Re: [dns-privacy] [Ext] NOTE Updated date and time of DPRIVE session at IETF113

2022-03-18 Thread Paul Hoffman
ith issues in a timely manner so that the WG can keep focus and we can move that document on the IETF review. This still gives the ADD WG more than the 45 minutes of drafts discussion for their group in their current agenda. --Paul Hoffman smime.p7s Description

[dns-privacy] Restarting the discussion of draft-ietf-dprive-unilateral-probing

2022-07-12 Thread Paul Hoffman
(we're in a slot with the ADD WG, and they have three draft that about to go to IESG ballot), but it would be great if we can spend it working on issues instead of the typical slideware presentation just listing the issues. --Paul Hoffman smime.p7s Description:

Re: [dns-privacy] [Ext] Restarting the discussion of draft-ietf-dprive-unilateral-probing

2022-09-26 Thread Paul Hoffman
Belated thanks for your proposed changes! It has taken this time for the three document authors to be around at the same time. On Aug 30, 2022, at 2:09 PM, Puneet Sood wrote: > Suggest DoET or DoQTH as abbreviations for encrypted transports. Using > DoET in my comments below for conciseness. W

[dns-privacy] draft-ietf-dprive-unilateral-probing-02

2022-09-27 Thread Paul Hoffman
they review and hopefully implement the document. --Paul Hoffman smime.p7s Description: S/MIME cryptographic signature ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Intended Status for draft-ietf-dprive-unilateral-probing

2023-03-01 Thread Paul Hoffman
27;s a good catch! We will fix that in the new draft that should be coming out in a day or so. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Intended Status for draft-ietf-dprive-unilateral-probing

2023-03-02 Thread Paul Hoffman
On Mar 2, 2023, at 10:11 AM, Hollenbeck, Scott wrote: > >> -Original Message- >> From: Paul Hoffman >> Sent: Wednesday, March 1, 2023 2:51 PM >> To: Hollenbeck, Scott >> Cc: dpr...@ietf.org >> Subject: [EXTERNAL] Re: [Ext] [dns-privacy] Inte

Re: [dns-privacy] [Ext] Intended Status for draft-ietf-dprive-unilateral-probing

2023-03-03 Thread Paul Hoffman
course we're happy to revise it during or after WG Last Call if issues are raised. --Paul Hoffman (also for dkg and Joey) ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Intended Status for draft-ietf-dprive-unilateral-probing

2023-03-03 Thread Paul Hoffman
Arrrgh, I turned in the wrong version. Please hold for -05. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-03-22 Thread Paul Hoffman
lks at the Hackathon have time to write up their comments. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-03-22 Thread Paul Hoffman
over > TCP - Implementation Requirements) and 9210 (DNS Transport over TCP > - Operational Requirements). The document is talking about both. The mechanics have to be in the implementation, but they have to be turned on in configuration by the operator deploying the implementation. --Paul Hoff

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-03-27 Thread Paul Hoffman
final document be more useful. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-05-26 Thread Paul Hoffman
with all of the WG Last Call issues raised, except one. We didn't understand "## E" in Yorgos' message from April 7. Yorgos: could you reformulate that concern based on the -06 draft? > Thanks to everyone who has provided feedback to date! Indeed! The draft feels much

Re: [dns-privacy] [Ext] Intdir early partial review of draft-ietf-dprive-unilateral-probing-06

2023-06-05 Thread Paul Hoffman
ersion. This is a known problem with the RFC series today. > > 4.6.11 “a encrypted” -> “an encrypted” Fixed, and in a few other places. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-05 Thread Paul Hoffman
We have turned in -07, which covers Yorgos' issues (thanks!) and the int-dir review (thanks!). We believe it is ready to move to IETF Review. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinf

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-05 Thread Paul Hoffman
progress when there are others who have already implemented it. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-06 Thread Paul Hoffman
are no criteria that say "this experiment succeeded" or "this experiment failed". It will take much less IETF effort to fix the charter now than it will to move the already-deployed protocol to standards track. We might as well bit the bureaucratic bullet now and just f

