Re: [DNSOP] draft-ietf-dnsop-kskroll-sentinel-07

Mark Andrews <marka@isc.org> Fri, 23 March 2018 12:41 UTC

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From: Mark Andrews <marka@isc.org>
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Date: Fri, 23 Mar 2018 23:40:51 +1100
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To: Warren Kumari <warren@kumari.net>
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Subject: Re: [DNSOP] draft-ietf-dnsop-kskroll-sentinel-07
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What is the expected behaviour given
example.net CNAME kskroll-sentinel-is-ta-<key-tag>.example.com
when you query for example.net when the key-tag does not match
a root TA? etc.


> On 23 Mar 2018, at 11:22 pm, Warren Kumari <warren@kumari.net> wrote:
> 
> On Fri, Mar 23, 2018 at 10:28 AM, Mark Andrews <marka@isc.org> wrote:
>> Also Section 3.1 is not specific enough to implement.  QNAME needs a
>> qualifier (current or original).
>> 
>> The leftmost label of the QNAME is either "kskroll-sentinel-is-ta-
>>      <key-tag>" or "kskroll-sentinel-not-ta-<key-tag>"
> 
> This was too terse for me to parse.
> 
> The check is: Does the left most label in the query name match
> "kskroll-sentinel-is-ta-<key-tag>" where <key-tag> is as unsigned
> decimal integer (as described in [RFC4034], section 5.3), zero-padded
> to five digits (for example, a Key Tag 42 would be represented in the
> label as 00042).
> 
> So, kskroll-sentinel-is-ta-19036.example.com would match, as would
> kskroll-sentinel-is-ta-20326.example.com, as would
> kskroll-sentinel-is-ta-00042.example.net.
> The question is not kskroll-sentinel-is-ta-original.example.com.
> 
> I really don't understand your question -- please help.
> W
> 
> 
> 
>> --
>> Mark Andrews, ISC
>> 1 Seymour St., Dundas Valley, NSW 2117, Australia
>> PHONE: +61 2 9871 4742              INTERNET: marka@isc.org
>> 
>> _______________________________________________
>> DNSOP mailing list
>> DNSOP@ietf.org
>> https://www.ietf.org/mailman/listinfo/dnsop
> 
> 
> 
> -- 
> I don't think the execution is relevant when it was obviously a bad
> idea in the first place.
> This is like putting rabid weasels in your pants, and later expressing
> regret at having chosen those particular rabid weasels and that pair
> of pants.
>   ---maf

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742              INTERNET: marka@isc.org