{% if SWIFT_CONTROLLER is undefined or SWIFT_CONTROLLER == "False" %}
server {{ CONTROLLER_HOST_ADDRESS }} iburst
{% else %}
# We use iburst here to reduce the potential initial delay to set the clock
server 0.pool.ntp.org iburst
server 1.pool.ntp.org iburst
server 2.pool.ntp.org iburst
server 3.pool.ntp.org iburst

# kod - notify client when packets are denied service,
# rather than just dropping the packets
#
# nomodify - deny queries which attempt to modify the state of the server
#
# notrap - decline to provide mode 6 control message trap service to
# matching hosts
#
# see ntp.conf(5) for more details
restrict -4 default kod notrap nomodify
restrict -6 default kod notrap nomodify
{% endif %}

# The default rlimit isn't enough in some cases
# so we set a higher limit here
rlimit memlock 256