Re: [TLS] Representing IP addresses in SNI -- proposed draft

2022-07-28 Thread Erik Nygren
The use-case that may increase IP certificates is this from ADD's DDR: https://datatracker.ietf.org/doc/html/draft-ietf-add-ddr-08#section-4.2 At a high-level, the client talks insecurely to their configured local DNS resolver with IP address "A" and queries for "_dns.resolver.arpa." That ret

Re: [TLS] Representing IP addresses in SNI -- proposed draft

2022-07-28 Thread Tim Hollebeek
I’m worried about the fact that this means a certificate that was issued for and intended to be used by a particular IP address is now potentially usable on any arbitrary IP address via this behavior. Though I haven’t thought it all the through yet, it seems to me to be likely that there are us

[TLS] draft-deprecate-obsolete-kex - Comments from WG Meeting

2022-07-28 Thread Nimrod Aviram
Hi Everyone, Thank you for chiming in with comments and suggestions regarding draft-deprecate-obsolete-kex :-) I've tried to summarize everyone's comments below, hopefully grouped by subject. Apologies in advance if I missed anything (or misspelled names...), please do reply to this thread :-) M