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327 lines
10 KiB
327 lines
10 KiB
# |
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# nsd.conf -- the NSD(8) configuration file, nsd.conf(5). |
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# |
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# Copyright (c) 2001-2011, NLnet Labs. All rights reserved. |
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# |
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# See LICENSE for the license. |
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# |
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# This is a comment. |
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# Sample configuration file |
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# include: "file" # include that file's text over here. Globbed, "*.conf" |
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# options for the nsd server |
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server: |
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# Number of NSD servers to fork. Put the number of CPUs to use here. |
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# server-count: 1 |
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# uncomment to specify specific interfaces to bind (default are the |
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# wildcard interfaces 0.0.0.0 and ::0). |
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# For servers with multiple IP addresses, list them one by one, |
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# or the source address of replies could be wrong. |
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# Use ip-transparent to be able to list addresses that turn on later. |
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# ip-address: 1.2.3.4 |
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# ip-address: 1.2.3.4@5678 |
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# ip-address: 12fe::8ef0 |
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# Allow binding to non local addresses. Default no. |
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# ip-transparent: no |
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# Allow binding to addresses that are down. Default no. |
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# ip-freebind: no |
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# use the reuseport socket option for performance. Default no. |
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# reuseport: no |
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# enable debug mode, does not fork daemon process into the background. |
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# debug-mode: no |
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# use systemd for readiness signalling. |
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use-systemd: yes |
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# listen on IPv4 connections |
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# do-ip4: yes |
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# listen on IPv6 connections |
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# do-ip6: yes |
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# port to answer queries on. default is 53. |
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# port: 53 |
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# Verbosity level. |
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# verbosity: 0 |
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# After binding socket, drop user privileges. |
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# can be a username, id or id.gid. |
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# username: nsd |
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# Run NSD in a chroot-jail. |
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# make sure to have pidfile and database reachable from there. |
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# by default, no chroot-jail is used. |
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# chroot: "/etc/nsd" |
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# The directory for zonefile: files. The daemon chdirs here. |
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# zonesdir: "/etc/nsd" |
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# the list of dynamically added zones. |
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# zonelistfile: "/var/lib/nsd/zone.list" |
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# the database to use |
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# if set to "" then no disk-database is used, less memory usage. |
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database: "" |
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# log messages to file. Default to stderr and syslog (with |
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# facility LOG_DAEMON). stderr disappears when daemon goes to bg. |
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# logfile: "/var/log/nsd.log" |
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# File to store pid for nsd in. |
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# pidfile: "/var/run/nsd/nsd.pid" |
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# The file where secondary zone refresh and expire timeouts are kept. |
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# If you delete this file, all secondary zones are forced to be |
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# 'refreshing' (as if nsd got a notify). Set to "" to disable. |
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# xfrdfile: "/var/lib/nsd/ixfr.state" |
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# The directory where zone transfers are stored, in a subdir of it. |
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# xfrdir: "/tmp" |
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# don't answer VERSION.BIND and VERSION.SERVER CHAOS class queries |
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# hide-version: no |
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# version string the server responds with for chaos queries. |
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# default is 'NSD x.y.z' with the server's version number. |
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# version: "NSD" |
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# identify the server (CH TXT ID.SERVER entry). |
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# identity: "unidentified server" |
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# NSID identity (hex string, or "ascii_somestring"). default disabled. |
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# nsid: "aabbccdd" |
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# Maximum number of concurrent TCP connections per server. |
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# tcp-count: 100 |
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# Maximum number of queries served on a single TCP connection. |
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# By default 0, which means no maximum. |
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# tcp-query-count: 0 |
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# Override the default (120 seconds) TCP timeout. |
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# tcp-timeout: 120 |
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# Maximum segment size (MSS) of TCP socket on which the server |
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# responds to queries. Default is 0, system default MSS. |
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# tcp-mss: 0 |
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# Maximum segment size (MSS) of TCP socket for outgoing AXFR request. |
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# Default is 0, system default MSS. |
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# outgoing-tcp-mss: 0 |
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# Preferred EDNS buffer size for IPv4. |
