# Shield integration with CAS

**URL:** https://discuss.elastic.co/t/shield-integration-with-cas/44515
**Category:** Elasticsearch
**Tags:** elastic-stack-security
**Created:** [March 16, 2016, 7:16am UTC](https://discuss.elastic.co/t/shield-integration-with-cas/44515 "2016-03-16T07:16:23Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![udaykirankona](https://avatars.discourse-cdn.com/v4/letter/u/ac91a4/32.png) [@udaykirankona](https://discuss.elastic.co/u/udaykirankona)
#### Post date: [March 16, 2016, 7:16am UTC](https://discuss.elastic.co/t/shield-integration-with-cas/44515/1 "2016-03-16T07:16:23Z")

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Can we integrate shield with CAS (Central Authentication Service). If yes, can you please provide the procedure to do it.

Thanks in Advance

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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: [March 16, 2016, 10:14am UTC](https://discuss.elastic.co/t/shield-integration-with-cas/44515/2 "2016-03-16T10:14:40Z")

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As far as I know Shield does not currently have out-of-the-box support for CAS, but it should be possible to integrate it with CAS through a [custom realm](https://www.elastic.co/guide/en/shield/current/custom-realms.html).

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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, 1:46pm UTC](https://discuss.elastic.co/t/shield-integration-with-cas/44515/3 "2017-07-06T13:46:02Z")

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