[AusNOG] Default IPv6 Local Only Addressing for Non-Internet Devices

[James Hodgkinson]

I could see it as being a great option, but making it a default would be a support nightmare.

"but grandma's printer works from anywhere, why doesn't mine?"

James

On Wed, 16 Oct 2019, at 12:06, Paul Brooks wrote:
> On 15/10/2019 2:33 pm, Mark Smith wrote:
> > I recently bought an IPv6 enabled Wifi printer. As it is attached to
> > my single Wifi SSID it is configuring itself with IPv6 global
> > addresses, even though I don't need it to be reachable from the
> > Internet or able to reach the Internet. (It would be relatively hard
> > to find from the Internet anyway with /64 prefix, and there is an IPv6
> > firewall in front if it).
> >
> > I think it would be better for these types of "Non-Internet' devices
> > not to configure themselves with global IPv6 addresses by default.
> 
> It probably checks back to home base for firmware updates, and 
> downloads firmware
> updates direct from the manufacturer - it will need a global address 
> for that.
> 
> It probably has a function (that may or may not be enabled by default) 
> to register
> with an external rendezvous site to enable you to print to it from 
> outside your home
> network, or via an app or plugin from a mobile device - it will need a 
> global address
> for that (and many would want to block that from happening).
> 
> *you* may not want it to be Internet-reachable, but sure as eggs the printer
> manufacturer considers external connectivity an essential and major ease-of-use
> feature, so good luck with that!
> 
> Paul
> 
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