zivpn/config.json

{
  "listen": ":5667",
  "cert": "zivpn.crt",
  "key": "zivpn.key",
  "obfs": "",
  "up_mbps": 100,
  "down_mbps": 250,
  "max_conn_client": 65535,
  "disable_mtu_discovery": true,
  "recv_window_conn": 1024576000,
  "recv_window_client": 262144000,
  "auth": {
   "mode": "passwords",
   "config": ["1"]
  }
}