How to disable DNS updates on LINUX server?
nolan at managedandmonitored.net
Thu Nov 23 23:37:53 UTC 2006
--On November 21, 2006 3:55:20 PM -0800 nsvora <nirav.s.vora at gmail.com>
> Hi All,
> I am working on Dynamic DNS client implementation. I have the following
> 1) The target under test gets the IP Address from the DHCP server.
> 2) After getting the IP Address, my DDNS client would send the update
> request to the DDNS server directly.
> But currently, DHCP server is sending the update to the DNS server
> Any idea of how to disable DHCP sending DDNS updates ?
You didn't specify what DHCP server you're using, but if its ISC dhcpd you
can either disable it globally via:
or disable it in individual scopes (per client, per subnet, etc) via:
There are other things to consider as well, such as using TSIG for secure
updates, which I'm guessing you're not doing. (If you were you could just
remove the TSIG key from the dhcpd config)
In my experience you're better off having dhcpd do the updates then
trusting the clients, but in a tightly controlled managed environment
updates from the clients may be acceptable.
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