1262 lines
48 KiB
Plaintext
1262 lines
48 KiB
Plaintext
#
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# Example configuration file.
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#
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# See unbound.conf(5) man page
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#
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# this is a comment.
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# Use this anywhere in the file to include other text into this file.
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#include: "otherfile.conf"
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# Use this anywhere in the file to include other text, that explicitly starts a
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# clause, into this file. Text after this directive needs to start a clause.
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#include-toplevel: "otherfile.conf"
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# The server clause sets the main parameters.
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server:
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# whitespace is not necessary, but looks cleaner.
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# verbosity number, 0 is least verbose. 1 is default.
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verbosity: 1
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# print statistics to the log (for every thread) every N seconds.
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# Set to "" or 0 to disable. Default is disabled.
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# Needs to be disabled for munin plugin
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statistics-interval: 0
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# enable shm for stats, default no. if you enable also enable
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# statistics-interval, every time it also writes stats to the
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# shared memory segment keyed with shm-key.
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# shm-enable: no
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# shm for stats uses this key, and key+1 for the shared mem segment.
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# shm-key: 11777
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# enable cumulative statistics, without clearing them after printing.
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# Needs to be disabled for munin plugin
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statistics-cumulative: no
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# enable extended statistics (query types, answer codes, status)
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# printed from unbound-control. default off, because of speed.
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# Needs to be enabled for munin plugin
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extended-statistics: yes
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# number of threads to create. 1 disables threading.
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num-threads: 4
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# specify the interfaces to answer queries from by ip-address.
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# The default is to listen to localhost (127.0.0.1 and ::1).
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# specify 0.0.0.0 and ::0 to bind to all available interfaces.
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# specify every interface[@port] on a new 'interface:' labelled line.
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# The listen interfaces are not changed on reload, only on restart.
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# interface: 0.0.0.0
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# interface: ::0
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# interface: 192.0.2.153
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# interface: 192.0.2.154
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# interface: 192.0.2.154@5003
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# interface: 2001:DB8::5
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#
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# for dns over tls and raw dns over port 80
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# interface: 0.0.0.0@443
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# interface: ::0@443
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# interface: 0.0.0.0@80
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# interface: ::0@80
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# enable this feature to copy the source address of queries to reply.
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# Socket options are not supported on all platforms. experimental.
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# interface-automatic: yes
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#
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# NOTE: Enable this option when specifying interface 0.0.0.0 or ::0
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# NOTE: Disabled per Fedora policy not to listen to * on default install
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# NOTE: If deploying on non-default port, eg 80/443, this needs to be disabled
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interface-automatic: no
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# port to answer queries from
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# port: 53
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# specify the interfaces to send outgoing queries to authoritative
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# server from by ip-address. If none, the default (all) interface
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# is used. Specify every interface on a 'outgoing-interface:' line.
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# outgoing-interface: 192.0.2.153
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# outgoing-interface: 2001:DB8::5
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# outgoing-interface: 2001:DB8::6
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# Specify a netblock to use remainder 64 bits as random bits for
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# upstream queries. Uses freebind option (Linux).
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# outgoing-interface: 2001:DB8::/64
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# Also (Linux:) ip -6 addr add 2001:db8::/64 dev lo
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# And: ip -6 route add local 2001:db8::/64 dev lo
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# And set prefer-ip6: yes to use the ip6 randomness from a netblock.
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# Set this to yes to prefer ipv6 upstream servers over ipv4.
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# prefer-ip6: no
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# Prefer ipv4 upstream servers, even if ipv6 is available.
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# prefer-ip4: no
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# number of ports to allocate per thread, determines the size of the
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# port range that can be open simultaneously. About double the
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# num-queries-per-thread, or, use as many as the OS will allow you.
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# outgoing-range: 4096
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# permit Unbound to use this port number or port range for
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# making outgoing queries, using an outgoing interface.
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# Only ephemeral ports are allowed by SElinux
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outgoing-port-permit: 32768-60999
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# deny Unbound the use this of port number or port range for
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# making outgoing queries, using an outgoing interface.
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# Use this to make sure Unbound does not grab a UDP port that some
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# other server on this computer needs. The default is to avoid
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# IANA-assigned port numbers.
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# If multiple outgoing-port-permit and outgoing-port-avoid options
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# are present, they are processed in order.
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# Our SElinux policy does not allow non-ephemeral ports to be used
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outgoing-port-avoid: 0-32767
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outgoing-port-avoid: 61000-65535
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# number of outgoing simultaneous tcp buffers to hold per thread.
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# outgoing-num-tcp: 10
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# number of incoming simultaneous tcp buffers to hold per thread.
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# incoming-num-tcp: 10
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# buffer size for UDP port 53 incoming (SO_RCVBUF socket option).
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# 0 is system default. Use 4m to catch query spikes for busy servers.
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# so-rcvbuf: 0
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# buffer size for UDP port 53 outgoing (SO_SNDBUF socket option).
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# 0 is system default. Use 4m to handle spikes on very busy servers.
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# so-sndbuf: 0
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# use SO_REUSEPORT to distribute queries over threads.
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# at extreme load it could be better to turn it off to distribute even.
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so-reuseport: yes
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# use IP_TRANSPARENT so the interface: addresses can be non-local
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# and you can config non-existing IPs that are going to work later on
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# (uses IP_BINDANY on FreeBSD).
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ip-transparent: yes
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# use IP_FREEBIND so the interface: addresses can be non-local
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# and you can bind to nonexisting IPs and interfaces that are down.
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# Linux only. On Linux you also have ip-transparent that is similar.
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# ip-freebind: no
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# the value of the Differentiated Services Codepoint (DSCP)
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# in the differentiated services field (DS) of the outgoing
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# IP packets
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# ip-dscp: 0
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# EDNS reassembly buffer to advertise to UDP peers (the actual buffer
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# is set with msg-buffer-size). 1472 can solve fragmentation (timeouts)
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# edns-buffer-size: 1232
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# Maximum UDP response size (not applied to TCP response).
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# Suggested values are 512 to 4096. Default is 4096. 65536 disables it.
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# 3072 causes +dnssec any isc.org queries to need TC=1.
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# Helps mitigating DDOS
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max-udp-size: 3072
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# max memory to use for stream(tcp and tls) waiting result buffers.
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# stream-wait-size: 4m
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# buffer size for handling DNS data. No messages larger than this
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# size can be sent or received, by UDP or TCP. In bytes.
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# msg-buffer-size: 65552
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# the amount of memory to use for the message cache.
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# plain value in bytes or you can append k, m or G. default is "4Mb".
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# msg-cache-size: 4m
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# the number of slabs to use for the message cache.
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# the number of slabs must be a power of 2.
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# more slabs reduce lock contention, but fragment memory usage.
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# msg-cache-slabs: 4
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# the number of queries that a thread gets to service.
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# num-queries-per-thread: 1024
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# if very busy, 50% queries run to completion, 50% get timeout in msec
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# jostle-timeout: 200
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# msec to wait before close of port on timeout UDP. 0 disables.
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# delay-close: 0
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# perform connect for UDP sockets to mitigate ICMP side channel.
