PTR records for IPv6

Nick Hilliard nick at
Tue Sep 3 14:57:53 CEST 2013

On 03/09/2013 13:46, Marco Sommani wrote:
> On 03/set/2013, at 14:38, md at Linux.IT (Marco d'Itri) wrote:
>> On Sep 03, Mikael Abrahamsson <swmike at> wrote:
>>> Mostly because it's on by default. Even if you configure a static
>>> address and default gw, as soon as the system sees RAs it might
>>> start to use SLAAC based privacy addresses for outgoing connections.
>> This is clearly a misconfiguration.
> You are free to say that this is a misconfiguration, but on Windows, OSX
> and iOS it is the default.

OTOH, windows, OS/X and iOS usually don't provide mail relay service.

It's arguably the correct configuration for desktop boxes.  It's
categorically a stupid configuration for servers, which is made worse by
the fact that it's troublesome to disable on linux (client side) and
several varieties of cisco IOS).


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