2014-01-08 ISC Internet Systems Consortium, Inc. named.conf 5 BIND9 named.conf configuration file for named 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Internet Systems Consortium, Inc. ("ISC") named.conf named.conf is the configuration file for named. Statements are enclosed in braces and terminated with a semi-colon. Clauses in the statements are also semi-colon terminated. The usual comment styles are supported: C style: /* */ C++ style: // to end of line Unix style: # to end of line acl string { address_match_element; ... }; key domain_name { algorithm string; secret string; }; masters string port integer { ( masters | ipv4_address port integer | ipv6_address port integer ) key string ; ... }; server ( ipv4_address/prefixlen | ipv6_address/prefixlen ) { bogus boolean; edns boolean; edns-udp-size integer; max-udp-size integer; tcp-only boolean; provide-ixfr boolean; request-ixfr boolean; keys server_key; transfers integer; transfer-format ( many-answers | one-answer ); transfer-source ( ipv4_address | * ) port ( integer | * ) ; transfer-source-v6 ( ipv6_address | * ) port ( integer | * ) ; support-ixfr boolean; // obsolete }; trusted-keys { domain_name flags protocol algorithm key; ... }; managed-keys { domain_name initial-key flags protocol algorithm key; ... }; controls { inet ( ipv4_address | ipv6_address | * ) port ( integer | * ) allow { address_match_element; ... } keys { string; ... } ; unix unsupported; // not implemented }; logging { channel string { file log_file; syslog optional_facility; null; stderr; severity log_severity; print-time boolean; print-severity boolean; print-category boolean; }; category string { string; ... }; }; lwres { listen-on port integer { ( ipv4_address | ipv6_address ) port integer ; ... }; view string optional_class; search { string; ... }; ndots integer; }; options { avoid-v4-udp-ports { port; ... }; avoid-v6-udp-ports { port; ... }; blackhole { address_match_element; ... }; coresize size; datasize size; directory quoted_string; dump-file quoted_string; files size; heartbeat-interval integer; host-statistics boolean; // not implemented host-statistics-max number; // not implemented hostname ( quoted_string | none ); interface-interval integer; listen-on port integer { address_match_element; ... }; listen-on-v6 port integer { address_match_element; ... }; match-mapped-addresses boolean; memstatistics-file quoted_string; pid-file ( quoted_string | none ); port integer; querylog boolean; recursing-file quoted_string; reserved-sockets integer; random-device quoted_string; recursive-clients integer; serial-query-rate integer; server-id ( quoted_string | hostname | none ); stacksize size; statistics-file quoted_string; statistics-interval integer; // not yet implemented tcp-clients integer; tcp-listen-queue integer; tkey-dhkey quoted_string integer; tkey-gssapi-credential quoted_string; tkey-gssapi-keytab quoted_string; tkey-domain quoted_string; transfers-per-ns integer; transfers-in integer; transfers-out integer; version ( quoted_string | none ); allow-recursion { address_match_element; ... }; allow-recursion-on { address_match_element; ... }; sortlist { address_match_element; ... }; topology { address_match_element; ... }; // not implemented auth-nxdomain boolean; // default changed minimal-responses boolean; recursion boolean; rrset-order { class string type string name quoted_string string string; ... }; provide-ixfr boolean; request-ixfr boolean; rfc2308-type1 boolean; // not yet implemented additional-from-auth boolean; additional-from-cache boolean; query-source ( ( ipv4_address | * ) | address ( ipv4_address | * ) ) port ( integer | * ) ; query-source-v6 ( ( ipv6_address | * ) | address ( ipv6_address | * ) ) port ( integer | * ) ; use-queryport-pool boolean; queryport-pool-ports integer; queryport-pool-updateinterval integer; cleaning-interval integer; resolver-query-timeout integer; min-roots integer; // not implemented lame-ttl integer; max-ncache-ttl integer; max-cache-ttl integer; transfer-format ( many-answers | one-answer ); max-cache-size size; max-acache-size size; clients-per-query number; max-clients-per-query number; check-names ( master | slave | response ) ( fail | warn | ignore ); check-mx ( fail | warn | ignore ); check-integrity boolean; check-mx-cname ( fail | warn | ignore ); check-srv-cname ( fail | warn | ignore ); cache-file quoted_string; // test option suppress-initial-notify boolean; // not yet implemented preferred-glue string; dual-stack-servers port integer { ( quoted_string port integer | ipv4_address port integer | ipv6_address port integer ); ... }; edns-udp-size integer; max-udp-size integer; root-delegation-only exclude { quoted_string; ... } ; disable-algorithms string { string; ... }; disable-ds-digests string { string; ... }; dnssec-enable boolean; dnssec-validation boolean; dnssec-lookaside ( auto | no | domain trust-anchor domain ); dnssec-must-be-secure string boolean; dnssec-accept-expired boolean; dns64-server string; dns64-contact