draft-ietf-regext-login-security-09.txt   draft-ietf-regext-login-security-10.txt 
Network Working Group J. Gould Network Working Group J. Gould
Internet-Draft M. Pozun Internet-Draft M. Pozun
Intended status: Standards Track VeriSign, Inc. Intended status: Standards Track VeriSign, Inc.
Expires: August 27, 2020 February 24, 2020 Expires: August 29, 2020 February 26, 2020
Login Security Extension for the Extensible Provisioning Protocol (EPP) Login Security Extension for the Extensible Provisioning Protocol (EPP)
draft-ietf-regext-login-security-09 draft-ietf-regext-login-security-10
Abstract Abstract
The Extensible Provisioning Protocol (EPP) includes a client The Extensible Provisioning Protocol (EPP) includes a client
authentication scheme that is based on a user identifier and authentication scheme that is based on a user identifier and
password. The structure of the password field is defined by an XML password. The structure of the password field is defined by an XML
Schema data type that specifies minimum and maximum password length Schema data type that specifies minimum and maximum password length
values, but there are no other provisions for password management values, but there are no other provisions for password management
other than changing the password. This document describes an EPP other than changing the password. This document describes an EPP
extension that allows longer passwords to be created and adds extension that allows longer passwords to be created and adds
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on August 27, 2020. This Internet-Draft will expire on August 29, 2020.
Copyright Notice Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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described in the Simplified BSD License. described in the Simplified BSD License.
Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Conventions Used in This Document . . . . . . . . . . . . 3 1.1. Conventions Used in This Document . . . . . . . . . . . . 3
2. Migrating to Newer Versions of This Extension . . . . . . . . 4 2. Migrating to Newer Versions of This Extension . . . . . . . . 4
3. Object Attributes . . . . . . . . . . . . . . . . . . . . . . 4 3. Object Attributes . . . . . . . . . . . . . . . . . . . . . . 4
3.1. Event . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.1. Event . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.2. "[LOGIN-SECURITY]" Password . . . . . . . . . . . . . . . 6 3.2. "[LOGIN-SECURITY]" Password . . . . . . . . . . . . . . . 6
3.3. Dates and Times . . . . . . . . . . . . . . . . . . . . . 6 3.3. Dates and Times . . . . . . . . . . . . . . . . . . . . . 7
4. EPP Command Mapping . . . . . . . . . . . . . . . . . . . . . 7 4. EPP Command Mapping . . . . . . . . . . . . . . . . . . . . . 7
4.1. EPP <login> Command . . . . . . . . . . . . . . . . . . . 7 4.1. EPP <login> Command . . . . . . . . . . . . . . . . . . . 7
5. Formal Syntax . . . . . . . . . . . . . . . . . . . . . . . . 15 5. Formal Syntax . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1. Login Security Extension Schema . . . . . . . . . . . . . 15 5.1. Login Security Extension Schema . . . . . . . . . . . . . 15
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 17 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 17
6.1. XML Namespace . . . . . . . . . . . . . . . . . . . . . . 17 6.1. XML Namespace . . . . . . . . . . . . . . . . . . . . . . 17
6.2. EPP Extension Registry . . . . . . . . . . . . . . . . . 18 6.2. EPP Extension Registry . . . . . . . . . . . . . . . . . 18
7. Implementation Status . . . . . . . . . . . . . . . . . . . . 18 7. Implementation Status . . . . . . . . . . . . . . . . . . . . 18
7.1. Verisign EPP SDK . . . . . . . . . . . . . . . . . . . . 19 7.1. Verisign EPP SDK . . . . . . . . . . . . . . . . . . . . 19
8. Security Considerations . . . . . . . . . . . . . . . . . . . 19 8. Security Considerations . . . . . . . . . . . . . . . . . . . 19
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A.4. Change from 03 to REGEXT 00 . . . . . . . . . . . . . . . 22 A.4. Change from 03 to REGEXT 00 . . . . . . . . . . . . . . . 22
A.5. Change from REGEXT 00 to REGEXT 01 . . . . . . . . . . . 22 A.5. Change from REGEXT 00 to REGEXT 01 . . . . . . . . . . . 22
A.6. Change from REGEXT 01 to REGEXT 02 . . . . . . . . . . . 22 A.6. Change from REGEXT 01 to REGEXT 02 . . . . . . . . . . . 22
A.7. Change from REGEXT 02 to REGEXT 03 . . . . . . . . . . . 22 A.7. Change from REGEXT 02 to REGEXT 03 . . . . . . . . . . . 22
A.8. Change from REGEXT 03 to REGEXT 04 . . . . . . . . . . . 23 A.8. Change from REGEXT 03 to REGEXT 04 . . . . . . . . . . . 23
A.9. Change from REGEXT 04 to REGEXT 05 . . . . . . . . . . . 23 A.9. Change from REGEXT 04 to REGEXT 05 . . . . . . . . . . . 23
A.10. Change from REGEXT 05 to REGEXT 06 . . . . . . . . . . . 24 A.10. Change from REGEXT 05 to REGEXT 06 . . . . . . . . . . . 24
