RFC 6560 · PROPOSED STANDARD · 2012
MON · 14 SEP 2026
One-Time Password Pre-Authentication
Overview
RFC 6560, “One-Time Password Pre-Authentication”, is a Proposed Standard document published in April 2012 by G. Richards. The canonical text is published by the RFC Editor.
Abstract
The Kerberos protocol provides a framework authenticating a client using the exchange of pre-authentication data. This document describes the use of this framework to carry out One-Time Password (OTP) authentication. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 6560 is hosted at rfc-editor.org. Available in TXT,HTML.
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