Make documentation building successful even on RHEL9 sphinx 3.4.3. It
does not like case-insensitive matching of terms, so provide lowercase
text description with Uppercase word reference.
(cherry picked from commit
bc6c6b1184ff1441bddb37cb4d3e2cf7481f2f1d)
To sign using :ref:`NSEC3 <advanced_discussions_nsec3>` instead of :ref:`NSEC
<advanced_discussions_nsec>`, add an NSEC3PARAM record to the initial update
-request. The :term:`OPTOUT <opt-out>` bit in the NSEC3
+request. The :term:`OPTOUT <Opt-out>` bit in the NSEC3
chain can be set in the flags field of the
NSEC3PARAM record.
of the indicated length.
.. warning::
- Do not use extra :term:`iterations`, :term:`salt`, and
- :term:`opt-out` unless their implications are fully understood.
+ Do not use extra :term:`iterations <Iterations>`, :term:`salt <Salt>`, and
+ :term:`opt-out <Opt-out>` unless their implications are fully understood.
A higher number of iterations causes interoperability problems and opens
servers to CPU-exhausting DoS attacks.