RFC 1994: PPP Challenge Handshake Authentication Protocol (CHAP)

This document defines a method for Authentication using PPP, which uses a random Challenge, with a cryptographically hashed Response which depends upon the…

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Outgoing relationships (3 related RFCs)

Obsoletes — RFC 1334: PPP Authentication Protocols
Informative reference — RFC 1321: The MD5 Message-Digest Algorithm
Informative reference — RFC 1661: The Point-to-Point Protocol (PPP)

Incoming relationships (22 related RFCs)

Updated by, Informatively referenced by — RFC 2484: PPP LCP Internationalization Configuration Option
Normatively referenced by — RFC 3748: Extensible Authentication Protocol (EAP)
Normatively referenced by — RFC 4005: Diameter Network Access Server Application
Normatively referenced by — RFC 7143: Internet Small Computer System Interface (iSCSI) Protocol (Consolidated)
Normatively referenced by — RFC 4545: Definitions of Managed Objects for IP Storage User Identity Authorization
Normatively referenced by — RFC 7155: Diameter Network Access Server Application
Informatively referenced by — RFC 5592: Secure Shell Transport Model for the Simple Network Management Protocol (SNMP)
Informatively referenced by — RFC 3720: Internet Small Computer Systems Interface (iSCSI)
Informatively referenced by — RFC 2548: Microsoft Vendor-specific RADIUS Attributes
Informatively referenced by — RFC 2284: PPP Extensible Authentication Protocol (EAP)
Informatively referenced by — RFC 3012: Mobile IPv4 Challenge/Response Extensions
Informatively referenced by — RFC 5580: Carrying Location Objects in RADIUS and Diameter
Informatively referenced by — RFC 2759: Microsoft PPP CHAP Extensions, Version 2
Informatively referenced by — RFC 3193: Securing L2TP using IPsec
Informatively referenced by — RFC 4171: Internet Storage Name Service (iSNS)
Informatively referenced by — RFC 7576: General Gap Analysis for Autonomic Networking
Informatively referenced by — RFC 2477: Criteria for Evaluating Roaming Protocols
Informatively referenced by — RFC 4764: The EAP-PSK Protocol: A Pre-Shared Key Extensible Authentication Protocol (EAP) Method
Informatively referenced by — RFC 4590: RADIUS Extension for Digest Authentication
Informatively referenced by — RFC 6392: A Survey of In-Network Storage Systems
Informatively referenced by — RFC 3079: Deriving Keys for use with Microsoft Point-to-Point Encryption (MPPE)
Informatively referenced by — RFC 3772: Point-to-Point Protocol (PPP) Vendor Protocol