Index: iputils-20210722/systemd/rdisc.service.in
===================================================================
--- iputils-20210722.orig/systemd/rdisc.service.in
+++ iputils-20210722/systemd/rdisc.service.in
@@ -20,6 +20,12 @@ ProtectKernelModules=yes
 MemoryDenyWriteExecute=yes
 RestrictRealtime=yes
 RestrictNamespaces=yes
+# added automatically, for details please see
+# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
+ProtectHostname=true
+ProtectClock=true
+ProtectKernelLogs=true
+# end of automatic additions 
 SystemCallArchitectures=native
 LockPersonality=yes
 NoNewPrivileges=yes