Encryption is applied to electronic information in order to ensure its privacy and confidentiality. Typically, we think of protecting data as it rests or in motion. Wire Encryption protects the latter as data moves through Hadoop over RPC, HTTP, Data Transfer Protocol (DTP), and JDBC.
Let’s cover the configuration required to encrypt each of these protocols. To see the step-by-step instructions please see the HDP 2.0 documentation.
The most common way for a client to interact with a Hadoop cluster is through RPC. …