Denial-of-Service Open Threat Signaling (DOTS) Signal Channel Call Home
draft-reddy-dots-home-network-02

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DOTS                                                            T. Reddy
Internet-Draft                                                 J. Harsha
Intended status: Standards Track                                  McAfee
Expires: May 16, 2019                                       M. Boucadair
                                                                  Orange
                                                              J. Shallow
                                                               NCC Group
                                                       November 12, 2018

Denial-of-Service Open Threat Signaling (DOTS) Signal Channel Call Home
                    draft-reddy-dots-home-network-02

Abstract

   This document presents DOTS signal channel Call Home service, which
   enables a DOTS server to initiate a secure connection to a DOTS
   client, and to receive the attack traffic information from the DOTS
   client.  The DOTS server in turn uses the attack traffic information
   to identify the compromised devices launching the outgoing DDOS
   attack and takes appropriate mitigation action.

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 May 16, 2019.

Copyright Notice

   Copyright (c) 2018 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

Reddy, et al.             Expires May 16, 2019                  [Page 1]
Internet-Draft            DOTS signal Call Home            November 2018

   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
     1.1.  The Problem . . . . . . . . . . . . . . . . . . . . . . .   2
     1.2.  The Solution  . . . . . . . . . . . . . . . . . . . . . .   4
     1.3.  Scope . . . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Notational Conventions and Terminology  . . . . . . . . . . .   5
   3.  DOTS Signal Channel Call Home . . . . . . . . . . . . . . . .   5
     3.1.  Procedure . . . . . . . . . . . . . . . . . . . . . . . .   5
     3.2.  DOTS Signal Channel Extension . . . . . . . . . . . . . .   6
       3.2.1.  Mitigation Request  . . . . . . . . . . . . . . . . .   6
       3.2.2.  DOTS Signal Call Home YANG Module . . . . . . . . . .   8
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
     4.1.  DOTS Signal Channel Call Home UDP and TCP Port Number . .  12
     4.2.  DOTS Signal Channel CBOR Mappings Registry  . . . . . . .  12
     4.3.  New DOTS Conflict Cause . . . . . . . . . . . . . . . . .  12
     4.4.  DOTS Signal Call Home YANG Module . . . . . . . . . . . .  13
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   6.  Privacy Considerations  . . . . . . . . . . . . . . . . . . .  14
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  15
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  15
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  15
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  15
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  17

1.  Introduction

1.1.  The Problem

   The DOTS signal channel protocol [I-D.ietf-dots-signal-channel] is
   used to carry information about a network resource or a network (or a
   part thereof) that is under a Distributed Denial of Service (DDoS)
   attack.  Such information is sent by a DOTS client to one or multiple
   DOTS servers so that appropriate mitigation actions are undertaken on
   traffic deemed suspicious.  Various use cases are discussed in
   [I-D.ietf-dots-use-cases].

   IoT devices are becoming more and more prevalent in home networks,
   and with compute and memory becoming cheaper and cheaper, various
   types of IoT devices become available in the consumer market at