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Cause:
BIND was not previously configured with the --enable-filter-aaaa option before build.
Consequence:
As a consequence the filter-aaaa-on-v4 option could not be used in the BIND configuration.
Fix:
The --enable-filter-aaaa configure option has been added so BIND is configured properly before build.
Result:
Users can now use the filter-aaaa-on-v4 option in the BIND configuration.
Description of problem:
Newer versions of BIND (>= 9.7.1) have the option to filter AAAA (ipv6) records for ipv4-only clients.
Version-Release number of selected component (if applicable):
9.8.2-0.17.rc1
Steps to Reproduce:
1. Add `filter-aaaa-on-v4` to named options.
2. Run `service named reload`
3. Watch for error in messages log.
Actual results:
Error from messages log:
option 'filter-aaaa-on-v4' is not configured
Expected results:
If bind-9.8 is compiled with configure option `--enable-ipv6`, then `--enable-filter-aaaa` should also be a configure option. This should help in dual-stack environments where some clients are ipv4-only, and both A and AAAA records exist for a given hostname.
Additional info:
Suggested fix: Add `--enable-filter-aaaa` to configure options in bind.spec
(In reply to Eric Wolfe from comment #0)
> If bind-9.8 is compiled with configure option `--enable-ipv6`, then
> `--enable-filter-aaaa` should also be a configure option.
Not necessarily. filter-aaaa-on-v4 should be used only when really necessary,
since it can cause some problems. But I agree that we should enable the choice
to users.
Tomas, yes, I understand it may not be appropriate in all cases.
I really just want the ability to test this in our environment, using the package as shipped with RHEL.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
http://rhn.redhat.com/errata/RHBA-2014-1373.html