How to set ValidateAntiForgeryToken Attribute globaly

How to set ValidateAntiForgeryToken Attribute globaly

public class AntiForgeryTokenFilterProvider : IFilterProvider
{
    public IEnumerable<Filter> GetFilters(ControllerContext controllerContext, ActionDescriptor actionDescriptor)
    {
        IEnumerable<FilterAttribute> filters = actionDescriptor.GetFilterAttributes(true);

        bool disableAntiForgery = filters.Any(f => f is DisableAntiForgeryCheckAttribute);

        string method = controllerContext.HttpContext.Request.HttpMethod;

        if (!disableAntiForgery
            && String.Equals(method, "POST", StringComparison.OrdinalIgnoreCase))
        {
            yield return new Filter(new ValidateAntiForgeryTokenAttribute(), FilterScope.Global, null);
        }
    }
}

[AttributeUsage(AttributeTargets.Method)]
public sealed class DisableAntiForgeryCheckAttribute : FilterAttribute
{
}

// Usage:
public class FilterConfig
{
    public static void RegisterGlobalFilters(GlobalFilterCollection filters)
    {
        //**//
        FilterProviders.Providers.Add(new AntiForgeryTokenFilterProvider());
        //**//
    }
}

// Html Helper method
public static class HtmlExtensions
{
    public static MvcForm BeginSecureForm(this HtmlHelper html, string action, string controller)
    {
        var form = html.BeginForm(action, controller);
        html.ViewContext.Writer.Write(html.AntiForgeryToken().ToHtmlString());

        return form;
    }
}