DDNS update timed out

[Mark_Andrews at isc.org]

> 
> Hey
> 
> This has been discussed before but I can't get ddns to work properly. 
> (Looked in all archives but can't find solution).
> BIND and DHCP run on the same server IP 192.168.100.45 called 
> imcdt.intra.imc. Trying to add dhcp client called roelf.
> I have done chmod o+w on /var/named as root needs to create 
> /var/named/intra.imc.jnl. But the file doesn't get created.
> 
> This is the error.
> Jan 28 09:57:54 imcdt dhcpd: if IN A roelf.intra.imc rrset doesn't exist 
> add 302400 IN A roelf.intra.imc 192.168.100.199:
>   timed out.
> 
> DHCP start fine:
> Jan 28 09:10:57 imcdt dhcpd: Internet Software Consortium DHCP Server V3.0
> Jan 28 09:10:57 imcdt dhcpd: Copyright 1995-2001 Internet Software Consortium
> .
> Jan 28 09:10:57 imcdt dhcpd: All rights reserved.
> Jan 28 09:10:57 imcdt dhcpd: For info, please visit 
> http://www.isc.org/products/DHCP
> Jan 28 09:10:58 imcdt dhcpd: Wrote 0 leases to leases file.
> Jan 28 09:10:58 imcdt dhcpd: Listening on LPF/eth0//192.168.100.0/24
> Jan 28 09:10:58 imcdt dhcpd: Sending on   LPF/eth0//192.168.100.0/24
> Jan 28 09:10:58 imcdt dhcpd: Sending on   Socket/fallback/fallback-net
> 
> Bind starts fine:
> Jan 28 09:57:50 imcdt /usr/sbin/named[1687]: starting BIND 9.1.3
> Jan 28 09:57:50 imcdt /usr/sbin/named[1687]: using 1 CPU
> Jan 28 09:57:50 imcdt /usr/sbin/named[1689]: loading configuration from 
> '/etc/named.conf'
> Jan 28 09:57:50 imcdt /usr/sbin/named[1689]: zone 'intra.imc' allows 
> updates by IP address, which is insecure
> Jan 28 09:57:50 imcdt /usr/sbin/named[1689]: zone 'in-addr.arpa' allows 
> updates by IP address, which is insecure
> Jan 28 09:57:50 imcdt /usr/sbin/named[1689]: the default for the 
> 'auth-nxdomain' option is now 'no'
> Jan 28 09:57:50 imcdt /usr/sbin/named[1689]: no IPv6 interfaces found
> Jan 28 09:57:50 imcdt /usr/sbin/named[1689]: listening on IPv4 interface 
> lo, 127.0.0.1#53
> Jan 28 09:57:50 imcdt /usr/sbin/named[1689]: listening on IPv4 interface 
> eth0, 192.168.100.45#53
> Jan 28 09:57:50 imcdt /usr/sbin/named[1689]: running
> 
> /etc/dhcpd.conf
> option domain-name "intra.imc";
> default-lease-time 604800;
> max-lease-time 2419200;
> ddns-update-style ad-hoc;
> option domain-name-servers 192.168.100.45;
> 
> subnet 192.168.100.0 netmask 255.255.255.0 {
>          range 192.168.100.100 192.168.100.200;
>          option routers 192.168.100.10;
>          option subnet-mask 255.255.255.0;
>          ddns-updates on;
>          ddns-domainname "intra.imc";
>          ddns-rev-domainname "in-addr.arpa";
> }
> 
> /etc/named.conf
> options {
>          directory "/var/named/";
>          pid-file "named.pid";
>          allow-query { any; };
>          forwarders { x.x.x.x; };
> };
> 
> zone "." {
>          type hint;
>          file "root.hints";
> };
> 
> zone "intra.imc" {
>          type master;
>          file "intra.imc";
>          allow-transfer { any; };
>          allow-update { 192.168.100.45; 127.0.0.1; };
>          check-names ignore;
> };
> 
> zone "in-addr.arpa" {
>          type master;
>          file "100.168.192";
>          allow-transfer { any; };
>          allow-update { 192.168.100.45; 127.0.0.1; };
> };
> 
> /var/named/intra.imc
> $ORIGIN .
> $TTL 86400 ;
> intra.imc.               IN      SOA     imcdt.intra.imc. 
> root.imcdt.intra.imc. (
>                          2002012800      ; serial
>                          28800   ; refresh
>                          7200    ; retry
>                          604800  ; expire
>                          86400   ; minimum
>                          )
>                          NS      imcdt.intra.imc.
> $ORIGIN intra.imc.
> $TTL 3600       ;
> imcdt                   A       192.168.100.47
> localhost               A       127.0.0.1
> 
> 
> /var/named/100.168.192
> $TTL    86400   ;
> imcdt.intra.imc.                IN      SOA     imcdt.intra.imc. 
> root.imcdt.intra.imc. (
>                  2002012800      ; serial
>                  28800   ; refresh
>                  7200    ; retry
>                  604800  ; expire
>                  86400   ; minimum
>                  )
> 
> @               IN      NS      ns.imcdt.intra.imc.
> 44              IN      PTR     imcdt.intra.imc.
> 
> To be honest, I think I made a mistake in my zone files, but can't see 
> where.

	The IP address for imcdt.intra.imc is wrong.

> Maybe somebody can help me solve this please.
> The bad part of this is that I had it working!! Then I installed a raid 
> controller, but didn't back up the files before reinstalling. F at CK.
> 
> Thanks
> 
> <---    Roelf Schreurs          --->
> <---    IMC                     --->
> 
> Linux is like a wigwam - no windows, no gates, apache inside!
> 
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org