TypeDescriptionReference
0ReservedRFC 3748
1IdentifyRFC 3748
2NotificationRFC 3748
3NAK (Response Only)RFC 3748
4MD5-ChallengeRFC 3748
5OTP, One Time PasswordRFC 2289RFC 3748
6GTC, Generic Token CardRFC 3748
7Allocated
8Allocated
9RSA Public Key AuthenticationRFC-draft-ietf-pppext-eaprsa-04.txt
10RSA Public Key AuthenticationRFC-draft-ietf-pppext-eapdss-01.txtNIST FIPS PUB 196
11KEARFC-draft-ietf-pppext-eapkea-01.txt
12KEA-VALIDATERFC-draft-ietf-pppext-eapkea-01.txt
13EAP-TLS Authentication ProtocolRFC 5216
14Quest Defender Token
15RSA Security SecurID EAPRFC-draft-josefsson-eap-securid-01.txt
16Arcot System EAP
17Cisco-LEAP
18EAP-SIM, GSM Subscriber Identity ModulesRFC 4186
19SRP-SHA-1 Part 1RFC-draft-ietf-pppext-eap-srp-03.txt
20SRP-SHA-1 Part 2RFC-draft-ietf-pppext-eap-srp-01.txt
21EAP-TTLS, EAP Tunneled TLS Authentication ProtocolRFC 5281
22Remote Access Service
23EAP-AKA, EAP method for 3rd Generation Authentication and Key AgreementRFC 4187
24EAP-3Com Wireless
25PEAP, Protected EAPRFC-draft-josefsson-pppext-eap-tls-eap-06.txt
26MS-EAP-Authentication (EAP/MS-CHAPv2)RFC-draft-kamath-pppext-eap-mschapv2-02.txt
27EAP-MAKE, Mutual Authentication w/Key ExchangeRFC-draft-berrendo-chabanne-pppext-eapmake-01.txt
28CRYPTOCard
29PEAPv0/EAP-MSCHAPv2RFC-draft-dpotter-pppext-eap-mschap-01.txt
30DynamID
31Rob EAP
32EAP-POTP, Protected One Time PasswordRFC 4793
33MS-Authentication-TLVRFC-draft-hiller-eap-tlv-01.txt
34SentriNET
35EAP-Actiontec Wireless
36Cogent Systems Biometrics Authentication EAP
37AirFortress EAP
38EAP-HTTP Digest
39SecureSuite EAP
40DeviceConnect EAP
41EAP-SPEKE
42EAP-MOBAC
43EAP-FAST, EAP Flexible Authentication via Secure TunnelingRFC 4851RFC 5421RFC 5422
44ZLXEAP, ZoneLabs EAP
45EAP-Link
46EAP-PAX, EAP Password Authentication eXchangeRFC 4746
47EAP-PSK, EAP Pre-Shared Authentication and Key EstablishmentRFC 4764
48EAP-SAKE, EAP Shared-secret Authentication and Key EstablishmentRFC 4763
49EAP-IKEv2RFC 5106
50EAP-AKA, Improved EAP method for 3rd Generation Authentication and Key AgreementRFC-draft-arkko-eap-aka-kdf-10.txt
51EAP-GPSK, EAP Generalized Pre-Shared KeyRFC 5433
52-191Available via review by designated expertRFC 3748
192-253Reserved for allocation via standards actionRFC 3748
254Expanded TypeRFC 3748
255ExperimentalRFC 3748