rndc reload & allow-update

Alan Clegg aclegg at isc.org
Mon Apr 12 12:16:34 UTC 2010


On 4/12/2010 7:25 AM, aihua zhang wrote:
> 
> hi all,
>     i found if your zone in named.conf set a statement
> {allow-update{any};};then when you use rndc reload ,any modifies will
> not  happen. how can i figure it ? thx

You can only modify dynamic zones in two ways:

1)  dynamic updates (using 'nsupdate' from the command line)
2)  while the zone is frozen
		rndc freeze <zone>
		edit zone file
		rndc thaw <zone>

Note that #2 keeps any updates that occur during your "editing session"
to be lost.

I highly recommend that once a zone is made dynamic that you only use
nsupdate to perform the needed edits.

AlanC

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