Subject: Last Call: <draft-ietf-tls-oldversions-deprecate-09.txt> (Deprecating TLSv1.0 and TLSv1.1) to Best Current Practice

From: The IESG <[email-masked]>
Date: Mon, 09 Nov 2020 14:26:04 -0800

The IESG has received a request from the Transport Layer Security WG (tls) to
consider the following document: - 'Deprecating TLSv1.0 and TLSv1.1'
  <draft-ietf-tls-oldversions-deprecate-09.txt> as Best Current Practice

The IESG plans to make a decision in the next few weeks, and solicits final
comments on this action. Please send substantive comments to the
[email-masked] mailing lists by 2020-11-30. Exceptionally, comments may
be sent to [email-masked] instead. In either case, please retain the beginning
of the Subject line to allow automated sorting.

Abstract

   This document, if approved, formally deprecates Transport Layer
   Security (TLS) versions 1.0 (RFC 2246) and 1.1 (RFC 4346).
   Accordingly, those documents (will be moved|have been moved) to
   Historic status.  These versions lack support for current and
   recommended cryptographic algorithms and mechanisms, and various
   government and industry profiles of applications using TLS now
   mandate avoiding these old TLS versions.  TLSv1.2 has been the
   recommended version for IETF protocols since 2008, providing
   sufficient time to transition away from older versions.  Removing
   support for older versions from implementations reduces the attack
   surface, reduces opportunity for misconfiguration, and streamlines
   library and product maintenance.

   This document also deprecates Datagram TLS (DTLS) version 1.0
   (RFC6347), but not DTLS version 1.2, and there is no DTLS version
   1.1.

   This document updates many RFCs that normatively refer to TLSv1.0 or
   TLSv1.1 as described herein.  This document also updates the best
   practices for TLS usage in RFC 7525 and hence is part of BCP195.

The file can be obtained via
https://datatracker.ietf.org/doc/draft-ietf-tls-oldversions-deprecate/

No IPR declarations have been submitted directly on this I-D.

