# ES, WAN and AES crypto

**URL:** <https://discuss.elastic.co/t/es-wan-and-aes-crypto/15169>\
**Category:** Elasticsearch\
**Created:** [January 9, 2014, 10:48am UTC](https://discuss.elastic.co/t/es-wan-and-aes-crypto/15169 "2014-01-09T10:48:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![foiorina](https://avatars.discourse-cdn.com/v4/letter/f/a87d85/32.png) [@foiorina](https://discuss.elastic.co/u/foiorina)\
**Post date:** [January 9, 2014, 10:48am UTC](https://discuss.elastic.co/t/es-wan-and-aes-crypto/15169/1 "2014-01-09T10:48:43Z")

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Dear All:

Why not to add something like this (optional - simple - only for node to node communication(port 9300)):

cluster.aes: mySecretKey

By

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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 6, 2017, 1:57am UTC](https://discuss.elastic.co/t/es-wan-and-aes-crypto/15169/2 "2017-07-06T01:57:44Z")

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Closed on July 6, 2017, 1:57am UTC