Services or capabilities described in AWS documentation might vary by Region. To see the differences applicable to the AWS European Sovereign Cloud Region, see the AWS European Sovereign Cloud User Guide.
Securing Oracle DB instance connections
Amazon RDS for Oracle supports SSL/TLS encrypted connections and also the Oracle Native Network Encryption (NNE) option
to encrypt connections between your application and your Oracle DB instance. For more information about the
Oracle Native Network Encryption option, see Oracle native network encryption.