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[role="xpack"]
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[[encrypting-communications]]
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== Encrypting communications
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Elasticsearch nodes store data that may be confidential. Attacks on the data may
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come from the network. These attacks could include sniffing of the data,
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manipulation of the data, and attempts to gain access to the server and thus the
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files storing the data. Securing your nodes helps reduce the risk from
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network-based attacks.
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This section shows how to:
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* Encrypt traffic to, from and within an Elasticsearch cluster using SSL/TLS,
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* Require nodes to authenticate as they join the cluster using SSL certificates, and
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* Make it more difficult for remote attackers to issue any commands to Elasticsearch.
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The authentication of new nodes helps prevent a rogue node from joining the
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cluster and receiving data through replication.
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2019-10-04 13:11:05 -07:00
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include::setting-up-ssl.asciidoc[]
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include::securing-elasticsearch.asciidoc[]
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include::configuring-tls-docker.asciidoc[]
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include::enabling-cipher-suites.asciidoc[]
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