Introduction

• IPsec results from the a will to provide security features at the IP level

  • Increasing use of the Internet Protocol in company networks and for sensitive applications
  • Democratization of the Internet and easiness of the attacks
  • IP version 6 = good opportunity to include security in IP

• IPsec = IP Security Protocol

  • Standard developed by the IETF (Internet Engineering Task Force) since 1992
  • First version in 1995
  • Improved version, with dynamic management of the security parameters (IKE protocol), in November 1998