Allow only a single login session per user
问题 Essentially I am asking this question here, but I am using ASP Identity instead of the ASP.Net Membership provider, and with that, that answer is of no use to me. 回答1: Figured out how to do it. On login I call this: var key = user.UserName; var timeOut = new TimeSpan(0, 0, HttpContext.Current.Session.Timeout, 0, 0); HttpContext.Current.Cache.Insert(key, Session.SessionID, null, DateTime.MaxValue, timeOut, CacheItemPriority.NotRemovable, null); And this in the Global.asax if (Session["username