Commit 2e18e831 authored by Mark Andrews's avatar Mark Andrews
Browse files

Merge branch '1212-edns-udp-size-docs-not-updated-for-flag-day-changes' into 'master'

Resolve "edns-udp-size docs not updated for Flag Day changes"

Closes #1212

See merge request !2312
parents 160236a7 aca78add
......@@ -8963,18 +8963,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
this has the greatest chance of success on the first try.
</para>
<para>
If the initial response times out, <command>named</command>
will try again with plain DNS, and if that is successful,
it will be taken as evidence that the server does not
support EDNS. After enough failures using EDNS and
successes using plain DNS, <command>named</command>
will default to plain DNS for future communications
with that server. (Periodically, <command>named</command>
will send an EDNS query to see if the situation has
improved.)
</para>
<para>
However, if the initial query is successful with
If the initial query is successful with
EDNS advertising a buffer size of 512, then
<command>named</command> will advertise progressively
larger buffer sizes on successive queries, until
......
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