# How can we control a node that want to join our multiple nodes cluster Elasticsearch?

**URL:** <https://discuss.elastic.co/t/how-can-we-control-a-node-that-want-to-join-our-multiple-nodes-cluster-elasticsearch/57330>\
**Category:** Elasticsearch\
**Created:** [August 5, 2016, 10:09am UTC](https://discuss.elastic.co/t/how-can-we-control-a-node-that-want-to-join-our-multiple-nodes-cluster-elasticsearch/57330 "2016-08-05T10:09:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![valf](https://avatars.discourse-cdn.com/v4/letter/v/8e7dd6/32.png) [@valf](https://discuss.elastic.co/u/valf)\
**Post date:** [August 5, 2016, 10:09am UTC](https://discuss.elastic.co/t/how-can-we-control-a-node-that-want-to-join-our-multiple-nodes-cluster-elasticsearch/57330/1 "2016-08-05T10:09:40Z")

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Hi,

Is it possible to control on our multiple nodes cluster Elastic, the list of nodes that can join our cluster ?

Best regards

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [August 5, 2016, 10:57am UTC](https://discuss.elastic.co/t/how-can-we-control-a-node-that-want-to-join-our-multiple-nodes-cluster-elasticsearch/57330/2 "2016-08-05T10:57:45Z")

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You can have a whitelist with Shield/X-Pack (commercial plugin).  
At least you could try to use a strange cluster name which will prevents other nodes to join...

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 5, 2017, 10:29pm UTC](https://discuss.elastic.co/t/how-can-we-control-a-node-that-want-to-join-our-multiple-nodes-cluster-elasticsearch/57330/3 "2017-07-05T22:29:49Z")

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