Re: [netmod] 6991bis: domain-name

"Rob Wilton (rwilton)" <rwilton@cisco.com> Fri, 29 March 2019 11:15 UTC

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From: "Rob Wilton (rwilton)" <rwilton@cisco.com>
To: Ladislav Lhotka <lhotka@nic.cz>, NETMOD WG <netmod@ietf.org>
Thread-Topic: [netmod] 6991bis: domain-name
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Date: Fri, 29 Mar 2019 11:15:41 +0000
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Subject: Re: [netmod] 6991bis: domain-name
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Hi Lada,

For a domain name that supports wildcard, I wonder whether that wouldn't be better as a separate type.  I can imagine that in a lot of places a wildcard domain name isn't appropriate.

Thanks,
Rob


> -----Original Message-----
> From: netmod <netmod-bounces@ietf.org> On Behalf Of Ladislav Lhotka
> Sent: 29 March 2019 10:20
> To: NETMOD WG <netmod@ietf.org>
> Subject: [netmod] 6991bis: domain-name
> 
> Hi,
> 
> as a follow-up to my comment during the NETMOD session, I want to propose
> the following update to the the inet:domain-name type. The aim is to include
> use cases that are currently rejected:
> 
> - classless in-addr.arpa delegations [RFC 2317], i.e. labels like "128/26"
> 
> - wildcards [RFC 4592], e.g. "*.example.net"
> 
> OLD
> 
>     pattern
>       '((([a-zA-Z0-9_]([a-zA-Z0-9\-_]){0,61})?[a-zA-Z0-9]\.)*'
>     + '([a-zA-Z0-9_]([a-zA-Z0-9\-_]){0,61})?[a-zA-Z0-9]\.?)'
>     + '|\.';
> 
> NEW
> 
>     pattern
>       '((\*\.)?(([a-zA-Z0-9_]([a-zA-Z0-9\-/_]){0,61})?[a-zA-Z0-9]\.)*'
>     + '([a-zA-Z0-9_]([a-zA-Z0-9\-/_]){0,61})?[a-zA-Z0-9]\.?)'
>     + '|\.';
> 
> Lada
> 
> --
> Ladislav Lhotka
> Head, CZ.NIC Labs
> PGP Key ID: 0xB8F92B08A9F76C67
> 
> 
> 
> 
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