The document contains these normative downward references.
See RFC 3967 for additional information: 
    rfc5024: ODETTE File Transfer Protocol 2.0 (Informational - Independent Submission Editor stream)
    rfc5024: ODETTE File Transfer Protocol 2.0 (Informational - Independent Submission Editor stream)
    rfc5023: The Atom Publishing Protocol (Proposed Standard - IETF stream)
    rfc5019: The Lightweight Online Certificate Status Protocol (OCSP) Profile for High-Volume Environments (Proposed Standard - IETF stream)
    rfc5019: The Lightweight Online Certificate Status Protocol (OCSP) Profile for High-Volume Environments (Proposed Standard - IETF stream)
    rfc5018: Connection Establishment in the Binary Floor Control Protocol (BFCP) (Proposed Standard - IETF stream)
    rfc4992: XML Pipelining with Chunks for the Internet Registry Information Service (Proposed Standard - IETF stream)
    rfc4992: XML Pipelining with Chunks for the Internet Registry Information Service (Proposed Standard - IETF stream)
    rfc4976: Relay Extensions for the Message Sessions Relay Protocol (MSRP) (Proposed Standard - IETF stream)
    rfc4975: The Message Session Relay Protocol (MSRP) (Proposed Standard - IETF stream)
    rfc4975: The Message Session Relay Protocol (MSRP) (Proposed Standard - IETF stream)
    rfc4964: The P-Answer-State Header Extension to the Session Initiation Protocol for the Open Mobile Alliance Push to Talk over Cellular (Informational - IETF stream)
    rfc4964: The P-Answer-State Header Extension to the Session Initiation Protocol for the Open Mobile Alliance Push to Talk over Cellular (Informational - IETF stream)
    rfc4851: The Flexible Authentication via Secure Tunneling Extensible Authentication Protocol Method (EAP-FAST) (Informational - IETF stream)
    rfc4851: The Flexible Authentication via Secure Tunneling Extensible Authentication Protocol Method (EAP-FAST) (Informational - IETF stream)
    rfc4823: FTP Transport for Secure Peer-to-Peer Business Data Interchange over the Internet (Informational - IETF stream)
    rfc4823: FTP Transport for Secure Peer-to-Peer Business Data Interchange over the Internet (Informational - IETF stream)
    rfc4791: Calendaring Extensions to WebDAV (CalDAV) (Proposed Standard - IETF stream)
    rfc4791: Calendaring Extensions to WebDAV (CalDAV) (Proposed Standard - IETF stream)
    rfc4785: Pre-Shared Key (PSK) Ciphersuites with NULL Encryption for Transport Layer Security (TLS) (Proposed Standard - IETF stream)
    rfc4785: Pre-Shared Key (PSK) Ciphersuites with NULL Encryption for Transport Layer Security (TLS) (Proposed Standard - IETF stream)
    rfc4744: Using the NETCONF Protocol over the Blocks Extensible Exchange Protocol (BEEP) (Historic - IETF stream)
    rfc4744: Using the NETCONF Protocol over the Blocks Extensible Exchange Protocol (BEEP) (Historic - IETF stream)
    rfc4743: Using NETCONF over the Simple Object Access Protocol (SOAP) (Historic - IETF stream)
    rfc4743: Using NETCONF over the Simple Object Access Protocol (SOAP) (Historic - IETF stream)
    rfc4732: Internet Denial-of-Service Considerations (Informational - IAB stream)
    rfc4732: Internet Denial-of-Service Considerations (Informational - IAB stream)
    rfc4712: Transport Mappings for Real-time Application Quality-of-Service Monitoring (RAQMON) Protocol Data Unit (PDU) (Proposed Standard - IETF stream)
    rfc4712: Transport Mappings for Real-time Application Quality-of-Service Monitoring (RAQMON) Protocol Data Unit (PDU) (Proposed Standard - IETF stream)
    rfc4681: TLS User Mapping Extension (Proposed Standard - IETF stream)
    rfc4680: TLS Handshake Message for Supplemental Data (Proposed Standard - IETF stream)
    rfc4680: TLS Handshake Message for Supplemental Data (Proposed Standard - IETF stream)
    rfc4642: Using Transport Layer Security (TLS) with Network News Transfer Protocol (NNTP) (Proposed Standard - IETF stream)
    rfc4642: Using Transport Layer Security (TLS) with Network News Transfer Protocol (NNTP) (Proposed Standard - IETF stream)
    rfc4616: The PLAIN Simple Authentication and Security Layer (SASL) Mechanism (Proposed Standard - IETF stream)
    rfc4616: The PLAIN Simple Authentication and Security Layer (SASL) Mechanism (Proposed Standard - IETF stream)
    rfc4582: The Binary Floor Control Protocol (BFCP) (Proposed Standard - IETF stream)
    rfc4582: The Binary Floor Control Protocol (BFCP) (Proposed Standard - IETF stream)
    rfc4540: NEC's Simple Middlebox Configuration (SIMCO) Protocol Version 3.0 (Experimental - Independent Submission Editor stream)
