{
  "rendezvous_timeout_sec": null,
  "hole_punch_timeout_sec": null,
  "hole_punch_wait_for_other": null,
  "udp_rendezvous_port": 10011,
  "tcp_rendezvous_port": 15011,
  "remote_udp_rendezvous_servers": [],
  "remote_tcp_rendezvous_servers": [],
  "udp_hole_punchers": []
}