study kasus setting dns server dan penyelesaianya


study kasus

Buatlah DNS Server (Primary dan Secondary) untuk domain : inilab.net (194.162.105.100/26).



penyelesaian

DNS SERVER (PRIMARY)

1. Setup IP Adress server DNS ( studi kasus domain \\\"inilab.net\\\" (194.162.105.100/26).

IP Server adalah \\\"194.162.105.101\\\"
# ifconfig  eth2  194.162.105.101 netmask 255.255.255.192 broadcast 194.168.105.191

2. Ubah file /etc/named.conf

 # pico /etc/named.conf
options {
                directory \\\"/var/named\\\";
   };
   zone \\\".\\\" IN {
                type master;
                file \\\"named.ca\\\";
   };
   zone \\\"localhost\\\" IN {
                type master;
                file \\\"localhost.zone\\\";
   };
   zone \\\"0.0.191.in-addr.arpa\\\" IN {
                type master;
                file \\\"named.local\\\";
   };
   zone \\\"inilab.net\\\" IN {
                type master;
                file \\\"inilab.zone\\\";
   };
   zone \\\"194.162.105.101.in-addr.arpa\\\" IN {
                type master;
                file \\\"inilab.local\\\";
   };

2.1. Membuat salinan semua file dari /var/named/caching-example/ ke /var/named/

# cp /var/named/caching-example/* /var/named/


3. Ubah file /var/named/localhost.zone

 # pico /var/named/localhost.zone

 $TTL      86400
   $ORIGIN localhost.
   @                                         IN           SOA       localhost. root.localhost. (
                                                                                2011050900         ; Serial
                                                                                1200                       ; refresh
                                                                                600                         ; retry
                                                                                604800                  ; expiry
                                                                                86400 )                  ; minimum

                                                IN           NS          localhost.
                                                IN           A             127.0.0.1


4. Ubah file /var/named/named.local

# pico /var/named/named.local

 $TTL      86400
   $ORIGIN 0.0.191.in-addr.arpa.
   @                                         IN           SOA       localhost. root.localhost. (
                                                                                2011050900         ; Serial
                                                                                1200                       ; refresh
                                                                                600                        ; retry
                                                                                604800                  ; expiry
                                                                                86400 )                  ; minimum
                                                IN           NS          localhost.

   1                                           IN           PTR        localhost.

5. Salin file /var/named/localhost.zone   menjadi   /var/named/inilab.zone

# cp /var/named/localhost.zone /var/named/inilab.zone


6. Salin file /var/named/named.local menjadi /var/named/inilab.local

# cp /var/named/named.local /var/named/inilab.local


7. Ubah file /var/named/inilab.zone :

# pico /var/named/inilab.zone

$TTL       86400
   $ORIGIN inilab.net.
   @                                         IN           SOA       inilab.net. root.inilab.net. (
                                                                                2011050900         ; Serial
                                                                                1200                       ; refresh
                                                                                600                         ; retry
                                                                                604800                  ; expiry
                                                                                86400 )                  ; minimum

                                                IN           NS          ns1.inilab.net.
                                                IN           MX         10 mail.inilab.net.

   ns1                                       IN            A             194.162.105.101
   www                                    IN            A             194.162.105.110
   ftp                                        IN            A             194.162.105.120
   mail                                     IN            A             194.162.105.130

   webmail             IN           CNAME                mail.inilab.net.
   pc-01                  IN           A                           194.162.105.131
   pc-02                  IN           A                           194.162.105.132.
   pc-03                  IN           A                           194.162.105.133
   pc-04                  IN           A                           194.162.105.134
   pc-05                  IN           A                           194.162.105.135
   pc-06                  IN           A                           194.162.105.136
   pc-07                  IN           A                           194.162.105.137
   pc-08                  IN           A                           194.162.105.138
   pc-09                  IN           A                           194.162.105.139
   pc-10                  IN           A                           194.162.105.130
   pc-11                  IN           A                           194.162.105.141
   pc-12                  IN           A                           194.162.105.142
   pc-13                  IN           A                           194.162.105.143
   pc-14                  IN           A                           194.162.105.144
   pc-15                  IN           A                           194.162.105.145
   pc-16                  IN           A                           194.162.105.146
   pc-17                  IN           A                           194.162.105.147
   pc-18                  IN           A                           194.162.105.148
   pc-19                  IN           A                            194.162.105.149
   pc-20                  IN           A                           194.162.105.150

8. Ubah file /var/named/inilab.local

# pico /var/named/inilab.local
$TTL       86400
   $ORIGIN 1.194.162.in-addr.arpa.
   @                                         IN           SOA       inilab.net. root.inilab.net. (
                                                                                2011050900         ; Serial
                                                                                1200                       ; refresh
                                                                                600                         ; retry
                                                                                604800                  ; expiry
                                                                                86400 )                  ; minimum

                                                IN           NS          ns1.inilab.net.

   131                                      IN           PTR        pc-01.inilab.net.
   132                                      IN           PTR        pc-02.inilab.net..
   133                                      IN           PTR        pc-03.inilab.net.
   134                                      IN           PTR        pc-04.inilab.net.
   135                                      IN           PTR        pc-05.inilab.net.
   136                                      IN           PTR        pc-06.inilab.net.
   137                                      IN           PTR        pc-07.inilab.net.
   138                                      IN           PTR        pc-08.inilab.net.
   139                                      IN           PTR        pc-09.inilab.net.
   140                                      IN           PTR        pc-10.inilab.net.
   141                                      IN           PTR        pc-11.inilab.net.
   142                                      IN           PTR        pc-12.inilab.net.
   143                                      IN           PTR        pc-13.inilab.net.
   144                                      IN           PTR        pc-14.inilab.net.
   145                                      IN           PTR        pc-15.inilab.net.
   146                                      IN           PTR        pc-16.inilab.net.
   147                                      IN           PTR        pc-17.inilab.net.
   148                                      IN           PTR        pc-18.inilab.net.
   149                                      IN           PTR        pc-19.inilab.net.
   150                                      IN           PTR        pc-20.inilab.net.

   110                                      IN           PTR        www.inilab.net.
   120                                      IN           PTR        ftp.inilab.net.
   130                                      IN           PTR        mail.inilab.net.
   101                                      IN           PTR        ns1.inilab.net.

9. Test konfigurasi....

# /usr/sbin/named -g -c /etc/named.conf

10. Bila tidak muncul error, start DNS

 # /usr/sbin/named -c /etc/named.conf

11. Test data DNS, dengan menggunakan \\\"dig\\\"

# dig www.inilab.net.


DNS SERVER (SECONDARY)


1. Ubah file /etc/named.conf

   # pico /etc/named.conf
option {
                directory \"/var/named\";
   };
   zone \".\" IN {
                type master;
                file \"named.ca\";
   };
   zone \"localhost\" IN {
                type master;
                file \"localhost.zone\";
   };
   zone \"0.0.127.in-addr.arpa\" IN {
                type master;
                file \"named.local\";
   };
   zone \"inilab.net\" IN {
                type slave;
                file \"inilab-back.zone\";
               
                masters { 194.162.105.101; };
   };         
   zone \"1.194.162.in-addr.arpa\" IN {
                type slave;
                file \"inilab-back.local\";
               
                masters { 194.162.105.101; };
   };

2. Start DNS secondary..

   command :
   # /usr/sbin/named -c /etc/named.conf


semoga bermanfaat.

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