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255c9a7f95
**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
56 lines
2.2 KiB
Text
56 lines
2.2 KiB
Text
[role="exclude"]
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When {es} starts for the first time, the security auto-configuration process
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binds the HTTP layer to `0.0.0.0`, but only binds the transport layer to
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localhost. This intended behavior ensures that you can start
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a single-node cluster with security enabled by default without any additional
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configuration.
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Before enrolling a new node, additional actions such as binding to an address
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other than `localhost` or satisfying bootstrap checks are typically necessary
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in production clusters. During that time, an auto-generated enrollment token
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could expire, which is why enrollment tokens aren't generated automatically.
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Additionally, only nodes on the same host can join the cluster without
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additional configuration. If you want nodes from another host to join your
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cluster, you need to set `transport.host` to a
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{ref}/modules-network.html#network-interface-values[supported value]
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(such as uncommenting the suggested value of `0.0.0.0`), or an IP address
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that's bound to an interface where other hosts can reach it. Refer to
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{ref}/modules-network.html#transport-settings[transport settings] for more
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information.
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To enroll new nodes in your cluster, create an enrollment token with the
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`elasticsearch-create-enrollment-token` tool on any existing node in your
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cluster. You can then start a new node with the `--enrollment-token` parameter
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so that it joins an existing cluster.
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. In a separate terminal from where {es} is running, navigate to the directory
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where you installed {es} and run the
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<<create-enrollment-token,`elasticsearch-create-enrollment-token`>> tool
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to generate an enrollment token for your new nodes.
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+
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["source","sh",subs="attributes"]
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----
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bin{slash}elasticsearch-create-enrollment-token -s node
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----
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+
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Copy the enrollment token, which you'll use to enroll new nodes with
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your {es} cluster.
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. From the installation directory of your new node, start {es} and pass the
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enrollment token with the `--enrollment-token` parameter.
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+
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["source","sh",subs="attributes"]
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----
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bin{slash}elasticsearch --enrollment-token <enrollment-token>
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----
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+
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{es} automatically generates certificates and keys in the following directory:
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+
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["source","sh",subs="attributes"]
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----
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config{slash}certs
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----
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. Repeat the previous step for any new nodes that you want to enroll.
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