+# SPDX-License-Identifier: LGPL-2.1+
+#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
Wants=time-sync.target
[Service]
-Type=notify
-Restart=always
-RestartSec=0
-ExecStart=!!@rootlibexecdir@/systemd-timesyncd
-WatchdogSec=3min
-User=systemd-timesync
-CapabilityBoundingSet=CAP_SYS_TIME
AmbientCapabilities=CAP_SYS_TIME
-PrivateTmp=yes
+CapabilityBoundingSet=CAP_SYS_TIME
+ExecStart=!!@rootlibexecdir@/systemd-timesyncd
+LockPersonality=yes
+MemoryDenyWriteExecute=yes
+NoNewPrivileges=yes
PrivateDevices=yes
-ProtectSystem=strict
-ProtectHome=yes
+PrivateTmp=yes
ProtectControlGroups=yes
-ProtectKernelTunables=yes
+ProtectHome=yes
+ProtectHostname=yes
ProtectKernelModules=yes
-MemoryDenyWriteExecute=yes
-RestrictRealtime=yes
-RestrictNamespaces=yes
+ProtectKernelTunables=yes
+ProtectSystem=strict
+Restart=always
+RestartSec=0
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
-SystemCallFilter=~@cpu-emulation @debug @keyring @module @mount @obsolete @raw-io @reboot @swap
-SystemCallArchitectures=native
-LockPersonality=yes
+RestrictNamespaces=yes
+RestrictRealtime=yes
+RuntimeDirectory=systemd/timesync
StateDirectory=systemd/timesync
+SystemCallArchitectures=native
+SystemCallErrorNumber=EPERM
+SystemCallFilter=@system-service @clock
+Type=notify
+User=systemd-timesync
+WatchdogSec=3min
[Install]
WantedBy=sysinit.target
+Alias=dbus-org.freedesktop.timesync1.service