1b7579f77SDag-Erling Smørgrav# 2b7579f77SDag-Erling Smørgrav# Example configuration file. 3b7579f77SDag-Erling Smørgrav# 4*865f46b2SCy Schubert# See unbound.conf(5) man page, version 1.17.0. 5b7579f77SDag-Erling Smørgrav# 6b7579f77SDag-Erling Smørgrav# this is a comment. 7b7579f77SDag-Erling Smørgrav 825039b37SCy Schubert# Use this anywhere in the file to include other text into this file. 9b7579f77SDag-Erling Smørgrav#include: "otherfile.conf" 10b7579f77SDag-Erling Smørgrav 1125039b37SCy Schubert# Use this anywhere in the file to include other text, that explicitly starts a 1225039b37SCy Schubert# clause, into this file. Text after this directive needs to start a clause. 1325039b37SCy Schubert#include-toplevel: "otherfile.conf" 1425039b37SCy Schubert 15b7579f77SDag-Erling Smørgrav# The server clause sets the main parameters. 16b7579f77SDag-Erling Smørgravserver: 17b7579f77SDag-Erling Smørgrav # whitespace is not necessary, but looks cleaner. 18b7579f77SDag-Erling Smørgrav 19b7579f77SDag-Erling Smørgrav # verbosity number, 0 is least verbose. 1 is default. 20*865f46b2SCy Schubert # verbosity: 1 21b7579f77SDag-Erling Smørgrav 22b7579f77SDag-Erling Smørgrav # print statistics to the log (for every thread) every N seconds. 23b7579f77SDag-Erling Smørgrav # Set to "" or 0 to disable. Default is disabled. 24b7579f77SDag-Erling Smørgrav # statistics-interval: 0 25b7579f77SDag-Erling Smørgrav 2665b390aaSDag-Erling Smørgrav # enable shm for stats, default no. if you enable also enable 2765b390aaSDag-Erling Smørgrav # statistics-interval, every time it also writes stats to the 2865b390aaSDag-Erling Smørgrav # shared memory segment keyed with shm-key. 2965b390aaSDag-Erling Smørgrav # shm-enable: no 3065b390aaSDag-Erling Smørgrav 3165b390aaSDag-Erling Smørgrav # shm for stats uses this key, and key+1 for the shared mem segment. 3265b390aaSDag-Erling Smørgrav # shm-key: 11777 3365b390aaSDag-Erling Smørgrav 34b7579f77SDag-Erling Smørgrav # enable cumulative statistics, without clearing them after printing. 35b7579f77SDag-Erling Smørgrav # statistics-cumulative: no 36b7579f77SDag-Erling Smørgrav 37b7579f77SDag-Erling Smørgrav # enable extended statistics (query types, answer codes, status) 38b7579f77SDag-Erling Smørgrav # printed from unbound-control. default off, because of speed. 39b7579f77SDag-Erling Smørgrav # extended-statistics: no 40b7579f77SDag-Erling Smørgrav 41b7579f77SDag-Erling Smørgrav # number of threads to create. 1 disables threading. 42b7579f77SDag-Erling Smørgrav # num-threads: 1 43b7579f77SDag-Erling Smørgrav 44b7579f77SDag-Erling Smørgrav # specify the interfaces to answer queries from by ip-address. 45b7579f77SDag-Erling Smørgrav # The default is to listen to localhost (127.0.0.1 and ::1). 46b7579f77SDag-Erling Smørgrav # specify 0.0.0.0 and ::0 to bind to all available interfaces. 47b7579f77SDag-Erling Smørgrav # specify every interface[@port] on a new 'interface:' labelled line. 48b7579f77SDag-Erling Smørgrav # The listen interfaces are not changed on reload, only on restart. 49b7579f77SDag-Erling Smørgrav # interface: 192.0.2.153 50b7579f77SDag-Erling Smørgrav # interface: 192.0.2.154 51b7579f77SDag-Erling Smørgrav # interface: 192.0.2.154@5003 52b7579f77SDag-Erling Smørgrav # interface: 2001:DB8::5 53*865f46b2SCy Schubert # interface: eth0@5003 54b7579f77SDag-Erling Smørgrav 55b7579f77SDag-Erling Smørgrav # enable this feature to copy the source address of queries to reply. 56b7579f77SDag-Erling Smørgrav # Socket options are not supported on all platforms. experimental. 57b7579f77SDag-Erling Smørgrav # interface-automatic: no 58b7579f77SDag-Erling Smørgrav 59a39a5a69SCy Schubert # instead of the default port, open additional ports separated by 60a39a5a69SCy Schubert # spaces when interface-automatic is enabled, by listing them here. 61a39a5a69SCy Schubert # interface-automatic-ports: "" 62a39a5a69SCy Schubert 63b7579f77SDag-Erling Smørgrav # port to answer queries from 64b7579f77SDag-Erling Smørgrav # port: 53 65b7579f77SDag-Erling Smørgrav 66b7579f77SDag-Erling Smørgrav # specify the interfaces to send outgoing queries to authoritative 67b7579f77SDag-Erling Smørgrav # server from by ip-address. If none, the default (all) interface 68b7579f77SDag-Erling Smørgrav # is used. Specify every interface on a 'outgoing-interface:' line. 69b7579f77SDag-Erling Smørgrav # outgoing-interface: 192.0.2.153 70b7579f77SDag-Erling Smørgrav # outgoing-interface: 2001:DB8::5 71b7579f77SDag-Erling Smørgrav # outgoing-interface: 2001:DB8::6 72b7579f77SDag-Erling Smørgrav 73b5663de9SDag-Erling Smørgrav # Specify a netblock to use remainder 64 bits as random bits for 74b5663de9SDag-Erling Smørgrav # upstream queries. Uses freebind option (Linux). 75b5663de9SDag-Erling Smørgrav # outgoing-interface: 2001:DB8::/64 76b5663de9SDag-Erling Smørgrav # Also (Linux:) ip -6 addr add 2001:db8::/64 dev lo 77b5663de9SDag-Erling Smørgrav # And: ip -6 route add local 2001:db8::/64 dev lo 78b5663de9SDag-Erling Smørgrav # And set prefer-ip6: yes to use the ip6 randomness from a netblock. 79b5663de9SDag-Erling Smørgrav # Set this to yes to prefer ipv6 upstream servers over ipv4. 80b5663de9SDag-Erling Smørgrav # prefer-ip6: no 81b5663de9SDag-Erling Smørgrav 8225039b37SCy Schubert # Prefer ipv4 upstream servers, even if ipv6 is available. 8325039b37SCy Schubert # prefer-ip4: no 8425039b37SCy Schubert 85b7579f77SDag-Erling Smørgrav # number of ports to allocate per thread, determines the size of the 86b7579f77SDag-Erling Smørgrav # port range that can be open simultaneously. About double the 87b7579f77SDag-Erling Smørgrav # num-queries-per-thread, or, use as many as the OS will allow you. 88b7579f77SDag-Erling Smørgrav # outgoing-range: 4096 89b7579f77SDag-Erling Smørgrav 909cf5bc93SCy Schubert # permit Unbound to use this port number or port range for 91b7579f77SDag-Erling Smørgrav # making outgoing queries, using an outgoing interface. 92b7579f77SDag-Erling Smørgrav # outgoing-port-permit: 32768 93b7579f77SDag-Erling Smørgrav 949cf5bc93SCy Schubert # deny Unbound the use this of port number or port range for 95b7579f77SDag-Erling Smørgrav # making outgoing queries, using an outgoing interface. 969cf5bc93SCy Schubert # Use this to make sure Unbound does not grab a UDP port that some 97b7579f77SDag-Erling Smørgrav # other server on this computer needs. The default is to avoid 98b7579f77SDag-Erling Smørgrav # IANA-assigned port numbers. 998ed2b524SDag-Erling Smørgrav # If multiple outgoing-port-permit and outgoing-port-avoid options 1008ed2b524SDag-Erling Smørgrav # are present, they are processed in order. 101b7579f77SDag-Erling Smørgrav # outgoing-port-avoid: "3200-3208" 102b7579f77SDag-Erling Smørgrav 103b7579f77SDag-Erling Smørgrav # number of outgoing simultaneous tcp buffers to hold per thread. 104b7579f77SDag-Erling Smørgrav # outgoing-num-tcp: 10 105b7579f77SDag-Erling Smørgrav 106b7579f77SDag-Erling Smørgrav # number of incoming simultaneous tcp buffers to hold per thread. 107b7579f77SDag-Erling Smørgrav # incoming-num-tcp: 10 108b7579f77SDag-Erling Smørgrav 109b7579f77SDag-Erling Smørgrav # buffer size for UDP port 53 incoming (SO_RCVBUF socket option). 110b7579f77SDag-Erling Smørgrav # 0 is system default. Use 4m to catch query spikes for busy servers. 111b7579f77SDag-Erling Smørgrav # so-rcvbuf: 0 112b7579f77SDag-Erling Smørgrav 113b7579f77SDag-Erling Smørgrav # buffer size for UDP port 53 outgoing (SO_SNDBUF socket option). 114b7579f77SDag-Erling Smørgrav # 0 is system default. Use 4m to handle spikes on very busy servers. 115b7579f77SDag-Erling Smørgrav # so-sndbuf: 0 116b7579f77SDag-Erling Smørgrav 117ff825849SDag-Erling Smørgrav # use SO_REUSEPORT to distribute queries over threads. 118e86b9096SDag-Erling Smørgrav # at extreme load it could be better to turn it off to distribute even. 1194c75e3aaSDag-Erling Smørgrav # so-reuseport: yes 12017d15b25SDag-Erling Smørgrav 12109a3aaf3SDag-Erling Smørgrav # use IP_TRANSPARENT so the interface: addresses can be non-local 12209a3aaf3SDag-Erling Smørgrav # and you can config non-existing IPs that are going to work later on 123f61ef7f6SDag-Erling Smørgrav # (uses IP_BINDANY on FreeBSD). 12409a3aaf3SDag-Erling Smørgrav # ip-transparent: no 12509a3aaf3SDag-Erling Smørgrav 126e2d15004SDag-Erling Smørgrav # use IP_FREEBIND so the interface: addresses can be non-local 127e2d15004SDag-Erling Smørgrav # and you can bind to nonexisting IPs and interfaces that are down. 128e2d15004SDag-Erling Smørgrav # Linux only. On Linux you also have ip-transparent that is similar. 129e2d15004SDag-Erling Smørgrav # ip-freebind: no 130e2d15004SDag-Erling Smørgrav 13125039b37SCy Schubert # the value of the Differentiated Services Codepoint (DSCP) 13225039b37SCy Schubert # in the differentiated services field (DS) of the outgoing 13325039b37SCy Schubert # IP packets 13425039b37SCy Schubert # ip-dscp: 0 13525039b37SCy Schubert 136b7579f77SDag-Erling Smørgrav # EDNS reassembly buffer to advertise to UDP peers (the actual buffer 137c0caa2e2SCy Schubert # is set with msg-buffer-size). 138c0caa2e2SCy Schubert # edns-buffer-size: 1232 139b7579f77SDag-Erling Smørgrav 14017d15b25SDag-Erling Smørgrav # Maximum UDP response size (not applied to TCP response). 14117d15b25SDag-Erling Smørgrav # Suggested values are 512 to 4096. Default is 4096. 65536 disables it. 14217d15b25SDag-Erling Smørgrav # max-udp-size: 4096 14317d15b25SDag-Erling Smørgrav 144e86b9096SDag-Erling Smørgrav # max memory to use for stream(tcp and tls) waiting result buffers. 145e86b9096SDag-Erling Smørgrav # stream-wait-size: 4m 146e86b9096SDag-Erling Smørgrav 147b7579f77SDag-Erling Smørgrav # buffer size for handling DNS data. No messages larger than this 148b7579f77SDag-Erling Smørgrav # size can be sent or received, by UDP or TCP. In bytes. 149b7579f77SDag-Erling Smørgrav # msg-buffer-size: 65552 150b7579f77SDag-Erling Smørgrav 151b7579f77SDag-Erling Smørgrav # the amount of memory to use for the message cache. 152b7579f77SDag-Erling Smørgrav # plain value in bytes or you can append k, m or G. default is "4Mb". 153b7579f77SDag-Erling Smørgrav # msg-cache-size: 4m 154b7579f77SDag-Erling Smørgrav 155b7579f77SDag-Erling Smørgrav # the number of slabs to use for the message cache. 156b7579f77SDag-Erling Smørgrav # the number of slabs must be a power of 2. 157b7579f77SDag-Erling Smørgrav # more slabs reduce lock contention, but fragment memory usage. 158b7579f77SDag-Erling Smørgrav # msg-cache-slabs: 4 159b7579f77SDag-Erling Smørgrav 160b7579f77SDag-Erling Smørgrav # the number of queries that a thread gets to service. 161b7579f77SDag-Erling Smørgrav # num-queries-per-thread: 1024 162b7579f77SDag-Erling Smørgrav 163b7579f77SDag-Erling Smørgrav # if very busy, 50% queries run to completion, 50% get timeout in msec 164b7579f77SDag-Erling Smørgrav # jostle-timeout: 200 165b7579f77SDag-Erling Smørgrav 16617d15b25SDag-Erling Smørgrav # msec to wait before close of port on timeout UDP. 0 disables. 