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Re: apparent change in hostnames on LAN without admin intervention



On 12/14/2019 4:23 PM, Jonas Smedegaard wrote:
> Quoting john doe (2019-12-14 15:54:20)
>> On 12/14/2019 2:36 PM, Curt wrote:
>>> On 2019-12-14, David Wright <deblis@lionunicorn.co.uk> wrote:
>>>> On Fri 13 Dec 2019 at 19:33:51 (-0500), Jape Person wrote:
>>>>> Hi folks. Did I miss something?
>>>>
>>>> Perhaps a couple of references:
>>>> https://features.icann.org/addressing-new-gtld-program-applications-corp-home-and-mail
>>>> which points out that any of .home, .mail and .corp are ideal for
>>>> the domain name of a home LAN, and RFC 6762 on Multicast DNS which
>>>> explains why .local is not a good choice.
>>>>
>>>
>>> I'm trying to fathom why .home would remain ideal for home LAN users
>>> in light of RFC 8375, which replaces the previously advised '.home'
>>> with 'home.arpa' as the default domain name for homenets, the former
>>> being known to often leak out to the root name servers.
>>>
>>> https://tools.ietf.org/html/rfc8375
>>>
>>> Or does RFC 8378 only apply to toasters and the like (what will they
>>> think of next)?
>>>
>>
>> It only applies to devices useing the HNCP protocol.
>
> ...and .home applies to devices abusing protocols: It's unofficial.
>
> "home.arpa" is usable not only with Homenet (a.k.a. HNCP) protocol, but
> equally well without it.
>

Quoting what I missed in the RFC (1):

"   Although this document makes specific reference to [RFC7788], it is
   not intended that the use of 'home.arpa.' be restricted solely to
   networks where HNCP is deployed.  Rather, 'home.arpa.' is intended to
   be the correct domain for uses like the one described for '.home' in
   [RFC7788]: local name service in residential homenets."


1)  https://tools.ietf.org/html/rfc8375#section-1

--
John Doe


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