Using Basic Auth Reverse Proxy for iframe Kibana Dashboard

Elastic Stack Kibana
1

I'm developing an application that embeds one of my company's internal Kibana dashboards into an iframe so that the application's users have restricted access to only a specific dashboard.

I'm using an Nginx reverse proxy to pass a basic authentication header using a hard-coded user to Kibana for automatic authentication as described here:

proxy_set_header Authorization "Basic Y3N..."       # base64 of user:pass

However, the browser still prompts me for credentials and none that I try will work:

Capture

I click "Cancel" and I get this response from the browser:

{
    "statusCode": 401,
    "error": "Unauthorized",
    "message": "[security_exception] unable to authenticate user [cs_api_user] for REST request [/_xpack/security/_authenticate], with { header={ WWW-Authenticate=\"Basic realm=\\\"security\\\" charset=\\\"UTF-8\\\"\" } }"
}

To eliminate the proxy as the cause, I tried to send a request using curl, getting the same response:

$ curl -k -H "Authorization: Basic Y3N..." -X GET https://<kbn-ip>:5601
$ curl -k -H "Authorization: Basic Y3N..." -X GET https://<kbn-ip>:5601 -u cs_api_user

Is this an issue on my end or do I need to configure Kibana in some way?

2

Seems like maybe the iframe source is not pointed at the reverse proxy? That setup should work if all Kibana traffic is going through it.

3

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