For use on blogpost http://normansolutions.co.uk/post/secure-a-webpage-without-a-logon

CreateCookie.cshtml

@{
    String cookieQueryString = Request.QueryString["cookieSetter"];

    switch (cookieQueryString)
    {
        @* QueryString "remove" - This deletes the cookie from the device *@
	case "remove":
            Response.Cookies["NSSecureMethodCookie"].Expires = DateTime.Now.AddYears(-30);
        break;
			
	@* QueryString "add" - This creates the cookie on the device *@
        case "add":
            HttpCookie aCookie = new HttpCookie("NSSecureMethodCookie");
            aCookie.HttpOnly = true;
            aCookie.Value = "Authorised";
            aCookie.Expires = DateTime.Now.AddYears(30);
            Response.Cookies.Add(aCookie);
            break;

    }
}

@* Visual feedback for cookie *@
@if (Request.Cookies["NSSecureMethodCookie"] != null)
{
    Response.Write("Cookie Found");
    Response.Write("<br/>");
    Response.Write(Request.Cookies["NSSecureMethodCookie"].Value);
    Response.Write("<br/>");
    Response.Write(Request.Cookies["NSSecureMethodCookie"].Expires);
    Response.Write("<br/>");

}