Index: bitlbee-3.6/init/bitlbee.service.in
===================================================================
--- bitlbee-3.6.orig/init/bitlbee.service.in
+++ bitlbee-3.6/init/bitlbee.service.in
@@ -2,6 +2,19 @@
 Description=BitlBee IRC/IM gateway
 
 [Service]
+# added automatically, for details please see
+# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
+ProtectSystem=full
+ProtectHome=read-only
+PrivateDevices=true
+ProtectHostname=true
+ProtectClock=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
+RestrictRealtime=true
+# end of automatic additions 
 ExecStart=@sbindir@bitlbee -F -n
 KillMode=process