ansible-role-bind9/templates/etc/named/named.conf.options.j2
Markus Pesch d0db9e6944
Some checks reported errors
continuous-integration/drone/push Build was killed
fix: support port configuration of dns forwarder
2023-01-09 17:54:59 +01:00

237 lines
8.9 KiB
Django/Jinja
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#
# {{ ansible_managed }}
#
options {
# This specifies which hosts are allowed to ask ordinary DNS questions.
# allow-query may also be specified in the zone statement, in which case it
# overrides the options allow-query statement. If not specified, the default
# is to allow queries from all hosts.
# https://bind9.readthedocs.io/en/latest/reference.html#access-control
{% if bind9_options.allow_query is defined and bind9_options.allow_query | length > 0 %}
allow-query {
{% for entry in bind9_options.allow_query %}
{{ entry }};
{% endfor %}
};
{% else %}
# allow-query {};
{% endif %}
# This specifies which hosts are allowed to get answers from the cache. If
# allow-recursion is not set, BIND checks to see if the following parameters
# are set, in order: allow-query-cache and allow-query (unless recursion no;
# is set). If neither of those parameters is set, the default (localnets;
# localhost;) is used.
# https://bind9.readthedocs.io/en/latest/reference.html#access-control
{% if bind9_options.allow_query_on is defined and bind9_options.allow_query_on | length > 0 %}
allow-query-on {
{% for entry in bind9_options.allow_query_on %}
{{ entry }};
{% endfor %}
};
{% else %}
# allow-query-on {};
{% endif %}
# This specifies which hosts are allowed to get answers from the cache. If
# allow-recursion is not set, BIND checks to see if the following parameters
# are set, in order: allow-query-cache and allow-query (unless recursion no;
# is set). If neither of those parameters is set, the default (localnets;
# localhost;) is used.
# https://bind9.readthedocs.io/en/latest/reference.html#access-control
{% if bind9_options.allow_query_cache is defined and bind9_options.allow_query_cache | length > 0 %}
allow-query-cache {
{% for entry in bind9_options.allow_query_cache %}
{{ entry }};
{% endfor %}
};
{% else %}
# allow-query-cache {};
{% endif %}
# This specifies which local addresses can send answers from the cache. If
# allow-query-cache-on is not set, then allow-recursion-on is used if set.
# Otherwise, the default is to allow cache responses to be sent from any
# address. Note: both allow-query-cache and allow-query-cache-on must be
# satisfied before a cache response can be sent; a client that is blocked by
# one cannot be allowed by the other.
# https://bind9.readthedocs.io/en/latest/reference.html#access-control
{% if bind9_options.allow_query_cache_on is defined and bind9_options.allow_query_cache_on | length > 0 %}
allow-query-cache-on {
{% for entry in bind9_options.allow_query_cache_on %}
{{ entry }};
{% endfor %}
};
{% else %}
# allow-query-cache-on {};
{% endif %}
# This specifies which hosts are allowed to receive zone transfers from the
# server. allow-transfer may also be specified in the zone statement, in which
# case it overrides the allow-transfer statement set in options or view. If
# not specified, the default is to allow transfers to all hosts.
# The transport level limitations can also be specified. In particular, zone
# transfers can be restricted to a specific port and/or DNS transport protocol
# by using the options port and transport. Either option can be specified; if
# both are used, both constraints must be satisfied in order for the transfer
# to be allowed. Zone transfers are currently only possible via the TCP and
# TLS transports.
{% if bind9_options.allow_recursion is defined and bind9_options.allow_recursion | length > 0 %}
allow-recursion {
{% for entry in bind9_options.allow_recursion %}
{{ entry }};
{% endfor %}
};
