Problem with dynamic update failing
Michael M Friedel
mfl at betty-tv.com
Mon Oct 3 13:50:55 UTC 2005
I am having a problem getting the dynamic DNS update working correctly.
I have both bind and dhcpd running on the same machine.
The bind version is 9.3.1 and the dhcpd is Internet Systems
Consortium DHCP Server V3.0.2
I have read all the available documentation I could find, and if I I
interpret them correctly the below configuration is all I need.
I have also tried using the grant variant , also to no avail.
And this is the output in the named log.
03-Oct-2005 11:55:59.521 info: client 127.0.0.1#32779: updating zone
'20.172.in-addr.arpa/IN': update failed: rejected by secure update
(REFUSED)
03-Oct-2005 12:14:34.456 info: client 127.0.0.1#32779: updating zone
'mydomain.de/IN': update failed: rejected by secure update (REFUSED)
And this is the corresponding dhcp message log
Oct 3 11:55:59 dhcpd: unable to add reverse map from 8.50.20.172.in-
addr.arpa. to vmbuild.mydomain.de: timed out
Oct 3 11:55:59 dhcpd: DHCPREQUEST for 172.20.50.8 from 00:0c:
29:87:94:57 via eth2
Oct 3 11:55:59 dhcpd: DHCPACK on 172.20.50.8 to 00:0c:29:87:94:57
via eth2
Oct 3 12:14:34 dhcpd: Unable to add forward map from kvr.mydomain.de
to 172.20.50.1: timed out
Oct 3 12:14:34 dhcpd: DHCPREQUEST for 172.20.50.1 from 00:c0:df:
11:35:0d (kvr) via eth2
Oct 3 12:14:34 dhcpd: DHCPACK on 172.20.50.1 to 00:c0:df:11:35:0d
(kvr) via eth2
==========
named.conf
--------------
key updatekey {
algorithm hmac-md5;
secret "secretkey==";
};
zone "mydomain.de" in {
file "master/mydomain.deX";
type master;
allow-transfer { localnets; };
allow-update { localhost; key updatekey; };
};
zone "20.172.in-addr.arpa" in {
file "master/20.172.in-addr.arpaX";
type master;
allow-transfer { localnets; };
allow-update { localhost; key updatekey; };
};
===========
dhcpd.conf
--------
# Dynamic DNS Update
ddns-update-style interim;
ddns-domainname "mydomain.de";
key updatekey {
algorithm hmac-md5;
secret "secretkey==";
}
zone 20.172.in-addr.arpa. {
primary 127.0.0.1;
key algorithm;
}
zone mydomain.de. {
primary 127.0.0.1;
key algorithm;
}
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