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man: document nss-{resolve,myhostname} resolving in the other direction, too

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Florian Klink 2021-07-17 19:49:42 +02:00
parent ce266330fc
commit 946f7ce32c
2 changed files with 12 additions and 1 deletions
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7
man/nss-myhostname.xml
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@ -77,7 +77,12 @@
This resolves well-known hostnames like <literal>localhost</literal>
and the machine hostnames locally. It is consistent with the behaviour
of <command>nss-resolve</command>, and still allows overriding via
<filename>/etc/hosts</filename>.
<filename>/etc/hosts</filename>.</para>
<para>Please keep in mind that <command>nss-myhostname</command> (and <command>nss-resolve</command>) also resolve
in the other direction — from locally attached IP adresses to
hostnames. If you rely on that lookup being provided by DNS, you might
want to order things differently.
</para>
</refsect1>

6
man/nss-resolve.xml
View file

@ -52,6 +52,12 @@
it is still recommended (see examples below) to keep <command>nss-myhostname</command> configured in
<filename>/etc/nsswitch.conf</filename>, to keep those names resolveable if
<command>systemd-resolved</command> is not running.</para>
<para>Please keep in mind that <command>nss-myhostname</command> (and <command>nss-resolve</command>) also resolve
in the other direction — from locally attached IP adresses to
hostnames. If you rely on that lookup being provided by DNS, you might
want to order things differently.
</para>
</refsect1>
<refsect1>