Verifying the TLS Configuration
To verify that TLS is correctly configured, you can use curl to make an HTTPS request to your Elasticsearch cluster.
Example Request
curl --cacert /path/to/elastic-stack-ca.crt -u elastic:password https://localhost:9200
If TLS is configured correctly, you should see a response from Elasticsearch similar to the following:
{
"name" : "node-1",
"cluster_name" : "my-cluster",
"cluster_uuid" : "abcd1234",
"version" : {
"number" : "7.10.0",
"build_flavor" : "default",
"build_type" : "tar",
"build_hash" : "abcdefg",
"build_date" : "2020-11-10T22:14:56.825533Z",
"build_snapshot" : false,
"lucene_version" : "8.7.0",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
Configuring TLS in Elasticsearch
Transport Layer Security (TLS) is an essential feature for securing communication in Elasticsearch. By encrypting data in transit, TLS helps protect sensitive information from interception and tampering. This article will guide you through configuring TLS in Elasticsearch, complete with examples and outputs, presented in an easy-to-understand and beginner-friendly manner.