# Auto authenticating to an embedded Kibana dashboard (on Elastic.co CLOUD)

**URL:** <https://discuss.elastic.co/t/auto-authenticating-to-an-embedded-kibana-dashboard-on-elastic-co-cloud/71248>\
**Category:** Kibana\
**Created:** [January 11, 2017, 3:52pm UTC](https://discuss.elastic.co/t/auto-authenticating-to-an-embedded-kibana-dashboard-on-elastic-co-cloud/71248 "2017-01-11T15:52:51Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![michele.pagnin](https://avatars.discourse-cdn.com/v4/letter/m/eada6e/32.png) [@michele.pagnin](https://discuss.elastic.co/u/michele.pagnin)\
**Post date:** [January 12, 2017, 11:16am UTC](https://discuss.elastic.co/t/auto-authenticating-to-an-embedded-kibana-dashboard-on-elastic-co-cloud/71248/6 "2017-01-12T11:16:12Z")

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Hi @thomasneirynck,

I've tried to use ngix as a reverse-proxy.  
But I had this error message:  
`{"ok":false,"message":"Unknown cluster."}`  
I'm using an [Elastic.co](http://Elastic.co) cloud instance.

Could you help me please?  
Thx

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_[View the full topic](https://discuss.elastic.co/t/auto-authenticating-to-an-embedded-kibana-dashboard-on-elastic-co-cloud/71248)._