RFC 7123 · INFORMATIONAL · 2014
WED · 29 JUL 2026
Security Implications of IPv6 on IPv4 Networks
Overview
RFC 7123, “Security Implications of IPv6 on IPv4 Networks”, is an Informational document published in February 2014 by F. Gont, W. Liu. The canonical text is published by the RFC Editor.
Abstract
This document discusses the security implications of native IPv6 support and IPv6 transition/coexistence technologies on "IPv4-only" networks and describes possible mitigations for the aforementioned issues.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 7123 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 2014
- RFC 7122 Datagram Convergence Layers for the Delay- and Disruption-Tolerant Networking Bundle Protocol and Licklider Transmission Protocol
- RFC 7124 Ethernet in the First Mile Copper Interfaces MIB
- RFC 7121 High Availability within a Forwarding and Control Element Separation Network Element
- RFC 7125 Revision of the tcpControlBits IP Flow Information Export Information Element
- RFC 7120 Early IANA Allocation of Standards Track Code Points
- RFC 7126 Recommendations on Filtering of IPv4 Packets Containing IPv4 Options
- RFC 7119 Operation of the IP Flow Information Export Protocol on IPFIX Mediators
- RFC 7127 Characterization of Proposed Standards