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#
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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 to include other text into the file.
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#include: "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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	# 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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	# 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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	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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	# 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: 4096
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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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	# 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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	# 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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	# 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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	# 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/random (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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	# 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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	# 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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	# 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: no
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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 NS 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.
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	# This feature is an experimental implementation of draft dns-0x20.
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	# use-caps-for-id: no
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	# Domains (and domains in them) without support for dns-0x20 and
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	# the fallback fails because they keep sending different answers.
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	# caps-whitelist: "licdn.com"
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	# caps-whitelist: "senderbase.org"
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	# Enforce privacy of these addresses. Strips them away from answers.
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	# It may cause DNSSEC validation to additionally mark it as bogus.
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	# Protects against 'DNS Rebinding' (uses browser as network proxy).
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	# Only 'private-domain' and 'local-data' names are allowed to have
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	# these private addresses. No default.
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	# private-address: 10.0.0.0/8
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	# private-address: 172.16.0.0/12
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	# private-address: 192.168.0.0/16
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	# private-address: 169.254.0.0/16
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	# private-address: fd00::/8
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	# private-address: fe80::/10
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	# private-address: ::ffff:0:0/96
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	# Allow the domain (and its subdomains) to contain private addresses.
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	# local-data statements are allowed to contain private addresses too.
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	# private-domain: "example.com"
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	# If nonzero, unwanted replies are not only reported in statistics,
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	# but also a running total is kept per thread. If it reaches the
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	# threshold, a warning is printed and a defensive action is taken,
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	# the cache is cleared to flush potential poison out of it.
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	# A suggested value is 10000000, the default is 0 (turned off).
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	unwanted-reply-threshold: 10000000
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	# Do not query the following addresses. No DNS queries are sent there.
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	# List one address per entry. List classless netblocks with /size,
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	# do-not-query-address: 127.0.0.1/8
8ba890
	# do-not-query-address: ::1
8ba890
8ba890
	# if yes, the above default do-not-query-address entries are present.
8ba890
	# if no, localhost can be queried (for testing and debugging).
8ba890
	# do-not-query-localhost: yes
8ba890
8ba890
	# if yes, perform prefetching of almost expired message cache entries.
8ba890
	prefetch: yes
8ba890
8ba890
	# if yes, perform key lookups adjacent to normal lookups.
8ba890
	prefetch-key: yes
8ba890
8ba890
	# if yes, Unbound rotates RRSet order in response.
8ba890
	rrset-roundrobin: yes
8ba890
8ba890
	# if yes, Unbound doesn't insert authority/additional sections
8ba890
	# into response messages when those sections are not required.
8ba890
	minimal-responses: yes
8ba890
8ba890
	# true to disable DNSSEC lameness check in iterator.
8ba890
	# disable-dnssec-lame-check: no
8ba890
8ba890
	# module configuration of the server. A string with identifiers
8ba890
	# separated by spaces. Syntax: "[dns64] [validator] iterator"
8ba890
	module-config: "ipsecmod validator iterator"
