Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-25 Thread Tony Finch
nusenu wrote: > > https works also without names it is just less common. It's difficult to get a certificate for an IP address. Tony. -- f.anthony.n.finchhttp://dotat.at/ Forties, Cromarty, Forth, Tyne: Northwest 5 or 6, backing west 4 or 5, occasionally 7 at first in Forties. Rough, occasi

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-24 Thread Brian Dickson
On Sat, Mar 23, 2019 at 10:44 PM Kenji Baheux wrote: > > > On Sat, Mar 23, 2019, 13:04 Wes Hardaker wrote: > >> Kenji Baheux writes: >> >> > * We are considering a first milestone where Chrome would do an >> automatic >> > upgrade to DoH when a user’s existing resolver is capable of it. >

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-23 Thread nusenu
Paul Vixie:> if all you have is an ip address (say, from dhcp or resolv.conf), how > would you decide whether the https endpoint you found at that > address, was using an x.509 key you had any reason to trust? https > wants names. https works also without names it is just less common. Example:

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-23 Thread Olli Vanhoja
If I'm not mistaken, currently the solution used by at least Cloudflare bootstraps using traditional DNS as the certificate they are using for DoH is just a standard X.509 certificate issued by DigiCert. I believe you could just hardcode both the host and IP address on the client side if you want t

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-23 Thread Paul Vixie
Wes Hardaker wrote on 2019-03-22 21:03: Kenji Baheux writes: * We are considering a first milestone where Chrome would do an automatic upgrade to DoH when a user’s existing resolver is capable of it. Sorry for the delayed question, but with respect to this bullet: 1) ... 2) ...

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-22 Thread Wes Hardaker
Kenji Baheux writes: > * We are considering a first milestone where Chrome would do an automatic > upgrade to DoH when a user’s existing resolver is capable of it. Sorry for the delayed question, but with respect to this bullet: 1) Do you have evidence that DOH is faster than DOT, since s

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-13 Thread Erik Kline
On Wed, 13 Mar 2019 at 16:10, Paul Vixie wrote: > On Wednesday, 13 March 2019 19:23:55 UTC Erik Kline wrote: > > > If there is a malicious user or app on a network that someone is > trying to > > > protect, isn't the very existence of these players the actual issue > that > > > needs to be addres

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-13 Thread Paul Vixie
On Wednesday, 13 March 2019 19:23:55 UTC Erik Kline wrote: > > If there is a malicious user or app on a network that someone is trying to > > protect, isn't the very existence of these players the actual issue that > > needs to be addressed? > > I tend to think this is the real issue. Any app can

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-13 Thread Paul Vixie
On Wednesday, 13 March 2019 10:20:58 UTC Kenji Baheux wrote: > On Wed, Mar 13, 2019 at 4:41 PM Paul Vixie wrote: > > ... can i request that you offer DoT as a > > solution, not just DoH? they offer the same capabilities of secrecy and > > authenticity, but DoT can be cheaply disabled by the networ

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-13 Thread nusenu
Kenji Baheux: >We are considering a first milestone where Chrome would do an automatic >upgrade to DoH when a user’s existing resolver is capable of it. Thanks for sharing these insides. Are you also considering to implement support for this I-D currently in the DoH WG (once it is a RFC

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-13 Thread Erik Kline
> > > If there is a malicious user or app on a network that someone is trying to > protect, isn't the very existence of these players the actual issue that > needs to be addressed? > I tend to think this is the real issue. Any app can craft its own non-cleartext-DNS name resolution service; DoH m

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-13 Thread Paul Vixie
On Wednesday, 13 March 2019 02:33:14 UTC Kenji Baheux wrote: > *(Sincere apologies about the multi-posting but the discussion seems to be > happening in different places...)* > > > Hi, > > I'm involved with Chrome's DoH efforts. > > ... > > PS: I won't be able to join IETF 104 to discuss this

Re: [DNSOP] Concerns around deployment of DNS over HTTPS (DoH)

2019-03-12 Thread Kenji Baheux
*(Sincere apologies about the multi-posting but the discussion seems to be happening in different places...)* Hi, I'm involved with Chrome's DoH efforts. I've noticed a few drafts listing concerns about certain types of deployment for DoH. It appears that the key concerns are based on assumptio