{
  "dhcp": {
    "enabled": true,
    "interface": "eth0",
    "network": "192.168.1.0",
    "netmask": "255.255.255.0",
    "gateway": "192.168.1.1",
    "dns_servers": ["192.168.1.1", "114.114.114.114", "8.8.8.8"],
    "ntp_servers": ["ntp.aliyun.com"],
    "broadcast_address": "192.168.1.255",
    "lease_time": 86400,
    "ip_pool_start": "192.168.1.100",
    "ip_pool_end": "192.168.1.200",
    "domain_name": "local",
    "excluded_ips": ["192.168.1.1", "192.168.1.2", "192.168.1.3"]
  },
  "dns": {
    "enabled": true,
    "listen_addr": "0.0.0.0",
    "listen_port": 53,
    "upstream": ["8.8.8.8", "1.1.1.1", "114.114.114.114"],
    "cache_size": 1000,
    "cache_ttl": 300,
    "recursion": true,
    "allow_query": ["any"],
    "dnssec_validation": false
  },
  "web": {
    "host": "0.0.0.0",
    "port": 8080,
    "session_key": "change-this-to-a-random-secret-key",
    "enable_https": false,
    "https_cert": "",
    "https_key": ""
  },
  "database": {
    "path": "data/dhcp-dns.db"
  }
}