#  SPDX-License-Identifier: LGPL-2.1+
#
#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your option) any later version.

[Unit]
Description=Hostname Service
Documentation=man:systemd-hostnamed.service(8) man:hostname(5) man:machine-info(5)
Documentation=https://www.freedesktop.org/wiki/Software/systemd/hostnamed

[Service]
BusName=org.freedesktop.hostname1
CapabilityBoundingSet=CAP_SYS_ADMIN
ExecStart=/lib/systemd/systemd-hostnamed
IPAddressDeny=any
LockPersonality=yes
MemoryDenyWriteExecute=yes
NoNewPrivileges=yes
PrivateDevices=yes
PrivateNetwork=yes
PrivateTmp=yes
ProtectControlGroups=yes
ProtectHome=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
ProtectKernelLogs=yes
ProtectSystem=strict
ReadWritePaths=/etc
RestrictAddressFamilies=AF_UNIX
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
SystemCallArchitectures=native
SystemCallErrorNumber=EPERM
SystemCallFilter=@system-service sethostname
WatchdogSec=3min