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RADIUS

Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized authentication, authorization, and accounting (AAA) management for users who connect and use a network service. RADIUS was developed by Livingston Enterprises in 1991 as an access server authentication and accounting protocol. It was later brought into…

History & Standards

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History

NSFNETRequest for proposalMerit NetworkOperating systemLucent Technologies
18 related topics

Protocol components

PacketsAuthenticationAuthorizationAccountingNetwork Access Server
26 related topics

Security

Shared secretMD5IPsecRadSecTLS
6 related topics

Standards documentation

IETF
1 related topics

Topics to explore

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Overview

Protocol components

Roaming

Packet structure

  • Ports Port (computer networking)

Vendor-specific attributes

Security

History

Standards documentation

Bibliography

  • ISBN ISBN (identifier)

Advanced semantic analysis

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Map overview Semantic statistics

RADIUS

Nodes81
Edges80
Triples136
Avg. degree1.98
Density0.024691
Components1

How this topic connects Entity context

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RADIUS

Top relations

related to history · 23
RADIUS → Among, As, Both, Challenge-Handshake Authentication Protocol, CHAP, For, In, Livingston Enterprises, Lucent Technologies, MD5, Merit, Merit Network, NSFNET, PAP, Password Authentication Protocol, Passwords, Point-to-Point Protocol, RFC, The, UDP
related to Proxy operations · 18
RADIUS → AAA, But, Further, Hence, Home, Home Server, If, In, Inter-domain, NAS, NAS Device, Proxies, Proxy Chaining, Proxy Chains, RFC, Some, The, When
related to Security · 15
RADIUS → Additionally, As, However, IDs, IPsec, MD5, More, NAS, RADIUS/UDP, Roaming, The RADIUS, The RadSec, This, TLS, VLAN
related to Authentication and authorization · 9
RADIUS → DSL, HTTPS, In, NAS, Network Access Server, Point-to-Point Protocol, PPP, RADIUS Access Request, The
related to Accounting · 8
RADIUS → Accounting, Accounting Start, Acct-Status-Type, NAS, RADIUS Accounting Request, RFC, Start, When
related to Bibliography · 8
RADIUS → Associates, Hassell, ISBN, Jonathan, O'Reilly, Private Resources, Retrieved, Securing Public Access
related to Vendor-specific attributes · 7
RADIUS → FreeRADIUS, Microsoft, RFC, Section, Vendor-Specific Attributes, VSA, VSAs
related to Packet structure · 6
RADIUS → RadSec, TCP, The, The RADIUS, TLS, UDP
related to Attribute value pairs · 5
RADIUS → AVP, AVPs, Pairs, The, The RADIUS Attribute Value
related to Protocol components · 5
RADIUS → AAA, Access-Request, Accounting-Request, Authentication, RFC

Important terminology Word statistics

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Important terminology

server authentication accounting protocol authorization access user nas request servers network use user's packet attributes udp using used security aaa

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
RADIUSis aclient/server protocol that runs in the application layer0.90text
PAPinstance ofand information regarding the user's physical point of attachment to the NAS.The RADIUS server checks that the information is correct using authentication schemes0.80text
CHAP or EAPinstance ofand information regarding the user's physical point of attachment to the NAS.The RADIUS server checks that the information is correct using authentication schemes0.80text
a secondary passwordinstance ofAccess ChallengeRequests additional information from the user0.80text
PINinstance ofAccess ChallengeRequests additional information from the user0.80text
tokeninstance ofAccess ChallengeRequests additional information from the user0.80text
or cardinstance ofAccess ChallengeRequests additional information from the user0.80text
LDAP or Active Directory.Each of these three RADIUS responses may include a Reply-Message attribute which may give a reason for the rejectioninstance ofor may be looked up in an external source0.80text
the prompt for the challengeinstance ofor may be looked up in an external source0.80text
or a welcome message for the acceptinstance ofor may be looked up in an external source0.80text
the Point-to-Point Protocolinstance ofthe user might use a link framing protocol0.80text
tunnel-group IDs or VLAN memberships passed over RADIUS may be considered sensitiveinstance ofyet other user-specific attributes0.80text

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    Min side: 3
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