Hadoop Security Guide
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Optional: Configure Ciphers and Protocols for Ambari Server

Ambari provides control of ciphers and protocols that are exposed via Ambari Server.

  1. To disable specific ciphers, you can optionally add a list of the following format to ambari.properties. If you specify multiple ciphers, separate each cipher using a vertical bar |.

    security.server.disabled.ciphers=TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA

  2. To disable specific protocols, you can optionally add a list of the following format to ambari.properties. If you specify multiple protocols, separate each protocol using a vertical bar |.

    security.server.disabled.protocols=SSL|SSLv2|SSLv3