dhcpd.conf for dynamic dns

Chow Chi Ho (FP&HO) chchow at cabletv.com.hk
Tue Mar 20 02:59:20 UTC 2007


I am using the below example but it does not work.
And there is no traffic from dhcp server to dns server (192.168.128.40) via tcpdump.

any idea ?

-----Original Message-----
From: S Kalyanasundaram [mailto:skalyanasundaram at novell.com]
Sent: Monday, March 19, 2007 6:59 PM
To: Chow Chi Ho (FP&HO); dhcp-users at isc.org
Subject: RE: dhcpd.conf for dynamic dns


So you are ready to update dns with out keys. If you are not worried about security then yes. You can use it. But make sure in named.conf file in the example.com zone you have the statement. "allow-update {any;};"

 -"kalyan"

>>> "Chow Chi Ho (FP&HO)" <chchow at cabletv.com.hk> 03/19/07 3:23 PM >>>
Can I  use

ddns-update-style interim;
zone  example.com. { 
	primary 192.168.128.40; 
}
zone .10174.10.in-addr.arpa. { 
	primary 192.168.128.40; 
}


instead of using  KEY ?

-----Original Message-----
From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org]On Behalf Of jgomez at infoweapons.com
Sent: Monday, March 19, 2007 5:39 PM
To: dhcp-users at isc.org
Subject: Re: dhcpd.conf for dynamic dns


> Hi all,
>
> How can I config dhcpd.conf   to  enable dynamic dns server update ?

In dhcpd.conf, add the following:

ddns-update-style interim;

key update.1.168.192.in-addr.arpa.
{
    algorithm hmac-md5;
    secret "TG6KQ9zBEzvGcsWKRO96zA==";
}

zone 1.168.192.in-addr.arpa
{
    key update.1.168.192.in-addr.arpa.;
}


Please see attached document for more information...

Cheers;

Jonna




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