RFC 2866 · INFORMATIONAL · 2000
SUN · 14 JUN 2026
RADIUS Accounting
Overview
RFC 2866, “RADIUS Accounting”, is an Informational document published in June 2000 by C. Rigney. It obsoletes RFC 2139. It has since been updated by RFC 2867, RFC 5080, RFC 5997, RFC 9765. The canonical text is published by the RFC Editor.
Abstract
This document describes a protocol for carrying accounting information between a Network Access Server and a shared Accounting Server. This memo provides information for the Internet community.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 2866 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2000
- RFC 2865 Remote Authentication Dial In User Service
- RFC 2867 RADIUS Accounting Modifications for Tunnel Protocol Support
- RFC 2864 The Inverted Stack Table Extension to the Interfaces Group MIB
- RFC 2868 RADIUS Attributes for Tunnel Protocol Support
- RFC 2863 The Interfaces Group MIB
- RFC 2869 RADIUS Extensions
- RFC 2862 RTP Payload Format for Real-Time Pointers
- RFC 2870 Root Name Server Operational Requirements