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# udp-connect: yes
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# The number of retries, per upstream nameserver in a delegation, when
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# a throwaway response (also timeouts) is received.
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# outbound-msg-retry: 5
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# msec for waiting for an unknown server to reply. Increase if you
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# are behind a slow satellite link, to eg. 1128.
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# unknown-server-time-limit: 376
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# the amount of memory to use for the RRset cache.
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# plain value in bytes or you can append k, m or G. default is "4Mb".
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# rrset-cache-size: 4m
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# the number of slabs to use for the RRset cache.
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# the number of slabs must be a power of 2.
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# more slabs reduce lock contention, but fragment memory usage.
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# rrset-cache-slabs: 4
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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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# cache-min-ttl: 0
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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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# the time to live (TTL) value cap for negative responses in the cache
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# cache-max-negative-ttl: 3600
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# the time to live (TTL) value for cached roundtrip times, lameness and
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# EDNS version information for hosts. In seconds.
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# infra-host-ttl: 900
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# minimum wait time for responses, increase if uplink is long. In msec.
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# infra-cache-min-rtt: 50
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# maximum wait time for responses. In msec.
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# infra-cache-max-rtt: 120000
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# enable to make server probe down hosts more frequently.
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# infra-keep-probing: no
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# the number of slabs to use for the Infrastructure cache.
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# the number of slabs must be a power of 2.
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# more slabs reduce lock contention, but fragment memory usage.
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# infra-cache-slabs: 4
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# the maximum number of hosts that are cached (roundtrip, EDNS, lame).
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# infra-cache-numhosts: 10000
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# define a number of tags here, use with local-zone, access-control.
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# repeat the define-tag statement to add additional tags.
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# define-tag: "tag1 tag2 tag3"
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# Enable IPv4, "yes" or "no".
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# do-ip4: yes
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# Enable IPv6, "yes" or "no".
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# do-ip6: yes
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# Enable UDP, "yes" or "no".
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# NOTE: if setting up an Unbound on tls443 for public use, you might want to
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# disable UDP to avoid being used in DNS amplification attacks.
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# do-udp: yes
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# Enable TCP, "yes" or "no".
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# do-tcp: yes
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# upstream connections use TCP only (and no UDP), "yes" or "no"
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# useful for tunneling scenarios, default no.
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# tcp-upstream: no
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# upstream connections also use UDP (even if do-udp is no).
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# useful if if you want UDP upstream, but don't provide UDP downstream.
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# udp-upstream-without-downstream: no
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# Maximum segment size (MSS) of TCP socket on which the server
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# responds to queries. Default is 0, system default MSS.
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# tcp-mss: 0
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# Maximum segment size (MSS) of TCP socket for outgoing queries.
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# Default is 0, system default MSS.
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# outgoing-tcp-mss: 0
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# Idle TCP timeout, connection closed in milliseconds
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# tcp-idle-timeout: 30000
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# Enable EDNS TCP keepalive option.
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edns-tcp-keepalive: yes
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# Timeout for EDNS TCP keepalive, in msec.
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# edns-tcp-keepalive-timeout: 120000
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# Fedora note: do not activate this - can cause a crash
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# Use systemd socket activation for UDP, TCP, and control sockets.
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# use-systemd: no
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# Detach from the terminal, run in background, "yes" or "no".
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# Set the value to "no" when Unbound runs as systemd service.
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# do-daemonize: yes
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# control which clients are allowed to make (recursive) queries
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# to this server. Specify classless netblocks with /size and action.
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# By default everything is refused, except for localhost.
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# Choose deny (drop message), refuse (polite error reply),
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# allow (recursive ok), allow_setrd (recursive ok, rd bit is forced on),
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# allow_snoop (recursive and nonrecursive ok)
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# deny_non_local (drop queries unless can be answered from local-data)
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# refuse_non_local (like deny_non_local but polite error reply).
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# access-control: 0.0.0.0/0 refuse
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# access-control: 127.0.0.0/8 allow
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# access-control: ::0/0 refuse
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# access-control: ::1 allow
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# access-control: ::ffff:127.0.0.1 allow
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# tag access-control with list of tags (in "" with spaces between)
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# Clients using this access control element use localzones that
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# are tagged with one of these tags.
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# access-control-tag: 192.0.2.0/24 "tag2 tag3"
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# set action for particular tag for given access control element
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# if you have multiple tag values, the tag used to lookup the action
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# is the first tag match between access-control-tag and local-zone-tag
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# where "first" comes from the order of the define-tag values.
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# access-control-tag-action: 192.0.2.0/24 tag3 refuse
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# set redirect data for particular tag for access control element
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# access-control-tag-data: 192.0.2.0/24 tag2 "A 127.0.0.1"
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# Set view for access control element
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# access-control-view: 192.0.2.0/24 viewname
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# if given, a chroot(2) is done to the given directory.
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# i.e. you can chroot to the working directory, for example,
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# for extra security, but make sure all files are in that directory.
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#
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# If chroot is enabled, you should pass the configfile (from the
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# commandline) as a full path from the original root. After the
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# chroot has been performed the now defunct portion of the config
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# file path is removed to be able to reread the config after a reload.
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#
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# All other file paths (working dir, logfile, roothints, and
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# key files) can be specified in several ways:
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# o as an absolute path relative to the new root.
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# o as a relative path to the working directory.
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# o as an absolute path relative to the original root.
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# In the last case the path is adjusted to remove the unused portion.
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#
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# The pid file can be absolute and outside of the chroot, it is
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# written just prior to performing the chroot and dropping permissions.
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#
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# Additionally, Unbound may need to access /dev/urandom (for entropy).
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# How to do this is specific to your OS.
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#
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# If you give "" no chroot is performed. The path must not end in a /.
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# chroot: "/var/lib/unbound"
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chroot: ""
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# if given, user privileges are dropped (after binding port),
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# and the given username is assumed. Default is user "unbound".
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# If you give "" no privileges are dropped.
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username: "unbound"
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# the working directory. The relative files in this config are
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# relative to this directory. If you give "" the working directory
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# is not changed.
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# If you give a server: directory: dir before include: file statements
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# then those includes can be relative to the working directory.
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directory: "/etc/unbound"
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# the log file, "" means log to stderr.
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# Use of this option sets use-syslog to "no".
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# logfile: ""
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# Log to syslog(3) if yes. The log facility LOG_DAEMON is used to
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# log to. If yes, it overrides the logfile.
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# use-syslog: yes
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# Log identity to report. if empty, defaults to the name of argv[0]
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# (usually "unbound").
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# log-identity: ""
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# print UTC timestamp in ascii to logfile, default is epoch in seconds.
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log-time-ascii: yes
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# print one line with time, IP, name, type, class for every query.
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# log-queries: no
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# print one line per reply, with time, IP, name, type, class, rcode,
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# timetoresolve, fromcache and responsesize.
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# log-replies: no
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# log with tag 'query' and 'reply' instead of 'info' for
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# filtering log-queries and log-replies from the log.
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# log-tag-queryreply: no
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# log the local-zone actions, like local-zone type inform is enabled
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# also for the other local zone types.
