Internet Assigned Numbers Authority • Domains • Protocols • Numbers • About Tunnel Extensible Authentication Protocol (TEAP) Parameters Created 2014-01-24 Last Updated 2026-03-05 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registries Included Below • TEAP TLV Types • TEAP Identity-Type TLV (value 2) Registry • TEAP Status Codes • TEAP Error TLV (value 5) Error Codes • TEAP Request-Action TLV (value 8) Registry • TEAP PAC TLV (value 11) PAC Attribute Type Codes • TEAP PAC TLV (value 11) PAC-Type Type Codes • TEAP Trusted-Server-Root TLV (value 17) Credential-Format Codes TEAP TLV Types Registration Procedure(s) Specification Required Expert(s) Margaret Cullen, Nancy Cam-Winget Reference [RFC9930] Available Formats [IMG] CSV Value Description Reference 0 Unassigned 1 Authority-ID TLV [RFC9930] 2 Identity-Type TLV [RFC9930] 3 Result TLV [RFC9930] 4 NAK TLV [RFC9930] 5 Error TLV [RFC9930] 6 Channel-Binding TLV [RFC9930] 7 Vendor-Specific TLV [RFC9930] 8 Request-Action TLV [RFC9930] 9 EAP-Payload TLV [RFC9930] 10 Intermediate-Result TLV [RFC9930] 11 PAC TLV (DEPRECATED) [RFC7170][RFC9930] 12 Crypto-Binding TLV [RFC9930] 13 Basic-Password-Auth-Req TLV [RFC9930] 14 Basic-Password-Auth-Resp TLV [RFC9930] 15 PKCS#7 TLV [RFC9930] 16 PKCS#10 TLV [RFC9930] 17 Trusted-Server-Root TLV [RFC9930] 18 CSR-Attributes TLV [RFC9930] 19 Identity-Hint TLV [RFC9930] 20-16383 Unassigned TEAP Identity-Type TLV (value 2) Registry Registration Procedure(s) Specification Required Expert(s) Unassigned Reference [RFC9930] Available Formats [IMG] CSV Value Description Reference 0 Unassigned 1 User [RFC9930] 2 Machine [RFC9930] 3-65535 Unassigned TEAP Status Codes Registration Procedure(s) Specification Required Expert(s) Unassigned Reference [RFC9930] Available Formats [IMG] CSV Value Description Reference 0 Unassigned 1 Success [RFC9930] 2 Failure [RFC9930] 3-255 Unassigned TEAP Error TLV (value 5) Error Codes Registration Procedure(s) Specification Required Expert(s) Margaret Cullen, Nancy Cam-Winget Reference [RFC9930] Available Formats [IMG] CSV Value Description Reference 0 Unassigned 1 User account expires soon [RFC9930] 2 User account credential expires soon [RFC9930] 3 User account authorizations change soon [RFC9930] 4 Clock skew detected [RFC9930] 5 Contact administrator [RFC9930] 6 User account credentials change required [RFC9930] 7-1000 Unassigned 1001 Inner Method Error [RFC9930] 1002 Unspecified authentication infrastructure problem [RFC9930] 1003 Unspecified authentication failure [RFC9930] 1004 Unspecified authorization failure [RFC9930] 1005 User account credentials unavailable [RFC9930] 1006 User account expired [RFC9930] 1007 User account locked: try again later [RFC9930] 1008 User account locked: admin intervention required [RFC9930] 1009 Authentication infrastructure unavailable [RFC9930] 1010 Authentication infrastructure not trusted [RFC9930] 1011 Clock skew too great [RFC9930] 1012 Invalid inner realm [RFC9930] 1013 Token out of sync: administrator intervention required [RFC9930] 1014 Token out of sync: PIN change required [RFC9930] 1015 Token revoked [RFC9930] 1016 Tokens exhausted [RFC9930] 1017 Challenge expired [RFC9930] 1018 Challenge algorithm mismatch [RFC9930] 1019 Client certificate not supplied [RFC9930] 1020 Client certificate rejected [RFC9930] 1021 Realm mismatch between inner and outer identity [RFC9930] 1022 Unsupported Algorithm In Certificate Signing Request [RFC9930] 1023 Unsupported Extension In Certificate Signing Request [RFC9930] 1024 Bad Identity in Certificate Signing Request [RFC9930] 1025 Bad Certificate Signing Request [RFC9930] 1026 Internal CA Error [RFC9930] 1027 General PKI Error [RFC9930] 1028 Inner method's channel-binding data required but not supplied [RFC9930] 1029 Inner method's channel-binding data did not include required information [RFC9930] 1030 Inner method's channel binding data failed [RFC9930] 1031 User account credentials incorrect [USAGE NOT RECOMMENDED] [RFC9930] 1032 Inner method not supported [RFC9930] 1033-2000 Unassigned 2001 Tunnel Compromise Error [RFC9930] 2002 Unexpected TLVs Exchanged [RFC9930] 2003 The Crypto-Binding TLV is invalid (Version, or Received-Ver, or Sub-Type) [RFC9930] 2004 The first Inner Method did not derive EMSK [RFC9930] 2005 The Crypto-Binding TLV did not include a required MSK Compound MAC [RFC9930] 2006 The MSK Compound MAC fails verification [RFC9930] 2007 The Crypto-Binding TLV did not include a required EMSK Compound MAC [RFC9930] 2008 The EMSK Compound MAC fails verification [RFC9930] 2009 The EMSK Compound MAC exists, but the Inner Method did not derive EMSK [RFC9930] 2010-4294967295 Unassigned TEAP Request-Action TLV (value 8) Registry Registration Procedure(s) Specification Required Expert(s) Unassigned Reference [RFC9930] Available Formats [IMG] CSV Value Description Reference 0 Unassigned 1 Process-TLV [RFC9930] 2 Negotiate-EAP [RFC9930] 3-255 Unassigned TEAP PAC TLV (value 11) PAC Attribute Type Codes Registration Procedure(s) Registry closed Reference [RFC9930] Note This registry has been closed. See [RFC9930]. Available Formats [IMG] CSV Value Description Reference 0 Unassigned 1 PAC-Key [RFC9930] 2 PAC-Opaque [RFC9930] 3 PAC-Lifetime [RFC9930] 4 A-ID [RFC9930] 5 I-ID [RFC9930] 6 Reserved [RFC9930] 7 A-ID-Info [RFC9930] 8 PAC-Acknowledgement [RFC9930] 9 PAC-Info [RFC9930] 10 PAC-Type [RFC9930] 11-65535 Unassigned TEAP PAC TLV (value 11) PAC-Type Type Codes Registration Procedure(s) Registry closed Reference [RFC9930] Note This registry has been closed. See [RFC9930]. Available Formats [IMG] CSV Value Decription Reference 0 Unassigned 1 Tunnel PAC [RFC9930] 2-65535 Unassigned TEAP Trusted-Server-Root TLV (value 17) Credential-Format Codes Registration Procedure(s) Specification Required Expert(s) Unassigned Reference [RFC9930] Available Formats [IMG] CSV Value Description Reference 0 Unassigned 1 PKCS#7-Server-Certificate-Root [RFC9930] 2-65535 Unassigned Licensing Terms