open-consul/website/pages/docs/commands/tls/ca.mdx

---
layout: docs
page_title: 'Commands: TLS CA Create'
sidebar_current: docs-commands-tls-ca
---

# Consul TLS CA Create

Command: `consul tls ca create`

This command create a self signed CA to be used for Consul TLS setup.

## Example

Create CA:

```bash
$ consul tls ca create
==> Saved consul-ca.pem
==> Saved consul-ca-key.pem
```

## Usage

Usage: `consul tls ca create [filename-prefix] [options]`

#### TLS CA Create Options

- `-days=<int>` - Provide number of days the CA is valid for from now on, defaults to 5 years.