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-06 Thread Paul Hoffman
ture are minimized. How would you put that (legitimate!) concern into a criterion for the experiment? --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-06 Thread Paul Hoffman
the responses. > Maybe we should first experiment, and then create an updated document that > becomes a standard. Yep, that's what we are discussing. What criteria would you use to determine the success of the experiment? --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-07 Thread Paul Hoffman
tion. Case in point: > "PGM Reliable Transport Protocol Specification" (RFC 3208)" Earlier in that same document, it says what is an expriemental protocol, and this draft doesn't match that description at all. > So I think it best to no longer delay this draft, publish it as experimental > and gain experience in how this actually works. Without more detail about what you want to observe or measure in this experiment that wouldn't be observed or measured for any normal standard, it's hard to agree with that assessment. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-08 Thread Paul Hoffman
resolver on 853. Should we > | explicitely ban this practice? Thanks for the specifics! We do explicitly ban this practice, but it is definitely also worth noting in the document that this could happen. It is definitely one of the operational considerations.

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-08 Thread Paul Hoffman
mple of this? I was; now I'm not. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-09 Thread Paul Hoffman
, add some operational observations, and move it to standards track". I'll issue a new draft with the new status, and add text about recursive resolvers doing DoT and/or DoQ for stub resolvers, as well as being authoritative servers on the same addr

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-09 Thread Paul Hoffman
Here is my first cut of wording for a new operational considerations section to deal with systems that are both recursive and authoritative on port 853. Comments are welcome. As recursive resolvers implement this protocol, authoritative servers will see more probing on port 853 of IP addresses

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-10 Thread Paul Hoffman
ack > to port 53. The feeling that I got from the other messages is that the server on 853 is not lame: it is being authoritative for some names and recursive for all others. If so, it's not lame at all. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-12 Thread Paul Hoffman
On Jun 12, 2023, at 1:46 AM, Florian Obser wrote: > > On 2023-06-10 22:48 UTC, Paul Hoffman wrote: >> On Jun 10, 2023, at 1:38 PM, Philip Homburg >> wrote: >>> >>>> In such a case, resolvers following >>>> this protocol will look for aut

Re: [dns-privacy] [Ext] Dnsdir early review of draft-ietf-dprive-unilateral-probing-07

2023-06-12 Thread Paul Hoffman
n 6.5 of [RFC9250] ("Connection Handling") > > should be > > | Section 5.5 of [RFC9250] ("Connection Handling") Fixed. > > * 4.6.11. Maintaining Connections > | Some recursive resolvers looking to amortize connection costs, and to > | minimize latency MAY choose to synthesize queries to a particular > | resolver to keep an encrypted transport session active. > > s/particular resolver/particular authoritative server/ Fixed. > > * 5. IANA Considerations > odd boiler plate There is no standard for NXIANA boiler plate. IANA always double-checks the section when documents move to IETF Last Call. Thanks again for the thorough review! --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Secdir early review of draft-ietf-dprive-unilateral-probing-07

2023-06-23 Thread Paul Hoffman
Belated thanks for this review. I've accepted many of the nits without note, but some notes below. --Paul Hoffman On Jun 9, 2023, at 1:20 PM, Rich Salz via Datatracker wrote: > > Reviewer: Rich Salz > Review result: Has Nits > > Sec 2.2 Is the main point of the first p

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-24 Thread Paul Hoffman
On Jun 14, 2023, at 10:08 AM, Florian Obser wrote: > > On 2023-06-12 19:48 UTC, Paul Hoffman wrote: >> On Jun 12, 2023, at 1:46 AM, Florian Obser wrote: >>> >>> On 2023-06-10 22:48 UTC, Paul Hoffman wrote: >>>> On Jun 10, 2023, at 1:38 PM, Philip Hom

