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Elasticsearch works with standard HTTP basic authentication headers to identify the requester. Since Elasticsearch is stateless, this header must be sent with every request:
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This example uses curl without basic auth to create an index:
curl -XPUT 'localhost:9200/idx'
{
"error": "AuthenticationException[Missing authentication token]",
"status": 401
}Since no user is associated with the request above, an authentication error is returned. Now we’ll use curl with
basic auth to create an index as the rdeniro user:
curl --user rdeniro:taxidriver -XPUT 'localhost:9200/idx'
{
"acknowledged": true
}