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Elastic Docs ›Elastic Cloud Enterprise Reference [2.4] ›Administering deployments ›Secure your clusters

Secure your clusters with Kerberos

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Secure your clusters with Kerberos

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You can secure your Elasticsearch clusters and Kibana instances in a deployment by using the Kerberos-5 protocol to authenticate users.

The Kerberos credentials are valid against the deployment, not the ECE platform.

Before you begin

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Elastic Cloud Enterprise supports Kerberos with Elastic Stack version 7.3 and later.

The steps in this section require an understanding of Kerberos. To learn more about Kerberos, see our documentation on configuring Elasticsearch for Kerberos authentication.

Configure the cluster to use Kerberos

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With a custom bundle containing the Kerberos files and changes to the cluster configuration, you can enforce user authentication through the Kerberos protocol.

  1. Create or use an existing deployment that includes a Kibana instance version 7.3 or later.

  2. Create a custom bundle that contains your krb5.conf and keytab files, and add it to your cluster.

    You should use these exact filenames for Elastic Cloud Enterprise to recognize the file in the bundle.

  3. Edit your cluster configuration, sometimes also referred to as the deployment plan, to define Kerberos settings as described in Elasticsearch documentation.

    xpack.security.authc.realms.kerberos.cloud-krb:
   order: 2
   keytab.path: es.keytab
   remove_realm_name: false

  4. Update Kibana in the user settings configuration to use Kerberos as the authentication provider:

    xpack.security.authc.providers: ['kerberos']

    This configuration disables all other realms and only allows users to authenticate with Kerberos. If you wish to allow your native realm users to authenticate, you need to also enable the basic authProvider by setting xpack.security.authc.providers: [kerberos, basic] in the configuration of Kibana.

  5. Use the Kibana endpoint URL to log in.
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