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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: 2000-Sep-13
Document File: 12 page(s) / 27K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

L. Blunk: AUTHOR [+2]

Abstract

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

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 11% 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

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, authe...