16717d15b25SDag-Erling Smørgrav # delay-close: 0 16817d15b25SDag-Erling Smørgrav 169369c6923SCy Schubert # perform connect for UDP sockets to mitigate ICMP side channel. 170369c6923SCy Schubert # udp-connect: yes 171369c6923SCy Schubert 172790c6b24SCy Schubert # The number of retries, per upstream nameserver in a delegation, when 173790c6b24SCy Schubert # a throwaway response (also timeouts) is received. 17424e36522SCy Schubert # outbound-msg-retry: 5 17524e36522SCy Schubert 176e86b9096SDag-Erling Smørgrav # msec for waiting for an unknown server to reply. Increase if you 177e86b9096SDag-Erling Smørgrav # are behind a slow satellite link, to eg. 1128. 178e86b9096SDag-Erling Smørgrav # unknown-server-time-limit: 376 179e86b9096SDag-Erling Smørgrav 180b7579f77SDag-Erling Smørgrav # the amount of memory to use for the RRset cache. 181b7579f77SDag-Erling Smørgrav # plain value in bytes or you can append k, m or G. default is "4Mb". 182b7579f77SDag-Erling Smørgrav # rrset-cache-size: 4m 183b7579f77SDag-Erling Smørgrav 184b7579f77SDag-Erling Smørgrav # the number of slabs to use for the RRset cache. 185b7579f77SDag-Erling Smørgrav # the number of slabs must be a power of 2. 186b7579f77SDag-Erling Smørgrav # more slabs reduce lock contention, but fragment memory usage. 187b7579f77SDag-Erling Smørgrav # rrset-cache-slabs: 4 188b7579f77SDag-Erling Smørgrav 189b7579f77SDag-Erling Smørgrav # the time to live (TTL) value lower bound, in seconds. Default 0. 190b7579f77SDag-Erling Smørgrav # If more than an hour could easily give trouble due to stale data. 191b7579f77SDag-Erling Smørgrav # cache-min-ttl: 0 192b7579f77SDag-Erling Smørgrav 193b7579f77SDag-Erling Smørgrav # the time to live (TTL) value cap for RRsets and messages in the 194b7579f77SDag-Erling Smørgrav # cache. Items are not cached for longer. In seconds. 195b7579f77SDag-Erling Smørgrav # cache-max-ttl: 86400 196b7579f77SDag-Erling Smørgrav 19709a3aaf3SDag-Erling Smørgrav # the time to live (TTL) value cap for negative responses in the cache 19809a3aaf3SDag-Erling Smørgrav # cache-max-negative-ttl: 3600 19909a3aaf3SDag-Erling Smørgrav 200b7579f77SDag-Erling Smørgrav # the time to live (TTL) value for cached roundtrip times, lameness and 201b7579f77SDag-Erling Smørgrav # EDNS version information for hosts. In seconds. 202b7579f77SDag-Erling Smørgrav # infra-host-ttl: 900 203b7579f77SDag-Erling Smørgrav 2046480faa8SDag-Erling Smørgrav # minimum wait time for responses, increase if uplink is long. In msec. 2056480faa8SDag-Erling Smørgrav # infra-cache-min-rtt: 50 2066480faa8SDag-Erling Smørgrav 207790c6b24SCy Schubert # maximum wait time for responses. In msec. 208790c6b24SCy Schubert # infra-cache-max-rtt: 120000 209790c6b24SCy Schubert 210369c6923SCy Schubert # enable to make server probe down hosts more frequently. 211369c6923SCy Schubert # infra-keep-probing: no 212369c6923SCy Schubert 213b7579f77SDag-Erling Smørgrav # the number of slabs to use for the Infrastructure cache. 214b7579f77SDag-Erling Smørgrav # the number of slabs must be a power of 2. 215b7579f77SDag-Erling Smørgrav # more slabs reduce lock contention, but fragment memory usage. 216b7579f77SDag-Erling Smørgrav # infra-cache-slabs: 4 217b7579f77SDag-Erling Smørgrav 218b7579f77SDag-Erling Smørgrav # the maximum number of hosts that are cached (roundtrip, EDNS, lame). 219b7579f77SDag-Erling Smørgrav # infra-cache-numhosts: 10000 220b7579f77SDag-Erling Smørgrav 221*865f46b2SCy Schubert # define a number of tags here, use with local-zone, access-control, 222*865f46b2SCy Schubert # interface-*. 223b5663de9SDag-Erling Smørgrav # repeat the define-tag statement to add additional tags. 224b5663de9SDag-Erling Smørgrav # define-tag: "tag1 tag2 tag3" 225b5663de9SDag-Erling Smørgrav 226b7579f77SDag-Erling Smørgrav # Enable IPv4, "yes" or "no". 227b7579f77SDag-Erling Smørgrav # do-ip4: yes 228b7579f77SDag-Erling Smørgrav 229b7579f77SDag-Erling Smørgrav # Enable IPv6, "yes" or "no". 230b7579f77SDag-Erling Smørgrav # do-ip6: yes 231b7579f77SDag-Erling Smørgrav 232b7579f77SDag-Erling Smørgrav # Enable UDP, "yes" or "no". 233b7579f77SDag-Erling Smørgrav # do-udp: yes 234b7579f77SDag-Erling Smørgrav 235b7579f77SDag-Erling Smørgrav # Enable TCP, "yes" or "no". 236b7579f77SDag-Erling Smørgrav # do-tcp: yes 237b7579f77SDag-Erling Smørgrav 238b7579f77SDag-Erling Smørgrav # upstream connections use TCP only (and no UDP), "yes" or "no" 239b7579f77SDag-Erling Smørgrav # useful for tunneling scenarios, default no. 240b7579f77SDag-Erling Smørgrav # tcp-upstream: no 241b7579f77SDag-Erling Smørgrav 2428a384985SDag-Erling Smørgrav # upstream connections also use UDP (even if do-udp is no). 2438a384985SDag-Erling Smørgrav # useful if if you want UDP upstream, but don't provide UDP downstream. 2448a384985SDag-Erling Smørgrav # udp-upstream-without-downstream: no 2458a384985SDag-Erling Smørgrav 246f61ef7f6SDag-Erling Smørgrav # Maximum segment size (MSS) of TCP socket on which the server 247f61ef7f6SDag-Erling Smørgrav # responds to queries. Default is 0, system default MSS. 248f61ef7f6SDag-Erling Smørgrav # tcp-mss: 0 249f61ef7f6SDag-Erling Smørgrav 250f61ef7f6SDag-Erling Smørgrav # Maximum segment size (MSS) of TCP socket for outgoing queries. 251f61ef7f6SDag-Erling Smørgrav # Default is 0, system default MSS. 252f61ef7f6SDag-Erling Smørgrav # outgoing-tcp-mss: 0 253f61ef7f6SDag-Erling Smørgrav 2544c75e3aaSDag-Erling Smørgrav # Idle TCP timeout, connection closed in milliseconds 2554c75e3aaSDag-Erling Smørgrav # tcp-idle-timeout: 30000 2564c75e3aaSDag-Erling Smørgrav 2574c75e3aaSDag-Erling Smørgrav # Enable EDNS TCP keepalive option. 2584c75e3aaSDag-Erling Smørgrav # edns-tcp-keepalive: no 2594c75e3aaSDag-Erling Smørgrav 2604c75e3aaSDag-Erling Smørgrav # Timeout for EDNS TCP keepalive, in msec. 2614c75e3aaSDag-Erling Smørgrav # edns-tcp-keepalive-timeout: 120000 2624c75e3aaSDag-Erling Smørgrav 2633005e0a3SDag-Erling Smørgrav # Use systemd socket activation for UDP, TCP, and control sockets. 2643005e0a3SDag-Erling Smørgrav # use-systemd: no 2653005e0a3SDag-Erling Smørgrav 266b7579f77SDag-Erling Smørgrav # Detach from the terminal, run in background, "yes" or "no". 2679cf5bc93SCy Schubert # Set the value to "no" when Unbound runs as systemd service. 268b7579f77SDag-Erling Smørgrav # do-daemonize: yes 269b7579f77SDag-Erling Smørgrav 270b7579f77SDag-Erling Smørgrav # control which clients are allowed to make (recursive) queries 271b7579f77SDag-Erling Smørgrav # to this server. Specify classless netblocks with /size and action. 272b7579f77SDag-Erling Smørgrav # By default everything is refused, except for localhost. 273b7579f77SDag-Erling Smørgrav # Choose deny (drop message), refuse (polite error reply), 2743bd4df0aSDag-Erling Smørgrav # allow (recursive ok), allow_setrd (recursive ok, rd bit is forced on), 2753bd4df0aSDag-Erling Smørgrav # allow_snoop (recursive and nonrecursive ok) 27617d15b25SDag-Erling Smørgrav # deny_non_local (drop queries unless can be answered from local-data) 27717d15b25SDag-Erling Smørgrav # refuse_non_local (like deny_non_local but polite error reply). 278b7579f77SDag-Erling Smørgrav # access-control: 127.0.0.0/8 allow 279b7579f77SDag-Erling Smørgrav # access-control: ::1 allow 280b7579f77SDag-Erling Smørgrav # access-control: ::ffff:127.0.0.1 allow 281b7579f77SDag-Erling Smørgrav 282b5663de9SDag-Erling Smørgrav # tag access-control with list of tags (in "" with spaces between) 283b5663de9SDag-Erling Smørgrav # Clients using this access control element use localzones that 284b5663de9SDag-Erling Smørgrav # are tagged with one of these tags. 285b5663de9SDag-Erling Smørgrav # access-control-tag: 192.0.2.0/24 "tag2 tag3" 286b5663de9SDag-Erling Smørgrav 287*865f46b2SCy Schubert # set action for particular tag for given access control element. 288b5663de9SDag-Erling Smørgrav # if you have multiple tag values, the tag used to lookup the action 289b5663de9SDag-Erling Smørgrav # is the first tag match between access-control-tag and local-zone-tag 290b5663de9SDag-Erling Smørgrav # where "first" comes from the order of the define-tag values. 291b5663de9SDag-Erling Smørgrav # access-control-tag-action: 192.0.2.0/24 tag3 refuse 292b5663de9SDag-Erling Smørgrav 293b5663de9SDag-Erling Smørgrav # set redirect data for particular tag for access control element 294b5663de9SDag-Erling Smørgrav # access-control-tag-data: 192.0.2.0/24 tag2 "A 127.0.0.1" 295b5663de9SDag-Erling Smørgrav 296bc892140SDag-Erling Smørgrav # Set view for access control element 297bc892140SDag-Erling Smørgrav # access-control-view: 192.0.2.0/24 viewname 298bc892140SDag-Erling Smørgrav 299*865f46b2SCy Schubert # Similar to 'access-control:' but for interfaces. 300*865f46b2SCy Schubert # Control which listening interfaces are allowed to accept (recursive) 301*865f46b2SCy Schubert # queries for this server. 302*865f46b2SCy Schubert # The specified interfaces should be the same as the ones specified in 303*865f46b2SCy Schubert # 'interface:' followed by the action. 304*865f46b2SCy Schubert # The actions are the same as 'access-control:' above. 305*865f46b2SCy Schubert # By default all the interfaces configured are refused. 306*865f46b2SCy Schubert # Note: any 'access-control*:' setting overrides all 'interface-*:' 307*865f46b2SCy Schubert # settings for targeted clients. 308*865f46b2SCy Schubert # interface-action: 192.0.2.153 allow 309*865f46b2SCy Schubert # interface-action: 192.0.2.154 allow 310*865f46b2SCy Schubert # interface-action: 192.0.2.154@5003 allow 311*865f46b2SCy Schubert # interface-action: 2001:DB8::5 allow 312*865f46b2SCy Schubert # interface-action: eth0@5003 allow 313*865f46b2SCy Schubert 314*865f46b2SCy Schubert # Similar to 'access-control-tag:' but for interfaces. 315*865f46b2SCy Schubert # Tag interfaces with a list of tags (in "" with spaces between). 316*865f46b2SCy Schubert # Interfaces using these tags use localzones that are tagged with one 317*865f46b2SCy Schubert # of these tags. 318*865f46b2SCy Schubert # The specified interfaces should be the same as the ones specified in 319*865f46b2SCy Schubert # 'interface:' followed by the list of tags. 320*865f46b2SCy Schubert # Note: any 'access-control*:' setting overrides all 'interface-*:' 321*865f46b2SCy Schubert # settings for targeted clients. 322*865f46b2SCy Schubert # interface-tag: eth0@5003 "tag2 tag3" 323*865f46b2SCy Schubert 324*865f46b2SCy Schubert # Similar to 'access-control-tag-action:' but for interfaces. 325*865f46b2SCy Schubert # Set action for particular tag for a given interface element. 326*865f46b2SCy Schubert # If you have multiple tag values, the tag used to lookup the action 327*865f46b2SCy Schubert # is the first tag match between interface-tag and local-zone-tag 328*865f46b2SCy Schubert # where "first" comes from the order of the define-tag values. 