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PDNS_RECURSOR(1) PowerDNS Recursor PDNS_RECURSOR(1) NAME pdns_recursor - The PowerDNS Recursor binary SYNOPSIS pdns_recursor [OPTION]... DESCRIPTION pdns_recursor is a high performance, simple and secure recursing name- server. It currently powers hundreds of millions internet connections. The recursor is configured via a configuration file, but each item in that file can be overridden on the command line. This manpage lists the core set of features needed to get the PowerDNS Recursor working, for full and up to date details head to https://doc.powerdns.com/. EXAMPLES To listen on 192.0.2.53 and allow the 192.0.2.0/24 subnet to recurse, and run as in the background, execute: # pdns_recursor --local-address=192.0.2.53 --allow-from=192.0.2.0/24 --daemon To stop the recursor by hand, run: # rec_control quit However, the recommended way of starting and stopping the recursor is to use systemctl(1) or the init.d script. OPTIONS For authoritative listing of options, consult the online documentation at <https://doc.powerdns.com/> --allow-from=<networks> If set, only allow these comma separated networks, with network mask to recurse. For example: 192.0.2.0/24,203.0.113.128/25. --auth-zones=<authzones> Where authzone is <zonename>=<filename>. Serve zonename from filename authoritatively. For example: ds9a.nl=/var/zones/ds9a.nl,powerdns.com=/var/zones/powerdns.com. --chroot=<directory> chroot the process to directory. --client-tcp-timeout=<num> Timeout in seconds when talking to TCP clients. --config Show the current configuration. Since 4.8.0 there are three op- tional values: --config=default to show the default configura- tion. --config=diff show modified options in the current configuration. --config=check to check the current configura- tion for errors. --config-dir=<directory> Location of configuration directory (recursor.conf), the default depends on the SYSCONFDIR option at build-time, which is usually /etc/powerdns. The default can be found with pdns_recursor --config | grep ' config-dir='. --daemon Operate as a daemon. --entropy-source=<file> Read new entropy from file, defaults to /dev/urandom. --export-etc-hosts If set, this flag will export the hostnames and IP addresses mentioned in /etc/hosts. --forward-zones=<forwardzones> Where forwardzone is <zonename>=<address>. Queries for zonename will be forwarded to address. address should be an IP address, not a hostname (to prevent chicken and egg problems). Example: forward-zones= ds9a.nl=213.244.168.210, powerdns.com=127.0.0.1. --forward-zones-file=<filename> Similar to --forward-zones, but read the options from filename. filename should contain one zone per line, like: ds9a.nl=213.244.168.210. --help Show a summary of options. --hint-file=<filename> Load root hints from this filename --local-address=<address> Listen on address, separated by spaces or commas. Addresses specified can include port numbers; any which do not include port numbers will listen on --local-port. --local-port=<port> Listen on port. --log-common-errors If we should log rather common errors. --max-cache-entries=<num> Maximum number of entries in the main cache. --max-negative-ttl=<num> maximum number of seconds to keep a negative cached entry in memory. --max-tcp-clients=<num> Maximum number of simultaneous TCP clients. --max-tcp-per-client=<num> If set, maximum number of TCP sessions per client (IP address). --query-local-address=<address[,address...]> Use address as Source IP address when sending queries. --quiet Suppress logging of questions and answers. --server-id=<text> Return text WHen queried for 'id.server' TXT, defaults to host- name. --serve-rfc1918 On by default, this makes the server authoritatively aware of: 10.in-addr.arpa, 168.192.in-addr.arpa and 16-31.172.in-addr.arpa, which saves load on the AS112 servers. Individual parts of these zones can still be loaded or for- warded. --setgid=<gid> If set, change group id to gid for more security. --setuid=<uid> If set, change user id to uid for more security. --single-socket If set, only use a single socket for outgoing queries. --socket-dir=<directory> The controlsocket will live in directory. --spoof-nearmiss-max=<num> If non-zero, assume spoofing after this many near misses. --trace if we should output heaps of logging. --version-string=<text> text WILL be reported on version.pdns or version.bind queries. SEE ALSO rec_control(1) systemctl(1) https://docs.powerdns.com/recursor AUTHOR PowerDNS.COM BV COPYRIGHT PowerDNS.COM BV Jan 13, 2025 PDNS_RECURSOR(1)
NAME | SYNOPSIS | DESCRIPTION | EXAMPLES | OPTIONS | SEE ALSO | AUTHOR | COPYRIGHT
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