The base specifications of the Extensible Messaging and Presence Protocol (XMPP) formalize the core protocols developed within the Jabber open-source community in 1999. They were produced by the IETF's XMPP Working Group and published as RFCs in October, 2004.
Note: Only the ASCII versions are normative!
| RFC | Short Name | Formats | Description |
|---|---|---|---|
| RFC 3920 | XMPP Core | Text | HTML | XML streams, SASL, TLS, stringprep profiles, stanza semantics |
| RFC 3921 | XMPP IM | Text | HTML | XMPP extensions for basic instant messaging and presence |
| RFC 3922 | XMPP CPIM | Text | HTML | Mapping XMPP to the IETF's CPIM specifications |
| RFC 3923 | XMPP E2E | Text | HTML | End-to-end signing and object encryption for XMPP |
| RFC 4622 | XMPP URI | Text (HTML to follow) | Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for XMPP |
Note: See Potential Changes to XMPP RFCs for additional information.
Many XMPP extensions are defined in the JEP series produced by the Jabber Software Foundation, and several XMPP-related Internet-Drafts are currently under consideration within the IETF.