Logging question about message 'update-security: error: client update denied'

Josh Nielsen jnielsen at hudsonalpha.org
Tue May 17 16:17:16 UTC 2016

Okay, yeah I am running DHCP on the same server so I'll check its settings.


On Mon, May 16, 2016 at 6:08 PM, Matthew Pounsett <matt at conundrum.com>

> On 16 May 2016 at 19:03, Josh Nielsen <jnielsen at hudsonalpha.org> wrote:
>> Thank you for the response Mark. I'm still a little confused at what this
>> might mean though. Clearly the originating address is my slave DNS server
>> (every single one of the messages say "error: client").
>> Are you saying that some process other than named on the same server
>> ( is responsible for these messages (and is there a 'for
>> instance' of what could do such a thing?), or that somehow other hosts are
>> relaying their update requests (again: from what possible processes?)
>> through my slave dns server? What can I look for to figure this out on my
>> network?
> Your DHCP daemon would be one thing that could be generating those
> messages.  Often it's configured to update the DNS with the addresses it's
> handing out (either forward, reverse, or both).
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