329*865f46b2SCy Schubert # The specified interfaces should be the same as the ones specified in 330*865f46b2SCy Schubert # 'interface:' followed by the tag and action. 331*865f46b2SCy Schubert # Note: any 'access-control*:' setting overrides all 'interface-*:' 332*865f46b2SCy Schubert # settings for targeted clients. 333*865f46b2SCy Schubert # interface-tag-action: eth0@5003 tag3 refuse 334*865f46b2SCy Schubert 335*865f46b2SCy Schubert # Similar to 'access-control-tag-data:' but for interfaces. 336*865f46b2SCy Schubert # Set redirect data for a particular tag for an interface element. 337*865f46b2SCy Schubert # The specified interfaces should be the same as the ones specified in 338*865f46b2SCy Schubert # 'interface:' followed by the tag and the redirect data. 339*865f46b2SCy Schubert # Note: any 'access-control*:' setting overrides all 'interface-*:' 340*865f46b2SCy Schubert # settings for targeted clients. 341*865f46b2SCy Schubert # interface-tag-data: eth0@5003 tag2 "A 127.0.0.1" 342*865f46b2SCy Schubert 343*865f46b2SCy Schubert # Similar to 'access-control-view:' but for interfaces. 344*865f46b2SCy Schubert # Set view for an interface element. 345*865f46b2SCy Schubert # The specified interfaces should be the same as the ones specified in 346*865f46b2SCy Schubert # 'interface:' followed by the view name. 347*865f46b2SCy Schubert # Note: any 'access-control*:' setting overrides all 'interface-*:' 348*865f46b2SCy Schubert # settings for targeted clients. 349*865f46b2SCy Schubert # interface-view: eth0@5003 viewname 350*865f46b2SCy Schubert 351b7579f77SDag-Erling Smørgrav # if given, a chroot(2) is done to the given directory. 352b7579f77SDag-Erling Smørgrav # i.e. you can chroot to the working directory, for example, 353b7579f77SDag-Erling Smørgrav # for extra security, but make sure all files are in that directory. 354b7579f77SDag-Erling Smørgrav # 355b7579f77SDag-Erling Smørgrav # If chroot is enabled, you should pass the configfile (from the 356b7579f77SDag-Erling Smørgrav # commandline) as a full path from the original root. After the 357b7579f77SDag-Erling Smørgrav # chroot has been performed the now defunct portion of the config 358b7579f77SDag-Erling Smørgrav # file path is removed to be able to reread the config after a reload. 359b7579f77SDag-Erling Smørgrav # 360b7579f77SDag-Erling Smørgrav # All other file paths (working dir, logfile, roothints, and 361b7579f77SDag-Erling Smørgrav # key files) can be specified in several ways: 362b7579f77SDag-Erling Smørgrav # o as an absolute path relative to the new root. 363b7579f77SDag-Erling Smørgrav # o as a relative path to the working directory. 364b7579f77SDag-Erling Smørgrav # o as an absolute path relative to the original root. 365b7579f77SDag-Erling Smørgrav # In the last case the path is adjusted to remove the unused portion. 366b7579f77SDag-Erling Smørgrav # 367b7579f77SDag-Erling Smørgrav # The pid file can be absolute and outside of the chroot, it is 368b7579f77SDag-Erling Smørgrav # written just prior to performing the chroot and dropping permissions. 369b7579f77SDag-Erling Smørgrav # 3709cf5bc93SCy Schubert # Additionally, Unbound may need to access /dev/urandom (for entropy). 371b7579f77SDag-Erling Smørgrav # How to do this is specific to your OS. 372b7579f77SDag-Erling Smørgrav # 373b7579f77SDag-Erling Smørgrav # If you give "" no chroot is performed. The path must not end in a /. 374b7579f77SDag-Erling Smørgrav # chroot: "@UNBOUND_CHROOT_DIR@" 375b7579f77SDag-Erling Smørgrav 376b7579f77SDag-Erling Smørgrav # if given, user privileges are dropped (after binding port), 377b7579f77SDag-Erling Smørgrav # and the given username is assumed. Default is user "unbound". 378b7579f77SDag-Erling Smørgrav # If you give "" no privileges are dropped. 379b7579f77SDag-Erling Smørgrav # username: "@UNBOUND_USERNAME@" 380b7579f77SDag-Erling Smørgrav 381b7579f77SDag-Erling Smørgrav # the working directory. The relative files in this config are 382b7579f77SDag-Erling Smørgrav # relative to this directory. If you give "" the working directory 383b7579f77SDag-Erling Smørgrav # is not changed. 384b5663de9SDag-Erling Smørgrav # If you give a server: directory: dir before include: file statements 385b5663de9SDag-Erling Smørgrav # then those includes can be relative to the working directory. 386b7579f77SDag-Erling Smørgrav # directory: "@UNBOUND_RUN_DIR@" 387b7579f77SDag-Erling Smørgrav 388b7579f77SDag-Erling Smørgrav # the log file, "" means log to stderr. 389b7579f77SDag-Erling Smørgrav # Use of this option sets use-syslog to "no". 390b7579f77SDag-Erling Smørgrav # logfile: "" 391b7579f77SDag-Erling Smørgrav 392b7579f77SDag-Erling Smørgrav # Log to syslog(3) if yes. The log facility LOG_DAEMON is used to 393bc892140SDag-Erling Smørgrav # log to. If yes, it overrides the logfile. 394b7579f77SDag-Erling Smørgrav # use-syslog: yes 395b7579f77SDag-Erling Smørgrav 396bc892140SDag-Erling Smørgrav # Log identity to report. if empty, defaults to the name of argv[0] 397bc892140SDag-Erling Smørgrav # (usually "unbound"). 398bc892140SDag-Erling Smørgrav # log-identity: "" 399bc892140SDag-Erling Smørgrav 400b7579f77SDag-Erling Smørgrav # print UTC timestamp in ascii to logfile, default is epoch in seconds. 401b7579f77SDag-Erling Smørgrav # log-time-ascii: no 402b7579f77SDag-Erling Smørgrav 403b7579f77SDag-Erling Smørgrav # print one line with time, IP, name, type, class for every query. 404b7579f77SDag-Erling Smørgrav # log-queries: no 405b7579f77SDag-Erling Smørgrav 4063005e0a3SDag-Erling Smørgrav # print one line per reply, with time, IP, name, type, class, rcode, 4073005e0a3SDag-Erling Smørgrav # timetoresolve, fromcache and responsesize. 4083005e0a3SDag-Erling Smørgrav # log-replies: no 4093005e0a3SDag-Erling Smørgrav 410e86b9096SDag-Erling Smørgrav # log with tag 'query' and 'reply' instead of 'info' for 411e86b9096SDag-Erling Smørgrav # filtering log-queries and log-replies from the log. 412e86b9096SDag-Erling Smørgrav # log-tag-queryreply: no 413e86b9096SDag-Erling Smørgrav 4144c75e3aaSDag-Erling Smørgrav # log the local-zone actions, like local-zone type inform is enabled 4154c75e3aaSDag-Erling Smørgrav # also for the other local zone types. 4164c75e3aaSDag-Erling Smørgrav # log-local-actions: no 4174c75e3aaSDag-Erling Smørgrav 4184c75e3aaSDag-Erling Smørgrav # print log lines that say why queries return SERVFAIL to clients. 4194c75e3aaSDag-Erling Smørgrav # log-servfail: no 4204c75e3aaSDag-Erling Smørgrav 421b7579f77SDag-Erling Smørgrav # the pid file. Can be an absolute path outside of chroot/work dir. 422b7579f77SDag-Erling Smørgrav # pidfile: "@UNBOUND_PIDFILE@" 423b7579f77SDag-Erling Smørgrav 424b7579f77SDag-Erling Smørgrav # file to read root hints from. 42505ab2901SDag-Erling Smørgrav # get one from https://www.internic.net/domain/named.cache 426b7579f77SDag-Erling Smørgrav # root-hints: "" 427b7579f77SDag-Erling Smørgrav 428b7579f77SDag-Erling Smørgrav # enable to not answer id.server and hostname.bind queries. 429b7579f77SDag-Erling Smørgrav # hide-identity: no 430b7579f77SDag-Erling Smørgrav 431b7579f77SDag-Erling Smørgrav # enable to not answer version.server and version.bind queries. 432b7579f77SDag-Erling Smørgrav # hide-version: no 433b7579f77SDag-Erling Smørgrav 43465b390aaSDag-Erling Smørgrav # enable to not answer trustanchor.unbound queries. 43565b390aaSDag-Erling Smørgrav # hide-trustanchor: no 43665b390aaSDag-Erling Smørgrav 4375469a995SCy Schubert # enable to not set the User-Agent HTTP header. 4385469a995SCy Schubert # hide-http-user-agent: no 4395469a995SCy Schubert 440b7579f77SDag-Erling Smørgrav # the identity to report. Leave "" or default to return hostname. 441b7579f77SDag-Erling Smørgrav # identity: "" 442b7579f77SDag-Erling Smørgrav 443b7579f77SDag-Erling Smørgrav # the version to report. Leave "" or default to return package version. 444b7579f77SDag-Erling Smørgrav # version: "" 445b7579f77SDag-Erling Smørgrav 446f44e67d1SCy Schubert # NSID identity (hex string, or "ascii_somestring"). default disabled. 447f44e67d1SCy Schubert # nsid: "aabbccdd" 448f44e67d1SCy Schubert 4495469a995SCy Schubert # User-Agent HTTP header to use. Leave "" or default to use package name 4505469a995SCy Schubert # and version. 4515469a995SCy Schubert # http-user-agent: "" 4525469a995SCy Schubert 453b7579f77SDag-Erling Smørgrav # the target fetch policy. 454b7579f77SDag-Erling Smørgrav # series of integers describing the policy per dependency depth. 455b7579f77SDag-Erling Smørgrav # The number of values in the list determines the maximum dependency 456b7579f77SDag-Erling Smørgrav # depth the recursor will pursue before giving up. Each integer means: 457b7579f77SDag-Erling Smørgrav # -1 : fetch all targets opportunistically, 458b7579f77SDag-Erling Smørgrav # 0: fetch on demand, 459b7579f77SDag-Erling Smørgrav # positive value: fetch that many targets opportunistically. 460b7579f77SDag-Erling Smørgrav # Enclose the list of numbers between quotes (""). 461b7579f77SDag-Erling Smørgrav # target-fetch-policy: "3 2 1 0 0" 462b7579f77SDag-Erling Smørgrav 463b7579f77SDag-Erling Smørgrav # Harden against very small EDNS buffer sizes. 464f44e67d1SCy Schubert # harden-short-bufsize: yes 465b7579f77SDag-Erling Smørgrav 466b7579f77SDag-Erling Smørgrav # Harden against unseemly large queries. 467b7579f77SDag-Erling Smørgrav # harden-large-queries: no 468b7579f77SDag-Erling Smørgrav 469b7579f77SDag-Erling Smørgrav # Harden against out of zone rrsets, to avoid spoofing attempts. 470b7579f77SDag-Erling Smørgrav # harden-glue: yes 471b7579f77SDag-Erling Smørgrav 472b7579f77SDag-Erling Smørgrav # Harden against receiving dnssec-stripped data. If you turn it 473b7579f77SDag-Erling Smørgrav # off, failing to validate dnskey data for a trustanchor will 474b7579f77SDag-Erling Smørgrav # trigger insecure mode for that zone (like without a trustanchor). 475b7579f77SDag-Erling Smørgrav # Default on, which insists on dnssec data for trust-anchored zones. 476b7579f77SDag-Erling Smørgrav # harden-dnssec-stripped: yes 477b7579f77SDag-Erling Smørgrav 478b7579f77SDag-Erling Smørgrav # Harden against queries that fall under dnssec-signed nxdomain names. 4794c75e3aaSDag-Erling Smørgrav # harden-below-nxdomain: yes 480b7579f77SDag-Erling Smørgrav 481b7579f77SDag-Erling Smørgrav # Harden the referral path by performing additional queries for 482b7579f77SDag-Erling Smørgrav # infrastructure data. Validates the replies (if possible). 483b7579f77SDag-Erling Smørgrav # Default off, because the lookups burden the server. Experimental 484b7579f77SDag-Erling Smørgrav # implementation of draft-wijngaards-dnsext-resolver-side-mitigation. 