diff options
Diffstat (limited to 'man/resolved.conf.xml')
| -rw-r--r-- | man/resolved.conf.xml | 67 |
1 files changed, 59 insertions, 8 deletions
diff --git a/man/resolved.conf.xml b/man/resolved.conf.xml index 04e510fbe..6e0185bf4 100644 --- a/man/resolved.conf.xml +++ b/man/resolved.conf.xml @@ -56,8 +56,8 @@ <para>When starting, systemd-resolved will read the configuration file <filename>resolved.conf</filename>. - This configuration file determines the fallback DNS - servers.</para> + This configuration file controls local DNS name + resolving.</para> </refsect1> @@ -68,12 +68,62 @@ <varlistentry> <term><varname>DNS=</varname></term> - <listitem><para>A space separated list of IPv4 and IPv6 - addresses to be used as the fallback DNS servers. Note that - the servers obtained from + <listitem><para>A space separated list + of IPv4 and IPv6 addresses to be used + as system DNS servers. DNS requests + are sent to one of the listed DNS + servers in parallel to any + per-interface DNS servers acquired + from + <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. For + compatibility reasons, if set to the + empty list the DNS servers listed in + <filename>/etc/resolv.conf</filename> + are used, if any are + configured there. This setting + defaults to the empty + list.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>FallbackDNS=</varname></term> + <listitem><para>A space separated list + of IPv4 and IPv6 addresses to be used + as the fallback DNS servers. Any + per-interface DNS servers obtained + from + <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> + take precedence over this setting, as + do any servers set via + <varname>DNS=</varname> above or + <filename>/etc/resolv.conf</filename>. This + setting is hence only used if no other + DNS server information is known. If + this option is not given, a + compiled-in list of DNS servers is + used instead.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>LLMNR=</varname></term> + <listitem><para>Takes a boolean + argument or + <literal>resolve</literal>. Controls + Link-Local Multicast Name Resolution support (<ulink + url="https://tools.ietf.org/html/rfc4795">RFC + 4794</ulink>) on the local host. If + true enables full LLMNR responder and + resolver support. If false disable + both. If set to + <literal>resolve</literal> only + resolving support is enabled, but + responding is disabled. Note that <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> - take precedence. If this option is not given, a compiled-in - list of DNS servers is used instead.</para></listitem> + also maintains per-interface LLMNR + settings. LLMNR will be enabled on an + interface only if the per-interface + and the global setting is + on.</para></listitem> </varlistentry> </variablelist> @@ -84,7 +134,8 @@ <para> <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd-resolved.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, - <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> + <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>resolv.conf</refentrytitle><manvolnum>4</manvolnum></citerefentry> </para> </refsect1> |