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How do I install a third-party SSL certificate with Flywheel?

Updated on October 22nd, 2020


All new Flywheel plans support adding a third-party SSL certificate for free. If you’re on a ‘Legacy plan’ (purchased before May 1, 2019), you may need to buy an SSL add-on. If that is the case, you will be prompted to purchase the add-on when you enable SSL.


Enable SSL from the domains list

On the Overview tab of the site’s dashboard under Domains, click Enable SSL.


Select the domain to use for your certificate

If your site has more than one domain, you probably want to choose the site’s primary domain.


If your SSL certificate will cover more than one domain, choose one to be the certificate domain, and you can add the others as alternative domains at your SSL provider.


Select I'll bring my own certificate instead


Enter the details to create your CSR

A CSR is a Certificate Signing Request, and it is a block of encoded text that contains the information your SSL provider will need to create an SSL certificate for you.

This information verifies you or your company are the owners of the site, and allows the SSL certificate to work with keys stored on our servers to secure traffic to your site.

Enter your details to generate a CSR for your site. When you’re finished, click the “Complete SSL Setup” button, and the CSR will be automatically emailed to you.


If you’re curious about the fields we collect to generate your CSR, we have more information about that at the bottom of this guide.

Download the CSR from your email, and give it to your SSL provider

At this point, you will need to follow the instructions from your SSL provider (Godaddy, InstantSSL, etc) to upload our CSR file to generate the SSL certificate from their service.


When generating your certificate, the provider may ask for a server type. Flywheel runs NGINX servers, so choose that option if it’s available. If not, Apache + OpenSSL works as well.

Download the newly issued certificate and provide the files to Flywheel

Once they have issued you a certificate, you should then be instructed on how you can download your certificate files. There might be few different files like Root.crt, Intermediate.crt, mydomain.crt, etc. Just download all of them, and our support team can determine the proper ones that need to be installed to secure your site.

You can send the certificate to Flywheel support via our ticket form. Once we have the certificate, we will install it and let you know when it’s all set up!

Confused? No worries! Contact Flywheel support, and we’d be happy to walk you through everything.

Next steps

Even though you have an SSL certificate installed, the site might not be displaying securely.  Check out these guides if you need help with that:

Certificate Signing Request (CSR) Fields

Here is some more information on the fields we collect to generate your CSR:

Domain Name The fully qualified domain name (FQDN) that clients will use to reach your server. To secure, your domain name must be or * if you’re using a wildcard certificate.
Organization Name The exact legal name of your organization. Example: “Acme, Inc.” Less commonly, if you do not have a legal registered organization name, you should enter your own full name here.
Department Name (optional) Many people leave this field blank. This is the department within your organization which you want to appear in the certificate. Common examples: Web Administration, Marketing, or N/A.
City The city where your organization is legally located.
State/Province The state or province where your organization is legally located.
Country The country where your organization is legally located.
Email Your email address.

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