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Install/Configure BIND
2010/07/19 |
| Build DNS server which resolves domain name or IP address.
It's neccessary to configure router so that TCP and UDP packets to 53 can pass through.
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| [1] | Install BIND |
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root@ubuntu:~# aptitude -y install bind9
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| [2] | Configure BIND This example is done with grobal IP address [172.16.0.80/29], Private IP address [10.0.0.0/24], Domain name [srv.world]. However, Please use your own IPs and domain name when you set config on your server. ( Actually, [172.16.0.80/29] is for private IP address, though. ) |
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root@ubuntu:~# vi /etc/bind/named.conf include "/etc/bind/named.conf.options"; include "/etc/bind/named.conf.local"; # make it comment # include "/etc/bind/named.conf.default-zones";# add
include "/etc/bind/named.conf.internal-zones"; include "/etc/bind/named.conf.external-zones"; root@ubuntu:~# vi /etc/bind/named.conf.internal-zones # create new # define for internal section view "internal" { match-clients { localhost; 10.0.0.0/24; }; zone "." { type hint; file "db.root"; }; # set zone for internal zone "srv.world" { type master; file "srv.world.lan"; allow-update { none; }; }; # set zone for internal *note zone "0.0.10.in-addr.arpa" { type master; file "0.0.10.db"; allow-update { none; }; }; zone "localhost" { type master; file "db.local"; }; zone "127.in-addr.arpa" { type master; file "db.127"; }; zone "0.in-addr.arpa" { type master; file "db.0"; }; zone "255.in-addr.arpa" { type master; file "db.255"; }; }; root@ubuntu:~# vi /etc/bind/named.conf.external-zones # create new # define for external section view "external" { match-clients { any; }; zone "." { type hint; file "db.root"; }; # set zone for external zone "srv.world" { type master; file "srv.world.wan"; allow-update { none; }; }; # set zone for external *note zone "80.0.16.172.in-addr.arpa" { type master; file "80.0.16.172.db"; allow-update { none; }; }; }; # *note : For How to write for reverse resolving, Write network address reversely like below.
for 10.0.0.0/24 network address ⇒ 10.0.0.0 range of network ⇒ 10.0.0.0 - 10.0.0.255 how to write ⇒ 0.0.10.in-addr.arpa for 172.16.0.80/29 network address ⇒ 172.16.0.80 range of network ⇒ 172.16.0.80 - 172.16.0.87 how to write ⇒ 80.0.16.172.in-addr.arpa
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| [3] | Limit ranges you allow to access if needed. |
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root@ubuntu:~# vi /etc/bind/named.conf.options options { # change directory " /etc/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 { // 0.0.0.0; // }; # range you allow to be asked ( set if you use your DNS only in LAN ) allow-query { localhost; 10.0.0.0/24; }; # range you allow to be transfered ( if you use secondary DNS ) allow-transfer { localhost; 10.0.0.0/24; }; # range you allow to be recursioned ( set if you use your DNS only in LAN ) allow-recursion { localhost; 10.0.0.0/24; }; auth-nxdomain no; # conform to RFC1035 # make it comment if not use IPV6 # listen-on-v6 { any; };}; |