[AusNOG] ABC 4Corners - What's Wrong with the NBN?

[Giles Pollock]

Difference is on NBN your landline is converted to a VoIP line and provided
by the ISP. Said ISP won't divulge the SIP configuration so if you want to
use it you're locked in to using their provided router. A router which
dials home for config and happily feeds back all the leases it gives out to
client devices back to the ISPs controller.

I understand networks perfectly well. The difference here is that the
router is not usually preconfigured, rather it pulls its config down using
TR-069. Not usually a problem if you don't mind plaintext configuration
being sent. The issue however is that the ISP in question refuses to
divulge the SIP configuration, so it simply isn't possible to get away from
using their poorly configured and insecure router unless you're prepared to
do without the line you're paying for, or fiddle with the router until you
can force its heavily gimped down firmware to divulge things it isn't
supposed to divulge. You can't even turn off the service to prevent it
reporting back.



On Tue, Oct 24, 2017 at 11:08 AM, Robert Hudson <hudrob at gmail.com> wrote:

> On 24 October 2017 at 10:37, Giles Pollock <glp71s at gmail.com> wrote:
>
>
>> On that topic... What is everyone's thoughts on the prospect of ISPs
>> recording and having access to internal network data, such as knowing what
>> devices are given what DHCP leases and the like? Seems a bit invasive to me
>> given none that I'm aware of make it known to the consumer that they will
>> attempt to collect this information...
>>
>
> This is no different on the NBN than it is for anyone who has, over the
> last however many years ADSL and HFC cable services have been offered,
> connected their internal network to an ISP-supplied ADSL/HFC router which
> provides DHCP services.
>
> If you understand networks enough to recognise the risks, chances are
> you're not relying on your ISP to hand out your DHCP leases.  If you don't
> understand, you don't know what you don't know, and are in the same
> situation you've always been on.
>
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