Handling of zone transfers and notify messages

Miek Gieben miekg at atoom.net
Mon Oct 18 13:27:30 UTC 2004

[On 18 Oct, @ 14:59, Måns wrote in "Re: Handling of zone transfers ..."]
> > Is this not the desired behavior? Or am I missing something (obvious)?

<SNIP explanation>

> On top of this comes the issue what should be done with failed zones.
> Several outcomes are possible, as has been mentioned above; 
> 1. go SERVFAIL, ie. remove zone.
> 2. go lame, ie. remove AA but serve and refuse AXFR. (BIND method up to
> expiry.)
> 3. hand out old data with AA bit set and pretend it is raining. 
> Nos 1 and 2 are probably more clever than 3. In effect, #3 is what is being
> done today, with all the other zones in that particular nsd instance --
> hence the SLA issues. 
> Clearer? 

yes, very much so, thanks.

About the 3 points you mention. #2 is rather hard to do for an
authoritative only server... :)

So IMO that only leaves #1, as people have been doing with wrapper
scripts. I will look into it,

grtz Miek

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