+# SPDX-License-Identifier: LGPL-2.1+
+#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
RestrictRealtime=yes
RestrictNamespaces=yes
RestrictAddressFamilies=AF_UNIX
-SystemCallFilter=~@cpu-emulation @debug @keyring @module @mount @obsolete @raw-io @reboot @swap
+SystemCallFilter=@system-service @clock
+SystemCallErrorNumber=EPERM
SystemCallArchitectures=native
+LockPersonality=yes
+IPAddressDeny=any
ReadWritePaths=/etc