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143 lines
6.8 KiB
XML
143 lines
6.8 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2014 Tom Gundersen
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="resolved.conf" conditional='ENABLE_RESOLVED'>
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<refentryinfo>
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<title>resolved.conf</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Tom</firstname>
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<surname>Gundersen</surname>
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<email>teg@jklm.no</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>resolved.conf</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>resolved.conf</refname>
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<refpurpose>Network Name Resolution configuration file</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/etc/systemd/resolved.conf</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>When starting, systemd-resolved will read the
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configuration file <filename>resolved.conf</filename>.
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This configuration file controls local DNS and LLMNR
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name resolving.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<variablelist class='network-directives'>
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<varlistentry>
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<term><varname>DNS=</varname></term>
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<listitem><para>A space separated list
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of IPv4 and IPv6 addresses to be used
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as system DNS servers. DNS requests
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are sent to one of the listed DNS
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servers in parallel to any
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per-interface DNS servers acquired
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from
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. For
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compatibility reasons, if set to the
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empty list the DNS servers listed in
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<filename>/etc/resolv.conf</filename>
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are used, if any are
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configured there. This setting
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defaults to the empty
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list.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>FallbackDNS=</varname></term>
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<listitem><para>A space separated list
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of IPv4 and IPv6 addresses to be used
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as the fallback DNS servers. Any
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per-interface DNS servers obtained
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from
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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take precedence over this setting, as
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do any servers set via
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<varname>DNS=</varname> above or
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<filename>/etc/resolv.conf</filename>. This
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setting is hence only used if no other
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DNS server information is known. If
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this option is not given, a
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compiled-in list of DNS servers is
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used instead.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>LLMNR=</varname></term>
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<listitem><para>Takes a boolean
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argument or
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<literal>resolve</literal>. Controls
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Link-Local Multicast Name Resolution support (<ulink
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url="https://tools.ietf.org/html/rfc4795">RFC
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4794</ulink>) on the local host. If
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true enables full LLMNR responder and
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resolver support. If false disable
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both. If set to
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<literal>resolve</literal> only
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resolving support is enabled, but
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responding is disabled. Note that
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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also maintains per-interface LLMNR
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settings. LLMNR will be enabled on an
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interface only if the per-interface
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and the global setting is
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on.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-resolved.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>resolv.conf</refentrytitle><manvolnum>4</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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