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Simple Authentication and Security Layer (SASL)

The Simple Authentication and Security Layer (SASL) [RFC4422] is a method for adding authentication support to connection-based protocols. To use this specification, a protocol includes a command for identifying and authenticating a user to a server and for optionally negotiating a security layer for subsequent protocol interactions. The command has a required argument identifying a SASL mechanism.

SASL mechanisms are named by strings, from 1 to 20 characters in length, consisting of upper-case letters, digits, hyphens, and/or underscores. SASL mechanism names must be registered with the IANA. Procedures for registering new SASL mechanisms are described in RFC4422.

Registration Procedures: First Come First Serve for Mechanisms Expert Review with Mailing List for Family Name Registrations

MECHANISMS           USAGE    REFERENCE   OWNER
----------           -----    ---------   -----
KERBEROS_V4          OBSOLETE [RFC2222]   IESG <iesg@ietf.org>

GSSAPI               COMMON   [RFC2222]   IESG <iesg@ietf.org> 

SKEY                 OBSOLETE [RFC2444]   IESG <iesg@ietf.org>

EXTERNAL             COMMON   [RFC4422]   IESG <iesg@ietf.org>

CRAM-MD5             LIMITED  [RFC2195]   IESG <iesg@ietf.org> 
    		
ANONYMOUS            COMMON   [RFC4505]   IESG <iesg@ietf.org>

OTP                  COMMON   [RFC2444]   IESG <iesg@ietf.org>

GSS-SPNEGO           LIMITED  [Leach]     Paul Leach <paulle@microsoft.com>

PLAIN                COMMON   [RFC4616]   IESG <iesg@ietf.org>

SECURID              COMMON   [RFC2808]   Magnus Nystrom <magnus@rsasecurity.com>

NTLM                 LIMITED  [Leach]     Paul Leach <paulle@microsoft.com>

NMAS_LOGIN           LIMITED  [Gayman]    Mark G. Gayman <mgayman@novell.com>

NMAS_AUTHEN          LIMITED  [Gayman]    Mark G. Gayman <mgayman@novell.com>

DIGEST-MD5           COMMON   [RFC2831]   IESG <iesg@ietf.org>

9798-U-RSA-SHA1-ENC  COMMON    [RFC3163]  robert.zuccherato@entrust.com

9798-M-RSA-SHA1-ENC  COMMON   [RFC3163]   robert.zuccherato@entrust.com

9798-U-DSA-SHA1      COMMON   [RFC3163]   robert.zuccherato@entrust.com

9798-M-DSA-SHA1      COMMON   [RFC3163]   robert.zuccherato@entrust.com

9798-U-ECDSA-SHA1    COMMON   [RFC3163]   robert.zuccherato@entrust.com

9798-M-ECDSA-SHA1    COMMON   [RFC3163]   robert.zuccherato@entrust.com

KERBEROS_V5          COMMON   [Josefsson] Simon Josefsson <simon@josefsson.org>

NMAS-SAMBA-AUTH      LIMITED  [Brimhall]  Vince Brimhall <vbrimhall@novell.com>