Documentation for sysad 2 DDNS server

Setup using BIND 9

#######################/etc/named.conf##########


zone "mike.local"{
file "/etc/test";
allow-update{
        127.0.0.1;
};
type master;
};
[root@Cent53Full etc]# cat /etc/named.conf
zone "mike.local"{
file "/etc/test";
allow-update{
        127.0.0.1;
};
type master;
};


####################################################

#################/etc/test###################

mike.local.     60      IN      SOA     ns.mike.local   mike.captsolo.com (
        1       ;serial number
        9999999 ;refresh
        9999999 ;retry
        9999999 ; expiry
        9999999 ;minimium
        )

mike.local.     IN      NS      ns.mike.local.
test    99              IN      A       10.2.3.4
yourmom 99      IN      A       192.168.33.4

#############################################

Test procedures

using nsupdate

$nsupdate
>server 127.0.0.1
>zone mike.local
>update add new.mike.local 600 A 1.2.3.4
>
>
in the precceding example, the 600 is the TTL 

Pitfalls

If there is a permissions error with an unknown file, nsupdate will return servfail
If you have forgotten to configure allow-update, nsupdate will return refused