I2NSF Network Security Function-Facing Interface YANG Data Model
draft-ietf-i2nsf-nsf-facing-interface-dm-05

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Last updated 2019-03-28
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I2NSF Working Group                                               J. Kim
Internet-Draft                                                  J. Jeong
Intended status: Standards Track                 Sungkyunkwan University
Expires: September 29, 2019                                      J. Park
                                                                    ETRI
                                                                S. Hares
                                                                  Q. Lin
                                                                  Huawei
                                                          March 28, 2019

    I2NSF Network Security Function-Facing Interface YANG Data Model
              draft-ietf-i2nsf-nsf-facing-interface-dm-05

Abstract

   This document defines a YANG data model for configuring security
   policy rules on network security functions.  The YANG data model in
   this document is corresponding to the information model for Network
   Security Functions (NSF)-Facing Interface in Interface to Network
   Security Functions (I2NSF).

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 September 29, 2019.

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 September 29, 2019               [Page 1]
Internet-Draft    NSF-Facing Interface YANG Data Model        March 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.  Condtion 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 . . . . . . . . . . . . . . . . . . . . .  89
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  90
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  90
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  90
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  91
   Appendix A.  Configuration Examples . . . . . . . . . . . . . . .  93
     A.1.  Security Requirement 1: Block SNS Access during Business
           Hours . . . . . . . . . . . . . . . . . . . . . . . . . .  93
     A.2.  Security Requirement 2: Block Malicious VoIP/VoLTE
           Packets Coming to the Company . . . . . . . . . . . . . .  96
     A.3.  Security Requirement 3: Mitigate HTTP and HTTPS Flood
           Attacks on a Company Web Server . . . . . . . . . . . . .  99
   Appendix B.  Changes from draft-ietf-i2nsf-nsf-facing-interface-
                dm-04  . . . . . . . . . . . . . . . . . . . . . . . 102
   Appendix C.  Acknowledgments  . . . . . . . . . . . . . . . . . . 102
   Appendix D.  Contributors . . . . . . . . . . . . . . . . . . . . 102
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . . 103

1.  Introduction

   This document defines a YANG [RFC6020][RFC7950] data model for
   security policy rule configuration of network security devices.  The
   YANG data model is corresponding to the information model
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