Red Hat ENTERPRISE LINUX 3 Reference Manual page 204

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12.2.1.4. Statement
zone
A statement defines the characteristics of a zone such as the location of its configuration file and
zone
zone-specific options. This statement can be used to override the global
A statement takes the following form:
zone
zone zone-name
zone-options ;
[ zone-options ; ...]
};
In this statement,
zone-name
of the zone, and zone-options is a list of options characterizing the zone.
The
zone-name
value assigned for the
directory. The
/var/named/
ified domain name listed in the zone file.
For example, if a
zone
so it is placed at the end of hostnames within the
zone-name
For more information about zone files, see Section 12.3 Zone Files.
The most common
zone
— Specifies the clients that are allowed to request information about this zone. The
• allow-query
default is to allow all query requests.
• allow-transfer
information. The default is to allow all transfer requests.
— Specifies the hosts that are allowed to dynamically update information in their
• allow-update
zone. The default is to deny all dynamic update requests.
Be careful when allowing hosts to update information about their zone. Do not enable this option
unless the host specified is completely trusted. In general, it better to have an administrator manually
update the records for a zone and reload the
— Specifies the name of the file in the
• file
configuration data.
— Specifies the IP addresses from which to request authoritative zone information and is
• masters
used only if the zone is defined as
— Specifies whether or not
• notify
directive accepts the following options:
— Notifies slave servers.
yes
•
— Does not notify slave servers.
no
•
— Only notifies slave servers specified in an
explicit
•
ment.
— Defines the type of zone.
• type
Below is a list of valid options:
— Forwards all requests for information about this zone to other nameservers.
forward
•
— A special type of zone used to point to the root nameservers which resolve queries
hint
•
when a zone is not otherwise known. No configuration beyond the default is necessary with a
zone.
hint
zone-class {
is the name of the zone,
attribute for the zone statement is particularly important, as it is the default
directive used within the corresponding zone file located in the
$ORIGIN
daemon appends the name of the zone to any non-fully qual-
named
statement defines the namespace for
statement options include the following:
— Specifies the slave servers that are allowed to request a transfer of the zone's
type slave
named
Chapter 12. Berkeley Internet Name Domain (BIND)
zone-class
example.com
service.
named
working directory that contains the zone's
named
.
notifies the slave servers when a zone is updated. This
also-notify
statements.
options
is the optional class
, use
example.com
zone file.
example.com
list within a zone state-
as the