[dns-operations] Change to BIND minimal-responses config option

Mukund Sivaraman muks at isc.org
Fri Apr 21 03:59:07 UTC 2017

Hi all

So far, the BIND "minimal-responses" config option was set to false in
default config. We are changing this to true in 9.12.

Currently the BIND ARM describes it so:


    If yes, then when generating responses the server will only add
    records to the authority and additional data sections when they are
    required (e.g. delegations, negative responses). This may improve
    the performance of the server. The default is no.

It'll still be possible to set it to false via config in 9.12.

As described, delegations, glue, and negative responses are unaffected,
as it is with BIND <= 9.11 with explicit "minimal-responses yes".

We're seeking feedback on whether the change will impact anyone.

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