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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

Authentication in an AD environment

Let's go ahead and revisit our previous example, to see how the authentication process works in an AD environment:

Figure 16.4: Authentication process in AD

The following list summarizes the steps involved in the authentication process:

  1. Dave sends the username and his long-term key to the KDC (domain controller).
  2. The KDC checks the username and long-term key with its database and verifies the identity. Then, it generates a TGT. It includes a copy of a session key, which the KDC uses to communicate with Dave. This is encrypted using the KDC's long-term key. It also includes a copy of a session key that Dave can use to communicate with the KDC.
  3. The KDC responds to Dave with its TGT.
  4. Dave decrypts his key using his long-term key and the retrieved session key. His system creates a new request, which includes the TGT and the timestamp encrypted by the session key and service ID. Once the request is...
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