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# log-local-actions: no
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# print log lines that say why queries return SERVFAIL to clients.
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# log-servfail: no
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# the pid file. Can be an absolute path outside of chroot/work dir.
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pidfile: "/var/run/unbound/unbound.pid"
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# file to read root hints from.
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# get one from https://www.internic.net/domain/named.cache
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# root-hints: ""
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# enable to not answer id.server and hostname.bind queries.
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# hide-identity: no
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# enable to not answer version.server and version.bind queries.
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# hide-version: no
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# enable to not answer trustanchor.unbound queries.
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# hide-trustanchor: no
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# enable to not set the User-Agent HTTP header.
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# hide-http-user-agent: no
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# the identity to report. Leave "" or default to return hostname.
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# identity: ""
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# the version to report. Leave "" or default to return package version.
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# version: ""
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# NSID identity (hex string, or "ascii_somestring"). default disabled.
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# nsid: "aabbccdd"
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# User-Agent HTTP header to use. Leave "" or default to use package name
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# and version.
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# http-user-agent: ""
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# the target fetch policy.
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# series of integers describing the policy per dependency depth.
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# The number of values in the list determines the maximum dependency
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# depth the recursor will pursue before giving up. Each integer means:
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# -1 : fetch all targets opportunistically,
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# 0: fetch on demand,
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# positive value: fetch that many targets opportunistically.
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# Enclose the list of numbers between quotes ("").
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# target-fetch-policy: "3 2 1 0 0"
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# Harden against very small EDNS buffer sizes.
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# harden-short-bufsize: yes
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# Harden against unseemly large queries.
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# harden-large-queries: no
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# Harden against out of zone rrsets, to avoid spoofing attempts.
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harden-glue: yes
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# Harden against receiving dnssec-stripped data. If you turn it
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# off, failing to validate dnskey data for a trustanchor will
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# trigger insecure mode for that zone (like without a trustanchor).
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# Default on, which insists on dnssec data for trust-anchored zones.
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harden-dnssec-stripped: yes
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# Harden against queries that fall under dnssec-signed nxdomain names.
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harden-below-nxdomain: yes
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# Harden the referral path by performing additional queries for
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# infrastructure data. Validates the replies (if possible).
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# Default off, because the lookups burden the server. Experimental
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# implementation of draft-wijngaards-dnsext-resolver-side-mitigation.
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harden-referral-path: yes
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# Harden against algorithm downgrade when multiple algorithms are
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# advertised in the DS record. If no, allows the weakest algorithm
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# to validate the zone.
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# harden-algo-downgrade: no
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# Sent minimum amount of information to upstream servers to enhance
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# privacy. Only sent minimum required labels of the QNAME and set QTYPE
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# to A when possible.
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qname-minimisation: yes
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# QNAME minimisation in strict mode. Do not fall-back to sending full
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# QNAME to potentially broken nameservers. A lot of domains will not be
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# resolvable when this option in enabled.
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# This option only has effect when qname-minimisation is enabled.
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# qname-minimisation-strict: no
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# Aggressive NSEC uses the DNSSEC NSEC chain to synthesize NXDOMAIN
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# and other denials, using information from previous NXDOMAINs answers.
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aggressive-nsec: yes
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# Use 0x20-encoded random bits in the query to foil spoof attempts.
|
|
# This feature is an experimental implementation of draft dns-0x20.
|
|
# use-caps-for-id: no
|
|
|
|
# Domains (and domains in them) without support for dns-0x20 and
|
|
# the fallback fails because they keep sending different answers.
|
|
# caps-exempt: "licdn.com"
|
|
# caps-exempt: "senderbase.org"
|
|
|
|
# Enforce privacy of these addresses. Strips them away from answers.
|
|
# It may cause DNSSEC validation to additionally mark it as bogus.
|
|
# Protects against 'DNS Rebinding' (uses browser as network proxy).
|
|
# Only 'private-domain' and 'local-data' names are allowed to have
|
|
# these private addresses. No default.
|
|
# 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: fd00::/8
|
|
# private-address: fe80::/10
|
|
# private-address: ::ffff:0:0/96
|
|
|
|
# Allow the domain (and its subdomains) to contain private addresses.
|
|
# local-data statements are allowed to contain private addresses too.
|
|
# private-domain: "example.com"
|
|
|
|
# If nonzero, unwanted replies are not only reported in statistics,
|
|
# but also a running total is kept per thread. If it reaches the
|
|
# threshold, a warning is printed and a defensive action is taken,
|
|
# the cache is cleared to flush potential poison out of it.
|
|
# A suggested value is 10000000, the default is 0 (turned off).
|
|
unwanted-reply-threshold: 10000000
|
|
|
|
# Do not query the following addresses. No DNS queries are sent there.
|
|
# List one address per entry. List classless netblocks with /size,
|
|
# do-not-query-address: 127.0.0.1/8
|
|
# do-not-query-address: ::1
|
|
|
|
# if yes, the above default do-not-query-address entries are present.
|
|
# if no, localhost can be queried (for testing and debugging).
|
|
# do-not-query-localhost: yes
|
|
|
|
# if yes, perform prefetching of almost expired message cache entries.
|
|
prefetch: yes
|
|
|
|
# if yes, perform key lookups adjacent to normal lookups.
|
|
prefetch-key: yes
|
|
|
|
# deny queries of type ANY with an empty response.
|
|
deny-any: yes
|
|
|
|
# if yes, Unbound rotates RRSet order in response.
|
|
rrset-roundrobin: yes
|
|
|
|
# if yes, Unbound doesn't insert authority/additional sections
|
|
# into response messages when those sections are not required.
|
|
minimal-responses: yes
|
|
|
|
# true to disable DNSSEC lameness check in iterator.
|
|
# disable-dnssec-lame-check: no
|
|
|
|
# module configuration of the server. A string with identifiers
|
|
# separated by spaces. Syntax: "[dns64] [validator] iterator"
|
|
# most modules have to be listed at the beginning of the line,
|
|
# except cachedb(just before iterator), and python (at the beginning,
|
|
# or, just before the iterator).
|
|
module-config: "ipsecmod validator iterator"
