Re: [DNSOP] fragmentation itself (Re: FYI: draft-andrews-dnsop-defeat-frag-attack)

2019-07-10 Thread Mark Andrews
> On 11 Jul 2019, at 4:00 am, Paul Vixie wrote: > > i like marka's proposed solution below, a lot. and muks' is also clever, > though requiring wire protocol changes. however, fujiwara-san's proposal > describes a broader array of fragmentation problems than just integrity, and > we should

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 >.{in-addr,ip6}.

Re: [DNSOP] Security Considerations Suggestion for draft-ietf-dnsop-rfc7816bis

2019-07-10 Thread Olafur Gudmundsson
Hi Scott, some nits below > On Jul 8, 2019, at 3:00 PM, Hollenbeck, Scott > wrote: > > I've recently been reading draft-ietf-dnsop-rfc7816bis and I'd like to > propose some additional text for the Security Considerations section in the > spirit of this sentence from the abstract: > > "Futur

Re: [DNSOP] Working Group Last Call for: draft-ietf-dnsop-rfc2845bis

2019-07-10 Thread bert hubert
On Wed, Jul 10, 2019 at 10:56:26PM +0200, Benno Overeinder wrote: > >From the feedback on the mailing list, the chairs believe that all > feedback and comments have been addressed by the authors, either in the > draft or on the mailing list. With tremendous apologies for not spending a second on t

Re: [DNSOP] FYI: draft-andrews-dnsop-defeat-frag-attack

2019-07-10 Thread Mark Andrews
is the base64 encoding of 3 zero octet. If named was using a hex encoding it would be 00. -- Mark Andrews > On 11 Jul 2019, at 06:45, Bob Harold wrote: > > >> On Wed, Jul 10, 2019 at 2:21 AM Mark Andrews wrote: >> I’ve written up a method to defeat UDP fragmentation attacks using

[DNSOP] Working Group Last Call for: draft-ietf-dnsop-rfc2845bis

2019-07-10 Thread Benno Overeinder
The authors of draft-ietf-dnsop-rfc2845bis recently posted a new version -05 to the DNSOP WG mailing list. >From the feedback on the mailing list, the chairs believe that all feedback and comments have been addressed by the authors, either in the draft or on the mailing list. This starts a Workin

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread John Bambenek
And the existing system is not consistently formatted, this would create a parseable and consistent standard. And would bypass GDPR concerns by registries. On 7/10/19 3:14 PM, David Conrad wrote: > Philip, > > On Jul 10, 2019, at 6:24 AM, Philip Homburg > mailto:pch-dnso...@u-1.phicoh.com>> wrote

Re: [DNSOP] FYI: draft-andrews-dnsop-defeat-frag-attack

2019-07-10 Thread Bob Harold
On Wed, Jul 10, 2019 at 2:21 AM Mark Andrews wrote: > I’ve written up a method to defeat UDP fragmentation attacks using TSIG. > > https://tools.ietf.org/html/draft-andrews-dnsop-defeat-frag-attack-00 > > If we are going to discuss methods to defeat such attacks this should be > considered. > > -

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread David Conrad
Philip, On Jul 10, 2019, at 6:24 AM, Philip Homburg wrote: > With that in mind, it seems that this proposal doesn't address any technical > issues with whois. Maybe rate limiting by most (all?) whois servers? Regards, -drc signature.asc Description: Message signed with OpenPGP __

Re: [DNSOP] draft-ietf-dnsop-serve-stale: returning stale answers when faced with SERVFAIL responses

2019-07-10 Thread Bob Harold
On Fri, Jul 5, 2019 at 12:27 AM Warren Kumari wrote: > On Thu, Jul 4, 2019 at 12:12 PM Dave Lawrence wrote: > > > > Paul Hoffman writes: > > >However, implementations MUST NOT send stale data if they have > received > > >any answer from an authoritative server. > > > > I personally stron

Re: [DNSOP] draft-fujiwara-dnsop-avoid-fragmentation-00

2019-07-10 Thread Brian Dickson
Sorry for the late message, but I support both the intent and the draft. One question: Would it be feasible for recommending that full service resolvers check for EDNS0 bufsize compliance, and treat violations as if they were TC=1? E.g. Suppose I am a resolver, and send my query to an authority se