Re: [dns-privacy] [Ext] Next steps : draft-ietf-dprive-unilateral-probing

2023-06-26 Thread Paul Hoffman
tack of editorial comments already in the repo, and can put out a new draft with all the current text, then one final one with the results of the steps above. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

[dns-privacy] Status of implementations

2023-06-27 Thread Paul Hoffman
ot server identifiers), a social media site, some DNS software developers, and others = Can everyone who contributed to this list earlier please verify that their entry is (entries are) still correct? Are there other early implementations that we should add? --Pau

[dns-privacy] Key metrics

2023-06-27 Thread Paul Hoffman
urement and descriptions of observed attack traffic, if any. > Are there additional key metrics we should add to the document? --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-06-30 Thread Paul Hoffman
at changing that to the following would fix the problem you describe: But if `R` is unsuccessful (RCODE other than 0, timeout, connection closed): Does that fix your case and not break other cases? --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [dnsdir] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-07-03 Thread Paul Hoffman
On Jul 3, 2023, at 11:19 AM, Peter van Dijk wrote: > > On Mon, 2023-07-03 at 10:50 +0200, Peter van Dijk wrote: >> On Fri, 2023-06-30 at 16:32 +, Paul Hoffman via dnsdir wrote: >>> The current wording at the end of 4.6.9 is: >>>But if `R` is unsuccessf

Re: [dns-privacy] [Ext] Fwd: Next steps : draft-ietf-dprive-unilateral-probing

2023-07-03 Thread Paul Hoffman
t doesn't mention probing at all, and the root zone that >> does no probing. >> >> I think this section should be removed before publication. I'd like to follow RFC 7942 (which is also BCP 202) so we don't get in trouble during the IESG review. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Next steps : draft-ietf-dprive-unilateral-probing

2023-07-05 Thread Paul Hoffman
to the IESG for publication. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] WGLC : draft-ietf-dprive-unilateral-probing

2023-07-17 Thread Paul Hoffman
that I didn't know of any IPR on the draft. I make no assertion whether or not the Verisign IPR even applies to the draft. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] AD review of draft-ietf-dprive-unilateral-probing-09

2023-07-21 Thread Paul Hoffman
> Only one prioritization scheme in this section while there were two in > section 3.4 Section 3 is about authoritative servers, Section 4 is about resolvers. In general, no one gets too concerned about resource exhaustion in resolvers. After the deployment experiemt, maybe that will

Re: [dns-privacy] [Ext] AD review of draft-ietf-dprive-unilateral-probing-09

2023-07-27 Thread Paul Hoffman
Please see the -10 that was just submitted. Let us know if we need to make more changes before you want to move this on to IETF Last Call. --Paul Hoffman (for dkg and Joey as well) ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org

Re: [dns-privacy] [Ext] AD review of draft-ietf-dprive-unilateral-probing-09

2023-08-04 Thread Paul Hoffman
er to parse though. Sure, I'll make a run at that for -10 as well. > # Section 4.2 > > Is there any chance to also use an IPv6 example ? > > EV> Obviously, there was no chance ;-) We chose to keep the examples consistent with each other. I'll prep a -10, and we'll submit it next week. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] I-D Action: draft-ietf-dprive-unilateral-probing-11.txt

2023-08-08 Thread Paul Hoffman
first will It is that uncommon for a name server to have one A record and one record? I'd rather not go all-IPv6 because some readers might think that the discussion is for v6-only systems. If possible, I'd rather just say "(with one A record and one record)". --P

Re: [dns-privacy] [Ext] Opsdir last call review of draft-ietf-dprive-unilateral-probing-11

2023-08-31 Thread Paul Hoffman
- Section 3, you expand DoT and DoQ here but, they have already been used > without expansion in 2.2 Fixed. > > - Section 4, s/in failed resolutions or significant delay/in failed > resolutions > or significant delays/ Fixed. Again, thanks! --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Opsdir last call review of draft-ietf-dprive-unilateral-probing-11

