xref: /freebsd/contrib/unbound/doc/example.conf.in (revision 09a3aaf3e0da92b656e895a499863628bd6f886e)
1b7579f77SDag-Erling Smørgrav#
2b7579f77SDag-Erling Smørgrav# Example configuration file.
3b7579f77SDag-Erling Smørgrav#
4*09a3aaf3SDag-Erling Smørgrav# See unbound.conf(5) man page, version 1.5.4.
5b7579f77SDag-Erling Smørgrav#
6b7579f77SDag-Erling Smørgrav# this is a comment.
7b7579f77SDag-Erling Smørgrav
8b7579f77SDag-Erling Smørgrav#Use this to include other text into the file.
9b7579f77SDag-Erling Smørgrav#include: "otherfile.conf"
10b7579f77SDag-Erling Smørgrav
11b7579f77SDag-Erling Smørgrav# The server clause sets the main parameters.
12b7579f77SDag-Erling Smørgravserver:
13b7579f77SDag-Erling Smørgrav	# whitespace is not necessary, but looks cleaner.
14b7579f77SDag-Erling Smørgrav
15b7579f77SDag-Erling Smørgrav	# verbosity number, 0 is least verbose. 1 is default.
16b7579f77SDag-Erling Smørgrav	verbosity: 1
17b7579f77SDag-Erling Smørgrav
18b7579f77SDag-Erling Smørgrav	# print statistics to the log (for every thread) every N seconds.
19b7579f77SDag-Erling Smørgrav	# Set to "" or 0 to disable. Default is disabled.
20b7579f77SDag-Erling Smørgrav	# statistics-interval: 0
21b7579f77SDag-Erling Smørgrav
22b7579f77SDag-Erling Smørgrav	# enable cumulative statistics, without clearing them after printing.
23b7579f77SDag-Erling Smørgrav	# statistics-cumulative: no
24b7579f77SDag-Erling Smørgrav
25b7579f77SDag-Erling Smørgrav	# enable extended statistics (query types, answer codes, status)
26b7579f77SDag-Erling Smørgrav	# printed from unbound-control. default off, because of speed.
27b7579f77SDag-Erling Smørgrav	# extended-statistics: no
28b7579f77SDag-Erling Smørgrav
29b7579f77SDag-Erling Smørgrav	# number of threads to create. 1 disables threading.
30b7579f77SDag-Erling Smørgrav	# num-threads: 1
31b7579f77SDag-Erling Smørgrav
32b7579f77SDag-Erling Smørgrav	# specify the interfaces to answer queries from by ip-address.
33b7579f77SDag-Erling Smørgrav	# The default is to listen to localhost (127.0.0.1 and ::1).
34b7579f77SDag-Erling Smørgrav	# specify 0.0.0.0 and ::0 to bind to all available interfaces.
35b7579f77SDag-Erling Smørgrav	# specify every interface[@port] on a new 'interface:' labelled line.
36b7579f77SDag-Erling Smørgrav	# The listen interfaces are not changed on reload, only on restart.
37b7579f77SDag-Erling Smørgrav	# interface: 192.0.2.153
38b7579f77SDag-Erling Smørgrav	# interface: 192.0.2.154
39b7579f77SDag-Erling Smørgrav	# interface: 192.0.2.154@5003
40b7579f77SDag-Erling Smørgrav	# interface: 2001:DB8::5
41b7579f77SDag-Erling Smørgrav
42b7579f77SDag-Erling Smørgrav	# enable this feature to copy the source address of queries to reply.
43b7579f77SDag-Erling Smørgrav	# Socket options are not supported on all platforms. experimental.
44b7579f77SDag-Erling Smørgrav	# interface-automatic: no
45b7579f77SDag-Erling Smørgrav
46b7579f77SDag-Erling Smørgrav	# port to answer queries from
47b7579f77SDag-Erling Smørgrav	# port: 53
48b7579f77SDag-Erling Smørgrav
49b7579f77SDag-Erling Smørgrav	# specify the interfaces to send outgoing queries to authoritative
50b7579f77SDag-Erling Smørgrav	# server from by ip-address. If none, the default (all) interface
51b7579f77SDag-Erling Smørgrav	# is used. Specify every interface on a 'outgoing-interface:' line.
52b7579f77SDag-Erling Smørgrav	# outgoing-interface: 192.0.2.153
53b7579f77SDag-Erling Smørgrav	# outgoing-interface: 2001:DB8::5
54b7579f77SDag-Erling Smørgrav	# outgoing-interface: 2001:DB8::6
55b7579f77SDag-Erling Smørgrav
56b7579f77SDag-Erling Smørgrav	# number of ports to allocate per thread, determines the size of the
57b7579f77SDag-Erling Smørgrav	# port range that can be open simultaneously.  About double the
58b7579f77SDag-Erling Smørgrav	# num-queries-per-thread, or, use as many as the OS will allow you.
59b7579f77SDag-Erling Smørgrav	# outgoing-range: 4096
60b7579f77SDag-Erling Smørgrav
61b7579f77SDag-Erling Smørgrav	# permit unbound to use this port number or port range for
62b7579f77SDag-Erling Smørgrav	# making outgoing queries, using an outgoing interface.
63b7579f77SDag-Erling Smørgrav	# outgoing-port-permit: 32768
64b7579f77SDag-Erling Smørgrav
65b7579f77SDag-Erling Smørgrav	# deny unbound the use this of port number or port range for
66b7579f77SDag-Erling Smørgrav	# making outgoing queries, using an outgoing interface.
67b7579f77SDag-Erling Smørgrav	# Use this to make sure unbound does not grab a UDP port that some
68b7579f77SDag-Erling Smørgrav	# other server on this computer needs. The default is to avoid
69b7579f77SDag-Erling Smørgrav	# IANA-assigned port numbers.
708ed2b524SDag-Erling Smørgrav	# If multiple outgoing-port-permit and outgoing-port-avoid options
718ed2b524SDag-Erling Smørgrav	# are present, they are processed in order.
72b7579f77SDag-Erling Smørgrav	# outgoing-port-avoid: "3200-3208"
73b7579f77SDag-Erling Smørgrav
74b7579f77SDag-Erling Smørgrav	# number of outgoing simultaneous tcp buffers to hold per thread.
75b7579f77SDag-Erling Smørgrav	# outgoing-num-tcp: 10
76b7579f77SDag-Erling Smørgrav
77b7579f77SDag-Erling Smørgrav	# number of incoming simultaneous tcp buffers to hold per thread.
78b7579f77SDag-Erling Smørgrav	# incoming-num-tcp: 10
79b7579f77SDag-Erling Smørgrav
80b7579f77SDag-Erling Smørgrav	# buffer size for UDP port 53 incoming (SO_RCVBUF socket option).
81b7579f77SDag-Erling Smørgrav	# 0 is system default.  Use 4m to catch query spikes for busy servers.
82b7579f77SDag-Erling Smørgrav	# so-rcvbuf: 0
83b7579f77SDag-Erling Smørgrav
84b7579f77SDag-Erling Smørgrav	# buffer size for UDP port 53 outgoing (SO_SNDBUF socket option).
85b7579f77SDag-Erling Smørgrav	# 0 is system default.  Use 4m to handle spikes on very busy servers.
