# $Id: ddns-options.inc 1121 2008-09-03 20:08:07Z jhealy $
#
# Include file for specifying Dynamic DNS (DDNS) updates.
#

#-----------------------------------------------------------------------
# Dynamic DNS Update Global options
#-----------------------------------------------------------------------

# (see `man dhcpd.conf` for explanation of options)

# Defaults for Dynamic DNS Updates

# use the "interim" style for updating
ddns-update-style interim;

# When assigning a DNS hostname, pick in this order:
# 1) The hostname specified in the config file
# 2) A hostname constructed from the leased address (fallback/autogenerated)

# jhealy: just use auto-generated version; static leases should be used
#         for names we care about
ddns-hostname = concat ("MAC-", binary-to-ascii (16, 8, "-",
						 substring (hardware, 1, 6) ));

#ddns-hostname = pick (option host-name,
#                         concat ("dhcp-",
#			     binary-to-ascii (16, 8, "-", substring (hardware, 1, 6) )));

# Disallow clients from updating their own DNS records; only the server
# gets to do that.
do-forward-updates true;
deny client-updates;

# Do not update statically-assigned IPs, even if they're in our config file
# (this is the recommended option for the DHCP software)
update-static-leases false;

# Always attempt DNS updates when false, regardless of whether the DHCP server
# thinks it's already told the DNS server about a particular change.
update-optimization false;

# Time to live for Dynamic DNS records
# We keep this short (5 minutes) to prevent stale records
ddns-ttl 300;

# By default, use this domain name for DDNS
# (the "rogue" name gets overridden by our client declarations in common)
ddns-domainname "rogue.suffieldacademy.org";

# Include key information for updating domains
include "/etc/dhcp.d/keys.inc";

# Include zone mapping information
include "/etc/dhcp.d/zones.inc";