    rfc4540: NEC's Simple Middlebox Configuration (SIMCO) Protocol Version 3.0 (Experimental - Independent Submission Editor stream)
    rfc4531: Lightweight Directory Access Protocol (LDAP) Turn Operation (Experimental - IETF stream)
    rfc4513: Lightweight Directory Access Protocol (LDAP): Authentication Methods and Security Mechanisms (Proposed Standard - IETF stream)
    rfc3436: Transport Layer Security over Stream Control Transmission Protocol (Proposed Standard - IETF stream)
    rfc3436: Transport Layer Security over Stream Control Transmission Protocol (Proposed Standard - IETF stream)
    rfc3329: Security Mechanism Agreement for the Session Initiation Protocol (SIP) (Proposed Standard - IETF stream)
    rfc3329: Security Mechanism Agreement for the Session Initiation Protocol (SIP) (Proposed Standard - IETF stream)
    rfc3261: SIP: Session Initiation Protocol (Proposed Standard - IETF stream)
    rfc3261: SIP: Session Initiation Protocol (Proposed Standard - IETF stream)
    rfc2246: The TLS Protocol Version 1.0 (Proposed Standard - IETF stream)
    rfc6749: The OAuth 2.0 Authorization Framework (Proposed Standard - IETF stream)
    rfc6739: Synchronizing Service Boundaries and <mapping> Elements Based on the Location-to-Service Translation (LoST) Protocol (Experimental - IETF stream)
    rfc6739: Synchronizing Service Boundaries and <mapping> Elements Based on the Location-to-Service Translation (LoST) Protocol (Experimental - IETF stream)
    rfc6367: Addition of the Camellia Cipher Suites to Transport Layer Security (TLS) (Informational - IETF stream)
    rfc6367: Addition of the Camellia Cipher Suites to Transport Layer Security (TLS) (Informational - IETF stream)
    rfc6176: Prohibiting Secure Sockets Layer (SSL) Version 2.0 (Proposed Standard - IETF stream)
    rfc6176: Prohibiting Secure Sockets Layer (SSL) Version 2.0 (Proposed Standard - IETF stream)
    rfc6042: Transport Layer Security (TLS) Authorization Using KeyNote (Informational - Independent Submission Editor stream)
    rfc5878: Transport Layer Security (TLS) Authorization Extensions (Experimental - IETF stream)
    rfc5469: DES and IDEA Cipher Suites for Transport Layer Security (TLS) (Informational - IETF stream)
    rfc5469: DES and IDEA Cipher Suites for Transport Layer Security (TLS) (Informational - IETF stream)
    rfc5422: Dynamic Provisioning Using Flexible Authentication via Secure Tunneling Extensible Authentication Protocol (EAP-FAST) (Informational - IETF stream)
    rfc5422: Dynamic Provisioning Using Flexible Authentication via Secure Tunneling Extensible Authentication Protocol (EAP-FAST) (Informational - IETF stream)
    rfc5364: Extensible Markup Language (XML) Format Extension for Representing Copy Control Attributes in Resource Lists (Proposed Standard - IETF stream)
    rfc5364: Extensible Markup Language (XML) Format Extension for Representing Copy Control Attributes in Resource Lists (Proposed Standard - IETF stream)
    rfc5281: Extensible Authentication Protocol Tunneled Transport Layer Security Authenticated Protocol Version 0 (EAP-TTLSv0) (Informational - IETF stream)
    rfc5281: Extensible Authentication Protocol Tunneled Transport Layer Security Authenticated Protocol Version 0 (EAP-TTLSv0) (Informational - IETF stream)
    rfc5263: Session Initiation Protocol (SIP) Extension for Partial Notification of Presence Information (Proposed Standard - IETF stream)
    rfc5263: Session Initiation Protocol (SIP) Extension for Partial Notification of Presence Information (Proposed Standard - IETF stream)
    rfc5238: Datagram Transport Layer Security (DTLS) over the Datagram Congestion Control Protocol (DCCP) (Proposed Standard - IETF stream)
    rfc5216: The EAP-TLS Authentication Protocol (Proposed Standard - IETF stream)
    rfc5216: The EAP-TLS Authentication Protocol (Proposed Standard - IETF stream)
    rfc5158: 6to4 Reverse DNS Delegation Specification (Informational - IETF stream)
    rfc5091: Identity-Based Cryptography Standard (IBCS) #1: Supersingular Curve Implementations of the BF and BB1 Cryptosystems (Informational - IETF stream)
    rfc5054: Using the Secure Remote Password (SRP) Protocol for TLS Authentication (Informational - IETF stream)
    rfc5054: Using the Secure Remote Password (SRP) Protocol for TLS Authentication (Informational - IETF stream)
    rfc5049: Applying Signaling Compression (SigComp) to the Session Initiation Protocol (SIP) (Proposed Standard - IETF stream)
    rfc3501: INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1 (Proposed Standard - IETF stream)
