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e93549ef29
For daemons which have a main configuration file, there's little reason for the administrator to use configuration snippets. They are useful for packagers which need to override settings, but we shouldn't advertise that as the main way of configuring those services. https://bugs.freedesktop.org/show_bug.cgi?id=89397
130 lines
5.0 KiB
XML
130 lines
5.0 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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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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xmlns:xi="http://www.w3.org/2001/XInclude">
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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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<refname>resolved.conf.d</refname>
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<refpurpose>Network Name Resolution configuration files</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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<para><filename>/etc/systemd/resolved.conf.d/*.conf</filename></para>
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<para><filename>/run/systemd/resolved.conf.d/*.conf</filename></para>
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<para><filename>/usr/lib/systemd/resolved.conf.d/*.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>These configuration files control local DNS and LLMNR
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name resolving.</para>
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</refsect1>
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<xi:include href="standard-conf.xml" xpointer="main-conf" />
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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 of IPv4 and IPv6
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addresses to be used as system DNS servers. DNS requests are
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sent to one of the listed DNS servers in parallel to any
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per-interface DNS servers acquired from
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
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For compatibility reasons, if set to the empty list the DNS
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servers listed in <filename>/etc/resolv.conf</filename> are
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used, if any are configured there. This setting defaults to
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the empty 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 of IPv4 and IPv6
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addresses to be used as the fallback DNS servers. Any
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per-interface DNS servers obtained 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 do any servers set via
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<varname>DNS=</varname> above or
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<filename>/etc/resolv.conf</filename>. This setting is hence
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only used if no other DNS server information is known. If this
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option is not given, a compiled-in list of DNS servers is used
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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 argument or
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<literal>resolve</literal>. Controls Link-Local Multicast Name
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Resolution support (<ulink
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url="https://tools.ietf.org/html/rfc4795">RFC 4794</ulink>) on
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the local host. If true enables full LLMNR responder and
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resolver support. If false disable both. If set to
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<literal>resolve</literal> only resolving support is enabled,
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but 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 settings. LLMNR will be
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enabled on an interface only if the per-interface and the
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global setting is 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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