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PDNS_RECURSOR(1) [FIXME: manual] PDNS_RECURSOR(1) NAME
pdns_recursor - high-performance, simple and secure recursing nameserver SYNOPSIS
pdns_recursor [--daemon] [--local-address] [--help, -h] [--allow-from] DESCRIPTION
pdns_recursor(1) is a high performance, simple and secure recursing nameserver. It currently powers over two million 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 http://doc.powerdns.com/built-in-recursor.html EXAMPLES
To listen on 1.2.3.4 and allow the 1.2.3.0/8 subnet to recurse, and run as a daemon, execute: # pdns_recursor --local-address=1.2.3.4 --allow-from=1.2.3.0/8 --daemon To stop the recursor by hand, run: # rec_control quit Alternatively, use the init.d script provided. OPTIONS
For authoritative listing of options, consult the documentation referenced above. --aaaa-additional-processing turn on to do AAAA additional processing (slow) --allow-from If set, only allow these comma separated netmasks to recurse --auth-can-lower-ttl Authoritative zones can transmit a TTL value that is lower than that specified in the parent zone. This is called a delegation inconsistency. To follow RFC 2181 paragraphs 5.2 and 5.4 to the letter, enable this feature. This will mean a slight deterioration of performance, and it will not solve any problems, but does make the recursor more standards compliant. Not recommended unless you have to tick an RFC 2181 compliant box. Off by default. --auth-zones Comma separated list of zonename=filename pairs. Zones read from these files are served authoritatively. Example: auth-zones= ds9a.nl=/var/zones/ds9a.nl, powerdns.com=/var/zones/powerdns.com. Available since 3.1. --chroot switch to chroot jail --client-tcp-timeout Timeout in seconds when talking to TCP clients --config-dir Location of configuration directory (recursor.conf) --daemon Operate as a daemon --delegation-only Which domains we only accept delegations from --entropy-source Where to read new entropy from, defaults to /dev/urandom. --export-etc-hosts If set, this flag will export the host names and IP addresses mentioned in /etc/hosts. Available since 3.1. --fork If set, fork the daemon for possible double performance --forward-zones Comma separated list of zonename=IP pairs. Queries for zones listed here will be forwarded to the IP address listed. forward-zones= ds9a.nl=213.244.168.210, powerdns.com=127.0.0.1. Available since 3.1. For more details, see the manual. --forward-zones-file listed here will be forwarded to the IP address listed. One zone per line, like: ds9a.nl=213.244.168.210 Available since 3.1.5. For more details, see the manual. --hint-file If set, load root hints from this file --local-address IP addresses to listen on, separated by spaces or commas --local-port port to listen on --log-common-errors If we should log rather common errors --max-cache-entries If set, maximum number of entries in the main cache --max-negative-ttl maximum number of seconds to keep a negative cached entry in memory --max-tcp-clients Maximum number of simultaneous TCP clients --max-tcp-per-client If set, maximum number of TCP sessions per client (IP address) --query-local-address Source IP address for sending queries --query-local-address6 Send out local IPv6 queries from this address. Disabled by default, which also disables outgoing IPv6 support. A useful setting is ::0. --quiet Suppress logging of questions and answers --remotes-ringbuffer-entries maximum number of packets to store statistics for --server-id Returned when queried for server.id TXT, defaults to hostname --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 forwarded. --setgid If set, change group id to this gid for more security --setuid If set, change user id to this uid for more security --single-socket If set, only use a single socket for outgoing queries --socket-dir Where the controlsocket will live --spoof-nearmiss-max If non-zero, assume spoofing after this many near misses --trace if we should output heaps of logging --version-string string reported on version.pdns or version.bind BUGS
None known. File new ones at http://wiki.powerdns.com. AUTHOR
Written by PowerDNS.COM BV, bert hubert, <bert.hubert@netherlabs.nl[1]> RESOURCES
Website: http://wiki.powerdns.com, http://www.powerdns.com SEE ALSO
rec_control(1) COPYING
Copyright (C) 2006 PowerDNS.COM BV. Free use of this software is granted under the terms of the GNU General Public License (GPL) version 2. NOTES
1. bert.hubert@netherlabs.nl mailto:bert.hubert@netherlabs.nl [FIXME: source] 02/10/2010 PDNS_RECURSOR(1)