8ba890
8ba890
	# File with trusted keys, kept uptodate using RFC5011 probes,
8ba890
	# initial file like trust-anchor-file, then it stores metadata.
8ba890
	# Use several entries, one per domain name, to track multiple zones.
8ba890
	#
8ba890
	# If you want to perform DNSSEC validation, run unbound-anchor before
8ba890
	# you start unbound (i.e. in the system boot scripts).  And enable:
8ba890
	# Please note usage of unbound-anchor root anchor is at your own risk
8ba890
	# and under the terms of our LICENSE (see that file in the source).
8ba890
	# auto-trust-anchor-file: "/var/lib/unbound/root.key"
8ba890
8ba890
	# trust anchor signaling sends a RFC8145 key tag query after priming.
8ba890
	trust-anchor-signaling: yes
8ba890
8ba890
	# Root key trust anchor sentinel (draft-ietf-dnsop-kskroll-sentinel)
8ba890
	root-key-sentinel: yes
8ba890
8ba890
	# File with DLV trusted keys. Same format as trust-anchor-file.
8ba890
	# There can be only one DLV configured, it is trusted from root down.
8ba890
	# DLV is going to be decommissioned.  Please do not use it any more.
8ba890
	# dlv-anchor-file: "dlv.isc.org.key"
8ba890
8ba890
	# File with trusted keys for validation. Specify more than one file
8ba890
	# with several entries, one file per entry.
8ba890
	# Zone file format, with DS and DNSKEY entries.
8ba890
	# Note this gets out of date, use auto-trust-anchor-file please.
8ba890
	# trust-anchor-file: ""
8ba890
8ba890
	# Trusted key for validation. DS or DNSKEY. specify the RR on a
8ba890
	# single line, surrounded by "". TTL is ignored. class is IN default.
8ba890
	# Note this gets out of date, use auto-trust-anchor-file please.
8ba890
	# (These examples are from August 2007 and may not be valid anymore).
8ba890
	# trust-anchor: "nlnetlabs.nl. DNSKEY 257 3 5 AQPzzTWMz8qSWIQlfRnPckx2BiVmkVN6LPupO3mbz7FhLSnm26n6iG9N Lby97Ji453aWZY3M5/xJBSOS2vWtco2t8C0+xeO1bc/d6ZTy32DHchpW 6rDH1vp86Ll+ha0tmwyy9QP7y2bVw5zSbFCrefk8qCUBgfHm9bHzMG1U BYtEIQ=="
8ba890
	# trust-anchor: "jelte.nlnetlabs.nl. DS 42860 5 1 14D739EB566D2B1A5E216A0BA4D17FA9B038BE4A"
8ba890
8ba890
	# File with trusted keys for validation. Specify more than one file
8ba890
	# with several entries, one file per entry. Like trust-anchor-file
8ba890
	# but has a different file format. Format is BIND-9 style format,
8ba890
	# the trusted-keys { name flag proto algo "key"; }; clauses are read.
8ba890
	# you need external update procedures to track changes in keys.
8ba890
	# trusted-keys-file: ""
8ba890
	#
8ba890
	trusted-keys-file: /etc/unbound/keys.d/*.key
8ba890
	auto-trust-anchor-file: "/var/lib/unbound/root.key"
