> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zylon.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Security overview

> Guides for securing and hardening your Zylon server against unauthorized access and network exposure

<Warning>
  **Upcoming release — Zylon 1.58**

  These docs are published ahead of release so you can prepare your API integrations. The release image is not yet available. For installations running 1.57, use the [1.57 documentation](/en/v1.57/overview).
</Warning>

Instance hardening covers the practices and configurations that reduce the attack surface of your Zylon deployment.
Apply these guides after installation to strengthen your server's security posture.

## Topics

<CardGroup cols={2}>
  <Card title="Airgap Your Server" icon="shield" href="/en/v1.58/operator-manual/instance-hardening/airgap-your-server">
    Restrict inbound and outbound network traffic using UFW firewall rules to isolate your Zylon instance.
  </Card>

  <Card title="Disk Encryption" icon="lock" href="/en/v1.58/operator-manual/instance-hardening/disk-encryption">
    Encrypt your server's disk with LUKS to protect data at rest, whether setting up a clean machine or securing an existing Zylon installation.
  </Card>
</CardGroup>


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