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Clarify qname-minimization relaxed in the ARM

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Leading underscore in qname confused some users, and it was not
documented.
This commit is contained in:
Petr Špaček
2023-03-03 16:21:03 +01:00
parent 6a4e1d3787
commit 02430a7263
1 changed files with 10 additions and 4 deletions
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14
doc/arm/reference.rst
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@@ -1392,14 +1392,20 @@ default is used.
:tags: query
:short: Controls QNAME minimization behavior in the BIND 9 resolver.
This option controls QNAME minimization behavior in the BIND
resolver. When set to ``strict``, BIND follows the QNAME
When this is set to ``strict``, BIND follows the QNAME
minimization algorithm to the letter, as specified in :rfc:`7816`.
Setting this option to ``relaxed`` causes BIND to fall back to
normal (non-minimized) query mode when it receives either NXDOMAIN or
other unexpected responses (e.g., SERVFAIL, improper zone cut,
REFUSED) to a minimized query. ``disabled`` disables QNAME
minimization completely. ``off`` is a synonym for ``disabled``. The current default is ``relaxed``, but it
REFUSED) to a minimized query. A resolver can use a leading
underscore, like ``_.example.com``, in an attempt to improve
interoperability. (See :rfc:`7816` section 3.)
``disabled`` disables QNAME minimization completely.
``off`` is a synonym for ``disabled``.
The current default is ``relaxed``, but it
may be changed to ``strict`` in a future release.
.. namedconf:statement:: tkey-gssapi-keytab