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Create Oracle Wallet for AWS DMS SSL connections using SQLcl

Database Blog

This article explains how to create an Oracle Wallet using SQLcl for secure SSL connections between AWS DMS and Amazon RDS for Oracle, avoiding the need to download the full Oracle Client software.

  • Install Oracle SQLcl and Amazon Corretto 21 Java on Amazon Linux 2023
  • Download and split the RDS certificate bundle into individual PEM files
  • Create an Oracle Wallet and add all three certificates using orapki utility
  • Configure sqlnet.ora, tnsnames.ora, and ojdbc.properties for SSL connections
  • Test SSL connectivity using TCPS protocol on port 2484
  • Upload wallet to S3 and import as AWS DMS certificate
  • Configure DMS endpoint with SSL mode and certificate for secure migrations
  • Troubleshoot common errors including SSL handshake failures and cipher suite issues

Using SQLcl provides a lightweight alternative to the full Oracle Client while enabling complete Oracle Wallet management for secure database migrations to RDS for Oracle.

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