Senin, 22 Agustus 2011
Konfigurasi DNS Server di Ubuntu Server
1. Langkah pertama konfigurasi adalah mengedit file /etc/bind/named.conf.options untuk menambahkan DNS Forward, disini saya gunakan DNS public dari google saja.
root@smasa:~# nano /etc/bind/named.conf.options
options {
directory "/var/cache/bind";
// If there is a firewall between you and nameservers you want
// to talk to, you may need to fix the firewall to allow multiple
// ports to talk. See http://www.kb.cert.org/vuls/id/800113
// If your ISP provided one or more IP addresses for stable
// nameservers, you probably want to use them as forwarders.
// Uncomment the following block, and insert the addresses replacing
// the all-0's placeholder.
forwarders {
8.8.8.8;
8.8.4.4;
};
auth-nxdomain no; # conform to RFC1035
listen-on-v6 { any; };
};root@smasa:~# nano /etc/bind/named.conf.local
//
// Do any local configuration here
//
// Consider adding the 1918 zones here, if they are not used in your
// organization
include "/etc/bind/zones.rfc1918";
zone "smasabws.com" {
type master;
file "/etc/bind/db.smasabws.com";
};
zone "0.168.192.in-addr.arpa" {
type master;
file "/etc/bind/db.192";
};
include "/etc/bind/rndc.key";root@smasa:~# cp /etc/bind/db.local /etc/bind/db.smasabws.com4. Setelah di duplikat, saya lanjutkan dengan mengedit file /etc/bind/db.smasabws.com
root@smasa:~# cp /etc/bind/db.local /etc/bind/db.1925. Dilanjutkan dengan mengedit file /etc/bind/db.192root@smasa:~# nano /etc/bind/db.smasabws.com
;
; BIND data file for local loopback interface
;
$TTL 604800
@ IN SOA ns.smasabws.com. mail.smasabws.com. (
20100820 ; Serial
604800 ; Refresh
86400 ; Retry
2419200 ; Expire
604800 ) ; Negative Cache TTL
;
localhost IN A 127.0.0.1
@ IN NS ns.smasabws.com.
ns IN A 192.168.0.1
smtp IN CNAME ns
www IN CNAME ns
cups IN CNAME ns
proxy IN CNAME ns
smasabws IN A 192.168.0.1
6. Setelah konfigurasi selesai lanjutkan dengan mengedit file /etc/hosts untuk mengaktifkan beberapa domain yang ingin diaktifkan sebagai hostroot@smasa:~# nano /etc/bind/db.192
;
; BIND data file for local loopback interface
;
$TTL 604800
@ IN SOA ns.smasabws.com. mail.smasabws.com (
20100820 ; Serial
604800 ; Refresh
86400 ; Retry
2419200 ; Expire
604800 ) ; Negative Cache TTL
;
@ IN NS ns.
1 IN PTR ns.smasabws.com.
www IN CNAME ns
smtp IN CNAME ns
cups IN CNAME ns
proxy IN CNAME ns
7. Setelah itu edit file /etc/resolv.confroot@smasa:~# nano /etc/hosts
127.0.0.1 localhost
192.168.0.1 smasa smasabws.com smtp.smasabws.com proxy.smasabws.com
8. Terakhir restart networking dan bind9root@smasa:~# nano /etc/resolv.conf
search smasabws.com
nameserver 192.168.0.1
nameserver 127.0.0.1
9. Install dnsutils untuk menguji bind9 dengan perintah sebagai berikutroot@smasa:~# /etc/init.d/networking restart
root@smasa:~# /etc/init.d/bind9 restart
10. Lakukan checkzone untuk mengetest hasil konfigurasi kita pada file /etc/bind/db.smasabws.com dan /etc/bind/db.192apt-get install dnsutils
root@smasa:~# named-checkzone smasabws.com /etc/bind/db.smasabws.com
zone smasabws.com/IN: loaded serial 20100820
OK11. Lanjutkan dengan mengecek dengan menggunakan perintah dig, dimulai dari localhostroot@smasa:~# named-checkzone smasabws.com /etc/bind/db.192
zone smasabws.com/IN: loaded serial 20100820
OK
12. Cek juga sambungan ke internetroot@smasa:~# dig localhost
; <<>> DiG 9.6.1-P2 <<>> localhost
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31417
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
;; QUESTION SECTION:
;localhost. IN A
;; ANSWER SECTION:
localhost. 604800 IN A 127.0.0.1
;; AUTHORITY SECTION:
localhost. 604800 IN NS localhost.
;; ADDITIONAL SECTION:
localhost. 604800 IN AAAA ::1
;; Query time: 0 msec
;; SERVER: 192.168.0.1#53(192.168.0.1)
;; WHEN: Fri Aug 20 08:25:26 2010
;; MSG SIZE rcvd: 85
13. Atau bisa juga menggunakan nslookup untuk mengujiroot@smasa:~# dig yahoo.com
; <<>> DiG 9.6.1-P2 <<>> yahoo.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60531
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 13, ADDITIONAL: 0
;; QUESTION SECTION:
;yahoo.com. IN A
;; ANSWER SECTION:
yahoo.com. 2396 IN A 72.30.2.43
yahoo.com. 2396 IN A 98.137.149.56
yahoo.com. 2396 IN A 209.191.122.70
yahoo.com. 2396 IN A 67.195.160.76
yahoo.com. 2396 IN A 69.147.125.65
;; AUTHORITY SECTION:
com. 172601 IN NS h.gtld-servers.net.
com. 172601 IN NS d.gtld-servers.net.
com. 172601 IN NS l.gtld-servers.net.
com. 172601 IN NS g.gtld-servers.net.
com. 172601 IN NS i.gtld-servers.net.
com. 172601 IN NS c.gtld-servers.net.
com. 172601 IN NS b.gtld-servers.net.
com. 172601 IN NS f.gtld-servers.net.
com. 172601 IN NS m.gtld-servers.net.
com. 172601 IN NS e.gtld-servers.net.
com. 172601 IN NS j.gtld-servers.net.
com. 172601 IN NS a.gtld-servers.net.
com. 172601 IN NS k.gtld-servers.net.
;; Query time: 62 msec
;; SERVER: 192.168.0.1#53(192.168.0.1)
;; WHEN: Fri Aug 20 08:29:00 2010
;; MSG SIZE rcvd: 331
root@smasa:~# nslookup
> set type=any
> smasabws.com
Server: 192.168.0.1
Address: 192.168.0.1#53
smasabws.com nameserver = ns.smasabws.com.
smasabws.com
origin = ns.smasabws.com
mail addr = mail.smasabws.com
serial = 20100820
refresh = 604800
retry = 86400
expire = 2419200
minimum = 604800
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