string; dns64 prefix { clients { acl; }; exclude { acl; }; mapped { acl; }; break-dnssec boolean; recursive-only boolean; suffix ipv6_address; }; empty-server string; empty-contact string; empty-zones-enable boolean; disable-empty-zone string; dialup dialuptype; ixfr-from-differences ixfrdiff; allow-query { address_match_element; ... }; allow-query-on { address_match_element; ... }; allow-query-cache { address_match_element; ... }; allow-query-cache-on { address_match_element; ... }; allow-transfer { address_match_element; ... }; allow-update { address_match_element; ... }; allow-update-forwarding { address_match_element; ... }; update-check-ksk boolean; dnssec-dnskey-kskonly boolean; masterfile-format ( text | raw | map ); notify notifytype; notify-source ( ipv4_address | * ) port ( integer | * ) ; notify-source-v6 ( ipv6_address | * ) port ( integer | * ) ; notify-delay seconds; notify-to-soa boolean; also-notify port integer { ( ipv4_address | ipv6_address ) port integer ; ... key keyname ... }; allow-notify { address_match_element; ... }; forward ( first | only ); forwarders port integer { ( ipv4_address | ipv6_address ) port integer ; ... }; max-journal-size size_no_default; max-records integer; max-transfer-time-in integer; max-transfer-time-out integer; max-transfer-idle-in integer; max-transfer-idle-out integer; max-retry-time integer; min-retry-time integer; max-refresh-time integer; min-refresh-time integer; multi-master boolean; sig-validity-interval integer; sig-re-signing-interval integer; sig-signing-nodes integer; sig-signing-signatures integer; sig-signing-type integer; transfer-source ( ipv4_address | * ) port ( integer | * ) ; transfer-source-v6 ( ipv6_address | * ) port ( integer | * ) ; alt-transfer-source ( ipv4_address | * ) port ( integer | * ) ; alt-transfer-source-v6 ( ipv6_address | * ) port ( integer | * ) ; use-alt-transfer-source boolean; zone-statistics boolean; key-directory quoted_string; managed-keys-directory quoted_string; auto-dnssec allow|maintain|off; try-tcp-refresh boolean; zero-no-soa-ttl boolean; zero-no-soa-ttl-cache boolean; dnssec-secure-to-insecure boolean; automatic-interface-scan boolean; deny-answer-addresses { address_match_list } except-from { namelist } ; deny-answer-aliases { namelist } except-from { namelist } ; nsec3-test-zone boolean; // testing only allow-v6-synthesis { address_match_element; ... }; // obsolete deallocate-on-exit boolean; // obsolete fake-iquery boolean; // obsolete fetch-glue boolean; // obsolete has-old-clients boolean; // obsolete maintain-ixfr-base boolean; // obsolete max-ixfr-log-size size; // obsolete multiple-cnames boolean; // obsolete named-xfer quoted_string; // obsolete serial-queries integer; // obsolete treat-cr-as-space boolean; // obsolete use-id-pool boolean; // obsolete use-ixfr boolean; // obsolete }; view string optional_class { match-clients { address_match_element; ... }; match-destinations { address_match_element; ... }; match-recursive-only boolean; key string { algorithm string; secret string; }; zone string optional_class { ... }; server ( ipv4_address/prefixlen | ipv6_address/prefixlen ) { ... }; trusted-keys { string integer integer integer quoted_string; ... }; managed-keys { domain_name initial-key flags protocol algorithm key; ... }; allow-recursion { address_match_element; ... }; allow-recursion-on { address_match_element; ... }; sortlist { address_match_element; ... }; topology { address_match_element; ... }; // not implemented auth-nxdomain boolean; // default changed minimal-responses boolean; recursion boolean; rrset-order { class string type string name quoted_string string string; ... }; provide-ixfr boolean; request-ixfr boolean; rfc2308-type1 boolean; // not yet implemented additional-from-auth boolean; additional-from-cache boolean; query-source ( ( ipv4_address | * ) | address ( ipv4_address | * ) ) port ( integer | * ) ; query-source-v6 ( ( ipv6_address | * ) | address ( ipv6_address | * ) ) port ( integer | * ) ; use-queryport-pool boolean; queryport-pool-ports integer; queryport-pool-updateinterval integer; cleaning-interval integer; resolver-query-timeout integer; min-roots integer; // not implemented lame-ttl integer; max-ncache-ttl integer; max-cache-ttl integer; transfer-format ( many-answers | one-answer ); max-cache-size size; max-acache-size size; clients-per-query number; max-clients-per-query number; check-names ( master | slave | response ) ( fail | warn | ignore ); check-mx ( fail | warn | ignore ); check-integrity boolean; check-mx-cname ( fail | warn | ignore ); check-srv-cname ( fail | warn | ignore ); cache-file quoted_string; // test option suppress-initial-notify boolean; // not yet implemented preferred-glue string; dual-stack-servers port integer { ( quoted_string port integer | ipv4_address port integer | ipv6_address port integer ); ... }; edns-udp-size integer; max-udp-size integer; root-delegation-only exclude { quoted_string; ... } ; disable-algorithms string { string; ... }; disable-ds-digests