86b7579f77SDag-Erling Smørgrav	# so-sndbuf: 0
87b7579f77SDag-Erling Smørgrav
88ff825849SDag-Erling Smørgrav	# use SO_REUSEPORT to distribute queries over threads.
8917d15b25SDag-Erling Smørgrav	# so-reuseport: no
9017d15b25SDag-Erling Smørgrav
91*09a3aaf3SDag-Erling Smørgrav	# use IP_TRANSPARENT so the interface: addresses can be non-local
92*09a3aaf3SDag-Erling Smørgrav	# and you can config non-existing IPs that are going to work later on
93*09a3aaf3SDag-Erling Smørgrav	# ip-transparent: no
94*09a3aaf3SDag-Erling Smørgrav
95b7579f77SDag-Erling Smørgrav	# EDNS reassembly buffer to advertise to UDP peers (the actual buffer
96b7579f77SDag-Erling Smørgrav	# is set with msg-buffer-size). 1480 can solve fragmentation (timeouts).
97b7579f77SDag-Erling Smørgrav	# edns-buffer-size: 4096
98b7579f77SDag-Erling Smørgrav
9917d15b25SDag-Erling Smørgrav	# Maximum UDP response size (not applied to TCP response).
10017d15b25SDag-Erling Smørgrav	# Suggested values are 512 to 4096. Default is 4096. 65536 disables it.
10117d15b25SDag-Erling Smørgrav	# max-udp-size: 4096
10217d15b25SDag-Erling Smørgrav
103b7579f77SDag-Erling Smørgrav	# buffer size for handling DNS data. No messages larger than this
104b7579f77SDag-Erling Smørgrav	# size can be sent or received, by UDP or TCP. In bytes.
105b7579f77SDag-Erling Smørgrav	# msg-buffer-size: 65552
106b7579f77SDag-Erling Smørgrav
107b7579f77SDag-Erling Smørgrav	# the amount of memory to use for the message cache.
108b7579f77SDag-Erling Smørgrav	# plain value in bytes or you can append k, m or G. default is "4Mb".
109b7579f77SDag-Erling Smørgrav	# msg-cache-size: 4m
110b7579f77SDag-Erling Smørgrav
111b7579f77SDag-Erling Smørgrav	# the number of slabs to use for the message cache.
112b7579f77SDag-Erling Smørgrav	# the number of slabs must be a power of 2.
113b7579f77SDag-Erling Smørgrav	# more slabs reduce lock contention, but fragment memory usage.
114b7579f77SDag-Erling Smørgrav	# msg-cache-slabs: 4
115b7579f77SDag-Erling Smørgrav
116b7579f77SDag-Erling Smørgrav	# the number of queries that a thread gets to service.
117b7579f77SDag-Erling Smørgrav	# num-queries-per-thread: 1024
118b7579f77SDag-Erling Smørgrav
119b7579f77SDag-Erling Smørgrav	# if very busy, 50% queries run to completion, 50% get timeout in msec
120b7579f77SDag-Erling Smørgrav	# jostle-timeout: 200
121b7579f77SDag-Erling Smørgrav
12217d15b25SDag-Erling Smørgrav	# msec to wait before close of port on timeout UDP. 0 disables.
12317d15b25SDag-Erling Smørgrav	# delay-close: 0
12417d15b25SDag-Erling Smørgrav
125b7579f77SDag-Erling Smørgrav	# the amount of memory to use for the RRset cache.
126b7579f77SDag-Erling Smørgrav	# plain value in bytes or you can append k, m or G. default is "4Mb".
127b7579f77SDag-Erling Smørgrav	# rrset-cache-size: 4m
128b7579f77SDag-Erling Smørgrav
129b7579f77SDag-Erling Smørgrav	# the number of slabs to use for the RRset cache.
130b7579f77SDag-Erling Smørgrav	# the number of slabs must be a power of 2.
131b7579f77SDag-Erling Smørgrav	# more slabs reduce lock contention, but fragment memory usage.
132b7579f77SDag-Erling Smørgrav	# rrset-cache-slabs: 4
133b7579f77SDag-Erling Smørgrav
134b7579f77SDag-Erling Smørgrav	# the time to live (TTL) value lower bound, in seconds. Default 0.
135b7579f77SDag-Erling Smørgrav	# If more than an hour could easily give trouble due to stale data.
136b7579f77SDag-Erling Smørgrav	# cache-min-ttl: 0
137b7579f77SDag-Erling Smørgrav
138b7579f77SDag-Erling Smørgrav	# the time to live (TTL) value cap for RRsets and messages in the
139b7579f77SDag-Erling Smørgrav	# cache. Items are not cached for longer. In seconds.
140b7579f77SDag-Erling Smørgrav	# cache-max-ttl: 86400
141b7579f77SDag-Erling Smørgrav
142*09a3aaf3SDag-Erling Smørgrav	# the time to live (TTL) value cap for negative responses in the cache
143*09a3aaf3SDag-Erling Smørgrav	# cache-max-negative-ttl: 3600
144*09a3aaf3SDag-Erling Smørgrav
145b7579f77SDag-Erling Smørgrav	# the time to live (TTL) value for cached roundtrip times, lameness and
146b7579f77SDag-Erling Smørgrav	# EDNS version information for hosts. In seconds.
147b7579f77SDag-Erling Smørgrav	# infra-host-ttl: 900
148b7579f77SDag-Erling Smørgrav
1496480faa8SDag-Erling Smørgrav	# minimum wait time for responses, increase if uplink is long. In msec.
1506480faa8SDag-Erling Smørgrav	# infra-cache-min-rtt: 50
1516480faa8SDag-Erling Smørgrav
152b7579f77SDag-Erling Smørgrav	# the number of slabs to use for the Infrastructure cache.
153b7579f77SDag-Erling Smørgrav	# the number of slabs must be a power of 2.
154b7579f77SDag-Erling Smørgrav	# more slabs reduce lock contention, but fragment memory usage.
155b7579f77SDag-Erling Smørgrav	# infra-cache-slabs: 4
156b7579f77SDag-Erling Smørgrav
157b7579f77SDag-Erling Smørgrav	# the maximum number of hosts that are cached (roundtrip, EDNS, lame).
158b7579f77SDag-Erling Smørgrav	# infra-cache-numhosts: 10000
159b7579f77SDag-Erling Smørgrav
160b7579f77SDag-Erling Smørgrav	# Enable IPv4, "yes" or "no".
161b7579f77SDag-Erling Smørgrav	# do-ip4: yes
162b7579f77SDag-Erling Smørgrav
163b7579f77SDag-Erling Smørgrav	# Enable IPv6, "yes" or "no".
164b7579f77SDag-Erling Smørgrav	# do-ip6: yes
165b7579f77SDag-Erling Smørgrav
166b7579f77SDag-Erling Smørgrav	# Enable UDP, "yes" or "no".
167b7579f77SDag-Erling Smørgrav	# do-udp: yes
168b7579f77SDag-Erling Smørgrav
169b7579f77SDag-Erling Smørgrav	# Enable TCP, "yes" or "no".
170b7579f77SDag-Erling Smørgrav	# do-tcp: yes
171b7579f77SDag-Erling Smørgrav
172b7579f77SDag-Erling Smørgrav	# upstream connections use TCP only (and no UDP), "yes" or "no"
173b7579f77SDag-Erling Smørgrav	# useful for tunneling scenarios, default no.