A.11. Change from REGEXT 06 to REGEXT 07 . . . . . . . . . . . 24 A.11. Change from REGEXT 06 to REGEXT 07 . . . . . . . . . . . 24
A.12. Change from REGEXT 07 to REGEXT 08 . . . . . . . . . . . 24 A.12. Change from REGEXT 07 to REGEXT 08 . . . . . . . . . . . 24
A.13. Change from REGEXT 08 to REGEXT 09 . . . . . . . . . . . 26 A.13. Change from REGEXT 08 to REGEXT 09 . . . . . . . . . . . 26
A.14. Change from REGEXT 09 to REGEXT 10 . . . . . . . . . . . 27
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 27 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 27
1. Introduction 1. Introduction
This document describes an Extensible Provisioning Protocol (EPP) This document describes an Extensible Provisioning Protocol (EPP)
extension for enhancing the security of the EPP login command in EPP extension for enhancing the security of the EPP login command in EPP
[RFC5730]. The enhancements include supporting longer passwords (or [RFC5730]. EPP [RFC5730] includes a maximum password length of 16
passphrases) than the 16-character maximum and providing a list of characters that inhibits implementing stronger password security
security events in the login response. The password (current and policies with higher entropy. The enhancements include supporting
new) in EPP [RFC5730] can be overridden by the password included in longer passwords (or passphrases) than the 16-character maximum and
the extension to extend past the 16-character maximum. The security providing a list of security events in the login response. The
events supported include: password expiry, client certificate expiry, password (current and new) in EPP [RFC5730] can be overridden by the
insecure cipher, insecure TLS protocol, new password complexity, password included in the extension to extend past the 16-character
login security statistical warning, and a custom event. The maximum. The security events supported include: password expiry,
attributes supported by the security events include identifying the client certificate expiry, insecure cipher, insecure TLS protocol,
event type or sub-type, indicating the security level of warning or new password complexity, login security statistical warning, and a
error, a future or past-due expiration date, the value that resulted custom event. The attributes supported by the security events
in the event, the duration of the statistical event, and a free-form include identifying the event type or sub-type, indicating the
description with an optional language. security level of warning or error, a future or past-due expiration
date, the value that resulted in the event, the duration of the
statistical event, and a free-form description with an optional
language.
1.1. Conventions Used in This Document 1.1. Conventions Used in This Document
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described in BCP "OPTIONAL" in this document are to be interpreted as described in BCP
14 [RFC2119] [RFC8174] when, and only when, they appear in all 14 [RFC2119] [RFC8174] when, and only when, they appear in all
capitals, as shown here. capitals, as shown here.
XML is case sensitive. Unless stated otherwise, XML specifications XML is case sensitive. Unless stated otherwise, XML specifications
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Kaduk's discuss item, changed "It is recommended that the plain Kaduk's discuss item, changed "It is recommended that the plain
text..." to "It is RECOMMENDED that the plain text..." and "If text..." to "It is RECOMMENDED that the plain text..." and "If
non-ASCII characters are supported with the plain text password, non-ASCII characters are supported with the plain text password,
then use a standard for passwords with international characters, then use a standard for passwords with international characters,
such as the OpaqueString PRECIS profile in [RFC8265]." to "If such as the OpaqueString PRECIS profile in [RFC8265]." to "If
non-ASCII characters are supported with the plain text password, non-ASCII characters are supported with the plain text password,
then use a standard for passwords with international characters; then use a standard for passwords with international characters;
the OpaqueString PRECIS profile in [RFC8265] is recommended in the OpaqueString PRECIS profile in [RFC8265] is recommended in
the absence of other considerations." the absence of other considerations."
A.14. Change from REGEXT 09 to REGEXT 10
1. Based on feedback from Benjamin Kaduk, added the sentence "EPP
[RFC5730] includes a maximum password length of 16 characters
that inhibits implementing stronger password security policies
with higher entropy." to the Introduction.
Authors' Addresses Authors' Addresses
James Gould James Gould
VeriSign, Inc. VeriSign, Inc.
12061 Bluemont Way 12061 Bluemont Way
Reston, VA 20190 Reston, VA 20190
US US
Email: jgould@verisign.com Email: jgould@verisign.com
URI: http://www.verisign.com URI: http://www.verisign.com
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