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-rw-r--r--man/systemd.resource-control.xml5
1 files changed, 5 insertions, 0 deletions
diff --git a/man/systemd.resource-control.xml b/man/systemd.resource-control.xml
index ea728dff33..b21f8575a0 100644
--- a/man/systemd.resource-control.xml
+++ b/man/systemd.resource-control.xml
@@ -928,6 +928,11 @@ RestrictNetworkInterfaces=~eth1</programlisting>
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v1/devices.html">Device Whitelist Controller</ulink>.
In the unified cgroup hierarchy this functionality is implemented using eBPF filtering.</para>
+ <para>When access to <emphasis>all</emphasis> physical devices should be disallowed,
+ <varname>PrivateDevices=</varname> may be used instead. See
+ <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+ </para>
+
<para>The device node specifier is either a path to a device node in the file system, starting with
<filename>/dev/</filename>, or a string starting with either <literal>char-</literal> or
<literal>block-</literal> followed by a device group name, as listed in