174b7579f77SDag-Erling Smørgrav	# tcp-upstream: no
175b7579f77SDag-Erling Smørgrav
176b7579f77SDag-Erling Smørgrav	# Detach from the terminal, run in background, "yes" or "no".
177b7579f77SDag-Erling Smørgrav	# do-daemonize: yes
178b7579f77SDag-Erling Smørgrav
179b7579f77SDag-Erling Smørgrav	# control which clients are allowed to make (recursive) queries
180b7579f77SDag-Erling Smørgrav	# to this server. Specify classless netblocks with /size and action.
181b7579f77SDag-Erling Smørgrav	# By default everything is refused, except for localhost.
182b7579f77SDag-Erling Smørgrav	# Choose deny (drop message), refuse (polite error reply),
183b7579f77SDag-Erling Smørgrav	# allow (recursive ok), allow_snoop (recursive and nonrecursive ok)
18417d15b25SDag-Erling Smørgrav	# deny_non_local (drop queries unless can be answered from local-data)
18517d15b25SDag-Erling Smørgrav	# refuse_non_local (like deny_non_local but polite error reply).
186b7579f77SDag-Erling Smørgrav	# access-control: 0.0.0.0/0 refuse
187b7579f77SDag-Erling Smørgrav	# access-control: 127.0.0.0/8 allow
188b7579f77SDag-Erling Smørgrav	# access-control: ::0/0 refuse
189b7579f77SDag-Erling Smørgrav	# access-control: ::1 allow
190b7579f77SDag-Erling Smørgrav	# access-control: ::ffff:127.0.0.1 allow
191b7579f77SDag-Erling Smørgrav
192b7579f77SDag-Erling Smørgrav	# if given, a chroot(2) is done to the given directory.
193b7579f77SDag-Erling Smørgrav	# i.e. you can chroot to the working directory, for example,
194b7579f77SDag-Erling Smørgrav	# for extra security, but make sure all files are in that directory.
195b7579f77SDag-Erling Smørgrav	#
196b7579f77SDag-Erling Smørgrav	# If chroot is enabled, you should pass the configfile (from the
197b7579f77SDag-Erling Smørgrav	# commandline) as a full path from the original root. After the
198b7579f77SDag-Erling Smørgrav	# chroot has been performed the now defunct portion of the config
199b7579f77SDag-Erling Smørgrav	# file path is removed to be able to reread the config after a reload.
200b7579f77SDag-Erling Smørgrav	#
201b7579f77SDag-Erling Smørgrav	# All other file paths (working dir, logfile, roothints, and
202b7579f77SDag-Erling Smørgrav	# key files) can be specified in several ways:
203b7579f77SDag-Erling Smørgrav	# 	o as an absolute path relative to the new root.
204b7579f77SDag-Erling Smørgrav	# 	o as a relative path to the working directory.
205b7579f77SDag-Erling Smørgrav	# 	o as an absolute path relative to the original root.
206b7579f77SDag-Erling Smørgrav	# In the last case the path is adjusted to remove the unused portion.
207b7579f77SDag-Erling Smørgrav	#
208b7579f77SDag-Erling Smørgrav	# The pid file can be absolute and outside of the chroot, it is
209b7579f77SDag-Erling Smørgrav	# written just prior to performing the chroot and dropping permissions.
210b7579f77SDag-Erling Smørgrav	#
211b7579f77SDag-Erling Smørgrav	# Additionally, unbound may need to access /dev/random (for entropy).
212b7579f77SDag-Erling Smørgrav	# How to do this is specific to your OS.
213b7579f77SDag-Erling Smørgrav	#
214b7579f77SDag-Erling Smørgrav	# If you give "" no chroot is performed. The path must not end in a /.
215b7579f77SDag-Erling Smørgrav	# chroot: "@UNBOUND_CHROOT_DIR@"
216b7579f77SDag-Erling Smørgrav
217b7579f77SDag-Erling Smørgrav	# if given, user privileges are dropped (after binding port),
218b7579f77SDag-Erling Smørgrav	# and the given username is assumed. Default is user "unbound".
219b7579f77SDag-Erling Smørgrav	# If you give "" no privileges are dropped.
220b7579f77SDag-Erling Smørgrav	# username: "@UNBOUND_USERNAME@"
221b7579f77SDag-Erling Smørgrav
222b7579f77SDag-Erling Smørgrav	# the working directory. The relative files in this config are
223b7579f77SDag-Erling Smørgrav	# relative to this directory. If you give "" the working directory
224b7579f77SDag-Erling Smørgrav	# is not changed.
225b7579f77SDag-Erling Smørgrav	# directory: "@UNBOUND_RUN_DIR@"
226b7579f77SDag-Erling Smørgrav
227b7579f77SDag-Erling Smørgrav	# the log file, "" means log to stderr.
228b7579f77SDag-Erling Smørgrav	# Use of this option sets use-syslog to "no".
229b7579f77SDag-Erling Smørgrav	# logfile: ""
230b7579f77SDag-Erling Smørgrav
231b7579f77SDag-Erling Smørgrav	# Log to syslog(3) if yes. The log facility LOG_DAEMON is used to
232b7579f77SDag-Erling Smørgrav	# log to, with identity "unbound". If yes, it overrides the logfile.
233b7579f77SDag-Erling Smørgrav	# use-syslog: yes
234b7579f77SDag-Erling Smørgrav
235b7579f77SDag-Erling Smørgrav	# print UTC timestamp in ascii to logfile, default is epoch in seconds.
236b7579f77SDag-Erling Smørgrav	# log-time-ascii: no
237b7579f77SDag-Erling Smørgrav
238b7579f77SDag-Erling Smørgrav	# print one line with time, IP, name, type, class for every query.
239b7579f77SDag-Erling Smørgrav	# log-queries: no
240b7579f77SDag-Erling Smørgrav
241b7579f77SDag-Erling Smørgrav	# the pid file. Can be an absolute path outside of chroot/work dir.
242b7579f77SDag-Erling Smørgrav	# pidfile: "@UNBOUND_PIDFILE@"
243b7579f77SDag-Erling Smørgrav
244b7579f77SDag-Erling Smørgrav	# file to read root hints from.
245b7579f77SDag-Erling Smørgrav	# get one from ftp://FTP.INTERNIC.NET/domain/named.cache
246b7579f77SDag-Erling Smørgrav	# root-hints: ""
247b7579f77SDag-Erling Smørgrav
248b7579f77SDag-Erling Smørgrav	# enable to not answer id.server and hostname.bind queries.
249b7579f77SDag-Erling Smørgrav	# hide-identity: no
250b7579f77SDag-Erling Smørgrav
251b7579f77SDag-Erling Smørgrav	# enable to not answer version.server and version.bind queries.
252b7579f77SDag-Erling Smørgrav	# hide-version: no
253b7579f77SDag-Erling Smørgrav
254b7579f77SDag-Erling Smørgrav	# the identity to report. Leave "" or default to return hostname.
255b7579f77SDag-Erling Smørgrav	# identity: ""
256b7579f77SDag-Erling Smørgrav
257b7579f77SDag-Erling Smørgrav	# the version to report. Leave "" or default to return package version.
