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Validation Working Group Updates: Recent History, IANA Registration, and Redirects

This agenda provides a brief overview of the recent history of the Validation Working Group (WG), updates on IANA method registration, discussions on redirects, and an overview of the Validation Summit. It also includes reminders and active methods being worked on. Stay up-to-date with our Trello board.

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Validation Working Group Updates: Recent History, IANA Registration, and Redirects

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  1. Agenda • Brief overview of recent history of validation WG • Odds and Ends • Update on CAA method registration with IANA • Redirects • Validation Summit overview and progress • Any other business? Reminder: What we are working on can always be found on our Trello board: • https://trello.com/b/NuqJuIcZ/validation-working-group

  2. Odds and Ends: IANA registration and Re-directs • Technical Expert has been appointed, IANA registration of CAA tags now takes a few days • Re-directs seem to have a consensus, and keeps coming up. Ballot needed. • Proposal: • One redirect allowed • Must be a “normal” re-direct (HTTP headers only, no parsing of HTML for Meta-refresh, no parsing of javascript)

  3. Brief History of Validation • August 2016: Ballot 169 – Get rid of “any other method” • March 2017: Ballot 187 – Mandatory CAA Checking • September 2017: Ballot 190 – Restricted port list, fixes for ballot 169 • February 2018: Ballot 218 – Remove Validation Methods 1 and 5 • March 2018: Validation Summit • February 2019: Ballot SC13 – CAA CONTACT-EMAIL and e-mail validation • February 2019: Ballot SC7 – “any other method” for IP addresses

  4. Validation Summit • Held in Herndon, Virginia during the March 2018 Face-to-face meeting • Discussed all the validation methods that existed at the time • Validation Summit findings and working document: • https://docs.google.com/document/d/1aJiOzYVTpoAPVWDucnp20cTO2PR_cRsHncvkhlrcR10/edit?pli=1#heading=h.rvt81ejrzk00 • Method 1: Removed • Method 2: E-mail, FAX, SMS, Postal Mail, or Carrier Pidgeon • Method 3: Phone Contact • Method 4: Constructed E-mail • Method 5: Removed

  5. Validation Summit • Held in Herndon, Virginia during the March 2018 Face-to-face meeting • Discussed all the validation methods that existed at the time • Method 6: Agreed-upon change to a website • Method 7: DNS change • Method 8: IP Address • Method 9: Test Certificate • Method 10: TLS with a Random Number • Method 11: Removed: “any other method” • Method 12: Validating application as domain contact

  6. Validation Summit • New methods since the Validation Summit: • Method 13: E-mail to DNS CAA Contact • Method 14: E-mail to DNS TXT Contact • Method 15 (proposed): Phone call to DNS CAA Contact • Method 16 (proposed): Phone call to DNS TXT Contact Up Next: • Improvements to “Method 6: Agreed upon change to a website” • A proposed list of changes exists in the Validation Summit document • Three items need more research

  7. Active Methods • 2: Email – improvements made • 3: Phone – improvements in progress • 4: Constructed E-mail • 6: Agreed-upon change to a website – work in progress • 7: DNS Change - TODO • 8: IP Address – improvements made • 10: Replace with TLS ALPN method – work in progress • 12: New (From method #1: applicant as domain registrant) • 13,14: New (email and phone)

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