Importing a certificate to users' computers

3 July 2024

ID 188633

After adding an SSL Bumping certificate, you must make this certificate trusted for browsers on users' computers. To do so, you need to import it into the system storage of trusted certificates for the Windows operating system.

The Mozilla Firefox browser uses its own certificate storage. For details about importing a certificate to the Mozilla Firefox storage, please refer to the instructions below.

You can use Windows group policies to simultaneously import a certificate to all computers that belong to a domain. For more details on group policies, please refer to the operating system documentation.

If you do not have the capability to use Windows group policies to distribute a certificate, you must manually import the certificate to each computer of the corporate LAN.

To manually import a certificate to the trusted certificate storage of Windows:

  1. Copy the previously downloaded certificate to the user's computer.
  2. Open the certificate file by double-clicking it.
  3. In the opened window, click Install Certificate on the General tab.

    The Certificate Import Wizard starts.

  4. In the welcome window of the Wizard, select one of the following certificate import options:
    • Current User.

      The certificate will be available only when connected under the account of the current user.

    • Local Machine.

      The certificate will be available for all users of this computer.

      To select this option, you must have the local administrator privileges of the operating system.

    The Certificate Store window opens.

  5. Select the Place all certificates in the following store option and click Browse.

    The Select Certificate Store window opens.

  6. Select the Trusted Root Certification Authorities storage and click OK.

    The Certificate Store window displays the name of the selected storage.

  7. Click Next.
  8. In the completion window of the Wizard, click Finish.
  9. In the successful certificate import message, click OK.

The certificate will be imported into the Windows system storage of trusted certificates.

To manually import a certificate into the Mozilla Firefox browser storage:

  1. Copy the previously downloaded certificate to the user's computer.
  2. In the Mozilla Firefox browser menu, select Options.
  3. In the opened window, select the Privacy & Security tab.

    The Browser Privacy page opens.

  4. In the Security settings group, in the Certificates section, click View Certificates.

    The Certificate Manager window opens.

  5. On the Authorities tab, click Import.

    The file selection window opens.

  6. Select the certificate file and click Open.

    The Downloading Certificate window opens.

  7. Select the Trust this CA to identify websites check box and click OK.

    The certificate will be displayed in the list of certificates in the Certificate Manager window.

  8. Click OK.

The certificate will be imported into the storage of the Mozilla Firefox browser.

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