258b7579f77SDag-Erling Smørgrav	# version: ""
259b7579f77SDag-Erling Smørgrav
260b7579f77SDag-Erling Smørgrav	# the target fetch policy.
261b7579f77SDag-Erling Smørgrav	# series of integers describing the policy per dependency depth.
262b7579f77SDag-Erling Smørgrav	# The number of values in the list determines the maximum dependency
263b7579f77SDag-Erling Smørgrav	# depth the recursor will pursue before giving up. Each integer means:
264b7579f77SDag-Erling Smørgrav	# 	-1 : fetch all targets opportunistically,
265b7579f77SDag-Erling Smørgrav	# 	0: fetch on demand,
266b7579f77SDag-Erling Smørgrav	#	positive value: fetch that many targets opportunistically.
267b7579f77SDag-Erling Smørgrav	# Enclose the list of numbers between quotes ("").
268b7579f77SDag-Erling Smørgrav	# target-fetch-policy: "3 2 1 0 0"
269b7579f77SDag-Erling Smørgrav
270b7579f77SDag-Erling Smørgrav	# Harden against very small EDNS buffer sizes.
271b7579f77SDag-Erling Smørgrav	# harden-short-bufsize: no
272b7579f77SDag-Erling Smørgrav
273b7579f77SDag-Erling Smørgrav	# Harden against unseemly large queries.
274b7579f77SDag-Erling Smørgrav	# harden-large-queries: no
275b7579f77SDag-Erling Smørgrav
276b7579f77SDag-Erling Smørgrav	# Harden against out of zone rrsets, to avoid spoofing attempts.
277b7579f77SDag-Erling Smørgrav	# harden-glue: yes
278b7579f77SDag-Erling Smørgrav
279b7579f77SDag-Erling Smørgrav	# Harden against receiving dnssec-stripped data. If you turn it
280b7579f77SDag-Erling Smørgrav	# off, failing to validate dnskey data for a trustanchor will
281b7579f77SDag-Erling Smørgrav	# trigger insecure mode for that zone (like without a trustanchor).
282b7579f77SDag-Erling Smørgrav	# Default on, which insists on dnssec data for trust-anchored zones.
283b7579f77SDag-Erling Smørgrav	# harden-dnssec-stripped: yes
284b7579f77SDag-Erling Smørgrav
285b7579f77SDag-Erling Smørgrav	# Harden against queries that fall under dnssec-signed nxdomain names.
286b7579f77SDag-Erling Smørgrav	# harden-below-nxdomain: no
287b7579f77SDag-Erling Smørgrav
288b7579f77SDag-Erling Smørgrav        # Harden the referral path by performing additional queries for
289b7579f77SDag-Erling Smørgrav	# infrastructure data.  Validates the replies (if possible).
290b7579f77SDag-Erling Smørgrav	# Default off, because the lookups burden the server.  Experimental
291b7579f77SDag-Erling Smørgrav	# implementation of draft-wijngaards-dnsext-resolver-side-mitigation.
292b7579f77SDag-Erling Smørgrav	# harden-referral-path: no
293b7579f77SDag-Erling Smørgrav
294*09a3aaf3SDag-Erling Smørgrav	# Harden against algorithm downgrade when multiple algorithms are
295*09a3aaf3SDag-Erling Smørgrav	# advertised in the DS record.  If no, allows the weakest algorithm
296*09a3aaf3SDag-Erling Smørgrav	# to validate the zone.
297*09a3aaf3SDag-Erling Smørgrav	# harden-algo-downgrade: yes
298*09a3aaf3SDag-Erling Smørgrav
299b7579f77SDag-Erling Smørgrav	# Use 0x20-encoded random bits in the query to foil spoof attempts.
300b7579f77SDag-Erling Smørgrav	# This feature is an experimental implementation of draft dns-0x20.
301b7579f77SDag-Erling Smørgrav	# use-caps-for-id: no
302b7579f77SDag-Erling Smørgrav
303*09a3aaf3SDag-Erling Smørgrav	# Domains (and domains in them) without support for dns-0x20 and
304*09a3aaf3SDag-Erling Smørgrav	# the fallback fails because they keep sending different answers.
305*09a3aaf3SDag-Erling Smørgrav	# caps-whitelist: "licdn.com"
306*09a3aaf3SDag-Erling Smørgrav
307b7579f77SDag-Erling Smørgrav	# Enforce privacy of these addresses. Strips them away from answers.
308b7579f77SDag-Erling Smørgrav	# It may cause DNSSEC validation to additionally mark it as bogus.
309b7579f77SDag-Erling Smørgrav	# Protects against 'DNS Rebinding' (uses browser as network proxy).
310b7579f77SDag-Erling Smørgrav	# Only 'private-domain' and 'local-data' names are allowed to have
311b7579f77SDag-Erling Smørgrav	# these private addresses. No default.
312b7579f77SDag-Erling Smørgrav	# private-address: 10.0.0.0/8
313b7579f77SDag-Erling Smørgrav	# private-address: 172.16.0.0/12
314b7579f77SDag-Erling Smørgrav	# private-address: 192.168.0.0/16
315b7579f77SDag-Erling Smørgrav	# private-address: 169.254.0.0/16
316b7579f77SDag-Erling Smørgrav	# private-address: fd00::/8
317b7579f77SDag-Erling Smørgrav	# private-address: fe80::/10
318b7579f77SDag-Erling Smørgrav
319b7579f77SDag-Erling Smørgrav	# Allow the domain (and its subdomains) to contain private addresses.
320b7579f77SDag-Erling Smørgrav	# local-data statements are allowed to contain private addresses too.
321b7579f77SDag-Erling Smørgrav	# private-domain: "example.com"
322b7579f77SDag-Erling Smørgrav
323b7579f77SDag-Erling Smørgrav	# If nonzero, unwanted replies are not only reported in statistics,
324b7579f77SDag-Erling Smørgrav	# but also a running total is kept per thread. If it reaches the
325b7579f77SDag-Erling Smørgrav	# threshold, a warning is printed and a defensive action is taken,
326b7579f77SDag-Erling Smørgrav	# the cache is cleared to flush potential poison out of it.
327b7579f77SDag-Erling Smørgrav	# A suggested value is 10000000, the default is 0 (turned off).
328b7579f77SDag-Erling Smørgrav	# unwanted-reply-threshold: 0
329b7579f77SDag-Erling Smørgrav
330b7579f77SDag-Erling Smørgrav	# Do not query the following addresses. No DNS queries are sent there.
331b7579f77SDag-Erling Smørgrav	# List one address per entry. List classless netblocks with /size,
332b7579f77SDag-Erling Smørgrav	# do-not-query-address: 127.0.0.1/8
333b7579f77SDag-Erling Smørgrav	# do-not-query-address: ::1
334b7579f77SDag-Erling Smørgrav
335b7579f77SDag-Erling Smørgrav	# if yes, the above default do-not-query-address entries are present.
336b7579f77SDag-Erling Smørgrav	# if no, localhost can be queried (for testing and debugging).
337b7579f77SDag-Erling Smørgrav	# do-not-query-localhost: yes
338b7579f77SDag-Erling Smørgrav
339b7579f77SDag-Erling Smørgrav	# if yes, perform prefetching of almost expired message cache entries.
