Index: firehol-3.1.7/contrib/firehol.service
===================================================================
--- firehol-3.1.7.orig/contrib/firehol.service
+++ firehol-3.1.7/contrib/firehol.service
@@ -14,6 +14,17 @@ Conflicts=shutdown.target
 Before=shutdown.target
 
 [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
+ProtectKernelLogs=true
+ProtectControlGroups=true
+RestrictRealtime=true
+# end of automatic additions 
 Type=oneshot
 RemainAfterExit=yes
 ExecStart=/usr/sbin/firehol start