RFC 6347 - Datagram Transport Layer Security Version 1.2

Status of This Memo: Standards Track

Published: January 2012

Authors: E. Rescorla (RTFM, Inc.), N. Modadugu (Google, Inc.)

Obsoletes: RFC 4347

Abstract

This document specifies version 1.2 of the Datagram Transport Layer Security (DTLS) protocol. The DTLS protocol provides communications privacy for datagram protocols. The protocol allows client/server applications to communicate in a way that is designed to prevent eavesdropping, tampering, or message forgery. The DTLS protocol is based on the Transport Layer Security (TLS) protocol and provides equivalent security guarantees. Datagram semantics of the underlying transport are preserved by the DTLS protocol. This document updates DTLS 1.0 to work with TLS version 1.2.

Contents

• 1. Introduction
  • 1.1. Requirements Terminology
• 2. Usage Model
• 3. Overview of DTLS
  • 3.1. Loss-Insensitive Messaging
  • 3.2. Providing Reliability for Handshake
  • 3.3. Replay Detection
• 4. Differences from TLS
  • 4.1. Record Layer
  • 4.2. The DTLS Handshake Protocol
  • 4.3. Summary of New Syntax
• 5. Security Considerations
• 6. Acknowledgments
• 7. IANA Considerations
• 8. Changes since DTLS 1.0
• 9. References
  • 9.1. Normative References
  • 9.2. Informative References
• Authors' Addresses

Status of This Memo

This is an Internet Standards Track document.

This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 5741.

Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at http://www.rfc-editor.org/info/rfc6347.

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