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Mastering Active Directory, Third Edition - Third Edition

You're reading from  Mastering Active Directory, Third Edition - Third Edition

Product type Book
Published in Nov 2021
Publisher Packt
ISBN-13 9781801070393
Pages 780 pages
Edition 3rd Edition
Author (1):
Dishan Francis Dishan Francis
Profile icon Dishan Francis

Table of Contents (22) Chapters

Preface 1. Active Directory Fundamentals 2. Active Directory Domain Services 2022 3. Designing an Active Directory Infrastructure 4. Active Directory Domain Name System 5. Placing Operations Master Roles 6. Migrating to Active Directory 2022 7. Managing Active Directory Objects 8. Managing Users, Groups, and Devices 9. Designing the OU Structure 10. Managing Group Policies 11. Active Directory Services – Part 01 12. Active Directory Services – Part 02 13. Active Directory Certificate Services 14. Active Directory Federation Services 15. Active Directory Rights Management Services 16. Active Directory Security Best Practices 17. Advanced AD Management with PowerShell 18. Hybrid Identity 19. Active Directory Audit and Monitoring 20. Other Books You May Enjoy
21. Index

PKI deployment models

At several points in this chapter, I have mentioned the PKI hierarchy and components such as root CAs, intermediate CAs, and issuing CAs. Based on the business and operational requirements, the PKI topology will also change. There are three deployment models that we can use to address the PKI requirements. In this section, we will look into these models and their characteristics.

The single-tier model

The single-tier model is also referred to as the one-tier model, and it is the simplest deployment model for a PKI. This is not recommended for use in any production network as it's a single point of failure for the entire PKI:

Figure 13.11: Single-tier model

In this model, a single CA will act as a root CA and issuing CA. As explained previously, the root CA is the most trusted CA in the PKI hierarchy. A compromised root CA will compromise the entire PKI. In this model, it's a single server, so any breach of the server will easily...

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