RFC 3012 (rfc3012) - Page 1 of 17
Mobile IPv4 Challenge/Response Extensions
Alternative Format: Original Text Document
Network Working Group C. Perkins
Request for Comments: 3012 Nokia Research Center
Category: Standards Track P. Calhoun
Sun Microsystems Laboratories
November 2000
Mobile IPv4 Challenge/Response Extensions
Status of this Memo
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.
Copyright Notice
Copyright (C) The Internet Society (2000). All Rights Reserved.
Abstract
Mobile IP, as originally specified, defines an authentication
extension (the Mobile-Foreign Authentication extension) by which a
mobile node can authenticate itself to a foreign agent.
Unfortunately, this extension does not provide ironclad replay
protection for the foreign agent, and does not allow for the use of
existing techniques (such as CHAP) for authenticating portable
computer devices. In this specification, we define extensions for
the Mobile IP Agent Advertisements and the Registration Request that
allow a foreign agent to use a challenge/response mechanism to
authenticate the mobile node.
Perkins & Calhoun Standards Track