How can I redirect users, who or not logged in to login page, in C# MVC 4.5 if they try to access other site pages via URL - asp.net-mvc-4

Question

I have one website, where I want users to be redirected to "Login" page if they are not signed in. The users may try to access the webpages by posting url. I want to do it in C# MVC 4.5
Here I dont want the action "[Authorize]" to be available unless signed in.
It is index action to view index page.
//Login Controller
[AllowAnonymous]
public ActionResult Index()
{
return View();
}
[HttpPost]
public ActionResult Index(FormCollection frm)
{
....//other code
}
[Authorize]
public ActionResult Index()
{
List<DTO> obj = objConfigurator.GetDataList();
return View(obj);
}
public ActionResult Edit(int Id)
{
DTO obj = objC.GetListById(Id);
return View(obj);
}

Answer 1

Use the [Authorize] attribute on your controller.
[Authorize]
public class YourController: Controller
{
. . .
[AllowAnonymous]
public ActionResult Register()
{
}
[AllowAnonymous]
public ActionResult LogIn()
{
}
. . .
}
Also, you have to add your login page in the web.config -
<system.web>
<authentication mode="Forms">
<forms loginUrl="~/Login" timeout="2880" />
</authentication>
</system.web>
You have another, even better option, to register AuthorizeAttribute as global filter in the global.asax file.
public static void RegisterGlobalFilters(GlobalFilterCollection filters)
{
....
filters.Add(new System.Web.Mvc.AuthorizeAttribute());
}
This way, you only have to apply the [AllowAnonymous] to actions tha you want to be visited by anonimous users.