485b7579f77SDag-Erling Smørgrav # harden-referral-path: no 486b7579f77SDag-Erling Smørgrav 48709a3aaf3SDag-Erling Smørgrav # Harden against algorithm downgrade when multiple algorithms are 48809a3aaf3SDag-Erling Smørgrav # advertised in the DS record. If no, allows the weakest algorithm 48909a3aaf3SDag-Erling Smørgrav # to validate the zone. 490b75612f8SDag-Erling Smørgrav # harden-algo-downgrade: no 49109a3aaf3SDag-Erling Smørgrav 49205ab2901SDag-Erling Smørgrav # Sent minimum amount of information to upstream servers to enhance 49305ab2901SDag-Erling Smørgrav # privacy. Only sent minimum required labels of the QNAME and set QTYPE 49457bddd21SDag-Erling Smørgrav # to A when possible. 4953bd4df0aSDag-Erling Smørgrav # qname-minimisation: yes 49605ab2901SDag-Erling Smørgrav 497bc892140SDag-Erling Smørgrav # QNAME minimisation in strict mode. Do not fall-back to sending full 498bc892140SDag-Erling Smørgrav # QNAME to potentially broken nameservers. A lot of domains will not be 499bc892140SDag-Erling Smørgrav # resolvable when this option in enabled. 500bc892140SDag-Erling Smørgrav # This option only has effect when qname-minimisation is enabled. 501bc892140SDag-Erling Smørgrav # qname-minimisation-strict: no 502bc892140SDag-Erling Smørgrav 50357bddd21SDag-Erling Smørgrav # Aggressive NSEC uses the DNSSEC NSEC chain to synthesize NXDOMAIN 50457bddd21SDag-Erling Smørgrav # and other denials, using information from previous NXDOMAINs answers. 5059cf5bc93SCy Schubert # aggressive-nsec: yes 50657bddd21SDag-Erling Smørgrav 507b7579f77SDag-Erling Smørgrav # Use 0x20-encoded random bits in the query to foil spoof attempts. 508b7579f77SDag-Erling Smørgrav # This feature is an experimental implementation of draft dns-0x20. 509b7579f77SDag-Erling Smørgrav # use-caps-for-id: no 510b7579f77SDag-Erling Smørgrav 51109a3aaf3SDag-Erling Smørgrav # Domains (and domains in them) without support for dns-0x20 and 51209a3aaf3SDag-Erling Smørgrav # the fallback fails because they keep sending different answers. 513c0caa2e2SCy Schubert # caps-exempt: "licdn.com" 514c0caa2e2SCy Schubert # caps-exempt: "senderbase.org" 51509a3aaf3SDag-Erling Smørgrav 516b7579f77SDag-Erling Smørgrav # Enforce privacy of these addresses. Strips them away from answers. 517b7579f77SDag-Erling Smørgrav # It may cause DNSSEC validation to additionally mark it as bogus. 518b7579f77SDag-Erling Smørgrav # Protects against 'DNS Rebinding' (uses browser as network proxy). 519b7579f77SDag-Erling Smørgrav # Only 'private-domain' and 'local-data' names are allowed to have 520b7579f77SDag-Erling Smørgrav # these private addresses. No default. 521b7579f77SDag-Erling Smørgrav # private-address: 10.0.0.0/8 522b7579f77SDag-Erling Smørgrav # private-address: 172.16.0.0/12 523b7579f77SDag-Erling Smørgrav # private-address: 192.168.0.0/16 524b7579f77SDag-Erling Smørgrav # private-address: 169.254.0.0/16 525b7579f77SDag-Erling Smørgrav # private-address: fd00::/8 526b7579f77SDag-Erling Smørgrav # private-address: fe80::/10 52705ab2901SDag-Erling Smørgrav # private-address: ::ffff:0:0/96 528b7579f77SDag-Erling Smørgrav 529b7579f77SDag-Erling Smørgrav # Allow the domain (and its subdomains) to contain private addresses. 530b7579f77SDag-Erling Smørgrav # local-data statements are allowed to contain private addresses too. 531b7579f77SDag-Erling Smørgrav # private-domain: "example.com" 532b7579f77SDag-Erling Smørgrav 533b7579f77SDag-Erling Smørgrav # If nonzero, unwanted replies are not only reported in statistics, 534b7579f77SDag-Erling Smørgrav # but also a running total is kept per thread. If it reaches the 535b7579f77SDag-Erling Smørgrav # threshold, a warning is printed and a defensive action is taken, 536b7579f77SDag-Erling Smørgrav # the cache is cleared to flush potential poison out of it. 537b7579f77SDag-Erling Smørgrav # A suggested value is 10000000, the default is 0 (turned off). 538b7579f77SDag-Erling Smørgrav # unwanted-reply-threshold: 0 539b7579f77SDag-Erling Smørgrav 540b7579f77SDag-Erling Smørgrav # Do not query the following addresses. No DNS queries are sent there. 541b7579f77SDag-Erling Smørgrav # List one address per entry. List classless netblocks with /size, 542b7579f77SDag-Erling Smørgrav # do-not-query-address: 127.0.0.1/8 543b7579f77SDag-Erling Smørgrav # do-not-query-address: ::1 544b7579f77SDag-Erling Smørgrav 545b7579f77SDag-Erling Smørgrav # if yes, the above default do-not-query-address entries are present. 546b7579f77SDag-Erling Smørgrav # if no, localhost can be queried (for testing and debugging). 547b7579f77SDag-Erling Smørgrav # do-not-query-localhost: yes 548b7579f77SDag-Erling Smørgrav 549b7579f77SDag-Erling Smørgrav # if yes, perform prefetching of almost expired message cache entries. 550b7579f77SDag-Erling Smørgrav # prefetch: no 551b7579f77SDag-Erling Smørgrav 552b7579f77SDag-Erling Smørgrav # if yes, perform key lookups adjacent to normal lookups. 553b7579f77SDag-Erling Smørgrav # prefetch-key: no 554b7579f77SDag-Erling Smørgrav 555e86b9096SDag-Erling Smørgrav # deny queries of type ANY with an empty response. 556e86b9096SDag-Erling Smørgrav # deny-any: no 557e86b9096SDag-Erling Smørgrav 558b7579f77SDag-Erling Smørgrav # if yes, Unbound rotates RRSet order in response. 55925039b37SCy Schubert # rrset-roundrobin: yes 560b7579f77SDag-Erling Smørgrav 561b7579f77SDag-Erling Smørgrav # if yes, Unbound doesn't insert authority/additional sections 562b7579f77SDag-Erling Smørgrav # into response messages when those sections are not required. 5634c75e3aaSDag-Erling Smørgrav # minimal-responses: yes 564b7579f77SDag-Erling Smørgrav 565e2d15004SDag-Erling Smørgrav # true to disable DNSSEC lameness check in iterator. 566e2d15004SDag-Erling Smørgrav # disable-dnssec-lame-check: no 567e2d15004SDag-Erling Smørgrav 568b7579f77SDag-Erling Smørgrav # module configuration of the server. A string with identifiers 569ff825849SDag-Erling Smørgrav # separated by spaces. Syntax: "[dns64] [validator] iterator" 570e86b9096SDag-Erling Smørgrav # most modules have to be listed at the beginning of the line, 571e86b9096SDag-Erling Smørgrav # except cachedb(just before iterator), and python (at the beginning, 572e86b9096SDag-Erling Smørgrav # or, just before the iterator). 573b7579f77SDag-Erling Smørgrav # module-config: "validator iterator" 574b7579f77SDag-Erling Smørgrav 575b7579f77SDag-Erling Smørgrav # File with trusted keys, kept uptodate using RFC5011 probes, 576b7579f77SDag-Erling Smørgrav # initial file like trust-anchor-file, then it stores metadata. 577b7579f77SDag-Erling Smørgrav # Use several entries, one per domain name, to track multiple zones. 578b7579f77SDag-Erling Smørgrav # 579b7579f77SDag-Erling Smørgrav # If you want to perform DNSSEC validation, run unbound-anchor before 5809cf5bc93SCy Schubert # you start Unbound (i.e. in the system boot scripts). 5815469a995SCy Schubert # And then enable the auto-trust-anchor-file config item. 582b7579f77SDag-Erling Smørgrav # Please note usage of unbound-anchor root anchor is at your own risk 583b7579f77SDag-Erling Smørgrav # and under the terms of our LICENSE (see that file in the source). 584b7579f77SDag-Erling Smørgrav # auto-trust-anchor-file: "@UNBOUND_ROOTKEY_FILE@" 585b7579f77SDag-Erling Smørgrav 586c7f4d7adSDag-Erling Smørgrav # trust anchor signaling sends a RFC8145 key tag query after priming. 5878a384985SDag-Erling Smørgrav # trust-anchor-signaling: yes 588c7f4d7adSDag-Erling Smørgrav 5890fb34990SDag-Erling Smørgrav # Root key trust anchor sentinel (draft-ietf-dnsop-kskroll-sentinel) 5900fb34990SDag-Erling Smørgrav # root-key-sentinel: yes 5910fb34990SDag-Erling Smørgrav 592b7579f77SDag-Erling Smørgrav # File with trusted keys for validation. Specify more than one file 593b7579f77SDag-Erling Smørgrav # with several entries, one file per entry. 594b7579f77SDag-Erling Smørgrav # Zone file format, with DS and DNSKEY entries. 595b7579f77SDag-Erling Smørgrav # Note this gets out of date, use auto-trust-anchor-file please. 596b7579f77SDag-Erling Smørgrav # trust-anchor-file: "" 597b7579f77SDag-Erling Smørgrav 598b7579f77SDag-Erling Smørgrav # Trusted key for validation. DS or DNSKEY. specify the RR on a 599b7579f77SDag-Erling Smørgrav # single line, surrounded by "". TTL is ignored. class is IN default. 600b7579f77SDag-Erling Smørgrav # Note this gets out of date, use auto-trust-anchor-file please. 601b7579f77SDag-Erling Smørgrav # (These examples are from August 2007 and may not be valid anymore). 602b7579f77SDag-Erling Smørgrav # trust-anchor: "nlnetlabs.nl. DNSKEY 257 3 5 AQPzzTWMz8qSWIQlfRnPckx2BiVmkVN6LPupO3mbz7FhLSnm26n6iG9N Lby97Ji453aWZY3M5/xJBSOS2vWtco2t8C0+xeO1bc/d6ZTy32DHchpW 6rDH1vp86Ll+ha0tmwyy9QP7y2bVw5zSbFCrefk8qCUBgfHm9bHzMG1U BYtEIQ==" 603b7579f77SDag-Erling Smørgrav # trust-anchor: "jelte.nlnetlabs.nl. DS 42860 5 1 14D739EB566D2B1A5E216A0BA4D17FA9B038BE4A" 604b7579f77SDag-Erling Smørgrav 605b7579f77SDag-Erling Smørgrav # File with trusted keys for validation. Specify more than one file 606b7579f77SDag-Erling Smørgrav # with several entries, one file per entry. Like trust-anchor-file 607b7579f77SDag-Erling Smørgrav # but has a different file format. Format is BIND-9 style format, 608b7579f77SDag-Erling Smørgrav # the trusted-keys { name flag proto algo "key"; }; clauses are read. 609b7579f77SDag-Erling Smørgrav # you need external update procedures to track changes in keys. 610b7579f77SDag-Erling Smørgrav # trusted-keys-file: "" 611b7579f77SDag-Erling Smørgrav 612b7579f77SDag-Erling Smørgrav # Ignore chain of trust. Domain is treated as insecure. 613b7579f77SDag-Erling Smørgrav # domain-insecure: "example.com" 614b7579f77SDag-Erling Smørgrav 615b7579f77SDag-Erling Smørgrav # Override the date for validation with a specific fixed date. 616b7579f77SDag-Erling Smørgrav # Do not set this unless you are debugging signature inception 617b7579f77SDag-Erling Smørgrav # and expiration. "" or "0" turns the feature off. -1 ignores date. 618b7579f77SDag-Erling Smørgrav # val-override-date: "" 619b7579f77SDag-Erling Smørgrav 620b7579f77SDag-Erling Smørgrav # The time to live for bogus data, rrsets and messages. This avoids 621b7579f77SDag-Erling Smørgrav # some of the revalidation, until the time interval expires. in secs. 622b7579f77SDag-Erling Smørgrav # val-bogus-ttl: 60 623b7579f77SDag-Erling Smørgrav 624b7579f77SDag-Erling Smørgrav # The signature inception and expiration dates are allowed to be off 625b7579f77SDag-Erling Smørgrav # by 10% of the signature lifetime (expir-incep) from our local clock. 626b7579f77SDag-Erling Smørgrav # This leeway is capped with a minimum and a maximum. In seconds. 627b7579f77SDag-Erling Smørgrav # val-sig-skew-min: 3600 628b7579f77SDag-Erling Smørgrav # val-sig-skew-max: 86400 629b7579f77SDag-Erling Smørgrav 6305469a995SCy Schubert # The maximum number the validator should restart validation with 6315469a995SCy Schubert # another authority in case of failed validation. 