! Blank after x time (h:mm:ss).
xscreensaver.timeout: 0:10:00
-! Lock screen after x time.
+! Lock screen after x time _after_ blank.
xscreensaver.lockTimeout: 2:00:00
-! Immediately lock when timeout is reached.
+! Require password to unlock after blank.
xscreensaver.lock: True
! No fade effects, enable/disable monitor immediately.