mailcow/data/conf/unbound/unbound.conf

server:
  verbosity: 1
  interface: 0.0.0.0
  interface: ::0
  logfile: /dev/console
  do-ip4: yes
  do-ip6: yes
  do-udp: yes
  do-tcp: yes
  do-daemonize: no
  #access-control: 0.0.0.0/0 allow
  access-control: 10.0.0.0/8 allow
  access-control: 172.16.0.0/12 allow
  access-control: 192.168.0.0/16 allow
  access-control: fc00::/7 allow
  access-control: fe80::/10 allow
  #access-control: ::0/0 allow
  directory: "/etc/unbound"
  username: unbound
  auto-trust-anchor-file: trusted-key.key
  #private-address: 10.0.0.0/8
  #private-address: 172.16.0.0/12
  #private-address: 192.168.0.0/16
  #private-address: 169.254.0.0/16
  #private-address: fc00::/7
  #private-address: fe80::/10
  # cache-min-ttl needs to be less or equal to cache-max-negative-ttl
  cache-min-ttl: 5
  cache-max-negative-ttl: 60
  root-hints: "/etc/unbound/root.hints"
  hide-identity: yes
  hide-version: yes
  max-udp-size: 4096
  msg-buffer-size: 65552
  unwanted-reply-threshold: 10000
  ipsecmod-enabled: no

remote-control:
  control-enable: yes
  control-interface: 127.0.0.1
  control-port: 8953
  server-key-file: "/etc/unbound/unbound_server.key"
  server-cert-file: "/etc/unbound/unbound_server.pem"
  control-key-file: "/etc/unbound/unbound_control.key"
  control-cert-file: "/etc/unbound/unbound_control.pem"