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Password Authentication Protocol (PAP) is a password-based authentication protocol used by Point-to-Point Protocol (PPP) to validate users. [1] PAP is specified in RFC 1334 . Almost all network operating systems support PPP with PAP, as do most network access servers .
Although widely supported, it is specified that if an implementation offers a stronger authentication method, that method must be offered before PAP. Mixed authentication (e.g. the same client alternately using both PAP and CHAP) is also not expected, as the CHAP authentication would be compromised by PAP sending the password in plain-text.
In computing, the Challenge-Handshake Authentication Protocol (CHAP) is an authentication protocol originally used by Point-to-Point Protocol (PPP) to validate users. CHAP is also carried in other authentication protocols such as RADIUS and Diameter. Almost all network operating systems support PPP with CHAP, as do most network access servers.
PPTP Point-to-Point Tunneling Protocol; PAP Password Authentication Protocol; RPR IEEE 802.17 Resilient Packet Ring; SLIP Serial Line Internet Protocol (obsolete) StarLAN; Space Data Link Protocol, one of the norms for Space Data Link from the Consultative Committee for Space Data Systems; STP Spanning Tree Protocol; Split multi-link trunking ...
Extensible Authentication Protocol (EAP) is an authentication framework frequently used in network and internet connections. It is defined in RFC 3748, which made RFC 2284 obsolete, and is updated by RFC 5247. EAP is an authentication framework for providing the transport and usage of material and parameters generated by EAP methods.
PEAPv0/EAP-MSCHAPv2 is the most common form of PEAP in use, and what is usually referred to as PEAP. The inner authentication protocol is Microsoft's Challenge Handshake Authentication Protocol, meaning it allows authentication to databases that support the MS-CHAPv2 format, including Microsoft NT and Microsoft Active Directory.
The protocol exists in two versions, MS-CHAPv1 (defined in RFC 2433) and MS-CHAPv2 (defined in RFC 2759).MS-CHAPv2 was introduced with pptp3-fix that was included in Windows NT 4.0 SP4 and was added to Windows 98 in the "Windows 98 Dial-Up Networking Security Upgrade Release" [1] and Windows 95 in the "Dial Up Networking 1.3 Performance & Security Update for MS Windows 95" upgrade.
Access control and authentication: Using protocols like Challenge-handshake authentication protocol (CHAP) or Password authentication protocol (PAP) it has to provide and check authentication data. Layer 3 configuration: If using Internet Protocol Control Protocol (IPCP), it will negotiate or determine IP parameters such as the IP addresses ...