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Install a custom SSL certificate

Install a certificate and matching private key supplied by another certificate authority.

Where Security → Install custom SSL

Enhance custom SSL certificate form

What this is for

  • Select the certificate domain.
  • Supply a complete certificate chain.
  • Match the certificate with its private key.

Before you start

  • Obtain the certificate, intermediate chain and matching private key in PEM format.
  • Confirm the certificate covers the exact domain or wildcard you will select.

Take care

Treat private keys as secrets. Never paste them into tickets, chat, public documentation or an untrusted system.

Steps

  1. 1

    Obtain the certificate, intermediate chain and private key from the approved source.

  2. 2

    Open Security and select Install custom SSL.

  3. 3

    Choose the exact domain covered by the certificate.

  4. 4

    Paste the certificate and any required intermediate certificates in the expected order.

  5. 5

    Paste the matching private key and install the certificate.

  6. 6

    Test the domain with a browser and an SSL checker before enabling Force HTTPS.

Check it worked

  • Security shows the custom certificate as active for the intended domain.
  • A browser and an independent SSL checker trust the certificate and show the complete chain.

What the controls do

Control What it means
Domain The hostname the certificate will protect.
Certificate The public certificate and required chain in PEM format.
Private key The secret key paired with the certificate request.