+
+ # defer: When this is non-zero, connections will not be handed over to
+ # the daemon from the operating system before data is ready.
+ # In Linux, the value indicates the number of seconds we'll wait for a
+ # connection to come up with data. Don't set it too low!
+ # In BSD the value is ignored; only zero and non-zero is possible.
+ # Windows ignores this parameter completely.
+ # Note: This does not take effect on rehash.
+ # To change it on a running bind, you'll have to comment it out,
+ # rehash, comment it in and rehash again.
+ defer="0"