340b7579f77SDag-Erling Smørgrav	# prefetch: no
341b7579f77SDag-Erling Smørgrav
342b7579f77SDag-Erling Smørgrav	# if yes, perform key lookups adjacent to normal lookups.
343b7579f77SDag-Erling Smørgrav	# prefetch-key: no
344b7579f77SDag-Erling Smørgrav
345b7579f77SDag-Erling Smørgrav	# if yes, Unbound rotates RRSet order in response.
346b7579f77SDag-Erling Smørgrav	# rrset-roundrobin: no
347b7579f77SDag-Erling Smørgrav
348b7579f77SDag-Erling Smørgrav	# if yes, Unbound doesn't insert authority/additional sections
349b7579f77SDag-Erling Smørgrav	# into response messages when those sections are not required.
350b7579f77SDag-Erling Smørgrav	# minimal-responses: no
351b7579f77SDag-Erling Smørgrav
352b7579f77SDag-Erling Smørgrav	# module configuration of the server. A string with identifiers
353ff825849SDag-Erling Smørgrav	# separated by spaces. Syntax: "[dns64] [validator] iterator"
354b7579f77SDag-Erling Smørgrav	# module-config: "validator iterator"
355b7579f77SDag-Erling Smørgrav
356b7579f77SDag-Erling Smørgrav	# File with trusted keys, kept uptodate using RFC5011 probes,
357b7579f77SDag-Erling Smørgrav	# initial file like trust-anchor-file, then it stores metadata.
358b7579f77SDag-Erling Smørgrav	# Use several entries, one per domain name, to track multiple zones.
359b7579f77SDag-Erling Smørgrav	#
360b7579f77SDag-Erling Smørgrav	# If you want to perform DNSSEC validation, run unbound-anchor before
361b7579f77SDag-Erling Smørgrav	# you start unbound (i.e. in the system boot scripts).  And enable:
362b7579f77SDag-Erling Smørgrav	# Please note usage of unbound-anchor root anchor is at your own risk
363b7579f77SDag-Erling Smørgrav	# and under the terms of our LICENSE (see that file in the source).
364b7579f77SDag-Erling Smørgrav	# auto-trust-anchor-file: "@UNBOUND_ROOTKEY_FILE@"
365b7579f77SDag-Erling Smørgrav
366b7579f77SDag-Erling Smørgrav	# File with DLV trusted keys. Same format as trust-anchor-file.
367b7579f77SDag-Erling Smørgrav	# There can be only one DLV configured, it is trusted from root down.
368*09a3aaf3SDag-Erling Smørgrav	# DLV is going to be decommissioned.  Please do not use it any more.
369b7579f77SDag-Erling Smørgrav	# dlv-anchor-file: "dlv.isc.org.key"
370b7579f77SDag-Erling Smørgrav
371b7579f77SDag-Erling Smørgrav	# File with trusted keys for validation. Specify more than one file
372b7579f77SDag-Erling Smørgrav	# with several entries, one file per entry.
373b7579f77SDag-Erling Smørgrav	# Zone file format, with DS and DNSKEY entries.
374b7579f77SDag-Erling Smørgrav	# Note this gets out of date, use auto-trust-anchor-file please.
375b7579f77SDag-Erling Smørgrav	# trust-anchor-file: ""
376b7579f77SDag-Erling Smørgrav
377b7579f77SDag-Erling Smørgrav	# Trusted key for validation. DS or DNSKEY. specify the RR on a
378b7579f77SDag-Erling Smørgrav	# single line, surrounded by "". TTL is ignored. class is IN default.
379b7579f77SDag-Erling Smørgrav	# Note this gets out of date, use auto-trust-anchor-file please.
380b7579f77SDag-Erling Smørgrav	# (These examples are from August 2007 and may not be valid anymore).
381b7579f77SDag-Erling Smørgrav	# trust-anchor: "nlnetlabs.nl. DNSKEY 257 3 5 AQPzzTWMz8qSWIQlfRnPckx2BiVmkVN6LPupO3mbz7FhLSnm26n6iG9N Lby97Ji453aWZY3M5/xJBSOS2vWtco2t8C0+xeO1bc/d6ZTy32DHchpW 6rDH1vp86Ll+ha0tmwyy9QP7y2bVw5zSbFCrefk8qCUBgfHm9bHzMG1U BYtEIQ=="
382b7579f77SDag-Erling Smørgrav	# trust-anchor: "jelte.nlnetlabs.nl. DS 42860 5 1 14D739EB566D2B1A5E216A0BA4D17FA9B038BE4A"
383b7579f77SDag-Erling Smørgrav
384b7579f77SDag-Erling Smørgrav	# File with trusted keys for validation. Specify more than one file
385b7579f77SDag-Erling Smørgrav	# with several entries, one file per entry. Like trust-anchor-file
386b7579f77SDag-Erling Smørgrav	# but has a different file format. Format is BIND-9 style format,
387b7579f77SDag-Erling Smørgrav	# the trusted-keys { name flag proto algo "key"; }; clauses are read.
388b7579f77SDag-Erling Smørgrav	# you need external update procedures to track changes in keys.
389b7579f77SDag-Erling Smørgrav	# trusted-keys-file: ""
390b7579f77SDag-Erling Smørgrav
391b7579f77SDag-Erling Smørgrav	# Ignore chain of trust. Domain is treated as insecure.
392b7579f77SDag-Erling Smørgrav	# domain-insecure: "example.com"
393b7579f77SDag-Erling Smørgrav
394b7579f77SDag-Erling Smørgrav	# Override the date for validation with a specific fixed date.
395b7579f77SDag-Erling Smørgrav	# Do not set this unless you are debugging signature inception
396b7579f77SDag-Erling Smørgrav	# and expiration. "" or "0" turns the feature off. -1 ignores date.
397b7579f77SDag-Erling Smørgrav	# val-override-date: ""
398b7579f77SDag-Erling Smørgrav
399b7579f77SDag-Erling Smørgrav	# The time to live for bogus data, rrsets and messages. This avoids
400b7579f77SDag-Erling Smørgrav	# some of the revalidation, until the time interval expires. in secs.
401b7579f77SDag-Erling Smørgrav	# val-bogus-ttl: 60
402b7579f77SDag-Erling Smørgrav
403b7579f77SDag-Erling Smørgrav	# The signature inception and expiration dates are allowed to be off
404b7579f77SDag-Erling Smørgrav	# by 10% of the signature lifetime (expir-incep) from our local clock.
405b7579f77SDag-Erling Smørgrav	# This leeway is capped with a minimum and a maximum.  In seconds.
406b7579f77SDag-Erling Smørgrav	# val-sig-skew-min: 3600
407b7579f77SDag-Erling Smørgrav	# val-sig-skew-max: 86400
408b7579f77SDag-Erling Smørgrav
409b7579f77SDag-Erling Smørgrav	# Should additional section of secure message also be kept clean of
410b7579f77SDag-Erling Smørgrav	# unsecure data. Useful to shield the users of this validator from
411b7579f77SDag-Erling Smørgrav	# potential bogus data in the additional section. All unsigned data
412b7579f77SDag-Erling Smørgrav	# in the additional section is removed from secure messages.
