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Understanding Active Directory

Understanding Active Directory. Christopher Chapman | MCT Content PM, Microsoft Learning, PDG Planning , Microsoft. Active Directory Certificate Services ( AD CS). Module Overview. What is AD CS? What does AD CS do/provide?. Module Overview .

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Understanding Active Directory

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  1. Understanding Active Directory Christopher Chapman | MCT Content PM, Microsoft Learning, PDG Planning , Microsoft

  2. Active Directory Certificate Services (AD CS)

  3. Module Overview • What is AD CS? • What does AD CS do/provide?

  4. Module Overview • Overview of Active Directory Certificate Services • Understanding Active Directory Certificate Services Certificates • Implementing Certificate Enrollment and Revocation

  5. Lesson 1: Overview of Active Directory Certificate Services • What Is a Certification Authority? • How CA Hierarchies Work • Options for Implementing CAs • Options for Integrating AD CS and AD DS • Demonstration: Tools for Managing AD CS

  6. What Is a Certification Authority? • A Certification Authority (CA) is an entity entrusted to issue certificates to: • Individuals • Computers • Organizations • Services These certificates verify the identity and other attributes of the certificate subject to other entities

  7. Reasons for deploying more than a single server CA hierarchy: How CA Hierarchies Work CA hierarchies include a root CA and one or more levels of subordinate CAs • Usage • Organizational divisions • Geographic divisions • Load balancing • High availability • Restrict administrative access

  8. When implementing a CA solution, you can: Options for Implementing Certification Authorities • Use an internal private CA • Use an external public CA Internal CAs are less expensive and provide more administrative options, but the issued certificates are not trusted by external clients

  9. Options for Integrating AD CS and AD DS

  10. Demo: Tools for Managing AD CS • Certification Authority • Certificate Templates • Online Responder • Enterprise PKI • Certificates

  11. Lesson 2: Understanding Active Directory Certificate Services Certificates • What Are Digital Certificates? • How Public Keys and Private Keys Work • Demonstration: Using Certificates to Secure Data • What Are Certificate Templates?

  12. A certificate is a digital file with two parts What Are Digital Certificates? • Public Key • Base certificate information • Public keys are distributed to all clients who request the key • Private keys are stored only on the computer from which the certificate was requested

  13. Plaintext Plaintext How Public Keys and Private Keys Work SSL (Encrypted) Web Client Decrypt Encrypt Web Server Different keys are used to encrypt and decrypt the message Public Key Private Key

  14. Demonstration: Using Certificates to Secure Data • In this demonstration, you will see how to use certificates to secure data

  15. Certificate templates: What Are Certificate Templates? • Define what certificates can be issued by the CAs • Define certificates used for various purposes • Define which security principals have permissions to read, enroll, and configure the certificate template

  16. Lesson 3: Implementing Certificate Enrollment and Revocation • Options for Implementing Certificate Enrollment • Demonstration: Using Web Enrollment to Obtain Certificates • Administering Certificate Enrollment • Demonstration: Administering Certificate Requests • Options for Automating Certificate Enrollment • What is Certificate Revocation? • Demonstration: Revoking Certificates

  17. What methods are used for certificate enrollment? Options for Implementing Certificate Enrollment • Web Enrollment • Manual/Offline Enrollment • Automatic Enrollment

  18. Demo: Using Web Enrollment to Obtain Certificates • In this demonstration, you will see how to use Web enrollment to obtain certificates

  19. Administering Certificate Enrollment To obtain a certificate using manual enrollment: Create a certificate request 1 Submit certificate request to CA 2 Obtain administrative approval for certificate 3 Retrieve certificate from CA and install on client 4

  20. Demo: Administering Certificate Requests • In this demonstration, you will see how to administer certificate requests

  21. Options for Automating Certificate Enrollment Group Policy triggers automatic request Enterprise CA Group Policy Domain Computer Auto-enroll is enabled on the template from which the requested certificate is created

  22. Clients can ensure the certificate has not been revoked by using the following methods: What Is Certificate Revocation? Certificate revocation occurs when a certificate is invalidated before its expiration period • Online Certificate Status Protocol responder service (OCSP) • Certificate Revocation Lists (CRLs)

  23. Demonstration: Revoking Certificates • In this demonstration, you will see how to revoke certificates

  24. Module Review and Takeaways • Review Questions • Summary of AD CS

  25. Thanks for Watching!

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