mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 14:11:36 +00:00
29 lines
1.1 KiB
XML
29 lines
1.1 KiB
XML
<chapter xmlns="http://docbook.org/ns/docbook"
|
|
xmlns:xlink="http://www.w3.org/1999/xlink"
|
|
xmlns:xi="http://www.w3.org/2001/XInclude"
|
|
version="5.0"
|
|
xml:id="sec-hidepid">
|
|
<title>Hiding process information</title>
|
|
<para>
|
|
Setting
|
|
<programlisting>
|
|
<xref linkend="opt-security.hideProcessInformation"/> = true;
|
|
</programlisting>
|
|
ensures that access to process information is restricted to the owning user.
|
|
This implies, among other things, that command-line arguments remain private.
|
|
Unless your deployment relies on unprivileged users being able to inspect the
|
|
process information of other users, this option should be safe to enable.
|
|
</para>
|
|
<para>
|
|
Members of the <literal>proc</literal> group are exempt from process
|
|
information hiding.
|
|
</para>
|
|
<para>
|
|
To allow a service <replaceable>foo</replaceable> to run without process
|
|
information hiding, set
|
|
<programlisting>
|
|
<link linkend="opt-systemd.services._name_.serviceConfig">systemd.services.<replaceable>foo</replaceable>.serviceConfig</link>.SupplementaryGroups = [ "proc" ];
|
|
</programlisting>
|
|
</para>
|
|
</chapter>
|