Stephen Farrell has entered the following ballot position for draft-ietf-dnsop-edns-key-tag-04: Yes
When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html for more information about IESG DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-dnsop-edns-key-tag/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- - abstract: referring to section 1.1 from here seems wrong, the abstract ought be readable by itself - section 5: Is the key tag query only and solely intended to allow the authoritative to track how clients are paying attention (or not) to key rollovers? If there's another purpose I'm not clear about it. - 5.3: "I believe that to be..." seems like the wrong language to use with >1 author. - section 7/8: Is there a missing security/privacy consideration here, in that an authoritative server here could arrange to hand out key tags that are specific to (in the limit) each query, so that when the resolver queries a sub-domain, and thereafter, the client will be identifiable to the authoritative server? One could do this by generating new keys per querier so that if I ask about example.com I get given a tag that's unique to me, and then some web content pushes me to ask about www.example.com and every time I do that I emit that user-specific key tag. While that'd be unlikely for a large zone, it might be feasible as a tracker if some "bad" domain sets up a specific subdomain for such purposes. That said, I'm not clear how much better this is for the attacker compared to simply using a tracking name in the authority component of the URL for e.g. some 1x1 gif. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
