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Old 02-15-2009, 05:08 AM   #1
gnoovy
LQ Newbie
 
Registered: Feb 2009
Posts: 1

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Dynamic DNS and DHCP on Fedora ore 9 / Centos 5.2


hello,

i would like to configure ddns over dhcp on a fedora core 9 or centos 5.2server. So I'm using the rndc.key under /etc to update the dns-zones over dhcp. The reverse-zone-updating is worked correctly but for the forward-zone-update comes the message in /var/log/messages: " client <ip-adress>#1121: update 'linuxnet.local/IN' denied. I don't know why. Here is my dhcp.conf, named.conf and my zone-files: I hope anyone can help me ;-)

Code:
include "/etc/rndc.key";
controls {
inet 127.0.0.1 port 953 allow { 127.0.0.1; 192.168.178.250; } keys { "rndckey"; };
};

options {
	directory "/etc";
	pid-file "/var/run/named/named.pid";
//	forwarders { 192.168.178.254; };
	};


zone "linuxnet.local" {
	type master;
	file "/var/named/linuxnet.local.hosts";
        allow-update { key "rndckey"; 192.168.178.250; };
	};
zone "178.168.192.in-addr.arpa" {
	type master;
	file "/var/named/192.168.178.rev";
        allow-update { key "rndckey"; 192.168.178.250; };
	};
Code:
$ORIGIN .
$ttl 38400
linuxnet.local.	IN	SOA	centos-server.linuxnet.local. root.linuxnet.local. (
			1234634931
			10800
			3600
			604800
			38400 )
	                NS  centos-server.linuxnet.local.
$ORIGIN linuxnet.local.
centos-server.linuxnet.local.	IN	A	192.168.178.250
Code:
$ORIGIN .
$TTL 38400	; 10 hours 40 minutes
178.168.192.in-addr.arpa IN SOA	centos-server.linuxnet.local. root.linuxnet.local. (
				1234635042 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				38400      ; minimum (10 hours 40 minutes)
				)
			NS	centos-server.linuxnet.local.
$ORIGIN 178.168.192.in-addr.arpa.
250			PTR	centos-server.linuxnet.local.
$TTL 21600	; 6 hours
Code:
#
# DHCP Server Configuration file.
#   see /usr/share/doc/dhcp*/dhcpd.conf.sample  
#
ddns-update-style interim;
ddns-updates on;
allow client-updates;
allow unknown-clients;
include "/etc/rndc.key";

subnet 192.168.178.0 netmask 255.255.255.0 {
	option domain-name-servers 192.168.178.250;
	option domain-name "linuxnet.local";
        ddns-rev-domainname "in-addr.arpa";
	option routers 192.168.178.254;
	authoritative;
	ddns-domainname "linuxnet.local";
	range 192.168.178.30 192.168.178.40;
	}
zone linuxnet.local. {
	primary 192.168.178.250;
	key rndckey;
	}
zone 178.168.192.in-addr.arpa. {
	primary 192.168.178.250;
	key rndckey;
	}

Last edited by gnoovy; 02-15-2009 at 05:09 AM.
 
  


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