8ba890
8ba890
	# Ignore chain of trust. Domain is treated as insecure.
8ba890
	# domain-insecure: "example.com"
8ba890
8ba890
	# Override the date for validation with a specific fixed date.
8ba890
	# Do not set this unless you are debugging signature inception
8ba890
	# and expiration. "" or "0" turns the feature off. -1 ignores date.
8ba890
	# val-override-date: ""
8ba890
8ba890
	# The time to live for bogus data, rrsets and messages. This avoids
8ba890
	# some of the revalidation, until the time interval expires. in secs.
8ba890
	# val-bogus-ttl: 60
8ba890
8ba890
	# The signature inception and expiration dates are allowed to be off
8ba890
	# by 10% of the signature lifetime (expir-incep) from our local clock.
8ba890
	# This leeway is capped with a minimum and a maximum.  In seconds.
8ba890
	# val-sig-skew-min: 3600
8ba890
	# val-sig-skew-max: 86400
8ba890
8ba890
	# Should additional section of secure message also be kept clean of
8ba890
	# unsecure data. Useful to shield the users of this validator from
8ba890
	# potential bogus data in the additional section. All unsigned data
8ba890
	# in the additional section is removed from secure messages.
8ba890
	val-clean-additional: yes
8ba890
8ba890
	# Turn permissive mode on to permit bogus messages. Thus, messages
8ba890
	# for which security checks failed will be returned to clients,
8ba890
	# instead of SERVFAIL. It still performs the security checks, which
8ba890
	# result in interesting log files and possibly the AD bit in
8ba890
	# replies if the message is found secure. The default is off.
8ba890
	# NOTE: TURNING THIS ON DISABLES ALL DNSSEC SECURITY
8ba890
	val-permissive-mode: no
8ba890
8ba890
	# Ignore the CD flag in incoming queries and refuse them bogus data.
8ba890
	# Enable it if the only clients of unbound are legacy servers (w2008)
8ba890
	# that set CD but cannot validate themselves.
8ba890
	# ignore-cd-flag: no
8ba890
8ba890
	# Serve expired responses from cache, with TTL 0 in the response,
8ba890
	# and then attempt to fetch the data afresh.
8ba890
	serve-expired: yes
8ba890
8ba890
	# Have the validator log failed validations for your diagnosis.
8ba890
	# 0: off. 1: A line per failed user query. 2: With reason and bad IP.
8ba890
	val-log-level: 1
8ba890
8ba890
	# It is possible to configure NSEC3 maximum iteration counts per
8ba890
	# keysize. Keep this table very short, as linear search is done.
8ba890
	# A message with an NSEC3 with larger count is marked insecure.
8ba890
	# List in ascending order the keysize and count values.
8ba890
	# val-nsec3-keysize-iterations: "1024 150 2048 500 4096 2500"
8ba890
8ba890
	# instruct the auto-trust-anchor-file probing to add anchors after ttl.
8ba890
	# add-holddown: 2592000 # 30 days
8ba890
8ba890
	# instruct the auto-trust-anchor-file probing to del anchors after ttl.
8ba890
	# del-holddown: 2592000 # 30 days
8ba890
8ba890
	# auto-trust-anchor-file probing removes missing anchors after ttl.
8ba890
	# If the value 0 is given, missing anchors are not removed.
8ba890
	# keep-missing: 31622400 # 366 days
8ba890
8ba890
	# debug option that allows very small holddown times for key rollover,
8ba890
	# otherwise the RFC mandates probe intervals must be at least 1 hour.
8ba890
	# permit-small-holddown: no
8ba890
8ba890
	# the amount of memory to use for the key cache.
8ba890
	# plain value in bytes or you can append k, m or G. default is "4Mb".
8ba890
	# key-cache-size: 4m
8ba890
8ba890
	# the number of slabs to use for the key cache.
8ba890
	# the number of slabs must be a power of 2.
8ba890
	# more slabs reduce lock contention, but fragment memory usage.
8ba890
	# key-cache-slabs: 4
8ba890
8ba890
	# the amount of memory to use for the negative cache (used for DLV).
8ba890
	# plain value in bytes or you can append k, m or G. default is "1Mb".
8ba890
	# neg-cache-size: 1m
8ba890
8ba890
	# By default, for a number of zones a small default 'nothing here'
8ba890
	# reply is built-in.  Query traffic is thus blocked.  If you
8ba890
	# wish to serve such zone you can unblock them by uncommenting one
8ba890
	# of the nodefault statements below.
8ba890
	# You may also have to use domain-insecure: zone to make DNSSEC work,
8ba890
	# unless you have your own trust anchors for this zone.
8ba890
	# local-zone: "localhost." nodefault
8ba890
	# local-zone: "127.in-addr.arpa." nodefault
8ba890
	# 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
8ba890
	# local-zone: "onion." nodefault
8ba890
	# local-zone: "test." nodefault
8ba890
	# local-zone: "invalid." nodefault
8ba890
	# local-zone: "10.in-addr.arpa." nodefault
8ba890
	# local-zone: "16.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "17.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "18.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "19.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "20.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "21.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "22.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "23.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "24.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "25.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "26.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "27.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "28.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "29.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "30.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "31.172.in-addr.arpa." nodefault
