Protecting Internet Key Exchange Protocol Version 2 (IKEv2) Implementations from Distributed Denial-of-Service Attacks (RFC8019)
Original Publication Date: 2016-Nov-01
Included in the Prior Art Database: 2016-Nov-17
Internet Society Requests For Comment (RFCs)
Y. Nir: AUTHOR [+2]
Denial-of-Service (DoS) attacks have always been considered a serious threat. These attacks are usually difficult to defend against since the amount of resources the victim has is always bounded (regardless of how high it is) and because some resources are required for distinguishing a legitimate session from an attack.
Internet Engineering Task Force (IETF) Y. Nir Request for Comments: 8019 Check Point Category: Standards Track V. Smyslov ISSN: 2070-1721 ELVIS-PLUS November 2016
Protecting Internet Key Exchange Protocol Version 2 (IKEv2) Implementations from Distributed Denial-of-Service Attacks
This document recommends implementation and configuration best practices for Internet Key Exchange Protocol version 2 (IKEv2) Responders, to allow them to resist Denial-of-Service and Distributed Denial-of-Service attacks. Additionally, the document introduces a new mechanism called "Client Puzzles" that helps accomplish this task.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 7841.
Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at http://www.rfc-editor.org/info/rfc8019.
Copyright (c) 2016 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 (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents 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.
Nir & Smyslov Standards Track [Page 1]
RFC 8019 DDoS Protection for IKEv2 November 2016
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Conventions Used in This Document . . . . . . . . . . . . . . 3
3. The Vulnerability . . . . . . . . . . . . . . . . . . . . . . 3
4. Defense Measures While the IKE SA Is Being Created . . . . . 6
4.1. Retention Per...