open-consul/website/source/docs/commands/tls/cert.html.md.erb

---
layout: "docs"
page_title: "Commands: TLS Cert Create"
sidebar_current: "docs-commands-tls-cert"
---

# Consul TLS Cert Create

Command: `consul tls cert create`

The `tls cert create` command is used to create certificates for your Consul TLS
setup.

## Examples

Create a certificate for servers:

```bash
$ consul tls cert create -server
==> WARNING: Server Certificates grants authority to become a
    server and access all state in the cluster including root keys
    and all ACL tokens. Do not distribute them to production hosts
    that are not server nodes. Store them as securely as CA keys.
==> Using consul-ca.pem and consul-ca-key.pem
==> Saved consul-server-dc1-0.pem
==> Saved consul-server-dc1-0-key.pem
```

Create a certificate for clients:

```bash
$ consul tls cert create -client
==> Using consul-ca.pem and consul-ca-key.pem
==> Saved consul-client-0.pem
==> Saved consul-client-0-key.pem
```

Create a certificate for cli:

```bash
$ consul tls cert create -cli
==> Using consul-ca.pem and consul-ca-key.pem
==> Saved consul-cli-0.pem
==> Saved consul-cli-0-key.pem
```
## Usage

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

#### TLS Cert Create Options

- `-additional-dnsname=<string>` - Provide additional dnsname for Subject Alternative Names.

- `-additional-ipaddress=<string>` - Provide additional ipaddress for Subject Alternative Names.

- `-ca=<string>` - Provide path to the ca

- `-cli` - Generate cli certificate

- `-client` - Generate client certificate

- `-days=<int>` - Provide number of days the certificate is valid for from now on.

- `-dc=<string>` - Provide the datacenter. Matters only for -server certificates

- `-domain=<string>` - Provide the domain. Matters only for -server certificates

- `-key=<string>` - Provide path to the key

- `-server` - Generate server certificate