8ba890
	# local-zone: "168.192.in-addr.arpa." nodefault
8ba890
	# local-zone: "0.in-addr.arpa." nodefault
8ba890
	# local-zone: "254.169.in-addr.arpa." nodefault
8ba890
	# local-zone: "2.0.192.in-addr.arpa." nodefault
8ba890
	# local-zone: "100.51.198.in-addr.arpa." nodefault
8ba890
	# local-zone: "113.0.203.in-addr.arpa." nodefault
8ba890
	# local-zone: "255.255.255.255.in-addr.arpa." nodefault
8ba890
	# 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
8ba890
	# local-zone: "d.f.ip6.arpa." nodefault
8ba890
	# local-zone: "8.e.f.ip6.arpa." nodefault
8ba890
	# local-zone: "9.e.f.ip6.arpa." nodefault
8ba890
	# local-zone: "a.e.f.ip6.arpa." nodefault
8ba890
	# local-zone: "b.e.f.ip6.arpa." nodefault
8ba890
	# local-zone: "8.b.d.0.1.0.0.2.ip6.arpa." nodefault
8ba890
	# And for 64.100.in-addr.arpa. to 127.100.in-addr.arpa.
8ba890
8ba890
	# If unbound is running service for the local host then it is useful
8ba890
	# to perform lan-wide lookups to the upstream, and unblock the
8ba890
	# long list of local-zones above.  If this unbound is a dns server
8ba890
	# for a network of computers, disabled is better and stops information
8ba890
	# leakage of local lan information.
8ba890
	# unblock-lan-zones: no
8ba890
8ba890
	# The insecure-lan-zones option disables validation for
8ba890
	# these zones, as if they were all listed as domain-insecure.
8ba890
	# insecure-lan-zones: no
8ba890
8ba890
	# a number of locally served zones can be configured.
8ba890
	# 	local-zone: <zone> <type>
8ba890
	# 	local-data: "<resource record="" string="">"
8ba890
	# o deny serves local data (if any), else, drops queries.
8ba890
	# o refuse serves local data (if any), else, replies with error.
8ba890
	# o static serves local data, else, nxdomain or nodata answer.
8ba890
	# o transparent gives local data, but resolves normally for other names
8ba890
	# o redirect serves the zone data for any subdomain in the zone.
8ba890
	# o nodefault can be used to normally resolve AS112 zones.
8ba890
	# o typetransparent resolves normally for other types and other names
8ba890
	# o inform acts like transparent, but logs client IP address
8ba890
	# o inform_deny drops queries and logs client IP address
8ba890
	# o always_transparent, always_refuse, always_nxdomain, resolve in
8ba890
	#   that way but ignore local data for that name
8ba890
	# o noview breaks out of that view towards global local-zones.
8ba890
	#
8ba890
	# defaults are localhost address, reverse for 127.0.0.1 and ::1
8ba890
	# and nxdomain for AS112 zones. If you configure one of these zones
8ba890
	# the default content is omitted, or you can omit it with 'nodefault'.
8ba890
	#
8ba890
	# If you configure local-data without specifying local-zone, by
8ba890
	# default a transparent local-zone is created for the data.
8ba890
	#
8ba890
	# You can add locally served data with
8ba890
	# local-zone: "local." static
8ba890
	# local-data: "mycomputer.local. IN A 192.0.2.51"
8ba890
	# local-data: 'mytext.local TXT "content of text record"'
8ba890
	#
8ba890
	# You can override certain queries with
8ba890
	# local-data: "adserver.example.com A 127.0.0.1"
8ba890
	#
8ba890
	# You can redirect a domain to a fixed address with
8ba890
	# (this makes example.com, www.example.com, etc, all go to 192.0.2.3)
8ba890
	# local-zone: "example.com" redirect
8ba890
	# local-data: "example.com A 192.0.2.3"
8ba890
	#
8ba890
	# Shorthand to make PTR records, "IPv4 name" or "IPv6 name".
8ba890
	# You can also add PTR records using local-data directly, but then
8ba890
	# you need to do the reverse notation yourself.
8ba890
	# local-data-ptr: "192.0.2.3 www.example.com"
8ba890
8ba890
	include: /etc/unbound/local.d/*.conf
8ba890
8ba890
	# tag a localzone with a list of tag names (in "" with spaces between)
8ba890
	# local-zone-tag: "example.com" "tag2 tag3"
8ba890
8ba890
	# add a netblock specific override to a localzone, with zone type
8ba890
	# local-zone-override: "example.com" 192.0.2.0/24 refuse
8ba890
8ba890
	# service clients over SSL (on the TCP sockets), with plain DNS inside