[DNSOP] fragmentation itself (Re: FYI: draft-andrews-dnsop-defeat-frag-attack)

2019-07-10 Thread Paul Vixie
i like marka's proposed solution below, a lot. and muks' is also clever, though requiring wire protocol changes. however, fujiwara-san's proposal describes a broader array of fragmentation problems than just integrity, and we should be looking at that broader array when making our plans. i thin

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread Joe Abley
On 10 Jul 2019, at 10:13, Philip Homburg wrote: > Support for voluntary information has a cost to implement. It is possible > that registrars don't want to provide that feature because it would not > make them any money. It's also possible that registrants don't want registrars to provide that

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread Philip Homburg
> The technical issue with > whois is that its dark in many places and getting darker with > minimal to no prospect of coming back (in a usable form). > > While GDPR applies only to EU natural persons because there is no > way to distinguish between natural persons and legal persons and > no way t

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread John Bambenek
Subdelegation/federation of whois (or rdap) servers could solve the problem. Whois still would remain effectively unstructured and unparseable but that’s the status quo. It would require entities to set up another public facing service. That’s an approach, I can’t say its wrong. My philosophy

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread John Bambenek
This is my understanding as well as the approach and legal assumption I used in creating this draft. — John Bambenek On July 1st, 2019, my DGA feeds are converting to a CC-BY-NC-SA 4.0 license which means commercial use will require a license. Contact sa...@bambenekconsulting.com for details

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread John Bambenek
The technical issue with whois is that its dark in many places and getting darker with minimal to no prospect of coming back (in a usable form). While GDPR applies only to EU natural persons because there is “no way” to distinguish between natural persons and legal persons and “no way” to dist

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread Philip Homburg
> > As far as I know, there is no issue with whois and the GDRP when it comes > > to voluntarily publishing information in whois. > > Nope. Its OK for you to publish your Personal Data. For anything > else, you need to get informed consent first. And be able to prove > that. And give the Data Subj

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread Jim Reid
> On 10 Jul 2019, at 14:24, Philip Homburg wrote: > > As far as I know, there is no issue with whois and the GDRP when it comes > to voluntarily publishing information in whois. Nope. It’s OK for you to publish your Personal Data. For anything else, you need to get informed consent first. And

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread Philip Homburg
> Im not sure the point > aside of illustrating if there is no response for the domain records > by the auth server that there would also be no response for a _whois > record. Thats true. > > 1) Using _whois is completely optional, like SPF or any other > record. 2) I cant envision much legitimat

Re: [DNSOP] Proposal: Whois over DNS

2019-07-10 Thread John Bambenek
I’m not sure the point aside of illustrating if there is no response for the domain records by the auth server that there would also be no response for a _whois record. That’s true. 1) Using _whois is completely optional, like SPF or any other record. 2) I can’t envision much legitimate need t

[DNSOP] draft-mekking-dnsop-obsolete-dlv

2019-07-10 Thread Tim Wicinski
All First, we want to thank Matthijs on putting together such a straight forward and complete document. After discussing this amongst ourselves, and with our AD, and reading the specifics here: https://www.ietf.org/blog/iesg-statement-designating-rfcs-historic/ We are going to take the path

[DNSOP] The DNSOP WG has placed draft-mekking-dnsop-obsolete-dlv in state "WG Document"

2019-07-10 Thread IETF Secretariat
The DNSOP WG has placed draft-mekking-dnsop-obsolete-dlv in state WG Document (entered by Tim Wicinski) The document is available at https://datatracker.ietf.org/doc/draft-mekking-dnsop-obsolete-dlv/ Comment: Will be following Step #2 of https://www.ietf.org/blog/iesg-statement-designating-rfc

Re: [DNSOP] FYI: draft-andrews-dnsop-defeat-frag-attack

2019-07-10 Thread Mukund Sivaraman
On Wed, Jul 10, 2019 at 04:21:11PM +1000, Mark Andrews wrote: > I’ve written up a method to defeat UDP fragmentation attacks using TSIG. > > https://tools.ietf.org/html/draft-andrews-dnsop-defeat-frag-attack-00 > > If we are going to discuss methods to defeat such attacks this should be > conside