# Heartbeat url monitor
**URL:** https://discuss.elastic.co/t/heartbeat-url-monitor/255524
**Category:** Beats
**Tags:** heartbeat
**Created:** [November 16, 2020, 12:24pm UTC](https://discuss.elastic.co/t/heartbeat-url-monitor/255524 "2020-11-16T12:24:08Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@psganeshk](https://discuss.elastic.co/u/psganeshk)
#### Post date: [November 16, 2020, 12:24pm UTC](https://discuss.elastic.co/t/heartbeat-url-monitor/255524/1 "2020-11-16T12:24:08Z")
Error
401 Unauthorized
Response Body
Body size is 381B.
{"error":{"root\_cause":[{"type":"security\_exception","reason":"missing authentication credentials for REST request [/]","header":{"WWW-Authenticate":"Basic realm="security" charset="UTF-8""}}],"type":"security\_exception","reason":"missing authentication credentials for REST request [/]","header":{"WWW-Authenticate":"Basic realm="security" charset="UTF-8""}},"status":401}
---
### Author:  [@dadoonet](https://discuss.elastic.co/u/dadoonet)
#### Post date: [November 16, 2020, 12:39pm UTC](https://discuss.elastic.co/t/heartbeat-url-monitor/255524/2 "2020-11-16T12:39:33Z")
Welcome!
Probably your elasticsearch cluster is secured (which is a good thing), but you did not enter in heartbeat the credentials...
I'm moving your question to #elastic-stack:beats under #heartbeat tag.
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [December 14, 2020, 12:39pm UTC](https://discuss.elastic.co/t/heartbeat-url-monitor/255524/3 "2020-12-14T12:39:49Z")
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