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Encrypt the Elasticsearch Transport Network

No matter what technology we are working with, we always need to be mindful of security. Big data platforms are certainly no exception, as they can contain massive amounts of sensitive data that must be protected. Elasticsearch has made securing your cluster very easy with native security configurations and tools to ensure that your data is only accessible to authorized users. In this hands-on lab, you will do the following: * Encrypt the transport network of an Elasticsearch cluster * Enable user authentication in Elasticsearch * Set built-in Elasticsearch user passwords

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Path Info

Clock icon Intermediate
Clock icon 1h 30m
Clock icon Jul 17, 2020

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Table of Contents

  1. Challenge

    Configure transport network encryption.

    Using the Secure Shell (SSH), log in to each node as cloud_user via the public IP address.

    Become the root user with:

    sudo su -

    Add the following to /etc/elasticsearch/elasticsearch.yml on each node:

    # --------------------------------- Security -----------------------------------
    # true true certificate certificate.p12 certificate.p12
  2. Challenge

    Restart Elasticsearch.

    Start Elasticsearch with:

    systemctl start elasticsearch
  3. Challenge

    Set the password for each built-in user.

    Set the built-in user passwords using the elasticsearch-setup-passwords utility on the master-1 node:

    /usr/share/elasticsearch/bin/elasticsearch-setup-passwords interactive

    Use the following passwords:

    User: elastic
    Password: elastic_566
    User: apm_system
    Password: apm_system_566
    User: kibana
    Password: kibana_566
    User: logstash_system
    Password: logstash_system_566
    User: beats_system
    Password: beats_system_566
    User: remote_monitoring_user
    Password: remote_monitoring_user_566

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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