2023-08-31 Thread Paul Hoffman
value" to indicate why one would want to do the modeling. If you think we need to say more, we can do so in the next draft. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Dnsdir telechat review of draft-ietf-dprive-unilateral-probing-12

2023-09-04 Thread Paul Hoffman
ive client who > associates state with the NS name and reaches 2001:db8::7 first will > > Same in 4.5: Yep, agree, and that should keep our AD happy as well. We will make this change in -13. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Artart last call review of draft-ietf-dprive-unilateral-probing-12

2023-09-07 Thread Paul Hoffman
ple nameservers, and that it is likely that if one server has a failure such as a timeout, the resolver will try the other nameservers (which may or may not be encrypting). Are you proposing a shorter value for "damping", or a note saying "1 day is just the suggested value, you mi

Re: [dns-privacy] [Ext] Intdir telechat review of draft-ietf-dprive-unilateral-probing-12

2023-09-07 Thread Paul Hoffman
(or not)? - It would be nice if the examples in Section 4.5 that > don’t list both IPv4 and IPv6 example addresses chose IPv6 as the primary > example. > Yeah, that section got sidetracked. Can fix. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [art] [Ext] Artart last call review of draft-ietf-dprive-unilateral-probing-12

2023-09-07 Thread Paul Hoffman
On Sep 7, 2023, at 6:58 PM, Bron Gondwana wrote: > > On Fri, Sep 8, 2023, at 02:18, Paul Hoffman wrote: >> Thanks for the review! >> >> On Sep 7, 2023, at 7:16 AM, Bron Gondwana via Datatracker >> wrote: >> >> > My only concern is that it d

Re: [dns-privacy] [Ext] Erik Kline's No Objection on draft-ietf-dprive-unilateral-probing-12: (with COMMENT)

2023-09-16 Thread Paul Hoffman
't defined". It could be added to Section 8, but given my lack of expertise in captive portals, I would want the specific wording to come from someone who knows much more. If we can copy the wording from some other RFC that has the same issue, that would be best. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Roman Danyliw's No Objection on draft-ietf-dprive-unilateral-probing-12: (with COMMENT)

2023-09-19 Thread Paul Hoffman
can be > rejected. Yes, exactly. Even if you can't stop your library from verifying, you must be able to ignore the verification failures. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [Ext] Roman Danyliw's No Objection on draft-ietf-dprive-unilateral-probing-12: (with COMMENT)

2023-09-20 Thread Paul Hoffman
> On Sep 20, 2023, at 2:32 PM, Paul Wouters wrote: > > On Tue, 19 Sep 2023, Paul Hoffman wrote: > >> We don't know. It was pointed out in the WG discussion that some PKIX >> libraries do different types of verification regardless of what you want >> them

Re: [dns-privacy] [Ext] Paul Wouters' Discuss on draft-ietf-dprive-unilateral-probing-12: (with DISCUSS and COMMENT)

2023-10-03 Thread Paul Hoffman
g the Recursion Desired (RD) > flag and the query ID) ? Yes; fixed. > I don't think this is an operational consideration > for unilateral probing. True, but it didn't exist in any other RFC we could find to reference, so it seemed reasonable to state it here rather than ignore i

Re: [dns-privacy] [Ext] [Editorial Errata Reported] RFC7858 (7753)

2024-01-09 Thread Paul Hoffman
Please accept with a status of "hold for update". --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [DNSOP] DNS over DTLS (DNSoD)

2014-04-23 Thread Paul Hoffman
NS Opcode would be 15, which is undefined)." Has anyone run any tests against currently deployed recursive resolvers and authoritative servers to see what they do when sent the initial DTLS packet? --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] [DNSOP] DNS over DTLS (DNSoD)

2014-04-23 Thread Paul Hoffman
On Apr 23, 2014, at 8:42 AM, Dan Wing wrote: > On Apr 23, 2014, at 7:26 AM, Paul Hoffman wrote: > >> On Apr 23, 2014, at 6:47 AM, Dan Wing wrote: >> >>> For discussion. >>> >>> DNS queries and responses are visible to network elements on the p