8ba890
	# the SSL stream.  Give the certificate to use and private key.
8ba890
	# default is "" (disabled).  requires restart to take effect.
8ba890
	# tls-service-key: "/etc/unbound/unbound_server.key"
8ba890
	# tls-service-pem: "/etc/unbound/unbound_server.pem"
8ba890
	# tls-port: 853
8ba890
	#
8ba890
	# request upstream over SSL (with plain DNS inside the SSL stream).
8ba890
	# Default is no.  Can be turned on and off with unbound-control.
8ba890
	# tls-upstream: no
8ba890
8ba890
	# Certificates used to authenticate connections made upstream.
8ba890
	# tls-cert-bundle: ""
8ba890
8ba890
	# Add system certs to the cert bundle, from the Windows Cert Store
8ba890
	# tls-win-cert: no
8ba890
8ba890
	# Also serve tls on these port numbers (eg. 443, ...), by listing
8ba890
	# tls-additional-ports: portno for each of the port numbers.
8ba890
8ba890
	# DNS64 prefix. Must be specified when DNS64 is use.
8ba890
	# Enable dns64 in module-config.  Used to synthesize IPv6 from IPv4.
8ba890
	# dns64-prefix: 64:ff9b::0/96
8ba890
8ba890
	# ratelimit for uncached, new queries, this limits recursion effort.
8ba890
	# ratelimiting is experimental, and may help against randomqueryflood.
8ba890
	# if 0(default) it is disabled, otherwise state qps allowed per zone.
8ba890
	# ratelimit: 0
8ba890
8ba890
	# ratelimits are tracked in a cache, size in bytes of cache (or k,m).
8ba890
	# ratelimit-size: 4m
8ba890
	# ratelimit cache slabs, reduces lock contention if equal to cpucount.
8ba890
	# ratelimit-slabs: 4
8ba890
8ba890
	# 0 blocks when ratelimited, otherwise let 1/xth traffic through
8ba890
	# ratelimit-factor: 10
8ba890
8ba890
	# what is considered a low rtt (ping time for upstream server), in msec
8ba890
	# low-rtt: 45
8ba890
	# select low rtt this many times out of 1000. 0 means the fast server
8ba890
	# select is disabled.  prefetches are not sped up.
8ba890
	# low-rtt-permil: 0
8ba890
8ba890
	# override the ratelimit for a specific domain name.
8ba890
	# give this setting multiple times to have multiple overrides.
8ba890
	# ratelimit-for-domain: example.com 1000
8ba890
	# override the ratelimits for all domains below a domain name
8ba890
	# can give this multiple times, the name closest to the zone is used.
8ba890
	# ratelimit-below-domain: com 1000
8ba890
8ba890
	# global query ratelimit for all ip addresses.
8ba890
	# feature is experimental.
8ba890
	# if 0(default) it is disabled, otherwise states qps allowed per ip address
8ba890
	# ip-ratelimit: 0
8ba890
8ba890
	# ip ratelimits are tracked in a cache, size in bytes of cache (or k,m).
8ba890
	# ip-ratelimit-size: 4m
8ba890
	# ip ratelimit cache slabs, reduces lock contention if equal to cpucount.
8ba890
	# ip-ratelimit-slabs: 4
8ba890
8ba890
	# 0 blocks when ip is ratelimited, otherwise let 1/xth traffic through
8ba890
	# ip-ratelimit-factor: 10
8ba890
8ba890
	# Specific options for ipsecmod. unbound needs to be configured with
8ba890
	# --enable-ipsecmod for these to take effect.
8ba890
	#
8ba890
	# Enable or disable ipsecmod (it still needs to be defined in
8ba890
	# module-config above). Can be used when ipsecmod needs to be
8ba890
	# enabled/disabled via remote-control(below).
8ba890
	# Fedora: module will be enabled on-demand by libreswan
8ba890
	ipsecmod-enabled: no
8ba890
8ba890
	# Path to executable external hook. It must be defined when ipsecmod is
8ba890
	# listed in module-config (above).
8ba890
	# ipsecmod-hook: "./my_executable"
8ba890
	ipsecmod-hook:/usr/libexec/ipsec/_unbound-hook
8ba890
8ba890
	# When enabled unbound will reply with SERVFAIL if the return value of
8ba890
	# the ipsecmod-hook is not 0.
8ba890
	# ipsecmod-strict: no
8ba890
	#
8ba890
	# Maximum time to live (TTL) for cached A/AAAA records with IPSECKEY.
8ba890
	# ipsecmod-max-ttl: 3600
8ba890
	#
8ba890
	# Reply with A/AAAA even if the relevant IPSECKEY is bogus. Mainly used for
8ba890
	# testing.
8ba890
	# ipsecmod-ignore-bogus: no
8ba890
	#
8ba890
	# Domains for which ipsecmod will be triggered. If not defined (default)
8ba890