6325469a995SCy Schubert # val-max-restart: 5 6335469a995SCy Schubert 634b7579f77SDag-Erling Smørgrav # Should additional section of secure message also be kept clean of 635b7579f77SDag-Erling Smørgrav # unsecure data. Useful to shield the users of this validator from 636b7579f77SDag-Erling Smørgrav # potential bogus data in the additional section. All unsigned data 637b7579f77SDag-Erling Smørgrav # in the additional section is removed from secure messages. 638b7579f77SDag-Erling Smørgrav # val-clean-additional: yes 639b7579f77SDag-Erling Smørgrav 640b7579f77SDag-Erling Smørgrav # Turn permissive mode on to permit bogus messages. Thus, messages 641b7579f77SDag-Erling Smørgrav # for which security checks failed will be returned to clients, 642b7579f77SDag-Erling Smørgrav # instead of SERVFAIL. It still performs the security checks, which 643b7579f77SDag-Erling Smørgrav # result in interesting log files and possibly the AD bit in 644b7579f77SDag-Erling Smørgrav # replies if the message is found secure. The default is off. 645b7579f77SDag-Erling Smørgrav # val-permissive-mode: no 646b7579f77SDag-Erling Smørgrav 647b7579f77SDag-Erling Smørgrav # Ignore the CD flag in incoming queries and refuse them bogus data. 6489cf5bc93SCy Schubert # Enable it if the only clients of Unbound are legacy servers (w2008) 649b7579f77SDag-Erling Smørgrav # that set CD but cannot validate themselves. 650b7579f77SDag-Erling Smørgrav # ignore-cd-flag: no 651b7579f77SDag-Erling Smørgrav 652091e9e46SCy Schubert # Serve expired responses from cache, with serve-expired-reply-ttl in 653091e9e46SCy Schubert # the response, and then attempt to fetch the data afresh. 654bc892140SDag-Erling Smørgrav # serve-expired: no 6554c75e3aaSDag-Erling Smørgrav # 6564c75e3aaSDag-Erling Smørgrav # Limit serving of expired responses to configured seconds after 6574c75e3aaSDag-Erling Smørgrav # expiration. 0 disables the limit. 6584c75e3aaSDag-Erling Smørgrav # serve-expired-ttl: 0 6594c75e3aaSDag-Erling Smørgrav # 6604c75e3aaSDag-Erling Smørgrav # Set the TTL of expired records to the serve-expired-ttl value after a 6614c75e3aaSDag-Erling Smørgrav # failed attempt to retrieve the record from upstream. This makes sure 6624c75e3aaSDag-Erling Smørgrav # that the expired records will be served as long as there are queries 6634c75e3aaSDag-Erling Smørgrav # for it. 6644c75e3aaSDag-Erling Smørgrav # serve-expired-ttl-reset: no 665091e9e46SCy Schubert # 666091e9e46SCy Schubert # TTL value to use when replying with expired data. 667091e9e46SCy Schubert # serve-expired-reply-ttl: 30 668091e9e46SCy Schubert # 669091e9e46SCy Schubert # Time in milliseconds before replying to the client with expired data. 670091e9e46SCy Schubert # This essentially enables the serve-stale behavior as specified in 671c0caa2e2SCy Schubert # RFC 8767 that first tries to resolve before 672091e9e46SCy Schubert # immediately responding with expired data. 0 disables this behavior. 673091e9e46SCy Schubert # A recommended value is 1800. 674091e9e46SCy Schubert # serve-expired-client-timeout: 0 675bc892140SDag-Erling Smørgrav 676f44e67d1SCy Schubert # Return the original TTL as received from the upstream name server rather 677f44e67d1SCy Schubert # than the decrementing TTL as stored in the cache. Enabling this feature 6789cf5bc93SCy Schubert # does not impact cache expiry, it only changes the TTL Unbound embeds in 679f44e67d1SCy Schubert # responses to queries. Note that enabling this feature implicitly disables 680f44e67d1SCy Schubert # enforcement of the configured minimum and maximum TTL. 681f44e67d1SCy Schubert # serve-original-ttl: no 682f44e67d1SCy Schubert 683b7579f77SDag-Erling Smørgrav # Have the validator log failed validations for your diagnosis. 684b7579f77SDag-Erling Smørgrav # 0: off. 1: A line per failed user query. 2: With reason and bad IP. 685b7579f77SDag-Erling Smørgrav # val-log-level: 0 686b7579f77SDag-Erling Smørgrav 687b7579f77SDag-Erling Smørgrav # It is possible to configure NSEC3 maximum iteration counts per 688b7579f77SDag-Erling Smørgrav # keysize. Keep this table very short, as linear search is done. 689b7579f77SDag-Erling Smørgrav # A message with an NSEC3 with larger count is marked insecure. 690b7579f77SDag-Erling Smørgrav # List in ascending order the keysize and count values. 6915469a995SCy Schubert # val-nsec3-keysize-iterations: "1024 150 2048 150 4096 150" 6925469a995SCy Schubert 6935469a995SCy Schubert # if enabled, ZONEMD verification failures do not block the zone. 6945469a995SCy Schubert # zonemd-permissive-mode: no 695b7579f77SDag-Erling Smørgrav 696b7579f77SDag-Erling Smørgrav # instruct the auto-trust-anchor-file probing to add anchors after ttl. 697b7579f77SDag-Erling Smørgrav # add-holddown: 2592000 # 30 days 698b7579f77SDag-Erling Smørgrav 699b7579f77SDag-Erling Smørgrav # instruct the auto-trust-anchor-file probing to del anchors after ttl. 700b7579f77SDag-Erling Smørgrav # del-holddown: 2592000 # 30 days 701b7579f77SDag-Erling Smørgrav 702b7579f77SDag-Erling Smørgrav # auto-trust-anchor-file probing removes missing anchors after ttl. 703b7579f77SDag-Erling Smørgrav # If the value 0 is given, missing anchors are not removed. 704b7579f77SDag-Erling Smørgrav # keep-missing: 31622400 # 366 days 705b7579f77SDag-Erling Smørgrav 706e2d15004SDag-Erling Smørgrav # debug option that allows very small holddown times for key rollover, 707e2d15004SDag-Erling Smørgrav # otherwise the RFC mandates probe intervals must be at least 1 hour. 708b75612f8SDag-Erling Smørgrav # permit-small-holddown: no 709b75612f8SDag-Erling Smørgrav 710b7579f77SDag-Erling Smørgrav # the amount of memory to use for the key cache. 711b7579f77SDag-Erling Smørgrav # plain value in bytes or you can append k, m or G. default is "4Mb". 712b7579f77SDag-Erling Smørgrav # key-cache-size: 4m 713b7579f77SDag-Erling Smørgrav 714b7579f77SDag-Erling Smørgrav # the number of slabs to use for the key cache. 715b7579f77SDag-Erling Smørgrav # the number of slabs must be a power of 2. 716b7579f77SDag-Erling Smørgrav # more slabs reduce lock contention, but fragment memory usage. 717b7579f77SDag-Erling Smørgrav # key-cache-slabs: 4 718b7579f77SDag-Erling Smørgrav 719c0caa2e2SCy Schubert # the amount of memory to use for the negative cache. 720b7579f77SDag-Erling Smørgrav # plain value in bytes or you can append k, m or G. default is "1Mb". 721b7579f77SDag-Erling Smørgrav # neg-cache-size: 1m 722b7579f77SDag-Erling Smørgrav 72317d15b25SDag-Erling Smørgrav # By default, for a number of zones a small default 'nothing here' 72417d15b25SDag-Erling Smørgrav # reply is built-in. Query traffic is thus blocked. If you 72517d15b25SDag-Erling Smørgrav # wish to serve such zone you can unblock them by uncommenting one 72617d15b25SDag-Erling Smørgrav # of the nodefault statements below. 72717d15b25SDag-Erling Smørgrav # You may also have to use domain-insecure: zone to make DNSSEC work, 72817d15b25SDag-Erling Smørgrav # unless you have your own trust anchors for this zone. 72917d15b25SDag-Erling Smørgrav # local-zone: "localhost." nodefault 73017d15b25SDag-Erling Smørgrav # local-zone: "127.in-addr.arpa." nodefault 73117d15b25SDag-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 73224e36522SCy Schubert # local-zone: "home.arpa." nodefault 733f61ef7f6SDag-Erling Smørgrav # local-zone: "onion." nodefault 734971980c3SDag-Erling Smørgrav # local-zone: "test." nodefault 735971980c3SDag-Erling Smørgrav # local-zone: "invalid." nodefault 73617d15b25SDag-Erling Smørgrav # local-zone: "10.in-addr.arpa." nodefault 73717d15b25SDag-Erling Smørgrav # local-zone: "16.172.in-addr.arpa." nodefault 73817d15b25SDag-Erling Smørgrav # local-zone: "17.172.in-addr.arpa." nodefault 73917d15b25SDag-Erling Smørgrav # local-zone: "18.172.in-addr.arpa." nodefault 74017d15b25SDag-Erling Smørgrav # local-zone: "19.172.in-addr.arpa." nodefault 74117d15b25SDag-Erling Smørgrav # local-zone: "20.172.in-addr.arpa." nodefault 74217d15b25SDag-Erling Smørgrav # local-zone: "21.172.in-addr.arpa." nodefault 74317d15b25SDag-Erling Smørgrav # local-zone: "22.172.in-addr.arpa." nodefault 74417d15b25SDag-Erling Smørgrav # local-zone: "23.172.in-addr.arpa." nodefault 74517d15b25SDag-Erling Smørgrav # local-zone: "24.172.in-addr.arpa." nodefault 74617d15b25SDag-Erling Smørgrav # local-zone: "25.172.in-addr.arpa." nodefault 74717d15b25SDag-Erling Smørgrav # local-zone: "26.172.in-addr.arpa." nodefault 74817d15b25SDag-Erling Smørgrav # local-zone: "27.172.in-addr.arpa." nodefault 74917d15b25SDag-Erling Smørgrav # local-zone: "28.172.in-addr.arpa." nodefault 75017d15b25SDag-Erling Smørgrav # local-zone: "29.172.in-addr.arpa." nodefault 75117d15b25SDag-Erling Smørgrav # local-zone: "30.172.in-addr.arpa." nodefault 75217d15b25SDag-Erling Smørgrav # local-zone: "31.172.in-addr.arpa." nodefault 75317d15b25SDag-Erling Smørgrav # local-zone: "168.192.in-addr.arpa." nodefault 75417d15b25SDag-Erling Smørgrav # local-zone: "0.in-addr.arpa." nodefault 75517d15b25SDag-Erling Smørgrav # local-zone: "254.169.in-addr.arpa." nodefault 75617d15b25SDag-Erling Smørgrav # local-zone: "2.0.192.in-addr.arpa." nodefault 75717d15b25SDag-Erling Smørgrav # local-zone: "100.51.198.in-addr.arpa." nodefault 75817d15b25SDag-Erling Smørgrav # local-zone: "113.0.203.in-addr.arpa." nodefault 75917d15b25SDag-Erling Smørgrav # local-zone: "255.255.255.255.in-addr.arpa." nodefault 76017d15b25SDag-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 76117d15b25SDag-Erling Smørgrav # local-zone: "d.f.ip6.arpa." nodefault 76217d15b25SDag-Erling Smørgrav # local-zone: "8.e.f.ip6.arpa." nodefault 76317d15b25SDag-Erling Smørgrav # local-zone: "9.e.f.ip6.arpa." nodefault 76417d15b25SDag-Erling Smørgrav # local-zone: "a.e.f.ip6.arpa." nodefault 76517d15b25SDag-Erling Smørgrav # local-zone: "b.e.f.ip6.arpa." nodefault 76617d15b25SDag-Erling Smørgrav # local-zone: "8.b.d.0.1.0.0.2.ip6.arpa." nodefault 767ff825849SDag-Erling Smørgrav # And for 64.100.in-addr.arpa. to 127.100.in-addr.arpa. 768ff825849SDag-Erling Smørgrav 7690eefd307SCy Schubert # Add example.com into ipset 7700eefd307SCy Schubert # local-zone: "example.com" ipset 7710eefd307SCy Schubert 7729cf5bc93SCy Schubert # If Unbound is running service for the local host then it is useful 773ff825849SDag-Erling Smørgrav # to perform lan-wide lookups to the upstream, and unblock the 7749cf5bc93SCy Schubert # long list of local-zones above. If this Unbound is a dns server 775ff825849SDag-Erling Smørgrav # for a network of computers, disabled is better and stops information 776ff825849SDag-Erling Smørgrav # leakage of local lan information. 777ff825849SDag-Erling Smørgrav # unblock-lan-zones: no 77817d15b25SDag-Erling Smørgrav 7790de4f1bfSDag-Erling Smørgrav # The insecure-lan-zones option disables validation for 7800de4f1bfSDag-Erling Smørgrav # these zones, as if they were all listed as domain-insecure. 