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-rw-r--r--man/systemd.service.xml13
1 files changed, 12 insertions, 1 deletions
diff --git a/man/systemd.service.xml b/man/systemd.service.xml
index e8be2ff468..665128ee77 100644
--- a/man/systemd.service.xml
+++ b/man/systemd.service.xml
@@ -1141,7 +1141,18 @@
fully stopped and no job is queued or being executed for it. If this option is used,
<varname>NotifyAccess=</varname> (see above) should be set to open access to the notification socket
provided by systemd. If <varname>NotifyAccess=</varname> is not set, it will be implicitly set to
- <option>main</option>.</para></listitem>
+ <option>main</option>.</para>
+
+ <para>The <command>fdstore</command> command of
+ <citerefentry><refentrytitle>systemd-analyze</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ may be used to list the current contents of a service's file descriptor store.</para>
+
+ <para>Note that the service manager will only pass file descriptors contained in the file descriptor
+ store to the service's own processes, never to other clients via IPC or similar. However, it does
+ allow unprivileged clients to query the list of currently open file descriptors of a
+ service. Sensitive data may hence be safely placed inside the referenced files, but should not be
+ attached to the metadata (e.g. included in filenames) of the stored file
+ descriptors.</para></listitem>
</varlistentry>
<varlistentry>