|
|
|
|
# File with trusted keys, kept uptodate using RFC5011 probes,
|
|
# initial file like trust-anchor-file, then it stores metadata.
|
|
# Use several entries, one per domain name, to track multiple zones.
|
|
#
|
|
# If you want to perform DNSSEC validation, run unbound-anchor before
|
|
# you start Unbound (i.e. in the system boot scripts). And enable:
|
|
# Please note usage of unbound-anchor root anchor is at your own risk
|
|
# and under the terms of our LICENSE (see that file in the source).
|
|
# auto-trust-anchor-file: "/var/lib/unbound/root.key"
|
|
|
|
# trust anchor signaling sends a RFC8145 key tag query after priming.
|
|
trust-anchor-signaling: yes
|
|
|
|
# Root key trust anchor sentinel (draft-ietf-dnsop-kskroll-sentinel)
|
|
root-key-sentinel: yes
|
|
|
|
# File with trusted keys for validation. Specify more than one file
|
|
# with several entries, one file per entry.
|
|
# Zone file format, with DS and DNSKEY entries.
|
|
# Note this gets out of date, use auto-trust-anchor-file please.
|
|
# trust-anchor-file: ""
|
|
|
|
# Trusted key for validation. DS or DNSKEY. specify the RR on a
|
|
# single line, surrounded by "". TTL is ignored. class is IN default.
|
|
# Note this gets out of date, use auto-trust-anchor-file please.
|
|
# (These examples are from August 2007 and may not be valid anymore).
|
|
# trust-anchor: "nlnetlabs.nl. DNSKEY 257 3 5 AQPzzTWMz8qSWIQlfRnPckx2BiVmkVN6LPupO3mbz7FhLSnm26n6iG9N Lby97Ji453aWZY3M5/xJBSOS2vWtco2t8C0+xeO1bc/d6ZTy32DHchpW 6rDH1vp86Ll+ha0tmwyy9QP7y2bVw5zSbFCrefk8qCUBgfHm9bHzMG1U BYtEIQ=="
|
|
# trust-anchor: "jelte.nlnetlabs.nl. DS 42860 5 1 14D739EB566D2B1A5E216A0BA4D17FA9B038BE4A"
|
|
|
|
# File with trusted keys for validation. Specify more than one file
|
|
# with several entries, one file per entry. Like trust-anchor-file
|
|
# but has a different file format. Format is BIND-9 style format,
|
|
# the trusted-keys { name flag proto algo "key"; }; clauses are read.
|
|
# you need external update procedures to track changes in keys.
|
|
# trusted-keys-file: ""
|
|
#
|
|
trusted-keys-file: /etc/unbound/keys.d/*.key
|
|
auto-trust-anchor-file: "/var/lib/unbound/root.key"