string { string; ... }; dnssec-enable boolean; dnssec-validation boolean; dnssec-lookaside ( auto | no | domain trust-anchor domain ); dnssec-must-be-secure string boolean; dnssec-accept-expired boolean; dns64-server string; dns64-contact string; dns64 prefix { clients { acl; }; exclude { acl; }; mapped { acl; }; break-dnssec boolean; recursive-only boolean; suffix ipv6_address; }; empty-server string; empty-contact string; empty-zones-enable boolean; disable-empty-zone string; dialup dialuptype; ixfr-from-differences ixfrdiff; allow-query { address_match_element; ... }; allow-query-on { address_match_element; ... }; allow-query-cache { address_match_element; ... }; allow-query-cache-on { address_match_element; ... }; allow-transfer { address_match_element; ... }; allow-update { address_match_element; ... }; allow-update-forwarding { address_match_element; ... }; update-check-ksk boolean; dnssec-dnskey-kskonly boolean; masterfile-format ( text | raw | map ); notify notifytype; notify-source ( ipv4_address | * ) port ( integer | * ) ; notify-source-v6 ( ipv6_address | * ) port ( integer | * ) ; notify-delay seconds; notify-to-soa boolean; also-notify port integer { ( ipv4_address | ipv6_address ) port integer ; ... key keyname ... }; allow-notify { address_match_element; ... }; forward ( first | only ); forwarders port integer { ( ipv4_address | ipv6_address ) port integer ; ... }; max-journal-size size_no_default; max-records integer; max-transfer-time-in integer; max-transfer-time-out integer; max-transfer-idle-in integer; max-transfer-idle-out integer; max-retry-time integer; min-retry-time integer; max-refresh-time integer; min-refresh-time integer; multi-master boolean; sig-validity-interval integer; transfer-source ( ipv4_address | * ) port ( integer | * ) ; transfer-source-v6 ( ipv6_address | * ) port ( integer | * ) ; alt-transfer-source ( ipv4_address | * ) port ( integer | * ) ; alt-transfer-source-v6 ( ipv6_address | * ) port ( integer | * ) ; use-alt-transfer-source boolean; zone-statistics boolean; try-tcp-refresh boolean; key-directory quoted_string; zero-no-soa-ttl boolean; zero-no-soa-ttl-cache boolean; dnssec-secure-to-insecure boolean; allow-v6-synthesis { address_match_element; ... }; // obsolete fetch-glue boolean; // obsolete maintain-ixfr-base boolean; // obsolete max-ixfr-log-size size; // obsolete }; zone string optional_class { type ( master | slave | stub | hint | redirect | forward | delegation-only ); file quoted_string; masters port integer { ( masters | ipv4_address port integer | ipv6_address port integer ) key string ; ... }; database string; delegation-only boolean; check-names ( fail | warn | ignore ); check-mx ( fail | warn | ignore ); check-integrity boolean; check-mx-cname ( fail | warn | ignore ); check-srv-cname ( fail | warn | ignore ); dialup dialuptype; ixfr-from-differences boolean; journal quoted_string; zero-no-soa-ttl boolean; dnssec-secure-to-insecure boolean; allow-query { address_match_element; ... }; allow-query-on { address_match_element; ... }; allow-transfer { address_match_element; ... }; allow-update { address_match_element; ... }; allow-update-forwarding { address_match_element; ... }; update-policy local | { ( grant | deny ) string ( name | subdomain | wildcard | self | selfsub | selfwild | krb5-self | ms-self | krb5-subdomain | ms-subdomain | tcp-self | zonesub | 6to4-self ) string rrtypelist; ... }; update-check-ksk boolean; dnssec-dnskey-kskonly boolean; masterfile-format ( text | raw | map ); notify notifytype; notify-source ( ipv4_address | * ) port ( integer | * ) ; notify-source-v6 ( ipv6_address | * ) port ( integer | * ) ; notify-delay seconds; notify-to-soa boolean; also-notify port integer { ( ipv4_address | ipv6_address ) port integer ; ... key keyname ... }; allow-notify { address_match_element; ... }; forward ( first | only ); forwarders port integer { ( ipv4_address | ipv6_address ) port integer ; ... }; max-journal-size size_no_default; max-records integer; max-transfer-time-in integer; max-transfer-time-out integer; max-transfer-idle-in integer; max-transfer-idle-out integer; max-retry-time integer; min-retry-time integer; max-refresh-time integer; min-refresh-time integer; multi-master boolean; request-ixfr boolean; sig-validity-interval integer; transfer-source ( ipv4_address | * ) port ( integer | * ) ; transfer-source-v6 ( ipv6_address | * ) port ( integer | * ) ; alt-transfer-source ( ipv4_address | * ) port ( integer | * ) ; alt-transfer-source-v6 ( ipv6_address | * ) port ( integer | * ) ; use-alt-transfer-source boolean; zone-statistics boolean; try-tcp-refresh boolean; key-directory quoted_string; nsec3-test-zone boolean; // testing only ixfr-base quoted_string; // obsolete ixfr-tmp-file quoted_string; // obsolete maintain-ixfr-base boolean; // obsolete max-ixfr-log-size size; // obsolete pubkey integer integer integer quoted_string; // obsolete }; /etc/named.conf named8 , named-checkconf8 , rndc8 , BIND 9 Administrator Reference Manual.