Arduino socket server forwarding all data received on Serial port to all connected clients

arduino-socket-server.ino

#include <SPI.h>
#include <Ethernet.h>

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(192,168,2, 177);
IPAddress gateway(192,168, 2, 100);
IPAddress subnet(255, 255, 255, 0);

EthernetServer server(23);

void setup() {
  Ethernet.begin(mac, ip, gateway, subnet);
  server.begin();
  Serial.begin(9600);

  Serial.print("Server address:");
  Serial.println(Ethernet.localIP());
}

void loop() {
  while (Serial.available()>0) {
    char ch = Serial.read();
    server.write(ch); 
    Serial.write(ch);
  }
}