protected void Application_EndRequest() { if (Request.Url.AbsolutePath.ToLower().EndsWith("/core/account/login") && Request.HttpMethod.ToLower() == "post" && Context.Response.Headers.AllKeys.Contains("Set-Cookie") && Context.Response.Headers["Set-Cookie"].Contains(".AspNet.ApplicationCookie") && Request.Form.AllKeys.Contains("UserName") && !string.IsNullOrEmpty(Request.Form["UserName"]) ) { DBEntities db = COREobject.i.Context; string userName = Request.Form["UserName"].ToLower(); User user = db.Users.Single(u => u.UserName.ToLower() == userName); string cookies = Context.Response.Headers["Set-Cookie"]; var m = Regex.Match(cookies, ".AspNet.ApplicationCookie=(?<AppCookie>.*?);"); string appCookie = m.Groups["AppCookie"].Value; user.LastIp = Request.UserHostAddress; user.LastAppCookie = appCookie; db.SaveChanges(); } Debug.WriteLine($"Request time: {DateTime.UtcNow - COREobject.i.RequestStart} - Url: {Request.RawUrl}"); COREobject.Destroy(); }