IXFR client tools
Mark_Andrews at isc.org
Mark_Andrews at isc.org
Wed Dec 11 10:09:00 UTC 2002
>
> Does anyone know of any tools to make dynamic updates to a zone that
> could be scripted? I'm thinking about DNS blacklists and how much of a
> waste of resources it is to transfer a large zone every time there is an
> update (or a literal copy of the zone a couple times a day). The
> obvious solution is IXFR transfers. I don't know of any tools that can
> make dynamic updates that could be scripted however.
>
> I was getting a AXFR transfer of a large DNSBL up until a few weeks ago
> when the server disallowed transfers (probably because of the resources
> it consumes). I pass it internally to my other DNS boxes so as to not
> waste more of that server's bandwidth. I recently had to resort to
> literal copying of the zone when commanded. That works but it consumes
> almost as much resources as the full zone transfer (consumes less
> because it isn't done with each change, only when commanded).
>
> If there was a simple CLI tool to make dynamic changes to master with
> scripts, it would be possible to use IXFR to only transfer the changes,
> saving resources on the master, resources on the primary slaves, and
> resources down at the slave level my servers are at. The dynamic update
> tool is the key as best I can tell. Does anyone know of any or have any
> other suggestions? I don't run a DNS blacklist so I don't know if this
> is even feasible or possible. It seems logical though.
>
> J
nsupdate.
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at isc.org
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