CentOS DNS Kurulumu

CentOS DNS Kurulumu
Kullanılan Bilgiler
Sunucu ismi : dns.abc.com
Sunucu ip’si : 192.168.100.20/24
Gerekli paketleri yükleyelim;
# yum -y install bind bind-libs bind-utils
Başlangıçta servisin otomatik çalışması için;
# chkconfig –-level 35 named on
Servisin başlangıçta standart config dosyasını oluşturması
için;
# service named start
Oluşturulmuş
editlersek;
olan
config
dosyasını
aşağıdaki
kod
ile
# vi /etc/named.conf
Config Ayarları
//
// named.conf
//
// Provided by Red Hat bind package to configure the ISC BIND
named(8) DNS
// server as a caching only nameserver (as a localhost DNS
resolver only).
//
// See /usr/share/doc/bind*/sample/
configuration files.
for
example
named
//
options {
directory
“/var/named”;
dump-file
“/var/named/data/cache_dump.db”;
statistics-file “/var/named/data/named_stats.txt”;
memstatistics-file
“/var/named/data/named_mem_stats.txt”;
recursion yes;
dnssec-enable yes;
dnssec-validation yes;
dnssec-lookaside auto;
/* Path to ISC DLV key */
bindkeys-file “/etc/named.iscdlv.key”;
};
logging {
channel default_debug {
file “data/named.run”;
severity dynamic;
};
};
zone “.” IN {
type hint;
file “named.ca”;
};
zone “abc.com” {
type master;
file “abc.com.fwd”;
};
zone “0.168.192.in-addr.arpa” {
type master;
file “abc.com.rev”;
};
include “/etc/named.rfc1912.zones”;
named.conf dosyasında isimleri girdiğimizde;
cd /var/named
# vi abc.com.fwd
$ORIGIN abc.com.
$TTL 3D
@SOA
dns.abc.com.
@IN
NS
root.abc.com. (12 4h 1h 1w 1h)
dns.abc.com.
dns.abc.com.
IN
A
192.168.100.20
www
IN
A
192.168.100.20
# vi abc.com.rev
$ORIGIN 0.168.192.in-addr.arpa.
$TTL 3D
@
1h)
SOA
dns.abc.com.
root.abc.com. (12 4h 1h 1w
@
IN
NS
dns.abc.com.
211
IN
PTR
dns.abc.com.
Reset
# service named restart
Test
# cat /etc/resolve.conf
search abc.com
nameserver 192.168.100.20
# nslookup www.abc.com
Server:
192.168.100.20
Address:
192.168.100.20#53
Name:
www.abc.com
Address: 192.168.100.20