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-rw-r--r--units/systemd-timesyncd.service.in6
1 files changed, 5 insertions, 1 deletions
diff --git a/units/systemd-timesyncd.service.in b/units/systemd-timesyncd.service.in
index df1e339196..9a6c6ea60d 100644
--- a/units/systemd-timesyncd.service.in
+++ b/units/systemd-timesyncd.service.in
@@ -22,13 +22,17 @@ Type=notify
Restart=always
RestartSec=0
ExecStart=@rootlibexecdir@/systemd-timesyncd
+WatchdogSec=3min
CapabilityBoundingSet=CAP_SYS_TIME CAP_SETUID CAP_SETGID CAP_SETPCAP CAP_CHOWN CAP_DAC_OVERRIDE CAP_FOWNER
PrivateTmp=yes
PrivateDevices=yes
ProtectSystem=full
ProtectHome=yes
-WatchdogSec=3min
+ProtectControlGroups=yes
+ProtectKernelTunables=yes
MemoryDenyWriteExecute=yes
+RestrictRealtime=yes
+RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
SystemCallFilter=~@cpu-emulation @debug @keyring @module @mount @obsolete @raw-io
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