|
|
|
|
# Ignore chain of trust. Domain is treated as insecure.
|
|
# domain-insecure: "example.com"
|
|
|
|
# Override the date for validation with a specific fixed date.
|
|
# Do not set this unless you are debugging signature inception
|
|
# and expiration. "" or "0" turns the feature off. -1 ignores date.
|
|
# val-override-date: ""
|
|
|
|
# The time to live for bogus data, rrsets and messages. This avoids
|
|
# some of the revalidation, until the time interval expires. in secs.
|
|
# val-bogus-ttl: 60
|
|
|
|
# The signature inception and expiration dates are allowed to be off
|
|
# by 10% of the signature lifetime (expir-incep) from our local clock.
|
|
# This leeway is capped with a minimum and a maximum. In seconds.
|
|
# val-sig-skew-min: 3600
|
|
# val-sig-skew-max: 86400
|
|
|
|
# The maximum number the validator should restart validation with
|
|
# another authority in case of failed validation.
|
|
# val-max-restart: 5
|
|
|
|
# Should additional section of secure message also be kept clean of
|
|
# unsecure data. Useful to shield the users of this validator from
|
|
# potential bogus data in the additional section. All unsigned data
|
|
# in the additional section is removed from secure messages.
|
|
val-clean-additional: yes
|
|
|
|
# Turn permissive mode on to permit bogus messages. Thus, messages
|
|
# for which security checks failed will be returned to clients,
|
|
# instead of SERVFAIL. It still performs the security checks, which
|
|
# result in interesting log files and possibly the AD bit in
|
|
# replies if the message is found secure. The default is off.
|
|
# NOTE: TURNING THIS ON DISABLES ALL DNSSEC SECURITY
|
|
val-permissive-mode: no
|
|
|
|
# Ignore the CD flag in incoming queries and refuse them bogus data.
|
|
# Enable it if the only clients of Unbound are legacy servers (w2008)
|
|
# that set CD but cannot validate themselves.
|
|
# ignore-cd-flag: no
|
|
|
|
# Serve expired responses from cache, with serve-expired-reply-ttl in
|
|
# the response, and then attempt to fetch the data afresh.
|
|
serve-expired: yes
|
|
#
|
|
# Limit serving of expired responses to configured seconds after
|
|
# expiration. 0 disables the limit.
|
|
serve-expired-ttl: 14400
|
|
#
|
|
# Set the TTL of expired records to the serve-expired-ttl value after a
|
|
# failed attempt to retrieve the record from upstream. This makes sure
|
|
# that the expired records will be served as long as there are queries
|
|
# for it.
|
|
# serve-expired-ttl-reset: no
|
|
#
|
|
# TTL value to use when replying with expired data.
|
|
# serve-expired-reply-ttl: 30
|
|
#
|
|
# Time in milliseconds before replying to the client with expired data.
|
|
# This essentially enables the serve-stale behavior as specified in
|
|
# RFC 8767 that first tries to resolve before
|
|
# immediately responding with expired data. 0 disables this behavior.
|
|
# A recommended value is 1800.
|
|
# serve-expired-client-timeout: 0
|
|
|
|
# Return the original TTL as received from the upstream name server rather
|
|
# than the decrementing TTL as stored in the cache. Enabling this feature
|
|
# does not impact cache expiry, it only changes the TTL Unbound embeds in
|
|
# responses to queries. Note that enabling this feature implicitly disables
|
|
# enforcement of the configured minimum and maximum TTL.
|
|
# serve-original-ttl: no
|
|
|
|
# Have the validator log failed validations for your diagnosis.
|
|
# 0: off. 1: A line per failed user query. 2: With reason and bad IP.
|
|
val-log-level: 1
|
|
|
|
# It is possible to configure NSEC3 maximum iteration counts per
|
|
# keysize. Keep this table very short, as linear search is done.
|
|
# A message with an NSEC3 with larger count is marked insecure.
|
|
# List in ascending order the keysize and count values.
|
|
# val-nsec3-keysize-iterations: "1024 150 2048 150 4096 150"
|
|
|
|
# if enabled, ZONEMD verification failures do not block the zone.
|
|
# zonemd-permissive-mode: no
|
|
|
|
# instruct the auto-trust-anchor-file probing to add anchors after ttl.
|
|
# add-holddown: 2592000 # 30 days
|
|
|
|
# instruct the auto-trust-anchor-file probing to del anchors after ttl.
|
|
# del-holddown: 2592000 # 30 days
|
|
|
|
# auto-trust-anchor-file probing removes missing anchors after ttl.
|
|
# If the value 0 is given, missing anchors are not removed.
|
|
# keep-missing: 31622400 # 366 days
|
|
|
|
# debug option that allows very small holddown times for key rollover,
|
|
# otherwise the RFC mandates probe intervals must be at least 1 hour.
|
|
# permit-small-holddown: no
|
|
|
|
# the amount of memory to use for the key cache.
|
|
# plain value in bytes or you can append k, m or G. default is "4Mb".
|
|
# key-cache-size: 4m
|
|
|
|
# the number of slabs to use for the key cache.
|
|
# the number of slabs must be a power of 2.
|
|
# more slabs reduce lock contention, but fragment memory usage.
|
|
# key-cache-slabs: 4
|
|
|
|
# the amount of memory to use for the negative cache.
|
|
# plain value in bytes or you can append k, m or G. default is "1Mb".
|
|
# neg-cache-size: 1m
|
|
|
|
# By default, for a number of zones a small default 'nothing here'
|
|
# reply is built-in. Query traffic is thus blocked. If you
|
|
# wish to serve such zone you can unblock them by uncommenting one
|
|
# of the nodefault statements below.
|
|
# You may also have to use domain-insecure: zone to make DNSSEC work,
|
|
# unless you have your own trust anchors for this zone.
|
|
# local-zone: "localhost." nodefault
|
|
# local-zone: "127.in-addr.arpa." nodefault
|
|
# local-zone: "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa." nodefault
|
|
# local-zone: "home.arpa." nodefault
|
|
# local-zone: "onion." nodefault
|
|
# local-zone: "test." nodefault
|
|
# local-zone: "invalid." nodefault
|
|
# local-zone: "10.in-addr.arpa." nodefault
|
|
# local-zone: "16.172.in-addr.arpa." nodefault
|
|
# local-zone: "17.172.in-addr.arpa." nodefault
|
|
# local-zone: "18.172.in-addr.arpa." nodefault
|
|
# local-zone: "19.172.in-addr.arpa." nodefault
|
|
# local-zone: "20.172.in-addr.arpa." nodefault
|
|
# local-zone: "21.172.in-addr.arpa." nodefault
|
|
# local-zone: "22.172.in-addr.arpa." nodefault
|
|
# local-zone: "23.172.in-addr.arpa." nodefault
|
|
# local-zone: "24.172.in-addr.arpa." nodefault
|
|
# local-zone: "25.172.in-addr.arpa." nodefault
|
|
# local-zone: "26.172.in-addr.arpa." nodefault
|
|
# local-zone: "27.172.in-addr.arpa." nodefault
|
|
# local-zone: "28.172.in-addr.arpa." nodefault
|
|
# local-zone: "29.172.in-addr.arpa." nodefault
|
|
# local-zone: "30.172.in-addr.arpa." nodefault
|
|
# local-zone: "31.172.in-addr.arpa." nodefault
|
|
# local-zone: "168.192.in-addr.arpa." nodefault
|
|
# local-zone: "0.in-addr.arpa." nodefault
|
|
# local-zone: "254.169.in-addr.arpa." nodefault
|
|
# local-zone: "2.0.192.in-addr.arpa." nodefault
|
|
# local-zone: "100.51.198.in-addr.arpa." nodefault
|
|
# local-zone: "113.0.203.in-addr.arpa." nodefault
|
|
# local-zone: "255.255.255.255.in-addr.arpa." nodefault
|
|
# local-zone: "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa." nodefault
|
|
# local-zone: "d.f.ip6.arpa." nodefault
|
|
# local-zone: "8.e.f.ip6.arpa." nodefault
|
|
# local-zone: "9.e.f.ip6.arpa." nodefault
|
|
# local-zone: "a.e.f.ip6.arpa." nodefault
|
|
# local-zone: "b.e.f.ip6.arpa." nodefault
|
|
# local-zone: "8.b.d.0.1.0.0.2.ip6.arpa." nodefault
|
|
# And for 64.100.in-addr.arpa. to 127.100.in-addr.arpa.
|
|
|
|
# Add example.com into ipset
|
|
# local-zone: "example.com" ipset
|
|
|
|
# If Unbound is running service for the local host then it is useful
|
|
# to perform lan-wide lookups to the upstream, and unblock the
|
|
# long list of local-zones above. If this Unbound is a dns server
|
|
# for a network of computers, disabled is better and stops information
|
|
# leakage of local lan information.
|
|
# unblock-lan-zones: no
|
|
|
|
# The insecure-lan-zones option disables validation for
|
|
# these zones, as if they were all listed as domain-insecure.
|
|
# insecure-lan-zones: no
|
|
|
|
# a number of locally served zones can be configured.
|
|
# local-zone: <zone> <type>
|
|
# local-data: "<resource record string>"
|
|
# o deny serves local data (if any), else, drops queries.
|
|
# o refuse serves local data (if any), else, replies with error.
|
|
# o static serves local data, else, nxdomain or nodata answer.
|
|
# o transparent gives local data, but resolves normally for other names
|
|
# o redirect serves the zone data for any subdomain in the zone.
|
|
# o nodefault can be used to normally resolve AS112 zones.
|
|
# o typetransparent resolves normally for other types and other names
|
|
# o inform acts like transparent, but logs client IP address
|
|
# o inform_deny drops queries and logs client IP address
|
|
# o inform_redirect redirects queries and logs client IP address
|
|
# o always_transparent, always_refuse, always_nxdomain, always_nodata,
|
|
# always_deny resolve in that way but ignore local data for
|
|
# that name
|
|
# o always_null returns 0.0.0.0 or ::0 for any name in the zone.
|
|
# o noview breaks out of that view towards global local-zones.
|
|
#
|
|
# defaults are localhost address, reverse for 127.0.0.1 and ::1
|
|
# and nxdomain for AS112 zones. If you configure one of these zones
|
|
# the default content is omitted, or you can omit it with 'nodefault'.
|
|
#
|
|
# If you configure local-data without specifying local-zone, by
|
|
# default a transparent local-zone is created for the data.
|
|
#
|
|
# You can add locally served data with
|
|
# local-zone: "local." static
|
|
# local-data: "mycomputer.local. IN A 192.0.2.51"
|
|
# local-data: 'mytext.local TXT "content of text record"'
|
|
#
|
|
# You can override certain queries with
|
|
# local-data: "adserver.example.com A 127.0.0.1"
|
|
#
|
|
# You can redirect a domain to a fixed address with
|
|
# (this makes example.com, www.example.com, etc, all go to 192.0.2.3)
|
|
# local-zone: "example.com" redirect
|
|
# local-data: "example.com A 192.0.2.3"
|
|
#
|
|
# Shorthand to make PTR records, "IPv4 name" or "IPv6 name".
|
|
# You can also add PTR records using local-data directly, but then
|
|
# you need to do the reverse notation yourself.
|
|
# local-data-ptr: "192.0.2.3 www.example.com"
|
|
|
|
include: /etc/unbound/local.d/*.conf
|
|
|
|
# tag a localzone with a list of tag names (in "" with spaces between)
|
|
# local-zone-tag: "example.com" "tag2 tag3"
|
|
|
|
# add a netblock specific override to a localzone, with zone type
|
|
# local-zone-override: "example.com" 192.0.2.0/24 refuse
|
|
|
|
# service clients over TLS (on the TCP sockets) with plain DNS inside
|
|
# the TLS stream, and over HTTPS using HTTP/2 as specified in RFC8484.
|
|
# Give the certificate to use and private key.
|
|
# default is "" (disabled). requires restart to take effect.
|
|
# tls-service-key: "/etc/unbound/unbound_server.key"
|
|
# tls-service-pem: "/etc/unbound/unbound_server.pem"
|
|
# tls-port: 853
|
|
# https-port: 443
|
|
|
|
# cipher setting for TLSv1.2
|
|
# tls-ciphers: "DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256"
|
|
# cipher setting for TLSv1.3
|
|
# tls-ciphersuites: "TLS_AES_128_GCM_SHA256:TLS_AES_128_CCM_8_SHA256:TLS_AES_128_CCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256"
|
|
# Fedora/RHEL: use system-wide crypto policies
|
|
tls-ciphers: "PROFILE=SYSTEM"