7810de4f1bfSDag-Erling Smørgrav # insecure-lan-zones: no 7820de4f1bfSDag-Erling Smørgrav 783b7579f77SDag-Erling Smørgrav # a number of locally served zones can be configured. 784b7579f77SDag-Erling Smørgrav # local-zone: <zone> <type> 785b7579f77SDag-Erling Smørgrav # local-data: "<resource record string>" 786b7579f77SDag-Erling Smørgrav # o deny serves local data (if any), else, drops queries. 787b7579f77SDag-Erling Smørgrav # o refuse serves local data (if any), else, replies with error. 788b7579f77SDag-Erling Smørgrav # o static serves local data, else, nxdomain or nodata answer. 789b7579f77SDag-Erling Smørgrav # o transparent gives local data, but resolves normally for other names 790b7579f77SDag-Erling Smørgrav # o redirect serves the zone data for any subdomain in the zone. 791b7579f77SDag-Erling Smørgrav # o nodefault can be used to normally resolve AS112 zones. 792b7579f77SDag-Erling Smørgrav # o typetransparent resolves normally for other types and other names 793bc892140SDag-Erling Smørgrav # o inform acts like transparent, but logs client IP address 79409a3aaf3SDag-Erling Smørgrav # o inform_deny drops queries and logs client IP address 795e86b9096SDag-Erling Smørgrav # o inform_redirect redirects queries and logs client IP address 796f44e67d1SCy Schubert # o always_transparent, always_refuse, always_nxdomain, always_nodata, 797f44e67d1SCy Schubert # always_deny resolve in that way but ignore local data for 798f44e67d1SCy Schubert # that name 799f44e67d1SCy Schubert # o always_null returns 0.0.0.0 or ::0 for any name in the zone. 80057bddd21SDag-Erling Smørgrav # o noview breaks out of that view towards global local-zones. 801b7579f77SDag-Erling Smørgrav # 802b7579f77SDag-Erling Smørgrav # defaults are localhost address, reverse for 127.0.0.1 and ::1 803b7579f77SDag-Erling Smørgrav # and nxdomain for AS112 zones. If you configure one of these zones 804b7579f77SDag-Erling Smørgrav # the default content is omitted, or you can omit it with 'nodefault'. 805b7579f77SDag-Erling Smørgrav # 806b7579f77SDag-Erling Smørgrav # If you configure local-data without specifying local-zone, by 807b7579f77SDag-Erling Smørgrav # default a transparent local-zone is created for the data. 808b7579f77SDag-Erling Smørgrav # 809b7579f77SDag-Erling Smørgrav # You can add locally served data with 810b7579f77SDag-Erling Smørgrav # local-zone: "local." static 811b7579f77SDag-Erling Smørgrav # local-data: "mycomputer.local. IN A 192.0.2.51" 812b7579f77SDag-Erling Smørgrav # local-data: 'mytext.local TXT "content of text record"' 813b7579f77SDag-Erling Smørgrav # 814b7579f77SDag-Erling Smørgrav # You can override certain queries with 815b7579f77SDag-Erling Smørgrav # local-data: "adserver.example.com A 127.0.0.1" 816b7579f77SDag-Erling Smørgrav # 817b7579f77SDag-Erling Smørgrav # You can redirect a domain to a fixed address with 818b7579f77SDag-Erling Smørgrav # (this makes example.com, www.example.com, etc, all go to 192.0.2.3) 819b7579f77SDag-Erling Smørgrav # local-zone: "example.com" redirect 820b7579f77SDag-Erling Smørgrav # local-data: "example.com A 192.0.2.3" 821b7579f77SDag-Erling Smørgrav # 822b7579f77SDag-Erling Smørgrav # Shorthand to make PTR records, "IPv4 name" or "IPv6 name". 823b7579f77SDag-Erling Smørgrav # You can also add PTR records using local-data directly, but then 824b7579f77SDag-Erling Smørgrav # you need to do the reverse notation yourself. 825b7579f77SDag-Erling Smørgrav # local-data-ptr: "192.0.2.3 www.example.com" 826b7579f77SDag-Erling Smørgrav 827b5663de9SDag-Erling Smørgrav # tag a localzone with a list of tag names (in "" with spaces between) 828b5663de9SDag-Erling Smørgrav # local-zone-tag: "example.com" "tag2 tag3" 829b5663de9SDag-Erling Smørgrav 830b5663de9SDag-Erling Smørgrav # add a netblock specific override to a localzone, with zone type 831b5663de9SDag-Erling Smørgrav # local-zone-override: "example.com" 192.0.2.0/24 refuse 832b5663de9SDag-Erling Smørgrav 833c0caa2e2SCy Schubert # service clients over TLS (on the TCP sockets) with plain DNS inside 834c0caa2e2SCy Schubert # the TLS stream, and over HTTPS using HTTP/2 as specified in RFC8484. 835c0caa2e2SCy Schubert # Give the certificate to use and private key. 836b7579f77SDag-Erling Smørgrav # default is "" (disabled). requires restart to take effect. 83757bddd21SDag-Erling Smørgrav # tls-service-key: "path/to/privatekeyfile.key" 83857bddd21SDag-Erling Smørgrav # tls-service-pem: "path/to/publiccertfile.pem" 83957bddd21SDag-Erling Smørgrav # tls-port: 853 840c0caa2e2SCy Schubert # https-port: 443 841b7579f77SDag-Erling Smørgrav 842e86b9096SDag-Erling Smørgrav # cipher setting for TLSv1.2 843e86b9096SDag-Erling Smørgrav # tls-ciphers: "DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256" 844e86b9096SDag-Erling Smørgrav # cipher setting for TLSv1.3 845e86b9096SDag-Erling Smørgrav # tls-ciphersuites: "TLS_AES_128_GCM_SHA256:TLS_AES_128_CCM_8_SHA256:TLS_AES_128_CCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256" 846e86b9096SDag-Erling Smørgrav 847f44e67d1SCy Schubert # Pad responses to padded queries received over TLS 848f44e67d1SCy Schubert # pad-responses: yes 849f44e67d1SCy Schubert 850f44e67d1SCy Schubert # Padded responses will be padded to the closest multiple of this size. 851f44e67d1SCy Schubert # pad-responses-block-size: 468 852f44e67d1SCy Schubert 85325039b37SCy Schubert # Use the SNI extension for TLS connections. Default is yes. 85425039b37SCy Schubert # Changing the value requires a reload. 85525039b37SCy Schubert # tls-use-sni: yes 85625039b37SCy Schubert 857e86b9096SDag-Erling Smørgrav # Add the secret file for TLS Session Ticket. 858e86b9096SDag-Erling Smørgrav # Secret file must be 80 bytes of random data. 859e86b9096SDag-Erling Smørgrav # First key use to encrypt and decrypt TLS session tickets. 860e86b9096SDag-Erling Smørgrav # Other keys use to decrypt only. 861e86b9096SDag-Erling Smørgrav # requires restart to take effect. 862e86b9096SDag-Erling Smørgrav # tls-session-ticket-keys: "path/to/secret_file1" 863e86b9096SDag-Erling Smørgrav # tls-session-ticket-keys: "path/to/secret_file2" 864e86b9096SDag-Erling Smørgrav 8650fb34990SDag-Erling Smørgrav # request upstream over TLS (with plain DNS inside the TLS stream). 866b7579f77SDag-Erling Smørgrav # Default is no. Can be turned on and off with unbound-control. 86757bddd21SDag-Erling Smørgrav # tls-upstream: no 86857bddd21SDag-Erling Smørgrav 86957bddd21SDag-Erling Smørgrav # Certificates used to authenticate connections made upstream. 87057bddd21SDag-Erling Smørgrav # tls-cert-bundle: "" 871b7579f77SDag-Erling Smørgrav 8723bd4df0aSDag-Erling Smørgrav # Add system certs to the cert bundle, from the Windows Cert Store 8733bd4df0aSDag-Erling Smørgrav # tls-win-cert: no 874a39a5a69SCy Schubert # and on other systems, the default openssl certificates 875a39a5a69SCy Schubert # tls-system-cert: no 8763bd4df0aSDag-Erling Smørgrav 877f44e67d1SCy Schubert # Pad queries over TLS upstreams 878f44e67d1SCy Schubert # pad-queries: yes 879f44e67d1SCy Schubert 880f44e67d1SCy Schubert # Padded queries will be padded to the closest multiple of this size. 881f44e67d1SCy Schubert # pad-queries-block-size: 128 882f44e67d1SCy Schubert 8830fb34990SDag-Erling Smørgrav # Also serve tls on these port numbers (eg. 443, ...), by listing 8847da0adf7SDag-Erling Smørgrav # tls-additional-port: portno for each of the port numbers. 8850fb34990SDag-Erling Smørgrav 886c0caa2e2SCy Schubert # HTTP endpoint to provide DNS-over-HTTPS service on. 887c0caa2e2SCy Schubert # http-endpoint: "/dns-query" 888c0caa2e2SCy Schubert 889c0caa2e2SCy Schubert # HTTP/2 SETTINGS_MAX_CONCURRENT_STREAMS value to use. 890c0caa2e2SCy Schubert # http-max-streams: 100 891c0caa2e2SCy Schubert 892c0caa2e2SCy Schubert # Maximum number of bytes used for all HTTP/2 query buffers. 893c0caa2e2SCy Schubert # http-query-buffer-size: 4m 894c0caa2e2SCy Schubert 895c0caa2e2SCy Schubert # Maximum number of bytes used for all HTTP/2 response buffers. 896c0caa2e2SCy Schubert # http-response-buffer-size: 4m 897c0caa2e2SCy Schubert 898c0caa2e2SCy Schubert # Set TCP_NODELAY socket option on sockets used for DNS-over-HTTPS 899c0caa2e2SCy Schubert # service. 900c0caa2e2SCy Schubert # http-nodelay: yes 901c0caa2e2SCy Schubert 902369c6923SCy Schubert # Disable TLS for DNS-over-HTTP downstream service. 903369c6923SCy Schubert # http-notls-downstream: no 904369c6923SCy Schubert 905*865f46b2SCy Schubert # The interfaces that use these listed port numbers will support and 906*865f46b2SCy Schubert # expect PROXYv2. For UDP and TCP/TLS interfaces. 907*865f46b2SCy Schubert # proxy-protocol-port: portno for each of the port numbers. 908*865f46b2SCy Schubert 909ff825849SDag-Erling Smørgrav # DNS64 prefix. Must be specified when DNS64 is use. 910ff825849SDag-Erling Smørgrav # Enable dns64 in module-config. Used to synthesize IPv6 from IPv4. 911ff825849SDag-Erling Smørgrav # dns64-prefix: 64:ff9b::0/96 912ff825849SDag-Erling Smørgrav 9134c75e3aaSDag-Erling Smørgrav # DNS64 ignore AAAA records for these domains and use A instead. 9144c75e3aaSDag-Erling Smørgrav # dns64-ignore-aaaa: "example.com" 9154c75e3aaSDag-Erling Smørgrav 91609a3aaf3SDag-Erling Smørgrav # ratelimit for uncached, new queries, this limits recursion effort. 91709a3aaf3SDag-Erling Smørgrav # ratelimiting is experimental, and may help against randomqueryflood. 91809a3aaf3SDag-Erling Smørgrav # if 0(default) it is disabled, otherwise state qps allowed per zone. 91909a3aaf3SDag-Erling Smørgrav # ratelimit: 0 92009a3aaf3SDag-Erling Smørgrav 92109a3aaf3SDag-Erling Smørgrav # ratelimits are tracked in a cache, size in bytes of cache (or k,m). 92209a3aaf3SDag-Erling Smørgrav # ratelimit-size: 4m 92309a3aaf3SDag-Erling Smørgrav # ratelimit cache slabs, reduces lock contention if equal to cpucount. 92409a3aaf3SDag-Erling Smørgrav # ratelimit-slabs: 4 92509a3aaf3SDag-Erling Smørgrav 92609a3aaf3SDag-Erling Smørgrav # 0 blocks when ratelimited, otherwise let 1/xth traffic through 92709a3aaf3SDag-Erling Smørgrav # ratelimit-factor: 10 92809a3aaf3SDag-Erling Smørgrav 9299cf5bc93SCy Schubert # Aggressive rate limit when the limit is reached and until demand has 9309cf5bc93SCy Schubert # decreased in a 2 second rate window. 9319cf5bc93SCy Schubert # ratelimit-backoff: no 9329cf5bc93SCy Schubert 93309a3aaf3SDag-Erling Smørgrav # override the ratelimit for a specific domain name. 93409a3aaf3SDag-Erling Smørgrav # give this setting multiple times to have multiple overrides. 93509a3aaf3SDag-Erling Smørgrav # ratelimit-for-domain: example.com 1000 93609a3aaf3SDag-Erling Smørgrav # override the ratelimits for all domains below a domain name 93709a3aaf3SDag-Erling Smørgrav # can give this multiple times, the name closest to the zone is used. 938b5663de9SDag-Erling Smørgrav # ratelimit-below-domain: com 1000 93909a3aaf3SDag-Erling Smørgrav 9403005e0a3SDag-Erling Smørgrav # global query ratelimit for all ip addresses. 