Components of Elastic Stack are unsecured, as it doesn't contain inherent security built into it and can be accessed by anyone. This poses a security risk when running Elastic Stack in production. In order to prevent unauthorized access in production, different mechanisms of imposing security such as running Elastic Stack behind a firewall and securing via reverse proxies (such as nginx, HAProxy, and so on) are employed. Elastic.co offers a commercial product to secure Elastic Stack. The offering is part of X-Pack and the module is called Security.
The X-Pack Security module provides the following ways to secure Elastic Stack:
- User authentication and User authorization
- Node/Client Authentication and Channel Encryption
- Auditing