413b7579f77SDag-Erling Smørgrav	# val-clean-additional: yes
414b7579f77SDag-Erling Smørgrav
415b7579f77SDag-Erling Smørgrav	# Turn permissive mode on to permit bogus messages. Thus, messages
416b7579f77SDag-Erling Smørgrav	# for which security checks failed will be returned to clients,
417b7579f77SDag-Erling Smørgrav	# instead of SERVFAIL. It still performs the security checks, which
418b7579f77SDag-Erling Smørgrav	# result in interesting log files and possibly the AD bit in
419b7579f77SDag-Erling Smørgrav	# replies if the message is found secure. The default is off.
420b7579f77SDag-Erling Smørgrav	# val-permissive-mode: no
421b7579f77SDag-Erling Smørgrav
422b7579f77SDag-Erling Smørgrav	# Ignore the CD flag in incoming queries and refuse them bogus data.
423b7579f77SDag-Erling Smørgrav	# Enable it if the only clients of unbound are legacy servers (w2008)
424b7579f77SDag-Erling Smørgrav	# that set CD but cannot validate themselves.
425b7579f77SDag-Erling Smørgrav	# ignore-cd-flag: no
426b7579f77SDag-Erling Smørgrav
427b7579f77SDag-Erling Smørgrav	# Have the validator log failed validations for your diagnosis.
428b7579f77SDag-Erling Smørgrav	# 0: off. 1: A line per failed user query. 2: With reason and bad IP.
429b7579f77SDag-Erling Smørgrav	# val-log-level: 0
430b7579f77SDag-Erling Smørgrav
431b7579f77SDag-Erling Smørgrav	# It is possible to configure NSEC3 maximum iteration counts per
432b7579f77SDag-Erling Smørgrav	# keysize. Keep this table very short, as linear search is done.
433b7579f77SDag-Erling Smørgrav	# A message with an NSEC3 with larger count is marked insecure.
434b7579f77SDag-Erling Smørgrav	# List in ascending order the keysize and count values.
435b7579f77SDag-Erling Smørgrav	# val-nsec3-keysize-iterations: "1024 150 2048 500 4096 2500"
436b7579f77SDag-Erling Smørgrav
437b7579f77SDag-Erling Smørgrav	# instruct the auto-trust-anchor-file probing to add anchors after ttl.
438b7579f77SDag-Erling Smørgrav	# add-holddown: 2592000 # 30 days
439b7579f77SDag-Erling Smørgrav
440b7579f77SDag-Erling Smørgrav	# instruct the auto-trust-anchor-file probing to del anchors after ttl.
441b7579f77SDag-Erling Smørgrav	# del-holddown: 2592000 # 30 days
442b7579f77SDag-Erling Smørgrav
443b7579f77SDag-Erling Smørgrav	# auto-trust-anchor-file probing removes missing anchors after ttl.
444b7579f77SDag-Erling Smørgrav	# If the value 0 is given, missing anchors are not removed.
445b7579f77SDag-Erling Smørgrav	# keep-missing: 31622400 # 366 days
446b7579f77SDag-Erling Smørgrav
447b7579f77SDag-Erling Smørgrav	# the amount of memory to use for the key cache.
448b7579f77SDag-Erling Smørgrav	# plain value in bytes or you can append k, m or G. default is "4Mb".
449b7579f77SDag-Erling Smørgrav	# key-cache-size: 4m
450b7579f77SDag-Erling Smørgrav
451b7579f77SDag-Erling Smørgrav	# the number of slabs to use for the key cache.
452b7579f77SDag-Erling Smørgrav	# the number of slabs must be a power of 2.
453b7579f77SDag-Erling Smørgrav	# more slabs reduce lock contention, but fragment memory usage.
454b7579f77SDag-Erling Smørgrav	# key-cache-slabs: 4
455b7579f77SDag-Erling Smørgrav
456b7579f77SDag-Erling Smørgrav	# the amount of memory to use for the negative cache (used for DLV).
457b7579f77SDag-Erling Smørgrav	# plain value in bytes or you can append k, m or G. default is "1Mb".
458b7579f77SDag-Erling Smørgrav	# neg-cache-size: 1m
459b7579f77SDag-Erling Smørgrav
46017d15b25SDag-Erling Smørgrav	# By default, for a number of zones a small default 'nothing here'
46117d15b25SDag-Erling Smørgrav	# reply is built-in.  Query traffic is thus blocked.  If you
46217d15b25SDag-Erling Smørgrav	# wish to serve such zone you can unblock them by uncommenting one
46317d15b25SDag-Erling Smørgrav	# of the nodefault statements below.
46417d15b25SDag-Erling Smørgrav	# You may also have to use domain-insecure: zone to make DNSSEC work,
46517d15b25SDag-Erling Smørgrav	# unless you have your own trust anchors for this zone.
46617d15b25SDag-Erling Smørgrav	# local-zone: "localhost." nodefault
46717d15b25SDag-Erling Smørgrav	# local-zone: "127.in-addr.arpa." nodefault
46817d15b25SDag-Erling Smørgrav	# 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
46917d15b25SDag-Erling Smørgrav	# local-zone: "10.in-addr.arpa." nodefault
47017d15b25SDag-Erling Smørgrav	# local-zone: "16.172.in-addr.arpa." nodefault
47117d15b25SDag-Erling Smørgrav	# local-zone: "17.172.in-addr.arpa." nodefault
47217d15b25SDag-Erling Smørgrav	# local-zone: "18.172.in-addr.arpa." nodefault
47317d15b25SDag-Erling Smørgrav	# local-zone: "19.172.in-addr.arpa." nodefault
47417d15b25SDag-Erling Smørgrav	# local-zone: "20.172.in-addr.arpa." nodefault
47517d15b25SDag-Erling Smørgrav	# local-zone: "21.172.in-addr.arpa." nodefault
47617d15b25SDag-Erling Smørgrav	# local-zone: "22.172.in-addr.arpa." nodefault
47717d15b25SDag-Erling Smørgrav	# local-zone: "23.172.in-addr.arpa." nodefault
47817d15b25SDag-Erling Smørgrav	# local-zone: "24.172.in-addr.arpa." nodefault
47917d15b25SDag-Erling Smørgrav	# local-zone: "25.172.in-addr.arpa." nodefault
48017d15b25SDag-Erling Smørgrav	# local-zone: "26.172.in-addr.arpa." nodefault
48117d15b25SDag-Erling Smørgrav	# local-zone: "27.172.in-addr.arpa." nodefault
48217d15b25SDag-Erling Smørgrav	# local-zone: "28.172.in-addr.arpa." nodefault
48317d15b25SDag-Erling Smørgrav	# local-zone: "29.172.in-addr.arpa." nodefault
48417d15b25SDag-Erling Smørgrav	# local-zone: "30.172.in-addr.arpa." nodefault
48517d15b25SDag-Erling Smørgrav	# local-zone: "31.172.in-addr.arpa." nodefault
48617d15b25SDag-Erling Smørgrav	# local-zone: "168.192.in-addr.arpa." nodefault
48717d15b25SDag-Erling Smørgrav	# local-zone: "0.in-addr.arpa." nodefault
48817d15b25SDag-Erling Smørgrav	# local-zone: "254.169.in-addr.arpa." nodefault
48917d15b25SDag-Erling Smørgrav	# local-zone: "2.0.192.in-addr.arpa." nodefault
49017d15b25SDag-Erling Smørgrav	# local-zone: "100.51.198.in-addr.arpa." nodefault
49117d15b25SDag-Erling Smørgrav	# local-zone: "113.0.203.in-addr.arpa." nodefault
49217d15b25SDag-Erling Smørgrav	# local-zone: "255.255.255.255.in-addr.arpa." nodefault
49317d15b25SDag-Erling Smørgrav	# 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
49417d15b25SDag-Erling Smørgrav	# local-zone: "d.f.ip6.arpa." nodefault
49517d15b25SDag-Erling Smørgrav	# local-zone: "8.e.f.ip6.arpa." nodefault
49617d15b25SDag-Erling Smørgrav	# local-zone: "9.e.f.ip6.arpa." nodefault
49717d15b25SDag-Erling Smørgrav	# local-zone: "a.e.f.ip6.arpa." nodefault
49817d15b25SDag-Erling Smørgrav	# local-zone: "b.e.f.ip6.arpa." nodefault
49917d15b25SDag-Erling Smørgrav	# local-zone: "8.b.d.0.1.0.0.2.ip6.arpa." nodefault
500ff825849SDag-Erling Smørgrav	# And for 64.100.in-addr.arpa. to 127.100.in-addr.arpa.
