# Do I need a certificate for each node?

**URL:** <https://discuss.elastic.co/t/do-i-need-a-certificate-for-each-node/228505>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-security\
**Created:** [April 17, 2020, 11:58am UTC](https://discuss.elastic.co/t/do-i-need-a-certificate-for-each-node/228505 "2020-04-17T11:58:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jgato](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jgato/32/66279_2.png) [@jgato](https://discuss.elastic.co/u/jgato)\
**Post date:** [April 17, 2020, 11:58am UTC](https://discuss.elastic.co/t/do-i-need-a-certificate-for-each-node/228505/1 "2020-04-17T11:58:19Z")

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Hi there,  
I am configuring the cluster with the Helm Chart, so I have created my own self signed certificates just wih openssl. To later store this into the Kubernetes secrets.  
But, do i need to create as much certficates as nodes?

many thanks

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 15, 2020, 11:58am UTC](https://discuss.elastic.co/t/do-i-need-a-certificate-for-each-node/228505/2 "2020-05-15T11:58:21Z")

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