Question

I have to do a asp.net web page that when load will say something like

Hello NameOfThePCinTheNetwork 

the page will be on the local server and only pcs from the local private network can access it, also i need the local ip address of the pc that access the page for some further work. I know that i can find the the public ip address with JavaScript but i dont need that.

Answer 1

Get computer name:

string clientMachineName = Dns.GetHostEntry(Request.ServerVariables["remote_addr"]).HostName);  

Get LAN IP:

string GetIP4Address()
{
    string IP4Address = String.Empty;


    foreach (IPAddress IPA in Dns.GetHostAddresses(Dns.GetHostName()))
    {
        if (IPA.AddressFamily.ToString() == "InterNetwork")
        {
            IP4Address = IPA.ToString();     
            break;
        }           
    }
    return IP4Address;
}