def override_reconnaissance_scan(api, configuration, api_version, api_exception, computer_id):
    """ Overrides a computer to enable Firewall reconnaissance scan.

    :param api: The Deep Security API modules.
    :param configuration: Configuration object to pass to the api client.
    :param api_version: The version of the API to use.
    :param api_exception: The Deep Security API exception module.
    :param computer_id: The ID of the computer to override.
    :return: A Computer object that contains only overrides.
    """

    # Set the value for firewall_setting_reconnaissance_enabled
    setting_value = api.SettingValue()
    setting_value.value = "true"

    # Apply the override to the computer
    computers_api = api.ComputersApi(api.ApiClient(configuration))

    return computers_api.modify_computer_setting(computer_id, api.ComputerSettings.firewall_setting_reconnaissance_enabled, setting_value, api_version, overrides=True)