8.4.4 reverse zone problems

Barry Margolin barmar at alum.mit.edu
Wed May 26 16:21:21 UTC 2004


In article <c92d66$lp4$1 at sf1.isc.org>,
 David Price <davelist at blackhole.com> wrote:

> I have a /20 block of IP addresses not a 16 and not a 24. How should I 
> set up the zone file to answer for these if "20.10.in-addr.arpa" as a 
> zone is a Bad Thing? Do I have any choices other than these two:
> 
> --Use "20.10.in-addr.arpa" as a zone as we have before and just accept 
> that it is a bad thing (use BIND 8.3.3 since 8.4.4 apparently refuses to 
> work with this, probably because its a bad thing)

BIND has no way of knowing that it's a "bad thing", since it doesn't 
know that you don't own the whole /16 block.  If it's refusing to load 
it, you're probably making some other mistake.

> --Split the zone file into a bunch of smaller zones: 
> 192.20.10.in-addr.arpa, 193.20.10.in-addr.arpa, 194.20.10.in-addr.arpa, 
> and so on (a lot of extra work involved)

As I said in my response yesterday, this is what you're supposed to do.  
What's so hard about it?

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***


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