I2NSF Network Security Function-Facing Interface YANG Data Model
draft-ietf-i2nsf-nsf-facing-interface-dm-07
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2019-07-25
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ietf-i2nsf-policy-rule-for-nsf@2019-07-25.yang:
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# read /a/www/ietf-datatracker/6.107.0/env/share/yang/modules/ietf/ietf-inet-types.yang
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# read /a/www/ietf-ftp/yang/draftmod/ietf-yang-types@2019-07-21.yang
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I2NSF Working Group J. Kim
Internet-Draft J. Jeong
Intended status: Standards Track Sungkyunkwan University
Expires: January 26, 2020 J. Park
ETRI
S. Hares
Q. Lin
Huawei
July 25, 2019
I2NSF Network Security Function-Facing Interface YANG Data Model
draft-ietf-i2nsf-nsf-facing-interface-dm-07
Abstract
This document defines a YANG data model for configuring security
policy rules on Network Security Functions (NSF) in the Interface to
Network Security Functions (I2NSF) framework. The YANG data model in
this document corresponds to the information model for NSF-Facing
Interface in the I2NSF framework.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on January 26, 2020.
Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
Kim, et al. Expires January 26, 2020 [Page 1]
Internet-Draft NSF-Facing Interface YANG Data Model July 2019
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Requirements Language . . . . . . . . . . . . . . . . . . . . 3
3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.1. Tree Diagrams . . . . . . . . . . . . . . . . . . . . . . 4
4. YANG Tree Diagram . . . . . . . . . . . . . . . . . . . . . . 4
4.1. General I2NSF Security Policy Rule . . . . . . . . . . . 4
4.2. Event Clause . . . . . . . . . . . . . . . . . . . . . . 6
4.3. Condition Clause . . . . . . . . . . . . . . . . . . . . 7
4.4. Action Clause . . . . . . . . . . . . . . . . . . . . . . 14
4.5. I2NSF Internet Key Exchange . . . . . . . . . . . . . . . 15
5. YANG Data Module . . . . . . . . . . . . . . . . . . . . . . 15
5.1. I2NSF NSF-Facing Interface YANG Data Module . . . . . . . 15
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 87
7. Security Considerations . . . . . . . . . . . . . . . . . . . 87
8. References . . . . . . . . . . . . . . . . . . . . . . . . . 88
8.1. Normative References . . . . . . . . . . . . . . . . . . 88
8.2. Informative References . . . . . . . . . . . . . . . . . 90
Appendix A. Configuration Examples . . . . . . . . . . . . . . . 91
A.1. Security Requirement 1: Block SNS Access during Business
Hours . . . . . . . . . . . . . . . . . . . . . . . . . . 91
A.2. Security Requirement 2: Block Malicious VoIP/VoLTE
Packets Coming to the Company . . . . . . . . . . . . . . 94
A.3. Security Requirement 3: Mitigate HTTP and HTTPS Flood
Attacks on a Company Web Server . . . . . . . . . . . . . 97
Appendix B. Changes from draft-ietf-i2nsf-nsf-facing-interface-
dm-06 . . . . . . . . . . . . . . . . . . . . . . . 100
Appendix C. Acknowledgments . . . . . . . . . . . . . . . . . . 100
Appendix D. Contributors . . . . . . . . . . . . . . . . . . . . 100
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 101
1. Introduction
This document defines a YANG [RFC6020][RFC7950] data model for
security policy rule configuration of Network Security Functions
(NSF). The YANG data model corresponds to the information model
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