    rfc3501: INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1 (Proposed Standard - IETF stream)
    rfc4346: The Transport Layer Security (TLS) Protocol Version 1.1 (Proposed Standard - IETF stream)
    rfc2246: The TLS Protocol Version 1.0 (Proposed Standard - IETF stream)
    rfc4346: The Transport Layer Security (TLS) Protocol Version 1.1 (Proposed Standard - IETF stream)
    rfc4279: Pre-Shared Key Ciphersuites for Transport Layer Security (TLS) (Proposed Standard - IETF stream)
    rfc4261: Common Open Policy Service (COPS) Over Transport Layer Security (TLS) (Proposed Standard - IETF stream)
    rfc4235: An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP) (Proposed Standard - IETF stream)
    rfc4235: An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP) (Proposed Standard - IETF stream)
    rfc4217: Securing FTP with TLS (Proposed Standard - IETF stream)
    rfc4168: The Stream Control Transmission Protocol (SCTP) as a Transport for the Session Initiation Protocol (SIP) (Proposed Standard - IETF stream)
    rfc4162: Addition of SEED Cipher Suites to Transport Layer Security (TLS) (Proposed Standard - IETF stream)
    rfc4111: Security Framework for Provider-Provisioned Virtual Private Networks (PPVPNs) (Informational - IETF stream)
    rfc4097: Middlebox Communications (MIDCOM) Protocol Evaluation (Informational - IETF stream)
    rfc4097: Middlebox Communications (MIDCOM) Protocol Evaluation (Informational - IETF stream)
    rfc3983: Using the Internet Registry Information Service (IRIS) over the Blocks Extensible Exchange Protocol (BEEP) (Proposed Standard - IETF stream)
    rfc3943: Transport Layer Security (TLS) Protocol Compression Using Lempel-Ziv-Stac (LZS) (Informational - IETF stream)
    rfc3903: Session Initiation Protocol (SIP) Extension for Event State Publication (Proposed Standard - IETF stream)
    rfc6749: The OAuth 2.0 Authorization Framework (Proposed Standard - IETF stream)
    rfc3887: Message Tracking Query Protocol (Proposed Standard - IETF stream)
    rfc3871: Operational Security Requirements for Large Internet Service Provider (ISP) IP Network Infrastructure (Informational - IETF stream)
    rfc3871: Operational Security Requirements for Large Internet Service Provider (ISP) IP Network Infrastructure (Informational - IETF stream)
    rfc3856: A Presence Event Package for the Session Initiation Protocol (SIP) (Proposed Standard - IETF stream)
    rfc3767: Securely Available Credentials Protocol (Proposed Standard - IETF stream)
    rfc3749: Transport Layer Security Protocol Compression Methods (Proposed Standard - IETF stream)
    rfc3749: Transport Layer Security Protocol Compression Methods (Proposed Standard - IETF stream)
    rfc3656: The Mailbox Update (MUPDATE) Distributed Mailbox Database Protocol (Experimental - Independent Submission Editor stream)
    rfc3568: Known Content Network (CN) Request-Routing Mechanisms (Informational - IETF stream)
    rfc6750: The OAuth 2.0 Authorization Framework: Bearer Token Usage (Proposed Standard - IETF stream)
    rfc6750: The OAuth 2.0 Authorization Framework: Bearer Token Usage (Proposed Standard - IETF stream)
    rfc7030: Enrollment over Secure Transport (Proposed Standard - IETF stream)
    rfc7030: Enrollment over Secure Transport (Proposed Standard - IETF stream)
    rfc7465: Prohibiting RC4 Cipher Suites (Proposed Standard - IETF stream)
    rfc7465: Prohibiting RC4 Cipher Suites (Proposed Standard - IETF stream)
    rfc7507: TLS Fallback Signaling Cipher Suite Value (SCSV) for Preventing Protocol Downgrade Attacks (Proposed Standard - IETF stream)
    rfc7507: TLS Fallback Signaling Cipher Suite Value (SCSV) for Preventing Protocol Downgrade Attacks (Proposed Standard - IETF stream)
    rfc7562: Transport Layer Security (TLS) Authorization Using Digital Transmission Content Protection (DTCP) Certificates (Informational - Independent Submission Editor stream)
    rfc7562: Transport Layer Security (TLS) Authorization Using Digital Transmission Content Protection (DTCP) Certificates (Informational - Independent Submission Editor stream)
    rfc7568: Deprecating Secure Sockets Layer Version 3.0 (Proposed Standard - IETF stream)
    rfc7568: Deprecating Secure Sockets Layer Version 3.0 (Proposed Standard - IETF stream)
    rfc8422: Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer Security (TLS) Versions 1.2 and Earlier (Proposed Standard - IETF stream)
    rfc8422: Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer Security (TLS) Versions 1.2 and Earlier (Proposed Standard - IETF stream)