#private
def n3_access_log
      begin
      security = Auth::LoginSecurity.new(request)
      if security.via_n3_domain? && !security.private_ip_range?
        logger.info "[N3ACCESSNOTPRIVATE] #{request.headers}"
      end

    rescue => e
      logger.error e.message
      logger.error e.backtrace.join("\n")
    end
  end

 describe '#n3_access_log' do
    let(:security) { Auth::LoginSecurity.new(request) }

    subject { controller.send :n3_access_log }

    before { allow(security).to receive(:via_n3_domain?).and_return(true) }

    it '' do
      byebug
    end
  end