Ethernet connection closes connection after some barcode scanner inputs

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7

it is normal that server closes an unused tcp connection. I didn't find in Arduino networking API a keep-alive setting for the socket. I simple reconnect if the connection to server is not connected.

  if (!client.connected()) {
    client.stop();
    client.connect(serverAdress, 502);
    if (!client.connected()) {
      client.stop();
      return CONNECT_ERROR;
    }
  }