	# all domains are treated as being whitelisted.
8ba890
	# ipsecmod-whitelist: "libreswan.org"
8ba890
	# ipsecmod-whitelist: "nlnetlabs.nl"
8ba890
8ba890
# Python config section. To enable:
8ba890
# o use --with-pythonmodule to configure before compiling.
8ba890
# o list python in the module-config string (above) to enable.
8ba890
# o and give a python-script to run.
8ba890
python:
8ba890
	# Script file to load
8ba890
	# python-script: "/etc/unbound/ubmodule-tst.py"
8ba890
8ba890
# Remote control config section.
8ba890
remote-control:
8ba890
	# Enable remote control with unbound-control(8) here.
8ba890
	# set up the keys and certificates with unbound-control-setup.
8ba890
	# Note: required for unbound-munin package
8ba890
	control-enable: yes
8ba890
8ba890
	# Set to no and use an absolute path as control-interface to use
8ba890
	# a unix local named pipe for unbound-control.
8ba890
	# control-use-cert: yes
8ba890
8ba890
	# what interfaces are listened to for remote control.
8ba890
	# give 0.0.0.0 and ::0 to listen to all interfaces.
8ba890
	# control-interface: 127.0.0.1
8ba890
	# control-interface: ::1
8ba890
8ba890
	# port number for remote control operations.
8ba890
	# control-port: 8953
8ba890
8ba890
	# unbound server key file.
8ba890
	server-key-file: "/etc/unbound/unbound_server.key"
8ba890
8ba890
	# unbound server certificate file.
8ba890
	server-cert-file: "/etc/unbound/unbound_server.pem"
8ba890
8ba890
	# unbound-control key file.
8ba890
	control-key-file: "/etc/unbound/unbound_control.key"
8ba890
8ba890
	# unbound-control certificate file.
8ba890
	control-cert-file: "/etc/unbound/unbound_control.pem"
8ba890
8ba890
# Stub and Forward zones
8ba890
include: /etc/unbound/conf.d/*.conf
8ba890
8ba890
# Stub zones.
8ba890
# Create entries like below, to make all queries for 'example.com' and
8ba890
# 'example.org' go to the given list of nameservers. list zero or more
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# nameservers by hostname or by ipaddress. If you set stub-prime to yes,
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# the list is treated as priming hints (default is no).
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# With stub-first yes, it attempts without the stub if it fails.
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# Consider adding domain-insecure: name and local-zone: name nodefault
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# to the server: section if the stub is a locally served zone.
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# stub-zone:
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#	name: "example.com"
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#	stub-addr: 192.0.2.68
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#	stub-prime: no
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#	stub-first: no
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#	stub-tls-upstream: no
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# stub-zone:
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#	name: "example.org"
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#	stub-host: ns.example.com.
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# You can now also dynamically create and delete stub-zone's using
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# unbound-control stub_add domain.com 1.2.3.4 5.6.7.8
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# unbound-control stub_remove domain.com 1.2.3.4 5.6.7.8
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# Forward zones
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# Create entries like below, to make all queries for 'example.com' and
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# 'example.org' go to the given list of servers. These servers have to handle
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# recursion to other nameservers. List zero or more nameservers by hostname
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# or by ipaddress. Use an entry with name "." to forward all queries.
