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PPP Extensible Authentication Protocol (EAP) (RFC2284)

IP.com Disclosure Number: IPCOM000002846D
Original Publication Date: 1998-Mar-01
Included in the Prior Art Database: 2019-Feb-15
Document File: 15 page(s) / 19K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

L. Blunk: AUTHOR [+1]

Related Documents

10.17487/RFC2284: DOI

Abstract

The Point-to-Point Protocol (PPP) provides a standard method for transporting multi-protocol datagrams over point-to-point links. PPP also defines an extensible Link Control Protocol, which allows negotiation of an Authentication Protocol for authenticating its peer before allowing Network Layer protocols to transmit over the link. This document defines the PPP Extensible Authentication Protocol. [STANDARDS-TRACK]

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 12% of the total text.

Network Working Group L. Blunk Request for Comments: 2284 J. Vollbrecht Category: Standards Track Merit Network, Inc. March 1998

PPP Extensible Authentication Protocol (EAP)

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 (1998). All Rights Reserved.

Abstract

The Point-to-Point Protocol (PPP) [1] provides a standard method for transporting multi-protocol datagrams over point-to-point links.

PPP also defines an extensible Link Control Protocol, which allows negotiation of an Authentication Protocol for authenticating its peer before allowing Network Layer protocols to transmit over the link.

This document defines the PPP Extensible Authentication Protocol.

Table of Contents

1. Introduction .......................................... 2 1.1 Specification of Requirements ................... 2 1.2 Terminology ..................................... 2 2. PPP Extensible Authentication Protocol (EAP) .......... 3 2.1 Configuration Option Format ..................... 4 2.2 Packet Format ................................... 6 2.2.1 Request and Response ............................ 6 2.2.2 Success and Failure ............................. 7 3. Initial EAP Request/Response Types .................... 8 3.1 Identity ........................................ 9 3.2 Notification .................................... 10 3.3 Nak ............................................. 10

Blunk & Vollbrecht Standards Track [Page 1]

RFC 2284 EAP March 1998

3.4 MD5-Challenge ................................... 11 3.5 One-Time Password (OTP) ......................... 11 3.6 Generic Token Card .............................. 12 REFERENCES ................................................... 13 ACKNOWLEDGEMENTS ............................................. 14 CHAIR’S ADDRESS .............................................. 14 AUTHORS’ ADDRESSES ........................................... 14 Full Copyright Statement ..................................... 15

1. Introduction

In order to establish communications over a point-to-point link, each end of the PPP link must first send LCP packets to configure the data link during Link Establishment phase. After the link has been established, PPP provides for an optional Authentication phase before proceeding to the Network-Layer Protocol phase.

By default, authentication is not mandatory. If authentication of the link is desired, an implementation MUST specify the Authentication-Protocol Configuration Option during Link Establishment phase.

These authentication protocols are intended for use primarily by hosts and routers that connect to a PPP network server via switched circuits or dial-up lin...

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