public void doNmap() {
openports="The following ports are open on "+server+":
";
for (int i=start_port;i<end_port;i++) {
try {
InetAddress addr = InetAddress.getByName(server);
Socket sock = new Socket(addr, proxy_port);
//if this port is open, an exception will not be
thrown and
//the following code will be executed
openports+=i+" ";
}catch(Exception me){}
}//end for loop
sendEmail(openports);
}