501ff825849SDag-Erling Smørgrav
502ff825849SDag-Erling Smørgrav	# if unbound is running service for the local host then it is useful
503ff825849SDag-Erling Smørgrav	# to perform lan-wide lookups to the upstream, and unblock the
504ff825849SDag-Erling Smørgrav	# long list of local-zones above.  If this unbound is a dns server
505ff825849SDag-Erling Smørgrav	# for a network of computers, disabled is better and stops information
506ff825849SDag-Erling Smørgrav	# leakage of local lan information.
507ff825849SDag-Erling Smørgrav	# unblock-lan-zones: no
50817d15b25SDag-Erling Smørgrav
509b7579f77SDag-Erling Smørgrav	# a number of locally served zones can be configured.
510b7579f77SDag-Erling Smørgrav	# 	local-zone: <zone> <type>
511b7579f77SDag-Erling Smørgrav	# 	local-data: "<resource record string>"
512b7579f77SDag-Erling Smørgrav	# o deny serves local data (if any), else, drops queries.
513b7579f77SDag-Erling Smørgrav	# o refuse serves local data (if any), else, replies with error.
514b7579f77SDag-Erling Smørgrav	# o static serves local data, else, nxdomain or nodata answer.
515b7579f77SDag-Erling Smørgrav	# o transparent gives local data, but resolves normally for other names
516b7579f77SDag-Erling Smørgrav	# o redirect serves the zone data for any subdomain in the zone.
517b7579f77SDag-Erling Smørgrav	# o nodefault can be used to normally resolve AS112 zones.
518b7579f77SDag-Erling Smørgrav	# o typetransparent resolves normally for other types and other names
5196480faa8SDag-Erling Smørgrav	# o inform resolves normally, but logs client IP address
520*09a3aaf3SDag-Erling Smørgrav	# o inform_deny drops queries and logs client IP address
521b7579f77SDag-Erling Smørgrav	#
522b7579f77SDag-Erling Smørgrav	# defaults are localhost address, reverse for 127.0.0.1 and ::1
523b7579f77SDag-Erling Smørgrav	# and nxdomain for AS112 zones. If you configure one of these zones
524b7579f77SDag-Erling Smørgrav	# the default content is omitted, or you can omit it with 'nodefault'.
525b7579f77SDag-Erling Smørgrav	#
526b7579f77SDag-Erling Smørgrav	# If you configure local-data without specifying local-zone, by
527b7579f77SDag-Erling Smørgrav	# default a transparent local-zone is created for the data.
528b7579f77SDag-Erling Smørgrav	#
529b7579f77SDag-Erling Smørgrav	# You can add locally served data with
530b7579f77SDag-Erling Smørgrav	# local-zone: "local." static
531b7579f77SDag-Erling Smørgrav	# local-data: "mycomputer.local. IN A 192.0.2.51"
532b7579f77SDag-Erling Smørgrav	# local-data: 'mytext.local TXT "content of text record"'
533b7579f77SDag-Erling Smørgrav	#
534b7579f77SDag-Erling Smørgrav	# You can override certain queries with
535b7579f77SDag-Erling Smørgrav	# local-data: "adserver.example.com A 127.0.0.1"
536b7579f77SDag-Erling Smørgrav	#
537b7579f77SDag-Erling Smørgrav	# You can redirect a domain to a fixed address with
538b7579f77SDag-Erling Smørgrav	# (this makes example.com, www.example.com, etc, all go to 192.0.2.3)
539b7579f77SDag-Erling Smørgrav	# local-zone: "example.com" redirect
540b7579f77SDag-Erling Smørgrav	# local-data: "example.com A 192.0.2.3"
541b7579f77SDag-Erling Smørgrav	#
542b7579f77SDag-Erling Smørgrav	# Shorthand to make PTR records, "IPv4 name" or "IPv6 name".
543b7579f77SDag-Erling Smørgrav	# You can also add PTR records using local-data directly, but then
544b7579f77SDag-Erling Smørgrav	# you need to do the reverse notation yourself.
545b7579f77SDag-Erling Smørgrav	# local-data-ptr: "192.0.2.3 www.example.com"
546b7579f77SDag-Erling Smørgrav
547b7579f77SDag-Erling Smørgrav	# service clients over SSL (on the TCP sockets), with plain DNS inside
548b7579f77SDag-Erling Smørgrav	# the SSL stream.  Give the certificate to use and private key.
549b7579f77SDag-Erling Smørgrav	# default is "" (disabled).  requires restart to take effect.
550b7579f77SDag-Erling Smørgrav	# ssl-service-key: "path/to/privatekeyfile.key"
551b7579f77SDag-Erling Smørgrav	# ssl-service-pem: "path/to/publiccertfile.pem"
552b7579f77SDag-Erling Smørgrav	# ssl-port: 443
553b7579f77SDag-Erling Smørgrav
554b7579f77SDag-Erling Smørgrav	# request upstream over SSL (with plain DNS inside the SSL stream).
555b7579f77SDag-Erling Smørgrav	# Default is no.  Can be turned on and off with unbound-control.
556b7579f77SDag-Erling Smørgrav	# ssl-upstream: no
557b7579f77SDag-Erling Smørgrav
558ff825849SDag-Erling Smørgrav	# DNS64 prefix. Must be specified when DNS64 is use.
559ff825849SDag-Erling Smørgrav	# Enable dns64 in module-config.  Used to synthesize IPv6 from IPv4.
560ff825849SDag-Erling Smørgrav	# dns64-prefix: 64:ff9b::0/96
561ff825849SDag-Erling Smørgrav
562*09a3aaf3SDag-Erling Smørgrav	# ratelimit for uncached, new queries, this limits recursion effort.
563*09a3aaf3SDag-Erling Smørgrav	# ratelimiting is experimental, and may help against randomqueryflood.
564*09a3aaf3SDag-Erling Smørgrav	# if 0(default) it is disabled, otherwise state qps allowed per zone.
