PPT Slide

Notes

Message Transfer Security

• Messaging one-way communication

• Secure message needs to be authenticated  and secured

• Three secure mail systems
  • Privacy Enhanced Mail (PEM)
  • Pretty Good Privacy (PGP)
  • X-400: OSI specifications that define  framework; not implementation specific

Network Management: Principles and Practice

© Mani Subramanian 2000

13-58

Chapter 13

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