|
|
# TODO: ask system-wide crypto people what to use here
|
|
#tls-ciphersuites: "PROFILE=SYSTEM" # does not work
|
|
|
|
# Pad responses to padded queries received over TLS
|
|
# pad-responses: yes
|
|
|
|
# Padded responses will be padded to the closest multiple of this size.
|
|
# pad-responses-block-size: 468
|
|
|
|
# Use the SNI extension for TLS connections. Default is yes.
|
|
# Changing the value requires a reload.
|
|
# tls-use-sni: yes
|
|
|
|
# Add the secret file for TLS Session Ticket.
|
|
# Secret file must be 80 bytes of random data.
|
|
# First key use to encrypt and decrypt TLS session tickets.
|
|
# Other keys use to decrypt only.
|
|
# requires restart to take effect.
|
|
# tls-session-ticket-keys: "path/to/secret_file1"
|
|
# tls-session-ticket-keys: "path/to/secret_file2"
|
|
|
|
# request upstream over TLS (with plain DNS inside the TLS stream).
|
|
# Default is no. Can be turned on and off with unbound-control.
|
|
# tls-upstream: no
|
|
|
|
# Certificates used to authenticate connections made upstream.
|
|
# tls-cert-bundle: ""
|
|
|
|
# Add system certs to the cert bundle, from the Windows Cert Store
|
|
# tls-win-cert: no
|
|
# and on other systems, the default openssl certificates
|
|
# tls-system-cert: no
|
|
|
|
# Pad queries over TLS upstreams
|
|
# pad-queries: yes
|
|
|
|
# Padded queries will be padded to the closest multiple of this size.
|
|
# pad-queries-block-size: 128
|
|
|
|
# Also serve tls on these port numbers (eg. 443, ...), by listing
|
|
# tls-additional-port: portno for each of the port numbers.
|
|
|
|
# HTTP endpoint to provide DNS-over-HTTPS service on.
|
|
# http-endpoint: "/dns-query"
|
|
|
|
# HTTP/2 SETTINGS_MAX_CONCURRENT_STREAMS value to use.
|
|
# http-max-streams: 100
|
|
|
|
# Maximum number of bytes used for all HTTP/2 query buffers.
|
|
# http-query-buffer-size: 4m
|
|
|
|
# Maximum number of bytes used for all HTTP/2 response buffers.
|
|
# http-response-buffer-size: 4m
|
|
|
|
# Set TCP_NODELAY socket option on sockets used for DNS-over-HTTPS
|
|
# service.
|
|
# http-nodelay: yes
|
|
|
|
# Disable TLS for DNS-over-HTTP downstream service.
|
|
# http-notls-downstream: no
|
|
|
|
# DNS64 prefix. Must be specified when DNS64 is use.
|
|
# Enable dns64 in module-config. Used to synthesize IPv6 from IPv4.
|
|
# dns64-prefix: 64:ff9b::0/96
|
|
|
|
# DNS64 ignore AAAA records for these domains and use A instead.
|
|
# dns64-ignore-aaaa: "example.com"
|
|
|
|
# ratelimit for uncached, new queries, this limits recursion effort.
|
|
# ratelimiting is experimental, and may help against randomqueryflood.
|
|
# if 0(default) it is disabled, otherwise state qps allowed per zone.
|
|
# ratelimit: 0
|
|
|
|
# ratelimits are tracked in a cache, size in bytes of cache (or k,m).
|
|
# ratelimit-size: 4m
|
|
# ratelimit cache slabs, reduces lock contention if equal to cpucount.
|
|
# ratelimit-slabs: 4
|
|
|
|
# 0 blocks when ratelimited, otherwise let 1/xth traffic through
|
|
# ratelimit-factor: 10
|
|
|
|
# Aggressive rate limit when the limit is reached and until demand has
|
|
# decreased in a 2 second rate window.
|
|
# ratelimit-backoff: no
|
|
|
|
# override the ratelimit for a specific domain name.
|
|
# give this setting multiple times to have multiple overrides.
|
|
# ratelimit-for-domain: example.com 1000
|
|
# override the ratelimits for all domains below a domain name
|
|
# can give this multiple times, the name closest to the zone is used.
|
|
# ratelimit-below-domain: com 1000
|
|
|
|
# global query ratelimit for all ip addresses.
|
|
# feature is experimental.
|
|
# if 0(default) it is disabled, otherwise states qps allowed per ip address
|
|
# ip-ratelimit: 0
|
|
|
|
# ip ratelimits are tracked in a cache, size in bytes of cache (or k,m).
|
|
# ip-ratelimit-size: 4m
|
|
# ip ratelimit cache slabs, reduces lock contention if equal to cpucount.
|
|
# ip-ratelimit-slabs: 4
|
|
|
|
# 0 blocks when ip is ratelimited, otherwise let 1/xth traffic through
|
|
# ip-ratelimit-factor: 10
|
|
|
|
# Aggressive rate limit when the limit is reached and until demand has
|
|
# decreased in a 2 second rate window.
|
|
# ip-ratelimit-backoff: no
|
|
|
|
# Limit the number of connections simultaneous from a netblock
|
|
# tcp-connection-limit: 192.0.2.0/24 12
|
|
|
|
# select from the fastest servers this many times out of 1000. 0 means
|
|
# the fast server select is disabled. prefetches are not sped up.
|
|
# fast-server-permil: 0
|
|
# the number of servers that will be used in the fast server selection.
|
|
# fast-server-num: 3
|
|
|
|
# Enable to attach Extended DNS Error codes (RFC8914) to responses.
|
|
ede: yes
|
|
|
|
# Enable to attach an Extended DNS Error (RFC8914) Code 3 - Stale
|
|
# Answer as EDNS0 option to expired responses.
|
|
# Note that the ede option above needs to be enabled for this to work.
|
|
ede-serve-expired: yes
|
|
|
|
# Specific options for ipsecmod. Unbound needs to be configured with
|
|
# --enable-ipsecmod for these to take effect.
|
|
#
|
|
# Enable or disable ipsecmod (it still needs to be defined in
|
|
# module-config above). Can be used when ipsecmod needs to be
|
|
# enabled/disabled via remote-control(below).
|
|
# Fedora: module will be enabled on-demand by libreswan
|
|
ipsecmod-enabled: no
|
|
|
|
# Path to executable external hook. It must be defined when ipsecmod is
|
|
# listed in module-config (above).
|
|
# ipsecmod-hook: "./my_executable"
|
|
ipsecmod-hook:/usr/libexec/ipsec/_unbound-hook
|
|
|
|
# When enabled Unbound will reply with SERVFAIL if the return value of
|
|
# the ipsecmod-hook is not 0.
|
|
# ipsecmod-strict: no
|
|
#
|
|