Re: [dns-privacy] DNS over DTLS (DNSoD)

2014-04-24 Thread Paul Hoffman
On Apr 23, 2014, at 11:11 PM, Stephane Bortzmeyer wrote: > On Wed, Apr 23, 2014 at 09:16:29AM -0700, > Paul Hoffman wrote > a message of 39 lines which said: > >> Sure. What were the results of your testing? > > I quickly tested with .FR authoritative name servers

Re: [dns-privacy] DNS over DTLS (DNSoD)

2014-04-24 Thread Paul Hoffman
ically, the DNS Opcode is invalid). > > Sorry, you are right, and I had misread that. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

[dns-privacy] New draft on encrypting the stub-to-resolver link: draft-hoffman-dns-tls-stub-00.txt

2014-08-18 Thread Paul Hoffman
Greetings. I created a new proposal on a simple way to do DNS over TLS between stubs and resolvers. Comments are appreciated. --Paul Hoffman > A new version of I-D, draft-hoffman-dns-tls-stub-00.txt > has been successfully submitted by Paul Hoffman and posted to the > IETF repository.

Re: [dns-privacy] New draft on encrypting the stub-to-resolver link: draft-hoffman-dns-tls-stub-00.txt

2014-08-19 Thread Paul Hoffman
y this first riski step. > > Sorry for my long email, It is not the length that bothers me: it is the attitude of "because I have this policy for my own traffic, the rest of you cannot have better privacy because I don't want the protocol to allow it". --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] New draft on encrypting the stub-to-resolver link: draft-hoffman-dns-tls-stub-00.txt

2014-08-19 Thread Paul Hoffman
On Aug 19, 2014, at 11:12 AM, 神明達哉 wrote: > At Mon, 18 Aug 2014 10:59:22 -0700, > Paul Hoffman wrote: > >> Greetings. I created a new proposal on a simple way to do DNS over >> TLS between stubs and resolvers. Comments are appreciated. > > I have one few small c

Re: [dns-privacy] New draft on encrypting the stub-to-resolver link: draft-hoffman-dns-tls-stub-00.txt

2014-08-19 Thread Paul Hoffman
r that blocks TLS > traffic - is there a way for the resolver to somehow learn in-band on > port 53 that this attack is happening? Probably, but you still haven't said what value there is in knowing that. A stub resolver has no log and no way of alerting anyone that it discovered somethin

Re: [dns-privacy] New draft on encrypting the stub-to-resolver link: draft-hoffman-dns-tls-stub-00.txt

2014-08-19 Thread Paul Hoffman
[[ Combined PaulW's and Jacob's responses ]] On Aug 19, 2014, at 2:01 PM, Paul Wouters wrote: > On Tue, 19 Aug 2014, Paul Hoffman wrote: > >>> I wonder this 'MUST' may be too strong (or I don't fully understand >>> the sense of this MUST). Sin

Re: [dns-privacy] New draft on encrypting the stub-to-resolver link: draft-hoffman-dns-tls-stub-00.txt

2014-08-20 Thread Paul Hoffman
On Aug 20, 2014, at 6:30 AM, Jacob Appelbaum wrote: > On 8/19/14, Paul Hoffman wrote: >> [[ Combined PaulW's and Jacob's responses ]] >> >> On Aug 19, 2014, at 2:01 PM, Paul Wouters wrote: >> >>> On Tue, 19 Aug 2014, Paul Hoffman wrote: >>&

Re: [dns-privacy] New draft on encrypting the stub-to-resolver link: draft-hoffman-dns-tls-stub-00.txt

2014-08-20 Thread Paul Hoffman
oyment, us knowing what the actual protocol is would be useful. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] New draft on encrypting the stub-to-resolver link: draft-hoffman-dns-tls-stub-00.txt

