Adding A Reverse Master Zone - Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Manual

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The configuration shown in Figure 16–2, Adding a Forward Master Zone creates the following entry
in /etc/named.conf:
zone
type master;
file
};
It also creates the file /var/named/forward.example.com.zone with the following infor-
mation:
$TTL 86400
@ IN SOA @
1 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttl
)
After configuring the Forward Master Zone, click
16–1, bindconf . From the pulldown menu, choose
configuration file, write all the individual zone files in the /var/named directory, and have the dae-
mon reload the configuration files.

16.2 Adding a Reverse Master Zone

To add a reverse master zone, click the
three octets of the IP address range that you want to configure. For example, if you are configuring
the IP address range 192.168.10.0/255.255.255.0, enter 192.168.10 in the
text area.
A new window will appear, as shown in Figure 16–3, Adding a Reverse Master Zone, with the follow-
ing options:
1.
IP Address
2. Reverse IP Address
3.
File Name
4.
Primary Name Server (SOA)
that is the best resource of information for this domain. The default value is @, which means that
the SOA is the same as the domain name entered in the
5.
Time Settings
stored in the DNS database file.
"forward.example.com" {
"forward.example.com.zone";
root.localhost (
— The first three octets that you just entered in the previous window.
— Non-editable. Pre-populated based on the IP Address entered.
— File name of DNS database file in the /var/named directory.
— State of authority (SOA) record. This specifies the name server
— The
Refresh
to return to the main window as shown in Figure
OK
=>
File
button and select
Add
, , , and
Retry Expire Minimum
Chapter 16:BIND Configuration
to write the /etc/named.conf
Apply
Reverse Master Zone
IP Address (first 3 Octets)
field above.
Name
TTL (Time to Live) values that are
. Enter the first