Re: [dmarc-ietf] PSD simplification

2018-12-12 Thread Scott Kitterman
On Wednesday, December 12, 2018 05:46:08 PM Dave Crocker wrote: > On 12/12/2018 5:27 PM, Scott Kitterman wrote: > >> And the draft makes no reference to privacy issues. Or rather, the > >> Privacy Considerations section says the draft doesn't introduce any. > > > > As written, it doesn't. If you

Re: [dmarc-ietf] PSD simplification

2018-12-12 Thread Dave Crocker
On 12/12/2018 5:27 PM, Scott Kitterman wrote: And the draft makes no reference to privacy issues. Or rather, the Privacy Considerations section says the draft doesn't introduce any. As written, it doesn't. If you change it the way you propose, it will. Please elucidate. I don't have a guess

Re: [dmarc-ietf] PSD simplification

2018-12-12 Thread Scott Kitterman
On December 12, 2018 3:30:20 PM UTC, Dave Crocker wrote: >On 12/11/2018 9:01 PM, Scott Kitterman wrote: >> On Tuesday, December 11, 2018 08:17:38 PM Dave Crocker wrote: > >>> 1. If the registry is to constrain which public suffix operators >>> are constrained to assert a default record, then

[dmarc-ietf] Final nits fixes after IESG review for ARC protocol

2018-12-12 Thread Kurt Andersen (IETF)
This new version fixes a handful of minor points raised in the IESG reviews. It should be good to hand off to the editors... Name: draft-ietf-dmarc-arc-protocol Revision: 22 Title: Authenticated Received Chain (ARC) Protocol Document date: 2018-12-12 Group: dmarc

[dmarc-ietf] I-D Action: draft-ietf-dmarc-arc-protocol-22.txt

2018-12-12 Thread internet-drafts
A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Domain-based Message Authentication, Reporting & Conformance WG of the IETF. Title : Authenticated Received Chain (ARC) Protocol Authors : Kurt Ande

Re: [dmarc-ietf] PSD simplification

2018-12-12 Thread John R Levine
On Wed, 12 Dec 2018, Dave Crocker wrote: The source of the pressure is that the cost of a queriable registry is high. Very, very high. So creating one needs to have a very compelling justification. I don't see how this one comes close. Seems that way to me. Even if it's distributed by DNS,

Re: [dmarc-ietf] PSD simplification

2018-12-12 Thread Dave Crocker
On 12/12/2018 9:47 AM, John R Levine wrote: On Wed, 12 Dec 2018, Dave Crocker wrote: 3. Given queries for MX record, don't we already have massive exposure of this privacy-related info in DNS activity?  How would this be so much more (and/or worse)? Particularly with large passive DNS databas

Re: [dmarc-ietf] PSD simplification

2018-12-12 Thread John R Levine
On Wed, 12 Dec 2018, Dave Crocker wrote: we used a DNS scheme like my DBOUND one, whoever runs the DNS policy server can see all the queries and will have some idea of the mail traffic from various names. This approach doesn't have that problem. 1. Doesn't the query to the registry suffer t

Re: [dmarc-ietf] PSD simplification

2018-12-12 Thread Dave Crocker
On 12/12/2018 8:59 AM, John Levine wrote: In article <1b0bef4b-61e6-776c-79e8-89631efa8...@dcrocker.net> you write: So I think that the functional goal of kitterman-dmarc-psd is fully satisfied by merely doing a version of the 3A update to DMARC, directing the client to query the immediate paren

Re: [dmarc-ietf] PSD simplification

2018-12-12 Thread John Levine
In article <1b0bef4b-61e6-776c-79e8-89631efa8...@dcrocker.net> you write: >So I think that the functional goal of kitterman-dmarc-psd is fully >satisfied by merely doing a version of the 3A update to DMARC, directing >the client to query the immediate parent of the organizational domain, >if the

Re: [dmarc-ietf] PSD simplification

2018-12-12 Thread Dave Crocker
On 12/11/2018 9:01 PM, Scott Kitterman wrote: On Tuesday, December 11, 2018 08:17:38 PM Dave Crocker wrote: 1. If the registry is to constrain which public suffix operators are constrained to assert a default record, then I'll claim that's a false sense of security, given the range of unrela