why I can't connect to my socket server remotely

I am writing a VB.Net socket server program that begines like in the code
the code work great for local connections (when I use localhost) and it does send the expected reply when i test with telnet

however when I try to connect from any remote computer it fails like this

C:\Documents and Settings\Eugene>telnet 11000
Connecting To not open connection to the host, on port 11000:
 Connect failed

dear EE can you explain whats wrong?

Dim lipa As IPHostEntry = Dns.GetHostEntry("")
        Dim lep As New IPEndPoint(lipa.AddressList(0), 11000)
        Dim s As New Socket(lep.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp)
            While True
                'Console.WriteLine("Waiting for a connection...")
                s.BeginAccept(New AsyncCallback(AddressOf Listen_Callback), s)
            End While
        Catch ex As Exception
        End Try

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Pétur Ingi EgilssonSoftware Engineer -- ConsultantCommented:
#Dim lipa As IPHostEntry = Dns.GetHostEntry("")
this line returns "localhost" and your server will be listening on localhost only.

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eugie17Author Commented:
how can I listen to any remote and local client?
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