[DNSOP] Insecure delegations from 239.in-addr.arpa needed? [was: draft-ietf-dnsop-rfc6598-rfc6303-01]

2014-08-20 Thread Chris Thompson
On Aug 15 2014, Mark Andrews wrote: [...] The last delegation in the current chain is a secure delegation from IN-ADDR.ARPA to 100.IN-ADDR.ARPA so there is a problem currently. No one can safely setup their own reverse zones validation is now starting to be done in stub resolvers and to do so

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Chris Thompson
On Aug 14 2014, Joe Abley wrote: [...] It seems to me that no delegation is a perfectly reasonable steady state, It fails to break the chain of trust. Because a validator can prove that the names in the putative subzone do not exist, it will consider locally defined content bogus. The only

[DNSOP] New draft on representing DNS messages in JSON

2014-08-20 Thread Paul Hoffman
Greetings again. I have a need for expressing DNS messages in JSON for an application I have written. Stephane and I had started to work on this but ended up dropping it. draft-dulaunoy-kaplan-passive-dns-cof comes at the same problem from another direction, but it is specific for one problem

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Joe Abley
Hi Chris, I went quiet on this thread because I was going to try this out in a lab before commenting further, but since I haven't done that and you had something to say... On 20 Aug 2014, at 12:50, Chris Thompson c...@cam.ac.uk wrote: On Aug 14 2014, Joe Abley wrote: [...] It seems to me

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Mark Andrews
In message 19ae3cb3-b108-42cb-bae2-a2f1fbb55...@hopcount.ca, Joe Abley writes : Hi Chris, I went quiet on this thread because I was going to try this out in a lab before commenting further, but since I haven't done that and you had something to say... On 20 Aug 2014, at 12:50, Chris

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Joe Abley
On 20 Aug 2014, at 17:48, Mark Andrews ma...@isc.org wrote: You will give answers that validate as bogus in the stub resolver. This seems to be the crux of our differing world views. A validating stub resolver Validating stub resolvers? In my own personal taxonomy a stub resolver doesn't

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Mark Andrews
In message e4ad7d21-995c-46b1-813e-70ca0919f...@hopcount.ca, Joe Abley writes : On 20 Aug 2014, at 17:48, Mark Andrews ma...@isc.org wrote: You will give answers that validate as bogus in the stub resolver. This seems to be the crux of our differing world views. A validating stub

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Mark Andrews
In message 20140820235118.e952b1d1b...@rock.dv.isc.org, Mark Andrews writes: In message e4ad7d21-995c-46b1-813e-70ca0919f...@hopcount.ca, Joe Abley writ es : On 20 Aug 2014, at 17:48, Mark Andrews ma...@isc.org wrote: You will give answers that validate as bogus in the stub

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Ted Lemon
On Aug 20, 2014, at 9:21 PM, Andrew Sullivan a...@anvilwalrusden.com wrote: On Thu, Aug 21, 2014 at 10:52:46AM +1000, Mark Andrews wrote: It was also a required step as you can't reliably validate in the client unless the recursive server has filtered out the spoofed answers. If I

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Mark Andrews
In message 20140821012100.gc2...@mx1.yitter.info, Andrew Sullivan writes: On Thu, Aug 21, 2014 at 10:52:46AM +1000, Mark Andrews wrote: It was also a required step as you can't reliably validate in the client unless the recursive server has filtered out the spoofed answers. If I

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Mark Andrews
In message 54885a5d-2afa-4d37-9b83-2229082d7...@virtualized.org, David Conrad writes: Hi, On Aug 20, 2014, at 6:21 PM, Andrew Sullivan a...@anvilwalrusden.com wrote: On Thu, Aug 21, 2014 at 10:52:46AM +1000, Mark Andrews wrote: It was also a required step as you can't reliably

Re: [DNSOP] draft-ietf-dnsop-rfc6598-rfc6303-01

2014-08-20 Thread Evan Hunt
On Thu, Aug 21, 2014 at 12:17:25PM +1000, Mark Andrews wrote: If they fail it can fallback to making iterative queries or just accept the failure. I'd quibble with this bit: if it can make iterative queries, then we might as well just call it a validating resolver. IMHO the thing we're

Re: [DNSOP] Insecure delegations from 239.in-addr.arpa needed? [was: draft-ietf-dnsop-rfc6598-rfc6303-01]

2014-08-20 Thread Mark Andrews
In message prayer.1.3.5.1408201724000.12...@hermes-1.csi.cam.ac.uk, Chris Thompson w rites: On Aug 15 2014, Mark Andrews wrote: [...] The last delegation in the current chain is a secure delegation from IN-ADDR.ARPA to 100.IN-ADDR.ARPA so there is a problem currently. No one can safely