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author | Florian Klink <flokli@flokli.de> | 2021-07-17 19:49:42 +0200 |
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committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2021-07-23 11:59:26 +0200 |
commit | f869a39bceb35406d3193058d6ab5308c2e28f17 (patch) | |
tree | b413e407ba1f6a3d03afc43b72dd2fa43c9051a6 | |
parent | 21423efc5852194ba3bf2bbc8067258e35c1558d (diff) |
man: document nss-{resolve,myhostname} resolving in the other direction, toov249.2
(cherry picked from commit 946f7ce32cef44d9bfcf2dc594bb193341434f57)
-rw-r--r-- | man/nss-myhostname.xml | 7 | ||||
-rw-r--r-- | man/nss-resolve.xml | 6 |
2 files changed, 12 insertions, 1 deletions
diff --git a/man/nss-myhostname.xml b/man/nss-myhostname.xml index 4a33149a73..f9d0ff43f4 100644 --- a/man/nss-myhostname.xml +++ b/man/nss-myhostname.xml @@ -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> diff --git a/man/nss-resolve.xml b/man/nss-resolve.xml index 97c3768100..4f9e1f9c5a 100644 --- a/man/nss-resolve.xml +++ b/man/nss-resolve.xml @@ -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> |