{
  "addr": ":6881",

  "tracker": {
    "driver": "memory"
  },

  "backend": {
    "driver": "noop"
  },

  "private_enabled": false,
  "freeleech_enabled": false,
  "purge_inactive_torrents": true,

  "announce": "30m",
  "min_announce": "15m",
  "request_timeout": "10s",
  "default_num_want": 50,

  "allow_ip_spoofing": true,
  "dual_stacked_peers": true,
  "real_ip_header": "",
  "preferred_subnet": false,
  "preferred_ipv4_subnet": 0,
  "preferred_ipv6_subnet": 0,

  "stats_buffer_size": 0,
  "include_mem_stats": true,
  "verbose_mem_stats": false,
  "mem_stats_interval": "5s",

  "client_whitelist_enabled": false,
  "client_whitelist": [
      "UT340-",
      "AZ2500",
      "exbc0J",
      "FUTB0L",
      "XBT054",
      "OP1011",
      "ML2.7.",
      "BOWA0C",
      "Q1-0-0",
      "Q1-10-",
      "346---",
      "QVOD00"
  ]
}