chiark / gitweb /
core: remove tcpwrap support
[elogind.git] / man / sysctl.d.xml
index 759b8740f57df5610493f049764d43a86a7c120d..00a857b11a3cd4ca30140db9f61cff8a4d943a2a 100644 (file)
                 administrator, who may use this logic to override the
                 configuration files installed by vendor packages. All
                 configuration files are sorted by their filename in
                 administrator, who may use this logic to override the
                 configuration files installed by vendor packages. All
                 configuration files are sorted by their filename in
-                alphabetical order, regardless in which of the
-                directories they reside, to guarantee that a specific
-                configuration file takes precedence over another file
-                with an alphabetically later name, if both files
-                contain the same variable setting.</para>
+                lexicographic order, regardless of which of the
+                directories they reside in. If multiple files specify the
+                same variable name, the entry in the file with the
+                lexicographically latest name will be applied. It is
+                recommended to prefix all filenames with a two-digit
+                number and a dash, to simplify the ordering of the
+                files.</para>
 
                 <para>If the administrator wants to disable a
 
                 <para>If the administrator wants to disable a
-                configuration file supplied by the vendor the
+                configuration file supplied by the vendor, the
                 recommended way is to place a symlink to
                 <filename>/dev/null</filename> in
                 <filename>/etc/sysctl.d/</filename> bearing the
                 recommended way is to place a symlink to
                 <filename>/dev/null</filename> in
                 <filename>/etc/sysctl.d/</filename> bearing the
-                same file name.</para>
+                same filename.</para>
+
+                <para>The settings configured with
+                <filename>sysctl.d</filename> files will be applied
+                early on boot. The network interface-specific options
+                will also be applied individually for each network
+                interface as it shows up in the system. (More
+                specifically, that is
+                <filename>net.ipv4.conf.*</filename>,
+                <filename>net.ipv6.conf.*</filename>,
+                <filename>net.ipv4.neigh.*</filename> and <filename>net.ipv6.neigh.*</filename>)</para>
         </refsect1>
 
         <refsect1>
         </refsect1>
 
         <refsect1>