Installation guide

Chapter 15. BIND Configuration 151
the configuration changes. It can also be incremented manually by clicking the Set button
next to the Serial Number value.
• Time Settings — The Refresh, Retry, Expire, and Minimum TTL (Time to Live) values
that are stored in the DNS database file.
• Records — Add, edit, and delete record resources of type Host, Alias, and Name server.
Figure 15-2. Adding a Forward Master Zone
The configuration shown in Figure 15-2 creates the following entry in /etc/named.conf:
zone "forward.example.com" {
type master;
file "forward.example.com.zone";
};
It also creates the file /var/named/forward.example.com.zone with the following infor-
mation:
$TTL 86400
@ IN SOA @ root.localhost (
1 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttl
)
After configuring the Forward Master Zone, click OK to return to the main window
as shown in Figure 15-1. From the pulldown menu, choose File => Apply to write the