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# If you enable forward-first, it attempts without the forward if it fails.
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# forward-zone:
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# 	name: "example.com"
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# 	forward-addr: 192.0.2.68
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# 	forward-addr: 192.0.2.73@5355  # forward to port 5355.
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# 	forward-first: no
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# 	forward-tls-upstream: no
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# forward-zone:
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# 	name: "example.org"
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# 	forward-host: fwd.example.com
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#
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# You can now also dynamically create and delete forward-zone's using
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# unbound-control forward_add domain.com 1.2.3.4 5.6.7.8
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# unbound-control forward_remove domain.com 1.2.3.4 5.6.7.8
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# Authority zones
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# The data for these zones is kept locally, from a file or downloaded.
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# The data can be served to downstream clients, or used instead of the
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# upstream (which saves a lookup to the upstream).  The first example
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# has a copy of the root for local usage.  The second serves example.org
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# authoritatively.  zonefile: reads from file (and writes to it if you also
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# download it), master: fetches with AXFR and IXFR, or url to zonefile.
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auth-zone:
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	name: "."
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	for-downstream: no
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	for-upstream: yes
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	fallback-enabled: yes
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	master: b.root-servers.net
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	master: c.root-servers.net
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	master: e.root-servers.net
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	master: f.root-servers.net
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	master: g.root-servers.net
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	master: k.root-servers.net
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# auth-zone:
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#	name: "example.org"
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#	for-downstream: yes
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#	for-upstream: yes
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#	zonefile: "example.org.zone"
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# Views
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# Create named views. Name must be unique. Map views to requests using
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# the access-control-view option. Views can contain zero or more local-zone
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# and local-data options. Options from matching views will override global
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# options. Global options will be used if no matching view is found.
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# With view-first yes, it will try to answer using the global local-zone and
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# local-data elements if there is no view specific match.
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# view:
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#	name: "viewname"
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#	local-zone: "example.com" redirect
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#	local-data: "example.com A 192.0.2.3"
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# 	local-data-ptr: "192.0.2.3 www.example.com"
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#	view-first: no
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# view:
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#	name: "anotherview"
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#	local-zone: "example.com" refuse
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# Fedora: DNSCrypt support not enabled since it requires linking to
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#         another crypto library
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#
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# DNSCrypt
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# Caveats:
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# 1. the keys/certs cannot be produced by unbound. You can use dnscrypt-wrapper
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#   for this: https://github.com/cofyc/dnscrypt-wrapper/blob/master/README.md#usage
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# 2. dnscrypt channel attaches to an interface. you MUST set interfaces to
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#   listen on `dnscrypt-port` with the follo0wing snippet:
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# server:
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#     interface: 0.0.0.0@443
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#     interface: ::0@443
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#
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# Finally, `dnscrypt` config has its own section.
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# dnscrypt:
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#     dnscrypt-enable: yes
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#     dnscrypt-port: 443
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#     dnscrypt-provider: 2.dnscrypt-cert.example.com.
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#     dnscrypt-secret-key: /path/unbound-conf/keys1/1.key
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#     dnscrypt-secret-key: /path/unbound-conf/keys2/1.key
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#     dnscrypt-provider-cert: /path/unbound-conf/keys1/1.cert
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#     dnscrypt-provider-cert: /path/unbound-conf/keys2/1.cert
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# CacheDB
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# Enable external backend DB as auxiliary cache.  Specify the backend name
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# (default is "testframe", which has no use other than for debugging and
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# testing) and backend-specific options.  The 'cachedb' module must be
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# included in module-config.
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# cachedb:
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#     backend: "testframe"
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#     # secret seed string to calculate hashed keys
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#     secret-seed: "default"
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#     # For "redis" backend:
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#     # redis server's IP address or host name
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#     redis-server-host: 127.0.0.1
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#     # redis server's TCP port
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#     redis-server-port: 6379
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#     # timeout (in ms) for communication with the redis server
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#     redis-timeout: 100