RFC 4346: The Transport Layer Security (TLS) Protocol Version 1.1
This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 5246.
Current document in this lineage: RFC 6066 — Transport Layer Security (TLS) Extensions: Extension Definitions; RFC 9846 — The Transport Layer Security (TLS) Protocol Version 1.3
In plain English — editorial summary, not part of the RFC
This document specifies Version 1.1 of the Transport Layer Security (TLS) protocol. The TLS protocol provides communications security over the Internet. The protocol allows client/server applications to communicate in a way that is designed to prevent eavesdropping, tampering, or message forgery.
Document record
- Document ID
- RFC4346
- Published
- April 2006
- Authors
- T. Dierks; E. Rescorla
- Status
- HISTORIC
- Stream
- IETF
- Area
- sec
- Pages
- 87
- Also known as
- —
Standards lineage
This document is one revision in a chain of 15 RFCs, each formally replacing the one before it.
- RFC 2246 (1999)
- RFC 3268 (2002)
- RFC 3546 (2003)
- RFC 4346 (2006)
- RFC 4366 (2006)
- RFC 4492 (2006)
- RFC 4507 (2006)
- RFC 5077 (2008)
- RFC 5246 (2008)
- RFC 6066 (2011)
- RFC 6961 (2013)
- RFC 7627 (2015)
- RFC 8422 (2018)
- RFC 8446 (2018)
- RFC 9846 (2026) ✓
Read the full history of The Transport Layer Security (TLS) Protocol Version 1.3 →
Referenced by
10 later RFCs formally update or obsolete part of this document.
- RFC 4366Transport Layer Security (TLS) ExtensionsObsoleted
April 2006
- RFC 4680TLS Handshake Message for Supplemental DataUpdated
October 2006
- RFC 4681TLS User Mapping ExtensionUpdated
October 2006
- RFC 5246The Transport Layer Security (TLS) Protocol Version 1.2Obsoleted
August 2008
- RFC 5746Transport Layer Security (TLS) Renegotiation Indication ExtensionCurrent
February 2010
- RFC 6176Prohibiting Secure Sockets Layer (SSL) Version 2.0Updated
March 2011
- RFC 7465Prohibiting RC4 Cipher SuitesUpdated
February 2015
- RFC 7507TLS Fallback Signaling Cipher Suite Value (SCSV) for Preventing Protocol Downgrade AttacksObsoleted
April 2015
- RFC 7919Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for Transport Layer Security (TLS)Current
August 2016
- RFC 10015Deprecating Obsolete Key Exchange Methods in TLS 1.2 and DTLS 1.2Current
July 2026
Related documents
Ranked automatically by shared keywords, IETF area and stream — not by editorial selection.
- RFC 4344The Secure Shell (SSH) Transport Layer Encryption ModesCurrent
January 2006
- RFC 4335The Secure Shell (SSH) Session Channel Break ExtensionCurrent
January 2006
- RFC 4334Certificate Extensions and Attributes Supporting Authentication in Point-to-Point Protocol (PPP) and Wireless Local Area Networks (WLAN)Current
February 2006
- RFC 4359The Use of RSA/SHA-1 Signatures within Encapsulating Security Payload (ESP) and Authentication Header (AH)Current
January 2006
- RFC 4325Internet X.509 Public Key Infrastructure Authority Information Access Certificate Revocation List (CRL) ExtensionObsoleted
December 2005
- RFC 4372Chargeable User IdentityCurrent
January 2006
- RFC 4309Using Advanced Encryption Standard (AES) CCM Mode with IPsec Encapsulating Security Payload (ESP)Current
December 2005
- RFC 4383The Use of Timed Efficient Stream Loss-Tolerant Authentication (TESLA) in the Secure Real-time Transport Protocol (SRTP)Current
February 2006
Also filed under
About this page
The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.
Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.
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