blob: dd23b95a035eef2092458a55a69cffc68ad6ef18 [file] [log] [blame]
# unbound templates/unbound.conf.j2 - {{ ansible_managed }}
{#
SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
SPDX-License-Identifier: Apache-2.0
#}
# general config
server:
port: 53
do-ip4: yes
do-ip6: no
do-udp: yes
do-tcp: yes
# logging
verbosity: 1
# RFC7816 query name minimization
qname-minimisation: yes
# access control
{% if unbound_allow_all %}
# allow queries from everywhere
access-control: 0.0.0.0/0 allow
{% else %}
# allow queries from localhost
access-control: 127.0.0.0/24 allow
{% if unbound_allow_zone_ips and dns_zones %}
# allow from networks defined in zones
{% for key, value in dns_zones.items() %}
access-control: {{ value.ip_range }} allow
{% endfor %}
{% endif %}
{% if unbound_allow_ips %}
# listen on specific IPs
{% for ip in unbound_allow_ips %}
interface: {{ ip }} allow
{% endfor %}
{% endif %}
{% endif %}
# listening interfaces
{% if unbound_listen_default %}
# listen on default IPv4 Address
interface: {{ ansible_default_ipv4.address }}
{% endif %}
{% if unbound_listen_zone_ips and dns_zones %}
{% for key, value in dns_zones.items() %}
{% set if_ip = value.ip_range | ipaddr('next_usable') | ipaddr('address') %}
{% if if_ip in ansible_all_ipv4_addresses %}
# listen on IPs defined by dns_zones: {{ key }}
interface: {{ if_ip }}
{% endif %}
{% endfor %}
{% endif %}
{% if unbound_listen_ips %}
# listen on specific IPs
{% for ip in unbound_listen_ips %}
interface: {{ ip | ipaddr('address') }}
{% endfor %}
{% endif %}
# allow unbound to query localhost, where authoritative DNS might be listening
do-not-query-localhost: no
# disable DNS-over-HTTP (DoH) as it breaks split horizon
# https://support.mozilla.org/en-US/kb/configuring-networks-disable-dns-over-https
# https://support.mozilla.org/en-US/kb/canary-domain-use-application-dnsnet
local-zone: "use-application-dns.net" always_nxdomain
{% if dns_zones %}
# allow reverse queries for RFC1918 addresses
{% for key, value in dns_zones.items() %}
local-zone: "{{ value.ip_range | unbound_revdns }}" nodefault
{% endfor %}
# stub-zones zones that authoritative DNS is serving
{% for key, value in dns_zones.items() %}
stub-zone:
name: "{{ key }}"
stub-addr: {{ unbound_authoritative_server_ip }}
stub-zone:
name: "{{ value.ip_range | unbound_revdns }}"
stub-addr: {{ unbound_authoritative_server_ip }}
{% endfor %}
{% endif %}
{% if unbound_forward_zones %}
{% for fz in unbound_forward_zones %}
forward-zone:
name: "{{ fz.name | default('.') }}"
{% for fza in fz.servers %}
forward-addr: {{ fza }}
{% endfor %}
{% endfor %}
{% endif %}