<caching>
      <outputCacheSettings>
        <outputCacheProfiles>
          <add name ="Long" duration="300"/>
          <add name ="Short" duration="3"/>
        </outputCacheProfiles>
      </outputCacheSettings>
    </caching>

protected override bool AuthorizeCore(HttpContextBase httpContext)
        {


            User currentUser = (User)httpContext.Session["CurrentUser"];

            if (currentUser == null)
            {
                return false;
            }

            if (currentUser.Role == RolesEnum.User && _role == RolesEnum.Admin)
            {
                return false;
            }

            return true;
        }

[HttpPost]
        public ActionResult Login(string username, string password)
        {


            User login = db.Users.Where(p => p.Username == username && p.Password == password).FirstOrDefault();


            if (login == null)
            {
                return View();
            }

            Session.Add("CurrentUser", login);
            return RedirectToAction("Index", "Projects", null);

        }

[CustomAuthorize]
    [OutputCache(CacheProfile = "Long")]
    public ActionResult Index(string currentFilter, string searchTerm, int? page, string searchContainingText)