# TLS for 5.6.12 version

**URL:** <https://discuss.elastic.co/t/tls-for-5-6-12-version/155125>\
**Category:** Elasticsearch\
**Created:** [November 2, 2018, 7:05am UTC](https://discuss.elastic.co/t/tls-for-5-6-12-version/155125 "2018-11-02T07:05:34Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![mruthyu](https://avatars.discourse-cdn.com/v4/letter/m/bb73d2/32.png) [@mruthyu](https://discuss.elastic.co/u/mruthyu)\
**Post date:** [November 2, 2018, 7:05am UTC](https://discuss.elastic.co/t/tls-for-5-6-12-version/155125/1 "2018-11-02T07:05:34Z")

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Would like to know for 5.6.12 version whether the TLS setup is mandatory for elasticsearch cluster if we have the subscription and using the X-Pack Security.

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [November 2, 2018, 7:51am UTC](https://discuss.elastic.co/t/tls-for-5-6-12-version/155125/2 "2018-11-02T07:51:34Z")

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I believe it [was made mandatory in version 6.0](https://www.elastic.co/guide/en/elasticsearch/reference/6.4/bootstrap-checks-xpack.html#_ssl_tls_check). It is however highly recommended as sending passwords over unencrypted connections is bad practice.

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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:** [November 30, 2018, 7:51am UTC](https://discuss.elastic.co/t/tls-for-5-6-12-version/155125/3 "2018-11-30T07:51:38Z")

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Closed on November 30, 2018, 7:51am UTC

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