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Old 02-24-2006, 08:59 AM   #1
trainpic
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Question Fedora Core 4 DHCPD and BIND, cannot get Dynamic DNS to work


I'm using fedora core 4 and the BIND nameserver, with dhcpd. This network has no connection to the internet, so the server is master for the root zone. The DNS server works perfectly with the A and PTR records that I have manually entered. The problem is that I cannot get DHCPD to update DNS. I use a 128bit HMAC-MD5 secret key, and set the DHCP server to update the "amsden.com." zone and the "0.168.192.in-addr.arpa." zone. I configured a range of ip adresses, and three fixed addresses for "elap","gamepc", and "ps2" I ran ethereal capturing on both eth0 and lo, and had client "elap" obtain an IP address. I then ran host to find "elap.amsden.com." and received "NXDOMAIN". Ethereal captured no packets from the dhcp to the DNS. I am therefore assuming that DHCP is not properly configured to update DNS. What exactly do I need to do to make it do this?
 
Old 02-25-2006, 12:31 PM   #2
trainpic
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Ok. here are my config files. Maybe I need to post these to get replies.
dhcpd.conf:
Code:
server-name "server";
ddns-updates on;
ddns-update-style interim;
ddns-domainname "amsden.com.";
ddns-rev-domainname "in-addr.arpa.";
ignore client-updates;



subnet 192.168.0.0 netmask 255.255.255.0 {

include "/var/named/chroot/etc/rndc.key";

zone amsden.com. {
	primary 127.0.0.1;
	key rndckey;
}

zone 0.168.192.in-addr.arpa. {
	primary 127.0.0.1;
	key rndckey;
}

	option	subnet-mask		 255.255.255.0;
	option	time-offset 		-18000;
	option	domain-name		"amsden.com.";
	option	domain-name-servers	192.168.0.1;
	option	netbios-name-servers	192.168.0.1;
	option	ntp-servers		192.168.0.1;
	option	netbios-name-servers	192.168.0.1;
	option	netbios-node-type 	2;

	range	192.168.0.50		192.168.0.240;
	default-lease-time		21600;
	max-lease-time			43200;

	host elap {
		hardware ethernet	00:08:02:2C:55:D7;
		fixed-address		192.168.0.11;
	}

	host ps2 {
		hardware ethernet	00:00:39:0B:0E:B1;
		fixed-address		192.168.0.30;
	}

	host ps2_2 {
		hardware ethernet	00:13:15:AA:E0:A3;
		fixed-address		192.168.0.31;
	}

	host gamepc {
		hardware ethernet	00:04:76:B7:02:D0;
		fixed-address		192.168.0.20;
	}
}
named.conf
Code:
options {
	directory "/var/named";
	allow-query { any; };
	recursion no;
};

#include "/etc/rndc.key";

controls {
	inet 192.168.0.0	allow { any; } keys { rndckey; };
	inet 127.0.0.0		allow { any; } keys { rndckey; };
};

zone "." {
	type master;
	file "root.zone";
};

zone "com." {
	type master;
	file "com.zone";
};

zone "amsden.com." {
	type master;
	file "amsden.com.zone";
	allow-update { key "rndckey"; };
};

zone "in-addr.arpa." {
	type master;
	file "in-addr.arpa.zone";
};

zone "0.0.127.in-addr.arpa." {
	type master;
	file "0.0.127.in-addr.arpa.zone";
};

zone "0.168.192.in-addr.arpa." {
	type master;
	file "0.168.192.in-addr.arpa.zone";
	allow-update { key "rndckey"; };
};

zone "localdomain." {
	type master;
	file "localdomain.zone";
};
Note that there are hard-to-see scrollbars on the code boxes that are needed to see the whole thing.

Last edited by trainpic; 02-25-2006 at 12:33 PM.
 
Old 02-25-2006, 05:27 PM   #3
trainpic
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Anyone? Anywhere? Anything???
 
  


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