[LAC-TF] Fwd: RFC 7217 on A Method for Generating Semantically Opaque Interface Identifiers with IPv6 Stateless Address Autoconfiguration (SLAAC)

Erick Lobo Marín erick.lobo at cgr.go.cr
Fri May 9 19:01:31 BRT 2014

Fernando: ¿Qué tan aceptado es el método que ha implementado Microsoft en
sus sistemas operativos Windows de generación aleatoria de la dirección
IPv6 sobre el tiempo?
Considerando entre las razones de su uso el evitar el tracking de la
dirección IP.

Erick Lobo


2014-04-30 17:52 GMT-06:00 Fernando Gont <fgont at si6networks.com>:

> Estimados,
> FYI: <http://www.rfc-editor.org/rfc/rfc7217.txt>
> Esto es parte fundamental para mejorar la resistencia a ataques de
> escaneo de direcciones, y otras cosas tales como "host-tracking".
> P.S.: El "concepto" fue "separar el espacio de direcciones", al estilo
> RFC6528.
> Saludos, y gracias!
> Fernando
> -------- Original Message --------Subject: RFC 7217 on A Method for
> Generating Semantically Opaque Interface Identifiers with IPv6 Stateless
> Address Autoconfiguration (SLAAC)
> Date: Wed, 30 Apr 2014 14:05:39 -0700 (PDT)
> From: rfc-editor at rfc-editor.org
> Reply-To: ietf at ietf.org
> To: ietf-announce at ietf.org, rfc-dist at rfc-editor.org
> CC: drafts-update-ref at iana.org, ipv6 at ietf.org, rfc-editor at rfc-editor.org
> A new Request for Comments is now available in online RFC libraries.
>         RFC 7217
>         Title:      A Method for Generating Semantically
>                     Opaque Interface Identifiers with IPv6 Stateless
>                     Address Autoconfiguration (SLAAC)
>         Author:     F. Gont
>         Status:     Standards Track
>         Stream:     IETF
>         Date:       April 2014
>         Mailbox:    fgont at si6networks.com
>         Pages:      19
>         Characters: 48497
>         Updates/Obsoletes/SeeAlso:   None
>         I-D Tag:    draft-ietf-6man-stable-privacy-addresses-17.txt
>         URL:        http://www.rfc-editor.org/rfc/rfc7217.txt
> This document specifies a method for generating IPv6 Interface
> Identifiers to be used with IPv6 Stateless Address Autoconfiguration
> (SLAAC), such that an IPv6 address configured using this method is
> stable within each subnet, but the corresponding Interface Identifier
> changes when the host moves from one network to another.  This method
> is meant to be an alternative to generating Interface Identifiers
> based on hardware addresses (e.g., IEEE LAN Media Access Control
> (MAC) addresses), such that the benefits of stable addresses can be
> achieved without sacrificing the security and privacy of users.  The
> method specified in this document applies to all prefixes a host may
> be employing, including link-local, global, and unique-local prefixes
> (and their corresponding addresses).
> This document is a product of the IPv6 Maintenance Working Group of the
> This is now a Proposed Standard.
> 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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> --
> Fernando Gont
> e-mail: fernando at gont.com.ar || fgont at si6networks.com
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