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# ipv4-edns-size: 4096 |
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# Preferred EDNS buffer size for IPv6. |
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# ipv6-edns-size: 4096 |
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# statistics are produced every number of seconds. Prints to log. |
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# Default is 0, meaning no statistics are produced. |
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# statistics: 3600 |
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# Number of seconds between reloads triggered by xfrd. |
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# xfrd-reload-timeout: 1 |
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# log timestamp in ascii (y-m-d h:m:s.msec), yes is default. |
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# log-time-ascii: yes |
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# round robin rotation of records in the answer. |
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round-robin: yes |
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# minimal-responses only emits extra data for referrals. |
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minimal-responses: yes |
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# refuse queries of type ANY. For stopping floods. |
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refuse-any: yes |
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# check mtime of all zone files on start and sighup |
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# zonefiles-check: yes |
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# write changed zonefiles to disk, every N seconds. |
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# default is 0(disabled) or 3600(if database is ""). |
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# zonefiles-write: 3600 |
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# RRLconfig |
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# Response Rate Limiting, size of the hashtable. Default 1000000. |
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# rrl-size: 1000000 |
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# Response Rate Limiting, maximum QPS allowed (from one query source). |
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# If set to 0, ratelimiting is disabled. Also set |
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# rrl-whitelist-ratelimit to 0 to disable ratelimit processing. |
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# Default is on. |
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# rrl-ratelimit: 200 |
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# Response Rate Limiting, number of packets to discard before |
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# sending a SLIP response (a truncated one, allowing an honest |
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# resolver to retry with TCP). Default is 2 (one half of the |
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# queries will receive a SLIP response, 0 disables SLIP (all |
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# packets are discarded), 1 means every request will get a |
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# SLIP response. When the ratelimit is hit the traffic is |
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# divided by the rrl-slip value. |
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# rrl-slip: 2 |
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# Response Rate Limiting, IPv4 prefix length. Addresses are |
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# grouped by netblock. |
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# rrl-ipv4-prefix-length: 24 |
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# Response Rate Limiting, IPv6 prefix length. Addresses are |
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# grouped by netblock. |
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# rrl-ipv6-prefix-length: 64 |
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# Response Rate Limiting, maximum QPS allowed (from one query source) |
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# for whitelisted types. Default is on. |
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# rrl-whitelist-ratelimit: 2000 |
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# RRLend |
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# Optional local server config |
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include: "/etc/nsd/server.d/*.conf" |
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# Include optional local configs. |
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include: "/etc/nsd/conf.d/*.conf" |
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# Remote control config section. |
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remote-control: |
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# Enable remote control with nsd-control(8) here. |
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# set up the keys and certificates with nsd-control-setup. |
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control-enable: yes |
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# what interfaces are listened to for control, default is on localhost. |
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# control-interface: 127.0.0.1 |
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# control-interface: ::1 |
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control-interface: /run/nsd/nsd.ctl |
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# port number for remote control operations (uses TLS over TCP). |
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# control-port: 8952 |
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# nsd server key file for remote control. |
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# server-key-file: "/etc/nsd/nsd_server.key" |
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# nsd server certificate file for remote control. |
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# server-cert-file: "/etc/nsd/nsd_server.pem" |
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# nsd-control key file. |
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# control-key-file: "/etc/nsd/nsd_control.key" |
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# nsd-control certificate file. |
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# control-cert-file: "/etc/nsd/nsd_control.pem" |
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# Secret keys for TSIGs that secure zone transfers. |
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# You could include: "secret.keys" and put the 'key:' statements in there, |
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# and give that file special access control permissions. |
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# |
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# key: |
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# The key name is sent to the other party, it must be the same |
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#name: "keyname" |
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# algorithm hmac-md5, or sha1, sha256, sha224, sha384, sha512 |
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#algorithm: sha256 |
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# secret material, must be the same as the other party uses. |
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# base64 encoded random number. |
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# e.g. from dd if=/dev/random of=/dev/stdout count=1 bs=32 | base64 |
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#secret: "K2tf3TRjvQkVCmJF3/Z9vA==" |
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# Patterns have zone configuration and they are shared by one or more zones. |
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# |
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# pattern: |
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# name by which the pattern is referred to |
