[NopHttpsRequirement(SslRequirement.Yes)]
        public ActionResult Login(bool? checkoutAsGuest)
        {
            var model = new LoginModel();
            model.UsernamesEnabled = _customerSettings.UsernamesEnabled;
            model.CheckoutAsGuest = checkoutAsGuest.HasValue ? checkoutAsGuest.Value : false;
            model.DisplayCaptcha = _captchaSettings.Enabled && _captchaSettings.ShowOnLoginPage;
            return View(model);
        }

<authentication mode="Forms">
  <forms name="NOPCOMMERCE.AUTH" loginUrl="~/login" protection="All" timeout="43200" path="/" requireSSL="false" slidingExpiration="true" />
</authentication>