[Last-Call] Re: [IPv6]Re: Secdir telechat review of draft-ietf-6man-zone-ui-07

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Hi,

> On Feb 17, 2025, at 9:17 AM, Brian E Carpenter <brian.e.carpenter@xxxxxxxxx> wrote:
> 
> On 18-Feb-25 07:19, Michael Richardson wrote:
>> Tero Kivinen <kivinen@xxxxxx> wrote:
>>     > Brian E Carpenter writes:
>>     >> >>>  For example, a typical home router may today be configured via "192.168.178.1" but not via "fe80::1%eth0"
>>     >>
>>     >> which only makes sense by using an RFC 1918 address, so I think
>>     >> we have no choice. We could use 10.1.1.1, which is a bit more
>>     >> obvious.
>>     > Why would only RFC1918 addresses make sense there? I have seen home
>> Outside of the ten or so ancient IETFers that have public addresses behind
>> our home routers, it makes no sense to give any other kind of address for the
>> inside of the router.  I'd even argue that it should be 192.168.1.1.
>> It's not actually an example, it's a real thing.
> 
> So is 192.168.178.1, in my FritzBox. I also have an ancient D-Link on my desk
> that answers to 10.1.1.1.

This kind of private address is in widespread usage for device setup.    I looked at the manual for a small router I use:

https://docs.gl-inet.com/router/en/4/faq/first_time_setup/

It defaults to 192.168.8.1 .  A search for “192.168.8.1” gets many hits.  So does a search for “192.168.178.1” and "192.168.1.1".   


> Thinking about it last night, I thought we could change the text to read:
> 
> For example, a typical home router may today be configured via a well-known
> private address [RFC1918] such as "192.168.178.1" but not via "fe80::1%eth0".

+1

Bob


> 
>   Brian
> 
> 
> 
>>     > routers using non RFC1918 addresses too, and they might even take
>>     > IP-address from local DHCP server and use that.
>>     > Changing text to use IPv4 addresses reserved for examples would be
>>     > best.
>> I strongly disagree.
>> --
>> Michael Richardson <mcr+IETF@xxxxxxxxxxxx>   . o O ( IPv6 IøT consulting )
>>            Sandelman Software Works Inc, Ottawa and Worldwide

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