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#name: "myzones" |
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# the zonefile for the zones that use this pattern. |
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# if relative then from the zonesdir (inside the chroot). |
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# the name is processed: %s - zone name (as appears in zone:name). |
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# %1 - first character of zone name, %2 second, %3 third. |
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# %z - topleveldomain label of zone, %y, %x next labels in name. |
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# if label or character does not exist you get a dot '.'. |
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# for example "%s.zone" or "zones/%1/%2/%3/%s" or "secondary/%z/%s" |
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#zonefile: "%s.zone" |
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# If no master and slave access control elements are provided, |
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# this zone will not be served to/from other servers. |
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# A master zone needs notify: and provide-xfr: lists. A slave |
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# may also allow zone transfer (for debug or other secondaries). |
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# notify these slaves when the master zone changes, address TSIG|NOKEY |
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# IP can be ipv4 and ipv6, with @port for a nondefault port number. |
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#notify: 192.0.2.1 NOKEY |
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# allow these IPs and TSIG to transfer zones, addr TSIG|NOKEY|BLOCKED |
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# address range 192.0.2.0/24, 1.2.3.4&255.255.0.0, 3.0.2.20-3.0.2.40 |
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#provide-xfr: 192.0.2.0/24 my_tsig_key_name |
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# set the number of retries for notify. |
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#notify-retry: 5 |
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# uncomment to provide AXFR to all the world |
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# provide-xfr: 0.0.0.0/0 NOKEY |
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# provide-xfr: ::0/0 NOKEY |
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# A slave zone needs allow-notify: and request-xfr: lists. |
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#allow-notify: 2001:db8::0/64 my_tsig_key_name |
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# By default, a slave will request a zone transfer with IXFR/TCP. |
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# If you want to make use of IXFR/UDP use: UDP addr tsigkey |
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# for a master that only speaks AXFR (like NSD) use AXFR addr tsigkey |
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#request-xfr: 192.0.2.2 the_tsig_key_name |
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# Attention: You cannot use UDP and AXFR together. AXFR is always over |
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# TCP. If you use UDP, we higly recommend you to deploy TSIG. |
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# Allow AXFR fallback if the master does not support IXFR. Default |
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# is yes. |
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#allow-axfr-fallback: yes |
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# set local interface for sending zone transfer requests. |
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# default is let the OS choose. |
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#outgoing-interface: 10.0.0.10 |
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# limit the refresh and retry interval in seconds. |
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#max-refresh-time: 2419200 |
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#min-refresh-time: 0 |
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#max-retry-time: 1209600 |
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#min-retry-time: 0 |
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# Slave server tries zone transfer to all masters and picks highest |
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# zone version available, for when masters have different versions. |
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#multi-master-check: no |
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# limit the zone transfer size (in bytes), stops very large transfers |
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# 0 is no limits enforced. |
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# size-limit-xfr: 0 |
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# if compiled with --enable-zone-stats, give name of stat block for |
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# this zone (or group of zones). Output from nsd-control stats. |
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# zonestats: "%s" |
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# if you give another pattern name here, at this point the settings |
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# from that pattern are inserted into this one (as if it were a |
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# macro). The statement can be given in between other statements, |
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# because the order of access control elements can make a difference |
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# (which master to request from first, which slave to notify first). |
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#include-pattern: "common-masters" |
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# Fixed zone entries. Here you can config zones that cannot be deleted. |
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# Zones that are dynamically added and deleted are put in the zonelist file. |
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# |
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# zone: |
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# name: "example.com" |
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# you can give a pattern here, all the settings from that pattern |
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# are then inserted at this point |
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# include-pattern: "master" |
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# You can also specify (additional) options directly for this zone. |
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# zonefile: "example.com.zone" |
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# request-xfr: 192.0.2.1 example.com.key |
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# RRLconfig |
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# Response Rate Limiting, whitelist types |
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# rrl-whitelist: nxdomain |
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# rrl-whitelist: error |
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# rrl-whitelist: referral |
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# rrl-whitelist: any |
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# rrl-whitelist: rrsig |
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# rrl-whitelist: wildcard |
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# rrl-whitelist: nodata |
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# rrl-whitelist: dnskey |
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# rrl-whitelist: positive |
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# rrl-whitelist: all |
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# RRLend
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