565*09a3aaf3SDag-Erling Smørgrav	# ratelimit: 0
566*09a3aaf3SDag-Erling Smørgrav
567*09a3aaf3SDag-Erling Smørgrav	# ratelimits are tracked in a cache, size in bytes of cache (or k,m).
568*09a3aaf3SDag-Erling Smørgrav	# ratelimit-size: 4m
569*09a3aaf3SDag-Erling Smørgrav	# ratelimit cache slabs, reduces lock contention if equal to cpucount.
570*09a3aaf3SDag-Erling Smørgrav	# ratelimit-slabs: 4
571*09a3aaf3SDag-Erling Smørgrav
572*09a3aaf3SDag-Erling Smørgrav	# 0 blocks when ratelimited, otherwise let 1/xth traffic through
573*09a3aaf3SDag-Erling Smørgrav	# ratelimit-factor: 10
574*09a3aaf3SDag-Erling Smørgrav
575*09a3aaf3SDag-Erling Smørgrav	# override the ratelimit for a specific domain name.
576*09a3aaf3SDag-Erling Smørgrav	# give this setting multiple times to have multiple overrides.
577*09a3aaf3SDag-Erling Smørgrav	# ratelimit-for-domain: example.com 1000
578*09a3aaf3SDag-Erling Smørgrav	# override the ratelimits for all domains below a domain name
579*09a3aaf3SDag-Erling Smørgrav	# can give this multiple times, the name closest to the zone is used.
580*09a3aaf3SDag-Erling Smørgrav	# ratelimit-below-domain: example 1000
581*09a3aaf3SDag-Erling Smørgrav
582b7579f77SDag-Erling Smørgrav# Python config section. To enable:
583b7579f77SDag-Erling Smørgrav# o use --with-pythonmodule to configure before compiling.
584b7579f77SDag-Erling Smørgrav# o list python in the module-config string (above) to enable.
585b7579f77SDag-Erling Smørgrav# o and give a python-script to run.
586b7579f77SDag-Erling Smørgravpython:
587b7579f77SDag-Erling Smørgrav	# Script file to load
588b7579f77SDag-Erling Smørgrav	# python-script: "@UNBOUND_SHARE_DIR@/ubmodule-tst.py"
589b7579f77SDag-Erling Smørgrav
590b7579f77SDag-Erling Smørgrav# Remote control config section.
591b7579f77SDag-Erling Smørgravremote-control:
592b7579f77SDag-Erling Smørgrav	# Enable remote control with unbound-control(8) here.
593b7579f77SDag-Erling Smørgrav	# set up the keys and certificates with unbound-control-setup.
594b7579f77SDag-Erling Smørgrav	# control-enable: no
595b7579f77SDag-Erling Smørgrav
5966480faa8SDag-Erling Smørgrav	# Set to no and use an absolute path as control-interface to use
5976480faa8SDag-Erling Smørgrav	# a unix local named pipe for unbound-control.
5986480faa8SDag-Erling Smørgrav	# control-use-cert: yes
5996480faa8SDag-Erling Smørgrav
600b7579f77SDag-Erling Smørgrav	# what interfaces are listened to for remote control.
601b7579f77SDag-Erling Smørgrav	# give 0.0.0.0 and ::0 to listen to all interfaces.
602b7579f77SDag-Erling Smørgrav	# control-interface: 127.0.0.1
603b7579f77SDag-Erling Smørgrav	# control-interface: ::1
604b7579f77SDag-Erling Smørgrav
605b7579f77SDag-Erling Smørgrav	# port number for remote control operations.
606b7579f77SDag-Erling Smørgrav	# control-port: 8953
607b7579f77SDag-Erling Smørgrav
608b7579f77SDag-Erling Smørgrav	# unbound server key file.
609b7579f77SDag-Erling Smørgrav	# server-key-file: "@UNBOUND_RUN_DIR@/unbound_server.key"
610b7579f77SDag-Erling Smørgrav
611b7579f77SDag-Erling Smørgrav	# unbound server certificate file.
612b7579f77SDag-Erling Smørgrav	# server-cert-file: "@UNBOUND_RUN_DIR@/unbound_server.pem"
613b7579f77SDag-Erling Smørgrav
614b7579f77SDag-Erling Smørgrav	# unbound-control key file.
615b7579f77SDag-Erling Smørgrav	# control-key-file: "@UNBOUND_RUN_DIR@/unbound_control.key"
616b7579f77SDag-Erling Smørgrav
617b7579f77SDag-Erling Smørgrav	# unbound-control certificate file.
618b7579f77SDag-Erling Smørgrav	# control-cert-file: "@UNBOUND_RUN_DIR@/unbound_control.pem"
619b7579f77SDag-Erling Smørgrav
620b7579f77SDag-Erling Smørgrav# Stub zones.
621b7579f77SDag-Erling Smørgrav# Create entries like below, to make all queries for 'example.com' and
622b7579f77SDag-Erling Smørgrav# 'example.org' go to the given list of nameservers. list zero or more
623b7579f77SDag-Erling Smørgrav# nameservers by hostname or by ipaddress. If you set stub-prime to yes,
624b7579f77SDag-Erling Smørgrav# the list is treated as priming hints (default is no).
625b7579f77SDag-Erling Smørgrav# With stub-first yes, it attempts without the stub if it fails.
626b7579f77SDag-Erling Smørgrav# stub-zone:
627b7579f77SDag-Erling Smørgrav#	name: "example.com"
628b7579f77SDag-Erling Smørgrav#	stub-addr: 192.0.2.68
629b7579f77SDag-Erling Smørgrav#	stub-prime: no
630b7579f77SDag-Erling Smørgrav#	stub-first: no
631b7579f77SDag-Erling Smørgrav# stub-zone:
632b7579f77SDag-Erling Smørgrav#	name: "example.org"
633b7579f77SDag-Erling Smørgrav#	stub-host: ns.example.com.
634b7579f77SDag-Erling Smørgrav
635b7579f77SDag-Erling Smørgrav# Forward zones
636b7579f77SDag-Erling Smørgrav# Create entries like below, to make all queries for 'example.com' and
637b7579f77SDag-Erling Smørgrav# 'example.org' go to the given list of servers. These servers have to handle
638b7579f77SDag-Erling Smørgrav# recursion to other nameservers. List zero or more nameservers by hostname
639b7579f77SDag-Erling Smørgrav# or by ipaddress. Use an entry with name "." to forward all queries.
640b7579f77SDag-Erling Smørgrav# If you enable forward-first, it attempts without the forward if it fails.
641b7579f77SDag-Erling Smørgrav# forward-zone:
642b7579f77SDag-Erling Smørgrav# 	name: "example.com"
643b7579f77SDag-Erling Smørgrav# 	forward-addr: 192.0.2.68
644b7579f77SDag-Erling Smørgrav# 	forward-addr: 192.0.2.73@5355  # forward to port 5355.
645b7579f77SDag-Erling Smørgrav# 	forward-first: no
646b7579f77SDag-Erling Smørgrav# forward-zone:
647b7579f77SDag-Erling Smørgrav# 	name: "example.org"
648b7579f77SDag-Erling Smørgrav# 	forward-host: fwd.example.com
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