Enabling Practical IPsec Authentication for the Internet

  • Pedro J. Muñoz Merino
  • Alberto García-Martínez
  • Mario Muñoz Organero
  • Carlos Delgado Kloos
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4277)

Abstract

There is a strong consensus about the need for IPsec, although its use is not widespread for end-to-end communications. One of the main reasons for this is the difficulty for authenticating two end-hosts that do not share a secret or do not rely on a common Certification Authority. In this paper we propose a modification to IKE to use reverse DNS and DNSSEC (named DNSSEC-to-IKE) to provide end-to-end authentication to Internet hosts that do not share any secret, without requiring the deployment of a new infrastructure. We perform a comparative analysis in terms of requirements, provided security and performance with state-of-the-art IKE authentication methods and with a recent proposal for IPv6 based on CGA. We conclude that DNSSEC-to-IKE enables the use of IPsec in a broad range of scenarios in which it was not applicable, at the price of offering slightly less security and incurring in higher performance costs.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Pedro J. Muñoz Merino
    • 1
  • Alberto García-Martínez
    • 1
  • Mario Muñoz Organero
    • 1
  • Carlos Delgado Kloos
    • 1
  1. 1.Department of Telematics EngineeringUniversidad Carlos III de MadridLeganés (Madrid)Spain

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