Bug#526823: libc6 2.9-9 broke DNS resolver again
On Tue, May 5, 2009 at 12:38 AM, Bastian Blank <email@example.com> wrote:
> On Mon, May 04, 2009 at 11:55:22PM +0200, Luca Tettamanti wrote:
>> To recap: my ADSL router receives two requests and sends back *two*
>> answers; to the A query it replies with the expected data, to the AAAA
>> query it replies "NotImpl" (see the tcpdump in the first email).
> I doubt that this behaviour is allowed. "Not implemented" is a response
> to the query type, aka standard query or inverse query, not to the
> contents of the query.
I see, I though that "not implemented" was linked to the qtype, not to
the opcode. So, yes, the router is broken, thanks for explaining.
> This behaviour also violates the transparency considerations.
I'm pretty sure that my router predates that RFC :P