Index: rrdtool-1.7.2/etc/rrdcached.service.in
===================================================================
--- rrdtool-1.7.2.orig/etc/rrdcached.service.in
+++ rrdtool-1.7.2/etc/rrdcached.service.in
@@ -8,6 +8,19 @@ Description=Data caching daemon for rrdt
 Documentation=man:rrdcached(1)
 
 [Service]
+# added automatically, for details please see
+# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
+ProtectSystem=full
+ProtectHome=true
+PrivateDevices=true
+ProtectHostname=true
+ProtectClock=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
+RestrictRealtime=true
+# end of automatic additions 
 # If you enable socket-activable rrdcached.socket,
 # command line socket declarations will be ignored
 ExecStart=@prefix@/bin/rrdcached -g