private Peer createPeer(int port) throws IOException {
ChannelServerConfiguration csc = PeerBuilder.createDefaultChannelServerConfiguration();
csc.ports(new Ports(port, port));
csc.portsForwarding(new Ports(port, port));
csc.connectionTimeoutTCPMillis(10 * 1000);
csc.idleTCPSeconds(10);
csc.idleUDPSeconds(10);
return new PeerBuilder(new Number160(port)).ports(port).channelServerConfiguration(csc).start();
}