{% else %}
# allow-recursion {};
{% endif %}
# allow-recursion-on defines the server interface(s) from which
# recursive queries are accepted and can be useful where a server is
# multi-homed, perhaps in conjunction with a view clause. Defaults to
# allow-recursion-on {any;}; meaning that recursive queries are
# accepted on any server interface.
#
# NOTE:
# - The statement is only relevant if recursion yes; is present or
# defaulted.
# - The statements may be used in a view or a global options clause.
{% if bind9_options.allow_recursion_on is defined and bind9_options.allow_recursion_on | length > 0 %}
allow-recursion-on {
{% for entry in bind9_options.allow_recursion_on %}
{{ entry }};
{% endfor %}
};
{% else %}
# allow-recursion-on {};
{% endif %}
# allow-transfer defines a match list e.g. IP address(es) that are
# allowed to transfer (copy) the zone information from the server
# (master or slave for the zone). The default behaviour is to allow
# zone transfers to any host. While on its face this may seem an
# excessively friendly default, DNS data is essentially public (that's
# why its there) and the bad guys can get all of it anyway. However if
# the thought of anyone being able to transfer your precious zone file
# is repugnant, or (and this is far more significant) you are
# concerned about possible DoS attack initiated by XFER requests, then
# use the following policy.
#
# NOTE:
# - This statement may be used in a zone, view or global options clause.
{% if bind9_options.allow_transfer is defined and bind9_options.allow_transfer | length > 0 %}
allow-transfer {
{% for entry in bind9_options.allow_transfer %}
{{ entry }};
{% endfor %}
};
{% else %}
# allow-transfer {};
{% endif %}
# When set in the zone statement for a primary zone, this specifies which
# hosts are allowed to submit Dynamic DNS updates to that zone. The default is
# to deny updates from all hosts.
# Note that allowing updates based on the requestors IP address is insecure;
# see Dynamic Update Security for details.
{% if bind9_options.allow_update is defined and bind9_options.allow_update | length > 0 %}
allow-update {
{% for entry in bind9_options.allow_update %}
{{ entry }};
{% endfor %}
};
{% else %}
# allow-update {};
{% endif %}
# When set in the zone statement for a secondary zone, this specifies which
# hosts are allowed to submit Dynamic DNS updates and have them be forwarded
# to the primary. The default is { none; }, which means that no update
# forwarding is performed.
# To enable update forwarding, specify allow-update-forwarding { any; }; in
# the zone statement. Specifying values other than { none; } or { any; } is
# usually counterproductive; the responsibility for update access control
# should rest with the primary server, not the secondary.
{% if bind9_options.allow_update_forwarding is defined and bind9_options.allow_update_forwarding | length > 0 %}
allow-update-forwarding {
{% for entry in bind9_options.allow_update_forwarding %}
{{ entry }};
{% endfor %}
};
{% else %}
# allow-update-forwarding {};
{% endif %}
directory "{{ bind_config_directory }}";
dnssec-validation {{ bind9_options.dnssec_validation | default('no') }};
# dump-file "/var/bind/named.dump";
{% if bind9_options.forwarders is defined and bind9_options.forwarders | length > 0 %}
forwarders {
{% for forwarder in bind9_options.forwarders %}
{% if forwarder.port is defined and forwarder.port | length > 0 %}
{{ forwarder.ip }} port {{ forwarder.port }};
{% else %}
{{ forwarder.ip }};
{% endif %}
{% endfor %}
};
{% else %}
# forwarders {};
{% endif %}
geoip-directory "/usr/share/GeoIP";
# This is the hostname the server should report via a query of the name
# hostname.bind with type TXT and class CHAOS. This defaults to the hostname
# of the machine hosting the name server, as found by the gethostname()
# function. The primary purpose of such queries is to identify which of a
# group of anycast servers is actually answering the queries. Specifying
# hostname none; disables processing of the queries.
# https://bind9.readthedocs.io/en/latest/reference.html?highlight=hostname#built-in-server-information-zones
hostname none;
{% if bind9_options.listen_on_ipv4 is defined and bind9_options.listen_on_ipv4 | length > 0 %}
listen-on port 53 {
{% for ip in bind9_options.listen_on_ipv4 %}
{{ ip }};
{% endfor %}
};
{% endif %}
{% if bind9_options.listen_on_ipv6 is defined and bind9_options.listen_on_ipv6 | length > 0 %}
listen-on-v6 port 53 {
{% for ip in bind9_options.listen_on_ipv6 %}
{{ ip }};
{% endfor %}
};
{% endif %}
# managed-keys-directory "/var/named/dynamic";
# memstatistics-file "/var/bind/named.memstats";
minimal-responses {{ bind9_options.minimal_responses }};
notify {{ bind9_options.notify }};
pid-file "/run/named/named.pid";
recursion {{ bind9_options.recursion }};
# statistics-file "/var/bind/named.stats";
transfer-format {{ bind9_options.transfer_format }};
# This is the version the server should report via a query of the name
# version.bind with type TXT and class CHAOS. The default is the real version
# number of this server. Specifying version none disables processing of the
# queries.
# https://bind9.readthedocs.io/en/latest/reference.html?highlight=hostname#built-in-server-information-zones
version none;
zone-statistics yes;
};