how i can send from Client on WAN to Client In LAN

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hi everyone i need help in
how i can send string from Client on WAN to Client In LAN by .net
thanks for amy help

Posted 12-Sep-11 20:23pm

Mostafa Elsadany

Updated 12-Sep-11 20:24pm

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Prerak Patel 13-Sep-11 2:46am

More details please!

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Mehdi Gholam · Answer 1 · 2011-09-12T21:22:00

Solution 1

You need to create a tunnel to bridge your LAN firewall and open ports on the WAN interface.

Most routers have a "virtual server" configuration for this which will map a port to an internal LAN server and port number.

Sending and receiving you can do with the TcpClient class.

Posted 12-Sep-11 21:22pm

Mehdi Gholam

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Mostafa Elsadany 13-Sep-11 20:13pm

how in tcpclinet
TcpClient tcpclnt = new TcpClient("192.168.1.199", 8001);

NetworkStream mynetsream = tcpclnt.GetStream();
StreamWriter myswrite = new StreamWriter(mynetsream);
myswrite.WriteLine(TextBox1 .Text );
myswrite.Close();
mynetsream.Close();
tcpclnt.Close();
//System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();
//byte[] bt=encoding.GetBytes(TextBox1.Text.ToString ());
//EndPoint ourEP = new IPEndPoint(IPAddress.Any, 8001);
//tcpclnt.Client.SendTo(bt, ourEP);
tcpclnt.Close();
Response.Write(tcpclnt.Connected.ToString());
i can't add IP to internet

Mehdi Gholam 13-Sep-11 22:16pm

Change 192.168.1.199 to an Internet ip

Mostafa Elsadany 14-Sep-11 2:29am

any code plz

Mehdi Gholam 14-Sep-11 2:33am

Just change your IP address in the TcpClient(...)

Mostafa Elsadany 17-Sep-11 7:42am

i change to ip from whatismy.com but still problem