CAP_CHOWN is needed for changing onwership of pidfile before
dropping privileges and truncate pidfile on exit.
ExecStart=@UNBOUND_SBIN_DIR@/unbound -d
NotifyAccess=main
Type=notify
-CapabilityBoundingSet=CAP_IPC_LOCK CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_SYS_RESOURCE CAP_NET_RAW
+CapabilityBoundingSet=CAP_IPC_LOCK CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_SYS_RESOURCE CAP_NET_RAW CAP_CHOWN
MemoryDenyWriteExecute=true
NoNewPrivileges=true
PrivateDevices=true
ExecStart=@UNBOUND_SBIN_DIR@/unbound -d
NotifyAccess=main
Type=notify
-CapabilityBoundingSet=CAP_IPC_LOCK CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_SYS_RESOURCE CAP_NET_RAW
+CapabilityBoundingSet=CAP_IPC_LOCK CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_SYS_RESOURCE CAP_NET_RAW CAP_CHOWN
MemoryDenyWriteExecute=true
NoNewPrivileges=true
PrivateDevices=true