On Fri, 2015-10-16 at 16:52 +1100, Craig McQueen wrote:
> So the patch would need to be improved as follows:
> * Check that the query first question is for an A record, and only
> send an A record if so.
> * Calculate the correct length of the query header and question
> record(s), in order to position the answer in the correct location in
> the response.
> * Calculate the correct total length of the response.
> * Consider whether an "OPT" or other additional record should be
> copied into the answer
> * Consider how to handle a query with more than one question.

Let's attack the captive portal situation by redirecting traffic from
the hosts to local ports using netfilter. It's a much more elegant and
modular solution than to modify DNS replies from ConnMan.



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