Commit 31748275 authored by Yoshitaka Aharen's avatar Yoshitaka Aharen
Browse files

[2796] revise a note for qryrecursion

parent d6c6fe48
......@@ -250,10 +250,15 @@
</para>
<para>
RD bit is not specific to queries (requests of opcode 0), but
<quote>qryrecursion</quote> is limited to queries because RD bit is
meaningless for the other opcodes and they are passed to another
BIND 10 module such as <command>b10-ddns</command>.
The <quote>qryrecursion</quote> counter is limited to queries
(requests of opcode 0) even though the RD bit is not specific
to queries. In practice, this bit is generally just ignored for
other types of requests, while DNS servers behave differently
for queries depending on this bit. It is also known that
some authoritative-only servers receive a non negligible
number of queries with the RD bit being set, so it would be
of particular interest to have a specific counters for such
requests.
</para>
</note>
......
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