# Missing authentication token for REST request \[/\]

**URL:** https://discuss.elastic.co/t/missing-authentication-token-for-rest-request/151103
**Category:** Elasticsearch
**Tags:** elastic-stack-security
**Created:** [October 4, 2018, 7:02pm UTC](https://discuss.elastic.co/t/missing-authentication-token-for-rest-request/151103 "2018-10-04T19:02:35Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![rmadoori](https://avatars.discourse-cdn.com/v4/letter/r/47e85d/32.png) [@rmadoori](https://discuss.elastic.co/u/rmadoori)
#### Post date: [October 4, 2018, 7:02pm UTC](https://discuss.elastic.co/t/missing-authentication-token-for-rest-request/151103/1 "2018-10-04T19:02:35Z")

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`[2018-10-04T19:00:45,986][DEBUG][r.suppressed] path: /, params: {} org.elasticsearch.ElasticsearchSecurityException: missing authentication token for REST request [/] at org.elasticsearch.xpack.core.security.support.Exceptions.authenticationError(Exceptions.java:24) ~[x-pack-core-6.3.0.jar:6.3.0]`

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### Author: ![spinscale](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/spinscale/32/25011_2.png) [@spinscale](https://discuss.elastic.co/u/spinscale)
#### Post date: [October 4, 2018, 10:32pm UTC](https://discuss.elastic.co/t/missing-authentication-token-for-rest-request/151103/2 "2018-10-04T22:32:46Z")

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this just indicates that some HTTP client tried to access the `/` resource without providing credentials. Maybe a health check?

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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 1, 2018, 10:34pm UTC](https://discuss.elastic.co/t/missing-authentication-token-for-rest-request/151103/3 "2018-11-01T22:34:05Z")

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