+4984. [bug] Improve handling of very large incremental
+ zone transfers to prevent journal corruption. [GL #339]
+
4983. [func] Add the ability to not return a DNS COOKIE option
when one is present in the request (answer-cookie no;).
[GL #173]
<itemizedlist>
<listitem>
<para>
- None.
+ <command>named</command> now rejects excessively large
+ incremental (IXFR) zone transfers in order to prevent
+ possible corruption of journal files which could cause
+ <command>named</command> to abort when loading zones. [GL #339]
</para>
</listitem>
</itemizedlist>