> It can also happen if the primary master is unavailable or the update
> merely times out.


No. The message is a result of ACL processing.

> - Kevin
>
> Ben Croswell wrote:
> > Update forwarding, as I understand it, is mainly used in a stealth master
> > configuration. Rather than have DDNS updates go to the stealth master it
> > goes a given DNS server and then that server is configured to forward the
> > updates to the stealth master. That way the general populace doesn't need
> > to talk to your stealth master.
> >
> > On Thu, Aug 28, 2008 at 7:11 PM, Mike Diggins wrote:
> >
> >
> >> I updated my secondary name server from BIND 9.3.5P1 to 9.4.2P2 (Solaris)
> >> earlier this week without any problems. Today I updated the primary. All
> >> is working, but I'm now logging these messages:
> >>
> >> Aug 28 19:04:11 ns1 named[12157]: [ID 873579 local4.error] client
> >> 172.26.20.34#53281: update forwarding 'xxx.mcmaster.ca/IN' denied
> >>
> >> This was not happening prior to the upgrade. I assume this an attempted
> >> dynamic update? I'm not sure what the 'forwarding' part means. I also
> >> don't know why it's now logging these messages, when I have:
> >>
> >> category "update" { "null"; };


Did you read CHANGES?

1301. [func] New category 'update-security'.

> >> in my named.conf. This used to suppress these messages (failed dynamic
> >> updated anyway) - or is this something different? Any why don't I see any
> >> of these messages logged on the secondary?
> >>
> >> BTW, we don't allow any sort of dynamic updates, but I understand that
> >> Windows likes to try anyway. Some clarification would be appreciated.
> >>
> >> -Mike
> >>
> >>
> >>
> >>
> >>

> >
> >
> >

>
>

--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews@isc.org