This is documentation for MapR Version 5.0. You can also refer to MapR documentation for the latest release.

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  • Communication between the nodes in the cluster is authenticated and may be encrypted:
    • Traffic between the server and cluster, traffic within the MapR filesystem, and CLDB traffic is authenticated using network-safe tokens and may be encrypted with secure MapR RPCs.
    • Traffic between JobClients, TaskTrackers, JobTrackers, NodeManagers, and ResourceManagers is secured with MapR-SASL, an implementation of the Simple Authentication and Security Layer framework (SASL) framework.
  • Support for Kerberos user authentication.
  • Support for Kerberos encryption for secure communication to open source components that require it.
  • Support for the Simple and Protected GSSAPI Negotiation Mechanism (SPNEGO) used with the web UI frontends of some cluster components.