[bind10-dev] use domain port 53

[Michal 'vorner' Vaner]

Hello

On Tue, Mar 01, 2011 at 10:12:15AM -0600, Jeremy C. Reed wrote:
> I understand there is a concern about doing this now due to not being 
> able to listen to specific interfaces or something like that.

That is not the concern (actually, once #575 and #576 are reviewed, it's not
even true).

The concern is that if something or your system lives on the port (not
unlikely), the components won't start up. They just crash on startup, telling
you the ports can't be used. But you can't reconfigure them, because they are
not running.

So we need to either:
• Default to listening to nothing (users need to configure the thing anyway),
  which is safe.
• Allow editing configuration when the component isn't running.
• Don't completely die when the ports can't be bound.

I don't know about you, but I don't want to explain users they need to turn off
their dns server (as root) to be able to start a testing instance of bind10 as
regular user on different port than 53. It just sounds wrong.

With regards

-- 
Einstein argued that there must be simplified explanations of nature, because
God is not capricious or arbitrary.  No such faith comforts the software
engineer.
                -- Fred Brooks

Michal 'vorner' Vaner
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