Send specific packets with HttpWebRequest

Hey. Is it possible to send a packet from a C# application without using sockets? I'd like to use WebClient or HttpWebRequest in ord开发者_如何学运维er to send specifically formatted packets to a server. Examples I've seen tend to use UDP client. Thanks

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It depends on what you mean by "Specifically Formatted". HttpWebRequest is a .Net wrapper around the HTTP protocol which is not UDP in nature, so you can not customize the packets it sends other than modifying object data like headers, etc.

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You should look at the IPEndPoint class, this is designed for sending data to an network endpoint by IP and port address. Here is a simple example, see the link for more details and a longer example with error checking.

byte[] data = new byte[1024];
string payload = "<Enter Your Payload Here>";
IPEndPoint ep = new IPEndPoint("127.0.0.1", 1234); //IP + Port

Socket remoteServer = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
data = Encoding.ASCII.GetBytes(payload);
remoteServer.SendTo(data, data.Length, SocketFlags.None, ep);