2014-08-20 Thread Paul Hoffman
fit here, no? No, not yet. There is even less DNSSEC coverage in the reverse tree than there is for normal names. Updated draft with recent suggestions coming out soon. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

[dns-privacy] draft-hoffman-dns-tls-stub-01 posted

2014-08-20 Thread Paul Hoffman
Thanks for the comments so far, clearly there is more to come. Even if this group doesn't go for this design, I think the discussion will be useful to most of the designs we have seen so far. --Paul Hoffman A new version of I-D, draft-hoffman-dns-tls-stub-01.txt has been successfully subm

[dns-privacy] Authenticating the resolver

2014-08-27 Thread Paul Hoffman
gg problem of secure bootstrapping > from one protocol to the next. It's like one egg that keeps changing > chickens. Please look at the draft again; I don't think it is as bad as you are saying. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] Authenticating the resolver

2014-08-29 Thread Paul Hoffman
On Aug 29, 2014, at 5:30 AM, Wes Hardaker wrote: > Paul Hoffman writes: > >> On Aug 27, 2014, at 12:46 PM, Wes Hardaker wrote: >> >>> But what's the solution? How do we authenticate that resolver? PKIX >>> won't help us, as there is no name.

[dns-privacy] draft-hoffman-dns-tls-stub-02, now with https:

2014-08-30 Thread Paul Hoffman
advantages. I'm interested to hear what people think, hopefully after they have read the draft. --Paul Hoffman Begin forwarded message: > From: internet-dra...@ietf.org > Subject: New Version Notification for draft-hoffman-dns-tls-stub-02.txt > Date: August 30, 2014 at 5:44:42

Re: [dns-privacy] WG Review: DNS PRIVate Exchange (dprive)

2014-10-06 Thread Paul Hoffman
of the operational problems with adding encryption between iterative (recursive) resolvers and authoritative servers that keep being brought up are DoS-by-crypto and establishment of trust. And opt-in, always-oppurtunistic approach could work, although we would then probably have the "you shou

Re: [dns-privacy] WG Review: DNS PRIVate Exchange (dprive)

2014-10-06 Thread Paul Hoffman
On Oct 6, 2014, at 8:52 AM, Stephane Bortzmeyer wrote: > On Mon, Oct 06, 2014 at 08:03:56AM -0700, > Paul Hoffman wrote > a message of 93 lines which said: > >> Two of the operational problems with adding encryption between >> iterative (recursive) resolvers and au

Re: [dns-privacy] WG Review: DNS PRIVate Exchange (dprive)

2014-10-08 Thread Paul Hoffman
can maybe discuss it on this list. Having two parallel discussion would probably be a bad thing. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] WG Review: DNS PRIVate Exchange (dprive)

2014-10-12 Thread Paul Hoffman
r common use cases. This sounds like a good addition. We already have at least three proposals that look similar but have slightly different privacy properties. Having a document that catalogs these (which is different than what is in the problem statement) would be useful for both the WG and th

Re: [dns-privacy] Agenda time.

2014-10-12 Thread Paul Hoffman
On Oct 12, 2014, at 4:04 PM, Mankin, Allison wrote: > I would like to request a 5 minute slot to introduce the idea of a draft on > methods of evaluating DNS privacy. 5 minutes is not enough; it should be more. --Paul Hoffman ___ dns-privacy m

Re: [dns-privacy] DNScurve limits (Was: Agenda time.

2014-10-13 Thread Paul Hoffman
rger cons: * The nameserver has to do a Diffie-Hellman key agreement with every relying party, hugely increasing the CPU load. * The private key must be online all the time. * The private key must be shared by all the nameservers. Remember: DNSSEC is sign-once-and-serve; DNScurve is serv

Re: [dns-privacy] DNScurve limits (Was: Agenda time.

