IPSec Overview Part One: General IPSec Standards

Contents

  1. IP Security Protocol
  2. DES Algorithm
  3. Triple DES Algorithm (3DES)
  4. Diffie-Hellman (D-H)
  5. Message Digest 5 (MD5)
  6. Secure Hash Algorithm 1 (SHA-1)
  7. Rivest, Shamir, and Adelman Signatures (RSA)
  8. Internet Key Exchange (IKE)
  9. Certificate Authorities (CA)

Article Description

Virtual Private Networks (VPNs) are becoming required expertise for network and security engineers, and IPSec is the most commonly used protocol when implementing VPNs. In this first article of a five-part series on the Cisco implementation of IPSec, Andrew Mason delves into the components that make up the IPSec protocol suite.

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Internet Key Exchange (IKE)

IKE is a hybrid protocol that provides utility services for IPSec: authentication of the IPSec peers, negotiation of IKE and IPSec security associations, and establishment of keys for encryption algorithms used by IPSec.

NOTE

IKE is synonymous with ISAKMP in Cisco router or PIX Firewall configurations.

9. Certificate Authorities (CA) | Next SectionPrevious Section