SLES 15
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BIND : Install / Configure
2019/01/17
 
Install BIND to configure DNS server which resolves domain name or IP address.
[1] Install BIND.
dlp:~ #
zypper -n install bind bind-utils
[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. )
dlp:~ #
mv /etc/named.conf /etc/named.conf.org

dlp:~ #
vi /etc/named.conf
# create new
options {
        directory "/var/lib/named";
        managed-keys-directory "/var/lib/named/dyn/";
        dump-file "/var/log/named_dump.db";
        statistics-file "/var/log/named.stats";
        # if listen on IPv4 port
        listen-on port 53 { any; };
        # if listen on IPv6 port
        listen-on-v6 { any; };
        # allow query range ( set internal server and so on )
        allow-query { 127.0.0.1; 10.0.0.0/24; };
        # allow transfer range ( set it if you have secondary DNS )
        allow-transfer { 127.0.0.1; 10.0.0.0/24; };
        recursion yes;
};
view "internal" {
        match-clients {
                localhost;
                10.0.0.0/24;
        };
        zone "." in {
                type hint;
                file "root.hint";
        };
        zone "localhost" in {
                type master;
                file "localhost.zone";
        };
        zone "0.0.127.in-addr.arpa" in {
                type master;
                file "127.0.0.zone";
        };
        zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
                type master;
                file "127.0.0.zone";
        };
        zone "srv.world" in {
                type master;
                file "srv.world.lan";
                allow-update { none; };
        };
        zone "0.0.10.in-addr.arpa" in {
                type master;
                file "0.0.10.db";
                allow-update { none; };
        };
};
view "external" {
        match-clients { any; };
        allow-query { any; };
        recursion no;
        zone "srv.world" in {
                type master;
                file "srv.world.wan";
                allow-update { none; };
        };
        zone "80.0.16.172.in-addr.arpa" in {
                type master;
                file "80.0.16.172.db";
                allow-update { none; };
        };
};

# allow-query              ⇒ query range you allow
# allow-transfer           ⇒ the range you permit to transfer zone info
# recursion                ⇒ allow or not to search recursively
# view "internal" { ** };  ⇒ write for internal definition
# view "external" { ** };  ⇒ write for external definition

# For How to write for reverse resolving, Write network address reversely like below
# Case of 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

# Case of 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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