what will BIND do if we provide incorrect zone via AXFR?

Matus UHLAR - fantomas uhlar at fantomas.sk
Thu Sep 18 07:05:17 UTC 2003


Barry Margolin <barry.margolin at level3.com> wrote:
> In article <bjak47$2r2k$1 at sf1.isc.org>,
> Matus UHLAR - fantomas  <uhlar at fantomas.sk> wrote:
>>if I made a mistake in a zone and reload BIND, it refuses the zone.
>>What will happen, if the same incorrect zone comes from other (non-BIND) DNS
>>server via AXFR? will bind refure the zone at all, or will it refuse new
>>zone and continue providing old one?
> 
> Zone transfer doesn't work with the text format of the zone file, it uses
> the DNS protocol.  So it can't have a syntax error if the master server is
> functioning properly.

if the master server is functioning properly. That's the problem - I can't
guarantee some of masters won't produce broken data.
-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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