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################################################################################
## /etc/ntp.conf
##
## Sample NTP configuration file.
## See package 'ntp-doc' for documentation, Mini-HOWTO and FAQ.
## Copyright (c) 1998 S.u.S.E. GmbH Fuerth, Germany.
##
## Author: Michael Andres,  <ma@suse.de>
##         Michael Skibbe,  <mskibbe@suse.de>
##
################################################################################

##
## Radio and modem clocks by convention have addresses in the 
## form 127.127.t.u, where t is the clock type and u is a unit 
## number in the range 0-3. 
##
## Most of these clocks require support in the form of a 
## serial port or special bus peripheral. The particular  
## device is normally specified by adding a soft link 
## /dev/device-u to the particular hardware device involved, 
## where u correspond to the unit number above. 
## 
## Generic DCF77 clock on serial port (Conrad DCF77)
## Address:     127.127.8.u
## Serial Port: /dev/refclock-u
##  
## (create soft link /dev/refclock-0 to the particular ttyS?)
##
# server 127.127.8.0 mode 5 prefer

##
## Undisciplined Local Clock. This is a fake driver intended for backup
## and when no outside source of synchronized time is available.
##
server 127.127.1.0		# local clock (LCL)
fudge  127.127.1.0 stratum 10	# LCL is unsynchronized

# Managed by puppet class { "ntp": servers => [ ... ] }
<% [servers_real].flatten.each do |server| -%>
server <%= server %>
<% end -%>

<% if @is_virtual == "true" -%>
# Keep ntpd from panicking in the event of a large clock skew
# when a VM guest is suspended and resumed.
tinker panic 0

<% end -%>
##
## Miscellaneous stuff
##

driftfile /var/lib/ntp/drift/ntp.drift # path for drift file

logfile   /var/log/ntp		# alternate log file
# logconfig =syncstatus + sysevents
# logconfig =all

# statsdir /tmp/		# directory for statistics files
# filegen peerstats  file peerstats  type day enable
# filegen loopstats  file loopstats  type day enable
# filegen clockstats file clockstats type day enable

<% if @restrict -%>
# Permit time synchronization with our time source, but do not
# permit the source to query or modify the service on this system.
restrict -4 default kod nomodify notrap nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery

# Permit all access over the loopback interface. This could
# be tightened as well, but to do so would effect some of
# the administrative functions.
restrict 127.0.0.1
restrict -6 ::1

<% end -%>

#
# Authentication stuff
#
keys /etc/ntp.keys		# path for keys file
trustedkey 1			# define trusted keys
requestkey 1			# key (7) for accessing server variables
# controlkey 15			# key (6) for accessing server variables