9413005e0a3SDag-Erling Smørgrav # feature is experimental. 9423005e0a3SDag-Erling Smørgrav # if 0(default) it is disabled, otherwise states qps allowed per ip address 9433005e0a3SDag-Erling Smørgrav # ip-ratelimit: 0 9443005e0a3SDag-Erling Smørgrav 9453005e0a3SDag-Erling Smørgrav # ip ratelimits are tracked in a cache, size in bytes of cache (or k,m). 9463005e0a3SDag-Erling Smørgrav # ip-ratelimit-size: 4m 9473005e0a3SDag-Erling Smørgrav # ip ratelimit cache slabs, reduces lock contention if equal to cpucount. 9483005e0a3SDag-Erling Smørgrav # ip-ratelimit-slabs: 4 9493005e0a3SDag-Erling Smørgrav 9503005e0a3SDag-Erling Smørgrav # 0 blocks when ip is ratelimited, otherwise let 1/xth traffic through 9513005e0a3SDag-Erling Smørgrav # ip-ratelimit-factor: 10 9523005e0a3SDag-Erling Smørgrav 9539cf5bc93SCy Schubert # Aggressive rate limit when the limit is reached and until demand has 9549cf5bc93SCy Schubert # decreased in a 2 second rate window. 9559cf5bc93SCy Schubert # ip-ratelimit-backoff: no 9569cf5bc93SCy Schubert 9574c75e3aaSDag-Erling Smørgrav # Limit the number of connections simultaneous from a netblock 9584c75e3aaSDag-Erling Smørgrav # tcp-connection-limit: 192.0.2.0/24 12 9594c75e3aaSDag-Erling Smørgrav 960e86b9096SDag-Erling Smørgrav # select from the fastest servers this many times out of 1000. 0 means 961e86b9096SDag-Erling Smørgrav # the fast server select is disabled. prefetches are not sped up. 962e86b9096SDag-Erling Smørgrav # fast-server-permil: 0 963e86b9096SDag-Erling Smørgrav # the number of servers that will be used in the fast server selection. 964e86b9096SDag-Erling Smørgrav # fast-server-num: 3 9650fb34990SDag-Erling Smørgrav 966a39a5a69SCy Schubert # Enable to attach Extended DNS Error codes (RFC8914) to responses. 967a39a5a69SCy Schubert # ede: no 968a39a5a69SCy Schubert 969a39a5a69SCy Schubert # Enable to attach an Extended DNS Error (RFC8914) Code 3 - Stale 970a39a5a69SCy Schubert # Answer as EDNS0 option to expired responses. 971a39a5a69SCy Schubert # Note that the ede option above needs to be enabled for this to work. 972a39a5a69SCy Schubert # ede-serve-expired: no 973a39a5a69SCy Schubert 9749cf5bc93SCy Schubert # Specific options for ipsecmod. Unbound needs to be configured with 975c7f4d7adSDag-Erling Smørgrav # --enable-ipsecmod for these to take effect. 976c7f4d7adSDag-Erling Smørgrav # 977c7f4d7adSDag-Erling Smørgrav # Enable or disable ipsecmod (it still needs to be defined in 978c7f4d7adSDag-Erling Smørgrav # module-config above). Can be used when ipsecmod needs to be 979c7f4d7adSDag-Erling Smørgrav # enabled/disabled via remote-control(below). 980c7f4d7adSDag-Erling Smørgrav # ipsecmod-enabled: yes 981c7f4d7adSDag-Erling Smørgrav # 982c7f4d7adSDag-Erling Smørgrav # Path to executable external hook. It must be defined when ipsecmod is 983c7f4d7adSDag-Erling Smørgrav # listed in module-config (above). 984c7f4d7adSDag-Erling Smørgrav # ipsecmod-hook: "./my_executable" 985c7f4d7adSDag-Erling Smørgrav # 9869cf5bc93SCy Schubert # When enabled Unbound will reply with SERVFAIL if the return value of 987c7f4d7adSDag-Erling Smørgrav # the ipsecmod-hook is not 0. 988c7f4d7adSDag-Erling Smørgrav # ipsecmod-strict: no 989c7f4d7adSDag-Erling Smørgrav # 990c7f4d7adSDag-Erling Smørgrav # Maximum time to live (TTL) for cached A/AAAA records with IPSECKEY. 991c7f4d7adSDag-Erling Smørgrav # ipsecmod-max-ttl: 3600 992c7f4d7adSDag-Erling Smørgrav # 993c7f4d7adSDag-Erling Smørgrav # Reply with A/AAAA even if the relevant IPSECKEY is bogus. Mainly used for 994c7f4d7adSDag-Erling Smørgrav # testing. 995c7f4d7adSDag-Erling Smørgrav # ipsecmod-ignore-bogus: no 996c7f4d7adSDag-Erling Smørgrav # 997c7f4d7adSDag-Erling Smørgrav # Domains for which ipsecmod will be triggered. If not defined (default) 998c0caa2e2SCy Schubert # all domains are treated as being allowed. 999c0caa2e2SCy Schubert # ipsecmod-allow: "example.com" 1000c0caa2e2SCy Schubert # ipsecmod-allow: "nlnetlabs.nl" 1001c7f4d7adSDag-Erling Smørgrav 10025469a995SCy Schubert # Timeout for REUSE entries in milliseconds. 10035469a995SCy Schubert # tcp-reuse-timeout: 60000 10045469a995SCy Schubert # Max number of queries on a reuse connection. 10055469a995SCy Schubert # max-reuse-tcp-queries: 200 10065469a995SCy Schubert # Timeout in milliseconds for TCP queries to auth servers. 10075469a995SCy Schubert # tcp-auth-query-timeout: 3000 10085469a995SCy Schubert 10093005e0a3SDag-Erling Smørgrav 1010b7579f77SDag-Erling Smørgrav# Python config section. To enable: 1011b7579f77SDag-Erling Smørgrav# o use --with-pythonmodule to configure before compiling. 1012b7579f77SDag-Erling Smørgrav# o list python in the module-config string (above) to enable. 1013e86b9096SDag-Erling Smørgrav# It can be at the start, it gets validated results, or just before 1014e86b9096SDag-Erling Smørgrav# the iterator and process before DNSSEC validation. 1015b7579f77SDag-Erling Smørgrav# o and give a python-script to run. 1016b7579f77SDag-Erling Smørgravpython: 1017b7579f77SDag-Erling Smørgrav # Script file to load 1018b7579f77SDag-Erling Smørgrav # python-script: "@UNBOUND_SHARE_DIR@/ubmodule-tst.py" 1019b7579f77SDag-Erling Smørgrav 102025039b37SCy Schubert# Dynamic library config section. To enable: 102125039b37SCy Schubert# o use --with-dynlibmodule to configure before compiling. 102225039b37SCy Schubert# o list dynlib in the module-config string (above) to enable. 102325039b37SCy Schubert# It can be placed anywhere, the dynlib module is only a very thin wrapper 102425039b37SCy Schubert# to load modules dynamically. 102525039b37SCy Schubert# o and give a dynlib-file to run. If more than one dynlib entry is listed in 102625039b37SCy Schubert# the module-config then you need one dynlib-file per instance. 102725039b37SCy Schubertdynlib: 102825039b37SCy Schubert # Script file to load 102925039b37SCy Schubert # dynlib-file: "@UNBOUND_SHARE_DIR@/dynlib.so" 103025039b37SCy Schubert 1031b7579f77SDag-Erling Smørgrav# Remote control config section. 1032b7579f77SDag-Erling Smørgravremote-control: 1033b7579f77SDag-Erling Smørgrav # Enable remote control with unbound-control(8) here. 1034b7579f77SDag-Erling Smørgrav # set up the keys and certificates with unbound-control-setup. 1035b7579f77SDag-Erling Smørgrav # control-enable: no 1036b7579f77SDag-Erling Smørgrav 1037b7579f77SDag-Erling Smørgrav # what interfaces are listened to for remote control. 1038b7579f77SDag-Erling Smørgrav # give 0.0.0.0 and ::0 to listen to all interfaces. 10397da0adf7SDag-Erling Smørgrav # set to an absolute path to use a unix local name pipe, certificates 10407da0adf7SDag-Erling Smørgrav # are not used for that, so key and cert files need not be present. 1041b7579f77SDag-Erling Smørgrav # control-interface: 127.0.0.1 1042b7579f77SDag-Erling Smørgrav # control-interface: ::1 1043b7579f77SDag-Erling Smørgrav 1044b7579f77SDag-Erling Smørgrav # port number for remote control operations. 1045b7579f77SDag-Erling Smørgrav # control-port: 8953 1046b7579f77SDag-Erling Smørgrav 10477da0adf7SDag-Erling Smørgrav # for localhost, you can disable use of TLS by setting this to "no" 10487da0adf7SDag-Erling Smørgrav # For local sockets this option is ignored, and TLS is not used. 10497da0adf7SDag-Erling Smørgrav # control-use-cert: "yes" 10507da0adf7SDag-Erling Smørgrav 10519cf5bc93SCy Schubert # Unbound server key file. 1052b7579f77SDag-Erling Smørgrav # server-key-file: "@UNBOUND_RUN_DIR@/unbound_server.key" 1053b7579f77SDag-Erling Smørgrav 10549cf5bc93SCy Schubert # Unbound server certificate file. 1055b7579f77SDag-Erling Smørgrav # server-cert-file: "@UNBOUND_RUN_DIR@/unbound_server.pem" 1056b7579f77SDag-Erling Smørgrav 1057b7579f77SDag-Erling Smørgrav # unbound-control key file. 1058b7579f77SDag-Erling Smørgrav # control-key-file: "@UNBOUND_RUN_DIR@/unbound_control.key" 1059b7579f77SDag-Erling Smørgrav 1060b7579f77SDag-Erling Smørgrav # unbound-control certificate file. 1061b7579f77SDag-Erling Smørgrav # control-cert-file: "@UNBOUND_RUN_DIR@/unbound_control.pem" 1062b7579f77SDag-Erling Smørgrav 1063b7579f77SDag-Erling Smørgrav# Stub zones. 1064b7579f77SDag-Erling Smørgrav# Create entries like below, to make all queries for 'example.com' and 1065b7579f77SDag-Erling Smørgrav# 'example.org' go to the given list of nameservers. list zero or more 1066b7579f77SDag-Erling Smørgrav# nameservers by hostname or by ipaddress. If you set stub-prime to yes, 1067b7579f77SDag-Erling Smørgrav# the list is treated as priming hints (default is no). 1068b7579f77SDag-Erling Smørgrav# With stub-first yes, it attempts without the stub if it fails. 1069b75612f8SDag-Erling Smørgrav# Consider adding domain-insecure: name and local-zone: name nodefault 1070b75612f8SDag-Erling Smørgrav# to the server: section if the stub is a locally served zone. 1071b7579f77SDag-Erling Smørgrav# stub-zone: 1072b7579f77SDag-Erling Smørgrav# name: "example.com" 1073b7579f77SDag-Erling Smørgrav# stub-addr: 192.0.2.68 1074b7579f77SDag-Erling Smørgrav# stub-prime: no 1075b7579f77SDag-Erling Smørgrav# stub-first: no 107624e36522SCy Schubert# stub-tcp-upstream: no 107757bddd21SDag-Erling Smørgrav# stub-tls-upstream: no 10784c75e3aaSDag-Erling Smørgrav# stub-no-cache: no 1079b7579f77SDag-Erling Smørgrav# stub-zone: 1080b7579f77SDag-Erling Smørgrav# name: "example.org" 1081b7579f77SDag-Erling Smørgrav# stub-host: ns.example.com. 1082b7579f77SDag-Erling Smørgrav 1083b7579f77SDag-Erling Smørgrav# Forward zones 1084b7579f77SDag-Erling Smørgrav# Create entries like below, to make all queries for 'example.com' and 1085b7579f77SDag-Erling Smørgrav# 'example.org' go to the given list of servers. These servers have to handle 1086b7579f77SDag-Erling Smørgrav# recursion to other nameservers. List zero or more nameservers by hostname 1087b7579f77SDag-Erling Smørgrav# or by ipaddress. Use an entry with name "." to forward all queries. 1088b7579f77SDag-Erling Smørgrav# If you enable forward-first, it attempts without the forward if it fails. 1089b7579f77SDag-Erling Smørgrav# forward-zone: 1090b7579f77SDag-Erling Smørgrav# name: "example.com" 1091b7579f77SDag-Erling Smørgrav# forward-addr: 192.0.2.68 1092b7579f77SDag-Erling Smørgrav# forward-addr: 192.0.2.73@5355 # forward to port 5355. 1093b7579f77SDag-Erling Smørgrav# forward-first: no 109424e36522SCy Schubert# forward-tcp-upstream: no 109557bddd21SDag-Erling Smørgrav# forward-tls-upstream: no 10964c75e3aaSDag-Erling Smørgrav# forward-no-cache: no 1097b7579f77SDag-Erling Smørgrav# forward-zone: 1098b7579f77SDag-Erling Smørgrav# name: "example.org" 1099b7579f77SDag-Erling Smørgrav# forward-host: fwd.example.com 1100bc892140SDag-Erling Smørgrav 110157bddd21SDag-Erling Smørgrav# Authority zones 110257bddd21SDag-Erling Smørgrav# The data for these zones is kept locally, from a file or downloaded. 