90 lines
2.7 KiB
Text
90 lines
2.7 KiB
Text
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server:
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verbosity: 1
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use-syslog: yes
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logfile: "/var/log/unbound.log"
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log-time-ascii: yes
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# IP addresses on which to listen.
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interface: 10.{{ subnet_ids.ap }}.0.{{ dns_host_suffix }}
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interface: 10.{{ subnet_ids.users_wired }}.0.{{ dns_host_suffix }}
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interface: 10.{{ subnet_ids.users_wifi }}.0.{{ dns_host_suffix }}
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# By default, anything other than localhost is refused.
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# Whitelist some subnets:
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access-control: 10.{{ subnet_ids.ap }}.0.0/16 allow
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access-control: 10.{{ subnet_ids.users_wired }}.0.0/16 allow
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access-control: 10.{{ subnet_ids.users_wifi }}.0.0/16 allow
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do-ip4: yes
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# FIXME: IPv6 deployment... someday...
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do-ip6: no
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do-udp: yes
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do-tcp: yes
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num-threads: {{ ansible_processor_vcpus }}
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# power of 2 close to num-threads
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# TODO: compute this dynamically w/ Ansible
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msg-cache-slabs: 16
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rrset-cache-slabs: 16
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infra-cache-slabs: 16
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key-cache-slabs: 16
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# Read the root hints from this file
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# FIXME: missing file.
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# root-hints: "/var/lib/unbound/root.hints"
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harden-referral-path: yes
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use-caps-for-id: yes
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hide-identity: yes
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hide-version: yes
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harden-glue: yes
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harden-dnssec-stripped: yes
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# the time to live (TTL) value lower bound, in seconds. Default 0.
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# If more than an hour could easily give trouble due to stale data.
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# WARNING : against protocol rule but efficient against stupidly too low TTLs
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cache-min-ttl: 3600
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# the time to live (TTL) value cap for RRsets and messages in the
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# cache. Items are not cached for longer. In seconds.
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cache-max-ttl: 86400
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prefetch: yes
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# If nonzero, unwanted replies are not only reported in statistics, but also
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# a running total is kept per thread. If it reaches the threshold, a warning
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# is printed and a defensive action is taken, the cache is cleared to flush
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# potential poison out of it. A suggested value is 10000000, the default is
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# 0 (turned off). We think 10K is a good value.
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unwanted-reply-threshold: 10000
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# Should additional section of secure message also be kept clean of unsecure
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# data. Useful to shield the users of this validator from potential bogus
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# data in the additional section. All unsigned data in the additional section
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# is removed from secure messages.
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val-clean-additional: yes
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# Log validation failures
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val-log-level: 2
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private-address: 10.0.0.0/8
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# Optimise
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# https://unbound.net/documentation/howto_optimise.html
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# Faster UDP with multithreading (only on Linux).
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so-reuseport: yes
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# Taille du cache
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rrset-cache-size: 100m
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msg-cache-size: 50m
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# gestion DNSSEC
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harden-below-nxdomain: yes
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harden-dnssec-stripped: yes
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