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**Problem:** For historical reasons, source files for the Elasticsearch Guide's security, watcher, and Logstash API docs are housed in the `x-pack/docs` directory. This can confuse new contributors who expect Elasticsearch Guide docs to be located in `docs/reference`. **Solution:** - Move the security, watcher, and Logstash API doc source files to the `docs/reference` directory - Update doc snippet tests to use security Rel: https://github.com/elastic/platform-docs-team/issues/208
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[[manually-configure-security]]
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== Manually configure security
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Security needs vary depending on whether you're developing locally on your
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laptop or securing all communications in a production environment. Regardless
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of where you're deploying the {stack} ("ELK"), running a secure cluster is
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incredibly important to protect your data. That's why security is
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<<configuring-stack-security,enabled and configured by default>> in {es} 8.0
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and later.
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If you want to enable security on an existing, unsecured cluster, use your own
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Certificate Authority (CA), or would rather manually configure security, the
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following scenarios provide steps for configuring TLS on the transport layer,
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plus securing HTTPS traffic if you want it.
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If you configure security manually _before_ starting your {es} nodes, the
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auto-configuration process will respect your security configuration. You can
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adjust your TLS configuration at any time, such as
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<<update-node-certs,updating node certificates>>.
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image::images/elastic-security-overview.png[Elastic Security layers]
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[discrete]
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[[security-minimal-overview]]
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=== Minimal security ({es} Development)
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If you've been working with {es} and want to enable security on your existing,
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unsecured cluster, start here. You'll set passwords for the built-in users to prevent
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unauthorized access to your local cluster, and also configure password
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authentication for {kib}.
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// tag::minimal-security-note[]
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IMPORTANT: The minimal security scenario is not sufficient for
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<<dev-vs-prod-mode,production mode>> clusters. If your cluster has multiple
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nodes, you must enable minimal security and then
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<<security-basic-setup,configure Transport Layer Security (TLS)>> between
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nodes.
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// end::minimal-security-note[]
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<<security-minimal-setup,Set up minimal security>>
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[discrete]
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[[security-basic-overview]]
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=== Basic security ({es} + {kib})
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This scenario configures TLS for communication between
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nodes. This security layer requires that nodes verify security certificates,
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which prevents unauthorized nodes from joining your {es} cluster.
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Your external HTTP traffic between {es} and {kib} won't be encrypted, but
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internode communication will be secured.
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<<security-basic-setup,Set up basic security>>
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[discrete]
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[[security-basic-https-overview]]
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=== Basic security plus secured HTTPS traffic ({stack})
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This scenario builds on the one for basic security and secures all HTTP
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traffic with TLS. In addition to configuring TLS on the transport interface of
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your {es} cluster, you configure TLS on the HTTP interface for both
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{es} and {kib}.
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NOTE: If you need mutual (bidirectional) TLS on the HTTP layer, then you'll
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need to configure mutual authenticated encryption.
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You then configure {kib} and Beats to communicate with
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{es} using TLS so that all communications are encrypted. This level
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of security is strong, and ensures that any communications in and out of your
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cluster are secure.
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<<security-basic-setup-https,Set up basic security plus HTTPS traffic>>
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include::securing-communications/security-minimal-setup.asciidoc[]
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include::securing-communications/security-basic-setup.asciidoc[]
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include::securing-communications/security-basic-setup-https.asciidoc[]
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include::securing-communications/change-passwords-native-users.asciidoc[]
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include::securing-communications/enabling-cipher-suites.asciidoc[]
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include::securing-communications/tls-versions-jdk.asciidoc[]
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include::reference/files.asciidoc[]
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include::fips-140-compliance.asciidoc[] |