Import a Certificate and Private Key
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Import a Certificate and Private Key

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Import a Certificate and Private Key

If your enterprise has its own public key infrastructure (PKI), you can import a certificate and private key into the firewall from your enterprise certificate authority (CA). Enterprise CA certificates (unlike most certificates purchased from a trusted, third-party CA) can automatically issue CA certificates for applications such as SSL/TLS decryption or large-scale VPN.
On a Palo Alto Networks firewall or Panorama, you can import self-signed certificates only if they are CA certificates.
Instead of importing a self-signed root CA certificate into all the client systems, it is a best practice to import a certificate from the enterprise CA because the clients will already have a trust relationship with the enterprise CA, which simplifies the deployment.
If the certificate you will import is part of a certificate chain, it is a best practice to import the entire chain.
  1. From the enterprise CA, export the certificate and private key that the firewall will use for authentication.
    When exporting a private key, you must enter a passphrase to encrypt the key for transport. Ensure the management system can access the certificate and key files. When importing the key onto the firewall, you must enter the same passphrase to decrypt it.
  2. Select
    Device
    Certificate Management
    Certificates
    Device Certificates
    .
  3. If the firewall has more than one virtual system (vsys), select a
    Location
    (vsys or
    Shared
    ) for the certificate.
  4. Click
    Import
    and enter a
    Certificate Name
    . The name is case-sensitive and can have up to 63 characters on the firewall or up to 31 characters on Panorama. It must be unique and use only letters, numbers, hyphens, and underscores.
  5. To make the certificate available to all virtual systems, select the
    Shared
    check box. This check box appears only if the firewall supports multiple virtual systems.
  6. Enter the path and name of the
    Certificate File
    received from the CA, or
    Browse
    to find the file.
  7. Select a
    File Format
    :
    • Encrypted Private Key and Certificate (PKCS12)
      —This is the default and most common format, in which the key and certificate are in a single container (
      Certificate File
      ). If a hardware security module (HSM) will store the private key for this certificate, select the
      Private key resides on Hardware Security Module
      check box.
    • Base64 Encoded Certificate (PEM)
      —You must import the key separately from the certificate. If a hardware security module (HSM) stores the private key for this certificate, select the
      Private key resides on Hardware Security Module
      check box and skip the next step. Otherwise, select the
      Import Private Key
      check box, enter the
      Key File
      or
      Browse
      to it, then continue to the next step.
      (
      Panorama managed firewalls
      ) You are required to
      Import Private Key
      if you enabled
      Block Private Key Export
      when the certificate was generated to successfully push configuration changes from the Panorama management server to managed firewalls.
    • (
      SD-WAN IKEv2 Certificate Authentication Support
      ) (
      Beginning with SD-WAN 3.2.0 Release
      )
      Multiple Certificates (.tar)
      —Contains multiple certificates archived in a tar format.
      Use CSV file to bulk import the certificates into the Panorama management server. Follow these steps if you select
      Multiple Certificates (.tar)
      .
      1. Download Sample CSV
        to download and save the
        Certificates.CSV
        template. Populate the template with certificate related information: certificate name, format, passphrase, block private key, and file name.
        Following is a sample
        Certificates.CSV
        :
        • Enter the certificate
          file name
          with an extension. The
          file name
          should exactly match the certificate that you will be uploading to the device.
        • All the certificate fields are case-sensitive except the
          format
          and
          passphrase
          field.
      2. To import multiple certificates, archive all the certificates and the populated
        Certificates.CSV
        file in .tar format.
        Browse
        and select a
        .tar file
        to bulk import the
        Certificate File
        . Certificate format .PKCS12 is supported. The size of the archive(.tar) file should be less than 10MB. Ensure that the extension of the tar file is
        .tar
        .
        All the certificates must be signed by the same CA within the SD-WAN VPN cluster. You must import the CA certificate along with the device certificate. Device certificate must be directly signed by the root CA (no intermediate certificates are allowed).
      3. You must commit after bulk import for the certificates to be available for further configuration.
  8. Enter and re-enter (confirm) the
    Passphrase
    used to encrypt the private key.
  9. Click
    OK
    . The Device Certificates page displays the imported certificate.

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