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Configure Kerberos authentication in Linux clients for Amazon RDS for SQL Server with AWS Managed Microsoft AD

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This article explains how to configure Kerberos authentication for Linux clients with Amazon RDS for SQL Server, using AWS Managed Microsoft Active Directory (AD).

Specifically, the article covers:

  • Overview of Windows Authentication in SQL Server and Kerberos authentication
  • The solution architecture using AWS Managed Microsoft AD, RDS for SQL Server, and EC2 instances
  • Provisioning AWS resources using CloudFormation
  • Creating AD users and installing required packages on Linux EC2 instance
  • Configuring RDS instance, creating sample database, and setting up Windows logins
  • Retrieving Kerberos ticket-granting ticket (TGT) and performing Kerberos authentication using sqlcmd
  • Automating TGT retrieval using keytab file
  • Performing Kerberos authentication with JDBC
  • Additional setup for self-managed AD using AD trust relationship
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