Re: [DNSOP] wrapping up draft-ietf-dnsop-nsec3-guidance

2021-10-21 Thread Peter van Dijk
On Wed, 2021-10-20 at 11:24 -0700, Wes Hardaker wrote: > So, the question: what's the right FINAL value to put in the draft > before LC? I don't know what the -right- value is, but I know what I want: 0 iterations, empty salt, otherwise the NSEC3 gets ignored, presumably leading to SERVFAIL. Thi

Re: [DNSOP] wrapping up draft-ietf-dnsop-nsec3-guidance

2021-10-21 Thread Matthijs Mekking
On 21-10-2021 13:22, Peter van Dijk wrote: On Wed, 2021-10-20 at 11:24 -0700, Wes Hardaker wrote: So, the question: what's the right FINAL value to put in the draft before LC? I don't know what the -right- value is, but I know what I want: 0 iterations, empty salt, otherwise the NSEC3 gets

Re: [DNSOP] wrapping up draft-ietf-dnsop-nsec3-guidance

2021-10-21 Thread Miek Gieben
[ Quoting in "Re: [DNSOP] wrapping up draft-ietf-..." ] I don't know what the -right- value is, but I know what I want: 0 iterations, empty salt, otherwise the NSEC3 gets ignored, presumably leading to SERVFAIL. This removes the 'insecure' window completely. So, I'll support any push to lower

Re: [DNSOP] wrapping up draft-ietf-dnsop-nsec3-guidance

2021-10-21 Thread Matthijs Mekking
IIRC the vendors agreed on 150 for two reasons: 1. There are still a fair amount of zones using this value. Only a handful of zones where using above 150. 2. Resolvers could still cope with such numbers pretty confidently. I agree lower is better, but let's not pick a number randomly, but hav

Re: [DNSOP] wrapping up draft-ietf-dnsop-nsec3-guidance

2021-10-21 Thread Paul Vixie
Matthijs Mekking wrote on 2021-10-21 06:49: ... I agree lower is better, but let's not pick a number randomly, but have data to back up that number. if we need a number that has objective merit, it is zero (0). On 21-10-2021 15:28, Miek Gieben wrote: ... ... I would recommend against

[DNSOP] draft-hardaker-dnsop-intentionally-temporary-insec-01.txt

2021-10-21 Thread Wes Hardaker
FYI, I've published draft-hardaker-dnsop-intentionally-temporary-insec-01.txt It adds a new section using multiple authoritative servers with different data to get around algorithm roll difficulties. It remains to be debated whether these ideas that you shouldn't use unless you have to shou

Re: [DNSOP] wrapping up draft-ietf-dnsop-nsec3-guidance

2021-10-21 Thread Vladimír Čunát
On 21/10/2021 13.22, Peter van Dijk wrote: Editorial nit, already hinted at above: the text currently has "Validating resolvers MAY return SERVFAIL when processing NSEC3 records with iterations larger than 500." - I suggest changing this to "validating resolvers MAY ignore NSEC3 records with it

Re: [DNSOP] wrapping up draft-ietf-dnsop-nsec3-guidance

2021-10-21 Thread Viktor Dukhovni
On Wed, Oct 20, 2021 at 11:24:47AM -0700, Wes Hardaker wrote: > But, as Viktor indicated in his posts, we could move even lower (100 > being the next obvious step, but even lower is possible to still retain > a reasonable percentage). But there is of course a risk of we'll never > get to a defini

[DNSOP] Real world examples that contain DNSSEC secure `Wildcard Answer` or `Wildcard No Data`

2021-10-21 Thread Joey Deng
Hello folks, On [RFC4035 3.1.3. Including NSEC RRs in a Response](https://datatracker.ietf.org/doc/html/rfc4035#section-3.1.3), it describes four different cases when NSEC records should be included in a response: 1. No Data 2. Name Error 3. Wildcard Answer 4. Wildcard No Data. I am trying to