110357bddd21SDag-Erling Smørgrav# The data can be served to downstream clients, or used instead of the 110457bddd21SDag-Erling Smørgrav# upstream (which saves a lookup to the upstream). The first example 110557bddd21SDag-Erling Smørgrav# has a copy of the root for local usage. The second serves example.org 110657bddd21SDag-Erling Smørgrav# authoritatively. zonefile: reads from file (and writes to it if you also 1107c0caa2e2SCy Schubert# download it), primary: fetches with AXFR and IXFR, or url to zonefile. 11080a92a9fcSCy Schubert# With allow-notify: you can give additional (apart from primaries and urls) 11090a92a9fcSCy Schubert# sources of notifies. 111057bddd21SDag-Erling Smørgrav# auth-zone: 111157bddd21SDag-Erling Smørgrav# name: "." 1112c0caa2e2SCy Schubert# primary: 199.9.14.201 # b.root-servers.net 1113c0caa2e2SCy Schubert# primary: 192.33.4.12 # c.root-servers.net 1114c0caa2e2SCy Schubert# primary: 199.7.91.13 # d.root-servers.net 1115c0caa2e2SCy Schubert# primary: 192.5.5.241 # f.root-servers.net 1116c0caa2e2SCy Schubert# primary: 192.112.36.4 # g.root-servers.net 1117c0caa2e2SCy Schubert# primary: 193.0.14.129 # k.root-servers.net 1118c0caa2e2SCy Schubert# primary: 192.0.47.132 # xfr.cjr.dns.icann.org 1119c0caa2e2SCy Schubert# primary: 192.0.32.132 # xfr.lax.dns.icann.org 1120c0caa2e2SCy Schubert# primary: 2001:500:200::b # b.root-servers.net 1121c0caa2e2SCy Schubert# primary: 2001:500:2::c # c.root-servers.net 1122c0caa2e2SCy Schubert# primary: 2001:500:2d::d # d.root-servers.net 1123c0caa2e2SCy Schubert# primary: 2001:500:2f::f # f.root-servers.net 1124c0caa2e2SCy Schubert# primary: 2001:500:12::d0d # g.root-servers.net 1125c0caa2e2SCy Schubert# primary: 2001:7fd::1 # k.root-servers.net 1126c0caa2e2SCy Schubert# primary: 2620:0:2830:202::132 # xfr.cjr.dns.icann.org 1127c0caa2e2SCy Schubert# primary: 2620:0:2d0:202::132 # xfr.lax.dns.icann.org 1128e86b9096SDag-Erling Smørgrav# fallback-enabled: yes 112957bddd21SDag-Erling Smørgrav# for-downstream: no 113057bddd21SDag-Erling Smørgrav# for-upstream: yes 113157bddd21SDag-Erling Smørgrav# auth-zone: 113257bddd21SDag-Erling Smørgrav# name: "example.org" 113357bddd21SDag-Erling Smørgrav# for-downstream: yes 113457bddd21SDag-Erling Smørgrav# for-upstream: yes 11355469a995SCy Schubert# zonemd-check: no 11365469a995SCy Schubert# zonemd-reject-absence: no 113757bddd21SDag-Erling Smørgrav# zonefile: "example.org.zone" 113857bddd21SDag-Erling Smørgrav 1139bc892140SDag-Erling Smørgrav# Views 1140bc892140SDag-Erling Smørgrav# Create named views. Name must be unique. Map views to requests using 1141bc892140SDag-Erling Smørgrav# the access-control-view option. Views can contain zero or more local-zone 1142bc892140SDag-Erling Smørgrav# and local-data options. Options from matching views will override global 1143bc892140SDag-Erling Smørgrav# options. Global options will be used if no matching view is found. 1144bc892140SDag-Erling Smørgrav# With view-first yes, it will try to answer using the global local-zone and 1145bc892140SDag-Erling Smørgrav# local-data elements if there is no view specific match. 1146bc892140SDag-Erling Smørgrav# view: 1147bc892140SDag-Erling Smørgrav# name: "viewname" 1148bc892140SDag-Erling Smørgrav# local-zone: "example.com" redirect 1149bc892140SDag-Erling Smørgrav# local-data: "example.com A 192.0.2.3" 115065b390aaSDag-Erling Smørgrav# local-data-ptr: "192.0.2.3 www.example.com" 1151bc892140SDag-Erling Smørgrav# view-first: no 1152bc892140SDag-Erling Smørgrav# view: 1153bc892140SDag-Erling Smørgrav# name: "anotherview" 1154bc892140SDag-Erling Smørgrav# local-zone: "example.com" refuse 115565b390aaSDag-Erling Smørgrav 115665b390aaSDag-Erling Smørgrav# DNSCrypt 11579cf5bc93SCy Schubert# To enable, use --enable-dnscrypt to configure before compiling. 115865b390aaSDag-Erling Smørgrav# Caveats: 11599cf5bc93SCy Schubert# 1. the keys/certs cannot be produced by Unbound. You can use dnscrypt-wrapper 116065b390aaSDag-Erling Smørgrav# for this: https://github.com/cofyc/dnscrypt-wrapper/blob/master/README.md#usage 116165b390aaSDag-Erling Smørgrav# 2. dnscrypt channel attaches to an interface. you MUST set interfaces to 116265b390aaSDag-Erling Smørgrav# listen on `dnscrypt-port` with the follo0wing snippet: 116365b390aaSDag-Erling Smørgrav# server: 116465b390aaSDag-Erling Smørgrav# interface: 0.0.0.0@443 116565b390aaSDag-Erling Smørgrav# interface: ::0@443 116665b390aaSDag-Erling Smørgrav# 116765b390aaSDag-Erling Smørgrav# Finally, `dnscrypt` config has its own section. 116865b390aaSDag-Erling Smørgrav# dnscrypt: 116965b390aaSDag-Erling Smørgrav# dnscrypt-enable: yes 117065b390aaSDag-Erling Smørgrav# dnscrypt-port: 443 117165b390aaSDag-Erling Smørgrav# dnscrypt-provider: 2.dnscrypt-cert.example.com. 117265b390aaSDag-Erling Smørgrav# dnscrypt-secret-key: /path/unbound-conf/keys1/1.key 117365b390aaSDag-Erling Smørgrav# dnscrypt-secret-key: /path/unbound-conf/keys2/1.key 117465b390aaSDag-Erling Smørgrav# dnscrypt-provider-cert: /path/unbound-conf/keys1/1.cert 117565b390aaSDag-Erling Smørgrav# dnscrypt-provider-cert: /path/unbound-conf/keys2/1.cert 1176971980c3SDag-Erling Smørgrav 1177971980c3SDag-Erling Smørgrav# CacheDB 11789cf5bc93SCy Schubert# External backend DB as auxiliary cache. 11799cf5bc93SCy Schubert# To enable, use --enable-cachedb to configure before compiling. 11809cf5bc93SCy Schubert# Specify the backend name 1181971980c3SDag-Erling Smørgrav# (default is "testframe", which has no use other than for debugging and 1182971980c3SDag-Erling Smørgrav# testing) and backend-specific options. The 'cachedb' module must be 1183e86b9096SDag-Erling Smørgrav# included in module-config, just before the iterator module. 1184971980c3SDag-Erling Smørgrav# cachedb: 1185971980c3SDag-Erling Smørgrav# backend: "testframe" 1186971980c3SDag-Erling Smørgrav# # secret seed string to calculate hashed keys 1187971980c3SDag-Erling Smørgrav# secret-seed: "default" 11880fb34990SDag-Erling Smørgrav# 11890fb34990SDag-Erling Smørgrav# # For "redis" backend: 11909cf5bc93SCy Schubert# # (to enable, use --with-libhiredis to configure before compiling) 11910fb34990SDag-Erling Smørgrav# # redis server's IP address or host name 11920fb34990SDag-Erling Smørgrav# redis-server-host: 127.0.0.1 11930fb34990SDag-Erling Smørgrav# # redis server's TCP port 11940fb34990SDag-Erling Smørgrav# redis-server-port: 6379 11950fb34990SDag-Erling Smørgrav# # timeout (in ms) for communication with the redis server 11960fb34990SDag-Erling Smørgrav# redis-timeout: 100 119725039b37SCy Schubert# # set timeout on redis records based on DNS response TTL 119825039b37SCy Schubert# redis-expire-records: no 11990eefd307SCy Schubert 12000eefd307SCy Schubert# IPSet 12010eefd307SCy Schubert# Add specify domain into set via ipset. 12029cf5bc93SCy Schubert# To enable: 12039cf5bc93SCy Schubert# o use --enable-ipset to configure before compiling; 12049cf5bc93SCy Schubert# o Unbound then needs to run as root user. 12050eefd307SCy Schubert# ipset: 12060eefd307SCy Schubert# # set name for ip v4 addresses 12070eefd307SCy Schubert# name-v4: "list-v4" 12080eefd307SCy Schubert# # set name for ip v6 addresses 12090eefd307SCy Schubert# name-v6: "list-v6" 12100eefd307SCy Schubert# 12110eefd307SCy Schubert 12129cf5bc93SCy Schubert# Dnstap logging support, if compiled in by using --enable-dnstap to configure. 12139cf5bc93SCy Schubert# To enable, set the dnstap-enable to yes and also some of 12149cf5bc93SCy Schubert# dnstap-log-..-messages to yes. And select an upstream log destination, by 12159cf5bc93SCy Schubert# socket path, TCP or TLS destination. 121625039b37SCy Schubert# dnstap: 121725039b37SCy Schubert# dnstap-enable: no 121825039b37SCy Schubert# # if set to yes frame streams will be used in bidirectional mode 121925039b37SCy Schubert# dnstap-bidirectional: yes 122025039b37SCy Schubert# dnstap-socket-path: "@DNSTAP_SOCKET_PATH@" 122125039b37SCy Schubert# # if "" use the unix socket in dnstap-socket-path, otherwise, 122225039b37SCy Schubert# # set it to "IPaddress[@port]" of the destination. 122325039b37SCy Schubert# dnstap-ip: "" 122425039b37SCy Schubert# # if set to yes if you want to use TLS to dnstap-ip, no for TCP. 122525039b37SCy Schubert# dnstap-tls: yes 122625039b37SCy Schubert# # name for authenticating the upstream server. or "" disabled. 122725039b37SCy Schubert# dnstap-tls-server-name: "" 12289cf5bc93SCy Schubert# # if "", it uses the cert bundle from the main Unbound config. 122925039b37SCy Schubert# dnstap-tls-cert-bundle: "" 123025039b37SCy Schubert# # key file for client authentication, or "" disabled. 123125039b37SCy Schubert# dnstap-tls-client-key-file: "" 123225039b37SCy Schubert# # cert file for client authentication, or "" disabled. 123325039b37SCy Schubert# dnstap-tls-client-cert-file: "" 123425039b37SCy Schubert# dnstap-send-identity: no 123525039b37SCy Schubert# dnstap-send-version: no 123625039b37SCy Schubert# # if "" it uses the hostname. 123725039b37SCy Schubert# dnstap-identity: "" 123825039b37SCy Schubert# # if "" it uses the package version. 123925039b37SCy Schubert# dnstap-version: "" 124025039b37SCy Schubert# dnstap-log-resolver-query-messages: no 124125039b37SCy Schubert# dnstap-log-resolver-response-messages: no 124225039b37SCy Schubert# dnstap-log-client-query-messages: no 124325039b37SCy Schubert# dnstap-log-client-response-messages: no 124425039b37SCy Schubert# dnstap-log-forwarder-query-messages: no 124525039b37SCy Schubert# dnstap-log-forwarder-response-messages: no 124625039b37SCy Schubert 1247091e9e46SCy Schubert# Response Policy Zones 124824e36522SCy Schubert# RPZ policies. Applied in order of configuration. QNAME, Response IP 124924e36522SCy Schubert# Address, nsdname, nsip and clientip triggers are supported. Supported 125024e36522SCy Schubert# actions are: NXDOMAIN, NODATA, PASSTHRU, DROP, Local Data, tcp-only 125124e36522SCy Schubert# and drop. Policies can be loaded from a file, or using zone 125224e36522SCy Schubert# transfer, or using HTTP. The respip module needs to be added 1253091e9e46SCy Schubert# to the module-config, e.g.: module-config: "respip validator iterator". 1254091e9e46SCy Schubert# rpz: 1255091e9e46SCy Schubert# name: "rpz.example.com" 1256091e9e46SCy Schubert# zonefile: "rpz.example.com" 1257c0caa2e2SCy Schubert# primary: 192.0.2.0 1258091e9e46SCy Schubert# allow-notify: 192.0.2.0/32 1259091e9e46SCy Schubert# url: http://www.example.com/rpz.example.org.zone 1260091e9e46SCy Schubert# rpz-action-override: cname 1261091e9e46SCy Schubert# rpz-cname-override: www.example.org 1262091e9e46SCy Schubert# rpz-log: yes 1263091e9e46SCy Schubert# rpz-log-name: "example policy" 12649cf5bc93SCy Schubert# rpz-signal-nxdomain-ra: no 12659cf5bc93SCy Schubert# for-downstream: no 1266091e9e46SCy Schubert# tags: "example" 1267