How to Generate a Let’s Encrypt® Certificate

To generate a certificate using Let’s Encrypt®, you need to configure the generic Let’s Encrypt® settings first. If you haven’t done this yet, a button displaying Set up Let’s Encrypt® options first will appear. Clicking on it will redirect you to the relevant page. For detailed instructions on setting up Let’s Encrypt®, please refer to the How to Configure Let’s Encrypt® section.

Once the Let’s Encrypt® options are set up, click on the Generate new button. A new dialog will ask you to enter applicable hostnames for the new certificate. This field is mandatory and cannot be left empty.

    You can either let the server generate a private key for you by leaving the default option Generated by the server, or you select the Provided option to provide one.

    If you select the Provided option, there are three ways to provide the private key:

    • Path to file: Enter the complete path to the file in PEM format containing the private key in the Private
      key field. Please be advised that sometimes both the private key and the certificate chain are combined
      into a single file. In such cases, enter the path to the same file in both fields. The file must be located on
      the server.
    • Rawdata: Enter the certificate in PEM format either by manually inputting it or by selecting a local file
      from the machine where the Administration interface is running.
    • PKCS#11 URL: Enter the PKCS#11 URL that specifies the location of your private key. This URL points
      to the exact location of your private key within the Hardware Security Module (HSM) or the device
      where your private key is stored.

    By default, FileZilla Pro Enterprise Server will automatically renew the Let’s Encrypt® certificate. If you want to prevent the automatic renewal, uncheck the Automatically try to renew the certificate in due time.

    Note: To use a newly chosen certificate you must either click the Apply or OK button at the bottom of the settings dialog.

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