Socket

import java.io.*;
import java.net.*;

public class reg
{
public static void main(String[] args)
{
try {
Socket s = new Socket("www.yourserver.com", 80);

BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream()));
PrintWriter out = new PrintWriter(s.getOutputStream());

out.print("GET /yourname/cgi/reg.cgi?name=Steve&email=me@here\n\n");
out.flush();

String line;

while ((line = in.readLine()) != null){
System.out.println(line);
}

} catch (Exception e){}
}
}