Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-18 Thread tirumal reddy
Hi Paul, Please see inline On Wed, 17 Jul 2019 at 21:47, Paul Hoffman wrote: > On Jul 17, 2019, at 7:36 AM, tirumal reddy wrote: > >> One example is that the stub or browser may want to change DoH servers, > such as if it has discovered one that has a better security policy. > >> > >

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-17 Thread Paul Hoffman
On Jul 17, 2019, at 7:36 AM, tirumal reddy wrote: >> One example is that the stub or browser may want to change DoH servers, such >> as if it has discovered one that has a better security policy. >> > Attackers can also host DoH servers and claim they have better security > policy, How will

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-17 Thread tirumal reddy
Hi Paul, Please see inline On Thu, 11 Jul 2019 at 05:55, Paul Hoffman wrote: > On Jul 9, 2019, at 3:46 AM, tirumal reddy wrote: > > My comments below: > > > > 1) Unless a DNS request for .{in-addr,ip6}.arpa/IN/RESINFO, > >or a subdomain, as described in Section 2 is sent over DNS-over-TLS

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-12 Thread Vittorio Bertola
On Fri, 12 Jul 2019, Paul Wouters wrote: > > I find the term "security policy", a bit unnerving here. A DNS server > is either secure (and tells the truth), or it is not secure (and tells > lies). There is no "better". Some people say lying is more "secure for the > user", but that can really

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-11 Thread Paul Wouters
On Thu, 11 Jul 2019, Paul Hoffman wrote: Comment> If the stub resolver is already using DoH with the recursive resolver, why does it have to determine the URI template of the DoH server? One example is that the stub or browser may want to change DoH servers, such as if it has discovered one

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-10 Thread Paul Hoffman
On Jul 9, 2019, at 3:46 AM, tirumal reddy wrote: > My comments below: > > 1) Unless a DNS request for .{in-addr,ip6}.arpa/IN/RESINFO, >or a subdomain, as described in Section 2 is sent over DNS-over-TLS >(DoT) [RFC7858] or DNS-over-HTTPS (DoH) [RFC8484], or unless the >

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-04 Thread Paul Wouters
On Thu, 4 Jul 2019, Paul Hoffman wrote: Can you say more about what you mean? Is it a prediction, or a measurement, or a mixture, or something else? A prediction based on current measurements. Seriously, I'd love to be shown to be wrong in the future. We needed this for the freeswan

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-04 Thread Paul Hoffman
On Jul 3, 2019, at 7:13 PM, Joe Abley wrote: > On Jul 3, 2019, at 20:40, Paul Hoffman wrote: > >> If we want DNSSEC signing, we have to use the DNS reverse tree for the >> names, even though only a tiny percent of that tree will be signed. > > Aside from those parts of the in-addr.arpa and

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-04 Thread Ralf Weber
Moin! On 4 Jul 2019, at 2:40, Paul Hoffman wrote: I don't see the parallel with RFC 8484. We cannot force resolver vendors to care enough about announcing information about themselves to use either protocol. And we certainly cannot tell applications how to search for information. We can,

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-03 Thread Joe Abley
Hi Paul, On Jul 3, 2019, at 20:40, Paul Hoffman wrote: > If we want DNSSEC signing, we have to use the DNS reverse tree for the names, > even though only a tiny percent of that tree will be signed. Aside from those parts of the in-addr.arpa and ip6.arpa domains that correspond to special-use

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-03 Thread Paul Hoffman
On Jul 1, 2019, at 4:11 PM, 神明達哉 wrote: > > At Sat, 29 Jun 2019 22:55:07 +, > Paul Hoffman wrote: > > > > - I think the RESINFO RDATA specification (at least its wire format, > > > and preferably also the presentation format) should be more clearly > > > specified. At least to me it

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-03 Thread Paul Hoffman
On Jun 30, 2019, at 1:08 AM, Ralf Weber wrote: > On 30 Jun 2019, at 1:01, Paul Hoffman wrote: >>> - The draft offers two methods of retrieving the object but says nothing >>> about which is mandatory (Me being a lazy DNS geek will certainly not put a >>> web server on my DNS server so won’t

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-07-01 Thread 神明達哉
At Sat, 29 Jun 2019 22:55:07 +, Paul Hoffman wrote: > > - I think the RESINFO RDATA specification (at least its wire format, > > and preferably also the presentation format) should be more clearly > > specified. At least to me it was not very clear, and I'm afraid > > this can lead to

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-06-30 Thread Ralf Weber
Moin! On 30 Jun 2019, at 1:01, Paul Hoffman wrote: - The draft offers two methods of retrieving the object but says nothing about which is mandatory (Me being a lazy DNS geek will certainly not put a web server on my DNS server so won’t implement 3). Will it still work? Why? Neither is

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-06-29 Thread Paul Hoffman
On Jun 29, 2019, at 2:22 PM, Ralf Weber wrote: > > Couple of questions/remarks that may have been asked/answered (but are not > discussed in the draft thus I’m asking). > > - The draft offers two methods of retrieving the object but says nothing > about which is mandatory (Me being a lazy DNS

Re: [DNSOP] [Ext] Request for adoption: draft-sah-resolver-information

2019-06-29 Thread Paul Hoffman
Thanks for the review! On Jun 28, 2019, at 1:06 PM, 神明達哉 wrote: > I don't have a strong opinion on the adoption, but I'm willing to > review it. My comments on 02 follow: > > - I think the RESINFO RDATA specification (at least its wire format, > and preferably also the presentation format)