Security and Authentication

To protect data from unauthorized access, some Impala data stores require connections to be authenticated with user credentials or encrypted using the SSL protocol. The Simba Impala ODBC Driver provides full support for these authentication protocols.

Note:

In this documentation, "SSL" refers to both TLS (Transport Layer Security) and SSL (Secure Sockets Layer). The connector supports TLS 1.0, 1.1, and 1.2. The SSL version used for the connection is the highest version that is supported by both the connector and the server.

The connector provides mechanisms that enable you to authenticate your connection using the Kerberos protocol, your Impala user name only, or your Impala user name and password. You must use the authentication mechanism that matches the security requirements of the Impala server. For information about determining the appropriate authentication mechanism to use based on the Impala server configuration, see Authentication Options. For detailed connector configuration instructions, see Configuring AuthenticationConfiguring Authentication.

Additionally, the connector supports SSL connections with or without one-way authentication. If the server has an SSL-enabled socket, then you can configure the connector to connect to it.

It is recommended that you enable SSL whenever you connect to a server that is configured to support it. SSL encryption protects data and credentials when they are transferred over the network, and provides stronger security than authentication alone. For detailed configuration instructions, see Configuring SSL VerificationConfiguring SSL Verification.