1#  SPDX-License-Identifier: LGPL-2.1-or-later
2#
3#  This file is part of systemd.
4#
5#  systemd is free software; you can redistribute it and/or modify it
6#  under the terms of the GNU Lesser General Public License as published by
7#  the Free Software Foundation; either version 2.1 of the License, or
8#  (at your option) any later version.
9
10[Unit]
11Description=Hostname Service
12Documentation=man:systemd-hostnamed.service(8)
13Documentation=man:hostname(5)
14Documentation=man:machine-info(5)
15Documentation=man:org.freedesktop.resolve1(5)
16
17[Service]
18BusName=org.freedesktop.hostname1
19CapabilityBoundingSet=CAP_SYS_ADMIN
20ExecStart={{ROOTLIBEXECDIR}}/systemd-hostnamed
21IPAddressDeny=any
22LockPersonality=yes
23MemoryDenyWriteExecute=yes
24NoNewPrivileges=yes
25PrivateDevices=yes
26PrivateNetwork=yes
27PrivateTmp=yes
28ProtectProc=invisible
29ProtectControlGroups=yes
30ProtectHome=yes
31ProtectKernelLogs=yes
32ProtectKernelModules=yes
33ProtectKernelTunables=yes
34ProtectSystem=strict
35ReadWritePaths=/etc /run/systemd
36RestrictAddressFamilies=AF_UNIX
37RestrictNamespaces=yes
38RestrictRealtime=yes
39RestrictSUIDSGID=yes
40SystemCallArchitectures=native
41SystemCallErrorNumber=EPERM
42SystemCallFilter=@system-service sethostname
43{{SERVICE_WATCHDOG}}
44