Re: [TLS] TLS DNSSEC chain consensus text, please speak up...

2018-05-15 Thread Viktor Dukhovni
> On May 16, 2018, at 1:18 AM, Melinda Shore > wrote: > > Your proposal has been discussed > at length on the list, it's been discussed at length off the list, > and there is still no consensus to modify the extension to support > your use case. You say that, but there are ~5 people on each s

Re: [TLS] TLS DNSSEC chain consensus text, please speak up...

2018-05-15 Thread Melinda Shore
On 5/15/18 8:22 PM, Viktor Dukhovni wrote: > It just leaves > the door open going forward, at negligible cost (two bytes on the > wire in bandwidth, and zero in implementation). I would be grateful if you would have a consistent story on this. Clearly, it's not just two bytes, or there wouldn't be

Re: [TLS] TLS DNSSEC chain consensus text, please speak up...

2018-05-15 Thread Viktor Dukhovni
> On May 16, 2018, at 12:08 AM, Melinda Shore > wrote: > > At any rate this is starting to feel like abuse of process. I was simply following a security AD's suggestion from today's earlier thread with the AD's authors and chairs: > Therefore, if you want to make that change, you need to per

Re: [TLS] TLS DNSSEC chain consensus text, please speak up...

2018-05-15 Thread Melinda Shore
We've had this discussion already, at terrific length. To my knowledge it's still the case that nobody intends to implement the proposed changes, and it's still the case that should there be interest in implementing the new functionality there's the option of a new extension. At any rate this is

[TLS] TLS DNSSEC chain consensus text, please speak up...

2018-05-15 Thread Viktor Dukhovni
The present DNSSEC chain draft is subject to a downgrade attack that strips the extension when the attacker is able to compromise the WebPKI (obtain a fraudulent certificate from a WebPKI CA). This limits the extension to just the use-cases (de novo applications) in which DANE is the only supporte

[TLS] Redirecting draft-ietf-tls-dnssec-chain-extension discussion back to the TLS list

2018-05-15 Thread Paul Wouters
On Tue, 15 May 2018, Eric Rescorla wrote: [ On advise of Eric, replaced the large CC: list with the TLS WG list ] I think I've been pretty clear about my position, but in case it's not clear: - I'm not sure pinning is a great idea for the reasons I've already mentioned   in the thread (i.e., I