DNS Zone File Entries Limit

Mark Andrews marka at isc.org
Fri Nov 16 00:08:43 UTC 2012


In message <50A582D2.30303 at blacklistthisdomain.com>, Silas Cutler writes:
> Well, the authoritative server can handle the zone file size.  However,
> with the slave makes the request for the zone, I get:
> 
>  refresh: unexpected rcode (REFUSED)

The slave is making a SOA query to the master and is getting refused as
as response.  I would be checking your acls.  Look at the logs on the
master.

> On 11/15/12 6:59 PM, Mark Andrews wrote:
> > In message <50A580C1.9080900 at blacklistthisdomain.com>, Silas Cutler writes:
> >> Good Evening,
> >>
> >> I've been doing some DNS RPZ experiments and during my testing I found
> >> that if a DNS Zone on an Authoritative DNS Server has more then 100k
> >> elements, it will not replicate to a slave DNS Server. 
> >>
> >> Do you know if this is a known issue or a PEBKAC related problem?
> > Given named hosts zones with 10's, if not 100's, of millions of
> > records it isn't record count.  There are no fixed limits, just
> > what the machines memory can support.
> >
> >> Cheers,
> >> Silas Cutler
> >> Security Researcher
> >> _______________________________________________
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> ibe
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> 
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org



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