2014-10-13 Thread Paul Hoffman
On Oct 13, 2014, at 8:20 AM, Paul Wouters wrote: > On Mon, 13 Oct 2014, Paul Hoffman wrote: > >> Ummm, aren't we forgetting what is for many the much larger cons: >> >> * The nameserver has to do a Diffie-Hellman key agreement with every relying >> pa

Re: [dns-privacy] Call for Adoption: draft-bortzmeyer-dnsop-dns-privacy

2014-10-17 Thread Paul Hoffman
I support the adoption of this document as a WG item and will review it actively. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] DPRIVE is officially a WG.

2014-10-17 Thread Paul Hoffman
On Oct 17, 2014, at 11:59 AM, Phillip Hallam-Baker wrote: > Won't we need to move to the dpr...@ietf.org list to start the WG discussion? No, the announcement of the WG being formed said that this list is the WG's list. --Paul Hoffman __

Re: [dns-privacy] DPRIVE is officially a WG.

2014-10-18 Thread Paul Hoffman
On Oct 18, 2014, at 8:58 AM, Warren Kumari wrote: > On Fri, Oct 17, 2014 at 5:10 PM, Paul Hoffman wrote: >> On Oct 17, 2014, at 11:59 AM, Phillip Hallam-Baker >> wrote: >> >>> Won't we need to move to the dpr...@ietf.org list to start the WG >>>

Re: [dns-privacy] DNScurve limits (Was: Agenda time.

2014-10-20 Thread Paul Hoffman
he stub-to-resolver > link has already been done. It is called DNScrypt > <http://dnscrypt.org/>. It is actually deployed > <http://www.opendns.com/about/innovations/dnscrypt/> And, after many attempts by people here, it is still undocumented. The is a bit of a protocol desc

Re: [dns-privacy] DNScurve limits (Was: Agenda time.

2014-10-21 Thread Paul Hoffman
> On Oct 21, 2014, at 2:18 AM, Stephane Bortzmeyer wrote: > > On Mon, Oct 20, 2014 at 07:02:01AM -0700, > Paul Hoffman wrote > a message of 23 lines which said: > >> And, after many attempts by people here, it is still >> undocumented. The is a bit of a p

Re: [dns-privacy] The case for both ends of 'end-to-end'

2014-10-22 Thread Paul Hoffman
aks things like passive DNS collection. Passive DNS collection is done at recursive and authoritative servers. How would encryption between the stub and its upstream recursive affect the ability to collect passive DNS data? --Paul Hoffman ___ dns-privacy m

Re: [dns-privacy] The case for both ends of 'end-to-end'

2014-10-22 Thread Paul Hoffman
rative Resolvers and Authoritative Servers, or provide end-to-end confidentiality of DNS transactions. It sounds like you may be concerned about what the WG might do *later*, but brought it up in a way that seemed to be about what we are doing now. --Paul Hoffman __

Re: [dns-privacy] A pool is not an onion

2014-10-26 Thread Paul Hoffman
thwhile problems. Or: because we don't have the same threat model that you are proposing, and we want something deployable. Nothing in the current proposals prevents you from proposing your still-academic PIR proposals for a longer-term solution that applies to people who agree with your thr

Re: [dns-privacy] What about CGA-TSIG as a solution for DNS privacy?

2014-10-27 Thread Paul Hoffman
hink? It is a distraction for this WG and should not be considered. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] What about CGA-TSIG as a solution for DNS privacy?

2014-10-27 Thread Paul Hoffman
On Oct 27, 2014, at 7:36 AM, Hosnieh Rafiee wrote: > So why do you think it is distraction for the WG that addresses privacy? I said I thought it was a distraction; discussing it further would be more of a distraction. --Paul Hoffman ___ dns-priv

Re: [dns-privacy] Verisign patent disclosure

2014-10-28 Thread Paul Hoffman
On Oct 28, 2014, at 4:48 AM, Brian Haberman wrote: > https://datatracker.ietf.org/ipr/2469/ Being picky about something that is important: that is a disclosure of a *patent application*, not a *patent*. --Paul Hoffman ___ dns-privacy mailing list

Re: [dns-privacy] [dprive-problem-statement] Clearly marking privacy considerations?