# Maximum time to live (TTL) for cached A/AAAA records with IPSECKEY.
|
|
# ipsecmod-max-ttl: 3600
|
|
#
|
|
# Reply with A/AAAA even if the relevant IPSECKEY is bogus. Mainly used for
|
|
# testing.
|
|
# ipsecmod-ignore-bogus: no
|
|
#
|
|
# Domains for which ipsecmod will be triggered. If not defined (default)
|
|
# all domains are treated as being allowed.
|
|
# ipsecmod-allow: "example.com"
|
|
# ipsecmod-allow: "nlnetlabs.nl"
|
|
|
|
# Timeout for REUSE entries in milliseconds.
|
|
# tcp-reuse-timeout: 60000
|
|
# Max number of queries on a reuse connection.
|
|
# max-reuse-tcp-queries: 200
|
|
# Timeout in milliseconds for TCP queries to auth servers.
|
|
# tcp-auth-query-timeout: 3000
|
|
|
|
# Python config section. To enable:
|
|
# o use --with-pythonmodule to configure before compiling.
|
|
# o list python in the module-config string (above) to enable.
|
|
# It can be at the start, it gets validated results, or just before
|
|
# the iterator and process before DNSSEC validation.
|
|
# o and give a python-script to run.
|
|
python:
|
|
# Script file to load
|
|
# python-script: "/etc/unbound/ubmodule-tst.py"
|
|
|
|
# Dynamic library config section. To enable:
|
|
# o use --with-dynlibmodule to configure before compiling.
|
|
# o list dynlib in the module-config string (above) to enable.
|
|
# It can be placed anywhere, the dynlib module is only a very thin wrapper
|
|
# to load modules dynamically.
|
|
# o and give a dynlib-file to run. If more than one dynlib entry is listed in
|
|
# the module-config then you need one dynlib-file per instance.
|
|
dynlib:
|
|
# Script file to load
|
|
# dynlib-file: "/etc/unbound/dynlib.so"
|
|
|
|
# Remote control config section.
|
|
remote-control:
|
|
# Enable remote control with unbound-control(8) here.
|
|
# set up the keys and certificates with unbound-control-setup.
|
|
# Note: required for unbound-munin package
|
|
control-enable: yes
|
|
|
|
# Set to no and use an absolute path as control-interface to use
|
|
# a unix local named pipe for unbound-control.
|
|
# control-use-cert: yes
|
|
|
|
# what interfaces are listened to for remote control.
|
|
# give 0.0.0.0 and ::0 to listen to all interfaces.
|
|
# set to an absolute path to use a unix local name pipe, certificates
|
|
# are not used for that, so key and cert files need not be present.
|
|
# control-interface: 127.0.0.1
|
|
# control-interface: ::1
|
|
|
|
# port number for remote control operations.
|
|
# control-port: 8953
|
|
|
|
# for localhost, you can disable use of TLS by setting this to "no"
|
|
# For local sockets this option is ignored, and TLS is not used.
|
|
control-use-cert: "no"
|
|
|
|
# Unbound server key file.
|
|
server-key-file: "/etc/unbound/unbound_server.key"
|
|
|
|
# Unbound server certificate file.
|
|
server-cert-file: "/etc/unbound/unbound_server.pem"
|
|
|
|
# unbound-control key file.
|
|
control-key-file: "/etc/unbound/unbound_control.key"
|
|
|
|
# unbound-control certificate file.
|
|
control-cert-file: "/etc/unbound/unbound_control.pem"
|
|
|
|
# Stub and Forward zones
|
|
include: /etc/unbound/conf.d/*.conf
|
|
|
|
# Stub zones.
|
|
# Create entries like below, to make all queries for 'example.com' and
|
|
# 'example.org' go to the given list of nameservers. list zero or more
|
|
# nameservers by hostname or by ipaddress. If you set stub-prime to yes,
|
|
# the list is treated as priming hints (default is no).
|
|
# With stub-first yes, it attempts without the stub if it fails.
|
|
# Consider adding domain-insecure: name and local-zone: name nodefault
|
|
# to the server: section if the stub is a locally served zone.
|
|
# stub-zone:
|
|
# name: "example.com"
|
|
# stub-addr: 192.0.2.68
|
|
# stub-prime: no
|
|
# stub-first: no
|
|
# stub-tcp-upstream: no
|
|
# stub-tls-upstream: no
|
|
# stub-no-cache: no
|
|
# stub-zone:
|
|
# name: "example.org"
|
|
# stub-host: ns.example.com.
|
|
|
|
# You can now also dynamically create and delete stub-zone's using
|
|
# unbound-control stub_add domain.com 1.2.3.4 5.6.7.8
|
|
# unbound-control stub_remove domain.com 1.2.3.4 5.6.7.8
|
|
|
|
# Forward zones
|
|
# Create entries like below, to make all queries for 'example.com' and
|
|
# 'example.org' go to the given list of servers. These servers have to handle
|
|
# recursion to other nameservers. List zero or more nameservers by hostname
|
|
# or by ipaddress. Use an entry with name "." to forward all queries.
|
|
# If you enable forward-first, it attempts without the forward if it fails.
|
|
# forward-zone:
|
|
# name: "example.com"
|
|
# forward-addr: 192.0.2.68
|
|
# forward-addr: 192.0.2.73@5355 # forward to port 5355.
|
|
# forward-first: no
|
|
# forward-tcp-upstream: no
|
|
# forward-tls-upstream: no
|
|
# forward-no-cache: no
|
|
# forward-zone:
|
|
# name: "example.org"
|
|
# forward-host: fwd.example.com
|
|
#
|
|
# You can now also dynamically create and delete forward-zone's using
|
|
# unbound-control forward_add domain.com 1.2.3.4 5.6.7.8
|
|
# unbound-control forward_remove domain.com 1.2.3.4 5.6.7.8
|
|
|
|
# Authority zones
|
|
# The data for these zones is kept locally, from a file or downloaded.
|
|
# The data can be served to downstream clients, or used instead of the
|
|
# upstream (which saves a lookup to the upstream). The first example
|
|
# has a copy of the root for local usage. The second serves example.org
|
|
# authoritatively. zonefile: reads from file (and writes to it if you also
|
|
# download it), master: fetches with AXFR and IXFR, or url to zonefile.
|
|
# With allow-notify: you can give additional (apart from masters) sources of
|
|
# notifies.
|
|
auth-zone:
|
|
name: "."
