Konfigurasi DNS Centos

Langsung Saja :

#yum -y install bind-chroot -->> DNS Mode Chroot

1. Setting host [ vi /etc/hosts ]
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 kecoakTM localhost.localdomain localhost
192.168.0.254 kecoakTM server.kecoak.net server

2. Setting resolv.conf [ vi /etc/resolv.conf ]
search kecoak.net
nameserver 127.0.0.1
nameserver 192.168.0.254
nameserver 118.98.223.10 -->> DNS apabila menggunakan PCRoute

3. Setting Gateway [ vi /etc/sysconfig/network ]
NETWORKING=yes
HOSTNAME=kecoak.net
GATEWAY=118.98.161.97
NOZEROCONF=yes

4. Setting DNS (zone) [ vi /etc/named.conf ]
// Default named.conf generated by install of bind-9.2.4-30.el4_8.4
options {
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
};
include "/etc/rndc.key";

zone "kecoak.net" IN {
type master;
file "/var/named/kecoak.host";
};

zone "0.168.192.in-addr.arpa" IN {
type master;
file "/var/named/0.168.192.in-addr.arpa";
};

6. Setting file zone [ vi /var/named/chroot/var/named/kecoak.host ]
$ttl 38400
kecoak.net. IN SOA mail.kecoak.net. admin.kecoak.net. (
2010011701
10800
3600
604800
38400 )

kecoak.net. IN NS www.kecoak.net.
www IN A 192.168.0.254
kecoak.net. IN MX 0 www.kecoak.net.

7. Setting file reolv [ vi /var/named/chroot/var/named/0.168.192.in-addr.arpa ]
$ttl 38400
0.168.192.in-addr.arpa. IN SOA mail.kecoak.net. admin.kecoak.net. (
2010011701
10800
3600
604800
38400 )

0.168.192.in-addr.arpa. IN NS kecoak.net.
254

8. Server [ vi /etc/host.conf ]
Order bind,hosts

9. Jalankan bind [ service named start ]
service named : [ ok ]

10. Cek DNS
dig www.kecoak.net apabila status NOERROR berarti dns sudah berhasil di konfigurasi
atau
[root@kecoakTM etc]# ping www.kecoak.net
PING www.kecoak.net (192.168.0.254) 56(84) bytes of data.
64 bytes from kecoakTM (192.168.0.254): icmp_seq=0 ttl=64 time=0.044 ms
64 bytes from kecoakTM (192.168.0.254): icmp_seq=1 ttl=64 time=0.025 ms
64 bytes from kecoakTM (192.168.0.254): icmp_seq=2 ttl=64 time=0.023 ms
64 bytes from kecoakTM (192.168.0.254): icmp_seq=3 ttl=64 time=0.024 ms
64 bytes from kecoakTM (192.168.0.254): icmp_seq=4 ttl=64 time=0.023 ms

--- www.kecoak.net ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3999ms
rtt min/avg/max/mdev = 0.023/0.027/0.044/0.010 ms, pipe 2

CONGRATULATION