2014-11-03 Thread Paul Hoffman
e IP addresses, having: > > CONSIDERATION NNN: "exposing source IP addresses of DNS queries raises > privacy risks" > > Advice? My preference is not to have three categories, but just one: problems. Problems are issues, and problems have considerations, but what the WG need

Re: [dns-privacy] Verisign patent disclosure

2014-11-05 Thread Paul Hoffman
I moved the discussion to the dnsop mailing list because it is that WG, not this one, which is discussing the draft-ietf-dnsop-qname-minimisation draft. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman

Re: [dns-privacy] DNS over TLS and framing

2014-11-13 Thread Paul Hoffman
ength at the beginning of each message, as described in Section 4.2.2 of RFC 1035. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] DNS over TLS

2014-11-19 Thread Paul Hoffman
done before the first web page request), the speed of the request is the same for an open TCP connection as it is for a new UDP "connection". --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/li

Re: [dns-privacy] A depraved test

2015-01-12 Thread Paul Hoffman
shows that doesn't work"? --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] Moving things along...

2015-02-18 Thread Paul Hoffman
personally, I think both are less likely to succeed than hzhwm-dprive-start-tls-for-dns. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] Review of dprive-problem-statement-01

2015-02-19 Thread Paul Hoffman
for it: RFC 4357 has normative references to documents only in Russian. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] Moving things along...

2015-02-26 Thread Paul Hoffman
On Feb 25, 2015, at 4:11 PM, Warren Kumari wrote: > Are you interested on working on CGA-TSIGe and would you like to > devote some (10 minutes) of the meeting time in Dallas to a > presentation / discussion on CGA-TSIGe? No. ___ dns-privacy mailing lis

Re: [dns-privacy] (re-)identifying from sets of queries (was Re: Start of WGLC for draft-ietf-dprive-problem-statement - please review.)

2015-02-27 Thread Paul Hoffman
thanks for the text. Any advice from the WG? (I don't want > to make important changes in the middle of a WGLC if there is no > consensus.) Yep, looks a good addition. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] Devote time to draft-rafiee-intarea-cga-tsig? (Was: Moving things along...

2015-02-27 Thread Paul Hoffman
to typical readers. I'm happy to read the Introduction section of further revisions and, if one eventually is clear, to comment then. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] tcpinc ?

2015-03-02 Thread Paul Hoffman
en the stub resolver *would* know and could make choices based on that. >From the stub resolver's point of view, TCPINC is no different than running >over an IPsec tunnel. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] Start of WGLC for draft-ietf-dprive-problem-statement - please review.

2015-03-03 Thread Paul Hoffman
to conceal aspects of ourselves from others. Doing something > offensive or shameful are good reasons to do so. +1 on removing "illegal", since that changes with location. Maybe change the sentence to "...is the domain name of a controversial organization that...". --Paul H

Re: [dns-privacy] Start of WGLC for draft-ietf-dprive-problem-statement - please review.

2015-03-04 Thread Paul Hoffman
tly the picture. WG > advice? Please make Matthijs' change so that it is clear from the very beginning that things in the cache are not affected by this work. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

[dns-privacy] draft-wijngaards-dnsop-confidentialdns and DDoS

2015-03-13 Thread Paul Hoffman
been developed for secure web servers comes to secure DNS servers for free. --Paul Hoffman ___ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy

Re: [dns-privacy] draft-wijngaards-dnsop-confidentialdns and DDoS

2015-03-19 Thread Paul Hoffman
On Mar 19, 2015, at 8:49 AM, W.C.A. Wijngaards wrote: > On 14/03/15 01:19, Paul Hoffman wrote: > > Greetings again. I mentioned this to Wouters a while ago, before > > the DPRIVE WG started, but it is worth bringing up here if the WG > > is considering this for

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