Get the username of the user accessing ASP.NET intranet page within local network

Question

We have an ASP.NET intranet site, available to users who are either physically at and logged into a local machine or else to users who connect remotely via VPN. Is there a

Answer 1

If the authentication is windows, this should help:

IIdentity WinId= HttpContext.Current.User.Identity;
WindowsIdentity wi = (WindowsIdentity)WinId;