updates RFC 2460 such that the first fragment of a packet is required to contain the entire IPv6 header chain.

Authors

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