# Missing Authentication for REST request

**URL:** <https://discuss.elastic.co/t/missing-authentication-for-rest-request/154807>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-security\
**Created:** [October 31, 2018, 10:12am UTC](https://discuss.elastic.co/t/missing-authentication-for-rest-request/154807 "2018-10-31T10:12:37Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![ikakavas](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ikakavas/32/34430_2.png) [@ikakavas](https://discuss.elastic.co/u/ikakavas)\
**Post date:** [October 31, 2018, 12:06pm UTC](https://discuss.elastic.co/t/missing-authentication-for-rest-request/154807/6 "2018-10-31T12:06:43Z")

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For the High Level rest client see the last comment [here](https://www.elastic.co/guide/en/elasticsearch/client/java-rest/current/java-rest-low-usage-initialization.html) that references [HttpAsyncClientBuilder](http://hc.apache.org/httpcomponents-asyncclient-dev/httpasyncclient/apidocs/org/apache/http/impl/nio/client/HttpAsyncClientBuilder.html) where you can pass the keystore parameter.

For postman, I am not aware how this is done, you can probably find the answer in their docs.

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