|
|
primary: 199.9.14.201 # b.root-servers.net
|
|
primary: 192.33.4.12 # c.root-servers.net
|
|
primary: 199.7.91.13 # d.root-servers.net
|
|
primary: 192.5.5.241 # f.root-servers.net
|
|
primary: 192.112.36.4 # g.root-servers.net
|
|
primary: 193.0.14.129 # k.root-servers.net
|
|
primary: 192.0.47.132 # xfr.cjr.dns.icann.org
|
|
primary: 192.0.32.132 # xfr.lax.dns.icann.org
|
|
primary: 2001:500:200::b # b.root-servers.net
|
|
primary: 2001:500:2::c # c.root-servers.net
|
|
primary: 2001:500:2d::d # d.root-servers.net
|
|
primary: 2001:500:2f::f # f.root-servers.net
|
|
primary: 2001:500:12::d0d # g.root-servers.net
|
|
primary: 2001:7fd::1 # k.root-servers.net
|
|
primary: 2620:0:2830:202::132 # xfr.cjr.dns.icann.org
|
|
primary: 2620:0:2d0:202::132 # xfr.lax.dns.icann.org
|
|
fallback-enabled: yes
|
|
for-downstream: no
|
|
for-upstream: yes
|
|
|
|
# auth-zone:
|
|
# name: "example.org"
|
|
# for-downstream: yes
|
|
# for-upstream: yes
|
|
# zonemd-check: no
|
|
# zonemd-reject-absence: no
|
|
# zonefile: "example.org.zone"
|
|
|
|
# Views
|
|
# Create named views. Name must be unique. Map views to requests using
|
|
# the access-control-view option. Views can contain zero or more local-zone
|
|
# and local-data options. Options from matching views will override global
|
|
# options. Global options will be used if no matching view is found.
|
|
# With view-first yes, it will try to answer using the global local-zone and
|
|
# local-data elements if there is no view specific match.
|
|
# view:
|
|
# name: "viewname"
|
|
# local-zone: "example.com" redirect
|
|
# local-data: "example.com A 192.0.2.3"
|
|
# local-data-ptr: "192.0.2.3 www.example.com"
|
|
# view-first: no
|
|
# view:
|
|
# name: "anotherview"
|
|
# local-zone: "example.com" refuse
|
|
|
|
# Fedora: DNSCrypt support not enabled since it requires linking to
|
|
# another crypto library
|
|
#
|
|
# DNSCrypt
|
|
# o enable, use --enable-dnscrypt to configure before compiling.
|
|
# Caveats:
|
|
# 1. the keys/certs cannot be produced by Unbound. You can use dnscrypt-wrapper
|
|
# for this: https://github.com/cofyc/dnscrypt-wrapper/blob/master/README.md#usage
|
|
# 2. dnscrypt channel attaches to an interface. you MUST set interfaces to
|
|
# listen on `dnscrypt-port` with the follo0wing snippet:
|
|
# server:
|
|
# interface: 0.0.0.0@443
|
|
# interface: ::0@443
|
|
#
|
|
# Finally, `dnscrypt` config has its own section.
|
|
# dnscrypt:
|
|
# dnscrypt-enable: yes
|
|
# dnscrypt-port: 443
|
|
# dnscrypt-provider: 2.dnscrypt-cert.example.com.
|
|
# dnscrypt-secret-key: /path/unbound-conf/keys1/1.key
|
|
# dnscrypt-secret-key: /path/unbound-conf/keys2/1.key
|
|
# dnscrypt-provider-cert: /path/unbound-conf/keys1/1.cert
|
|
# dnscrypt-provider-cert: /path/unbound-conf/keys2/1.cert
|
|
|
|
# CacheDB
|
|
# External backend DB as auxiliary cache.
|
|
# To enable, use --enable-cachedb to configure before compiling.
|
|
# Specify the backend name
|
|
# (default is "testframe", which has no use other than for debugging and
|
|
# testing) and backend-specific options. The 'cachedb' module must be
|
|
# included in module-config, just before the iterator module.
|
|
# cachedb:
|
|
# backend: "testframe"
|
|
# # secret seed string to calculate hashed keys
|
|
# secret-seed: "default"
|
|
#
|
|
# # For "redis" backend:
|
|
# # (to enable, use --with-libhiredis to configure before compiling)
|
|
# # redis server's IP address or host name
|
|
# redis-server-host: 127.0.0.1
|
|
# # redis server's TCP port
|
|
# redis-server-port: 6379
|
|
# # timeout (in ms) for communication with the redis server
|
|
# redis-timeout: 100
|
|
# # set timeout on redis records based on DNS response TTL
|
|
# redis-expire-records: no
|
|
|
|
# IPSet
|
|
# Add specify domain into set via ipset.
|
|
# To enable:
|
|
# o use --enable-ipset to configure before compiling;
|
|
# o Unbound then needs to run as root user.
|
|
# ipset:
|
|
# # set name for ip v4 addresses
|
|
# name-v4: "list-v4"
|
|
# # set name for ip v6 addresses
|
|
# name-v6: "list-v6"
|
|
#
|
|
|
|
# Dnstap logging support, if compiled in by using --enable-dnstap to configure.
|
|
# To enable, set the dnstap-enable to yes and also some of
|
|
# dnstap-log-..-messages to yes. And select an upstream log destination, by
|
|
# socket path, TCP or TLS destination.
|
|
# dnstap:
|
|
# dnstap-enable: no
|
|
# # if set to yes frame streams will be used in bidirectional mode
|
|
# dnstap-bidirectional: yes
|
|
# dnstap-socket-path: "/etc/unbound/dnstap.sock"
|
|
# # if "" use the unix socket in dnstap-socket-path, otherwise,
|
|
# # set it to "IPaddress[@port]" of the destination.
|
|
# dnstap-ip: ""
|
|
# # if set to yes if you want to use TLS to dnstap-ip, no for TCP.
|
|
# dnstap-tls: yes
|
|
# # name for authenticating the upstream server. or "" disabled.
|
|
# dnstap-tls-server-name: ""
|
|
# # if "", it uses the cert bundle from the main Unbound config.
|
|
# dnstap-tls-cert-bundle: ""
|
|
# # key file for client authentication, or "" disabled.
|
|
# dnstap-tls-client-key-file: ""
|
|
# # cert file for client authentication, or "" disabled.
|
|
# dnstap-tls-client-cert-file: ""
|
|
# dnstap-send-identity: no
|
|
# dnstap-send-version: no
|
|
# # if "" it uses the hostname.
|
|
# dnstap-identity: ""
|
|
# # if "" it uses the package version.
|
|
# dnstap-version: ""
|
|
# dnstap-log-resolver-query-messages: no
|
|
# dnstap-log-resolver-response-messages: no
|
|
# dnstap-log-client-query-messages: no
|
|
# dnstap-log-client-response-messages: no
|
|
# dnstap-log-forwarder-query-messages: no
|
|
# dnstap-log-forwarder-response-messages: no
|
|
|
|
# Response Policy Zones
|
|
# RPZ policies. Applied in order of configuration. QNAME, Response IP
|
|
# Address, nsdname, nsip and clientip triggers are supported. Supported
|
|
# actions are: NXDOMAIN, NODATA, PASSTHRU, DROP, Local Data, tcp-only
|
|
# and drop. Policies can be loaded from a file, or using zone
|
|
# transfer, or using HTTP. The respip module needs to be added
|
|
# to the module-config, e.g.: module-config: "respip validator iterator".
|
|
# rpz:
|
|
# name: "rpz.example.com"
|
|
# zonefile: "rpz.example.com"
|
|
# primary: 192.0.2.0
|
|
# allow-notify: 192.0.2.0/32
|
|
# url: http://www.example.com/rpz.example.org.zone
|
|
# rpz-action-override: cname
|
|
# rpz-cname-override: www.example.org
|
|
# rpz-log: yes
|
|
# rpz-log-name: "example policy"
|
|
# rpz-signal-nxdomain-ra: no
|
|
# for-downstream: no
|
|
# tags: "example"
|