[rfc-dist] RFC 5722 on Handling of Overlapping IPv6 Fragments

rfc-editor@rfc-editor.org rfc-editor at rfc-editor.org
Wed Dec 23 10:45:47 PST 2009

A new Request for Comments is now available in online RFC libraries.

        RFC 5722

        Title:      Handling of Overlapping IPv6 Fragments 
        Author:     S. Krishnan
        Status:     Standards Track
        Date:       December 2009
        Mailbox:    suresh.krishnan at ericsson.com
        Pages:      6
        Characters: 11838
        Updates:    RFC2460

        I-D Tag:    draft-ietf-6man-overlap-fragment-03.txt

        URL:        http://www.rfc-editor.org/rfc/rfc5722.txt

The fragmentation and reassembly algorithm specified in the base IPv6
specification allows fragments to overlap.  This document
demonstrates the security issues associated with allowing overlapping 
fragments and updates the IPv6 specification to explicitly forbid 
overlapping fragments.  [STANDARDS TRACK]

This document is a product of the IPv6 Maintenance Working Group of the IETF.

This is now a Proposed Standard Protocol.

STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol.  Distribution of this memo is unlimited.

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