Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-25 Thread Doug Barton
On 10/25/2011 10:20, Ted Lemon wrote: > > > On Oct 24, 2011, at 5:30 PM, "Doug Barton" > wrote: > >>> I think there's a need for IETF to document why any other value >>> than 1 is a Bad Idea, and more to the point, why it will break >>> things.The problem isn't entirely specific to hosts wi

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-25 Thread Ted Lemon
On Oct 24, 2011, at 5:30 PM, "Doug Barton" wrote: >> I think there's a need for IETF to document why any other value than 1 is a >> Bad Idea, and more to the point, why it will break things.The problem >> isn't entirely specific to hosts with multiple interfaces. But given that >> using

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Mark Andrews
In message , Lawrence Con roy writes: > Hi there Doug, Keith, folks, > Speaking of broken mechanisms ... how many dots? > arstechnica.com is OK > co.uk is not OK > > ndots strikes me as a chocolate soldier in the fire used to warm the > chocolate teapot that is search lists. > > At best

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Lawrence Conroy
Hi there Doug, Keith, folks, Speaking of broken mechanisms ... how many dots? arstechnica.com is OK co.uk is not OK ndots strikes me as a chocolate soldier in the fire used to warm the chocolate teapot that is search lists. At best these are context dependent (and keep IT support in busin

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Doug Barton
On 10/24/2011 13:58, Keith Moore wrote: > > On Oct 24, 2011, at 4:52 PM, Doug Barton wrote: > >> On 10/24/2011 05:16, Keith Moore wrote: >>> That's the point - search lists are not appropriate most of the time, and >>> it's very hard for software to distinguish the cases where they are >>> pote

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Doug Barton
On 10/24/2011 05:16, Keith Moore wrote: > That's the point - search lists are not appropriate most of the time, and > it's very hard for software to distinguish the cases where they are > potentially appropriate from the cases when they're not, and it's not > possible for software to do this in

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Keith Moore
On Oct 24, 2011, at 4:52 PM, Doug Barton wrote: > On 10/24/2011 05:16, Keith Moore wrote: >> That's the point - search lists are not appropriate most of the time, and >> it's very hard for software to distinguish the cases where they are >> potentially appropriate from the cases when they're no

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Keith Moore
On Oct 24, 2011, at 7:55 AM, Alex Bligh wrote: > > > --On 24 October 2011 07:29:55 -0400 Keith Moore > wrote: > > I'm just pointing out that for the vast majority of the contexts in which domain names are used, the expectation is that a domain name that contains a "." is full

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Alex Bligh
--On 24 October 2011 07:29:55 -0400 Keith Moore wrote: I'm just pointing out that for the vast majority of the contexts in which domain names are used, the expectation is that a domain name that contains a "." is fully-qualified. This is sampling bias. No, I don't think so. The vast m

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Keith Moore
On Oct 24, 2011, at 7:19 AM, Alex Bligh wrote: > --On 24 October 2011 06:53:05 -0400 Keith Moore > wrote: > >> I'm just pointing out that for the vast majority of the contexts in which >> domain names are used, the expectation is that a domain name that >> contains a "." is fully-qualified. >

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Alex Bligh
--On 22 October 2011 19:41:58 + Ted Lemon wrote: Yes. But if a bare name is used, a bogus search list can also bypass DNSSEC validation. For the hard of understanding, please could you expand on this? Doesn't the client know the full name being looked up, even with a search list? --

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Alex Bligh
--On 24 October 2011 06:53:05 -0400 Keith Moore wrote: I'm just pointing out that for the vast majority of the contexts in which domain names are used, the expectation is that a domain name that contains a "." is fully-qualified. This is sampling bias. In the vast majority of contexts wh

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-24 Thread Keith Moore
On Oct 24, 2011, at 2:08 AM, sth...@nethelp.no wrote: >>> I can't agree with this statement. As others have said, the practice of >>> using a search list to allow 'ssh foo.bar' to reach 'foo.bar.example.com' >>> isn't going anywhere, and there are a lot of people that make extensive use >>> o

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-23 Thread sthaug
> > I can't agree with this statement. As others have said, the practice of > > using a search list to allow 'ssh foo.bar' to reach 'foo.bar.example.com' > > isn't going anywhere, and there are a lot of people that make extensive use > > of the convenience. > > It needs to die because it's fun

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-23 Thread Keith Moore
On Oct 23, 2011, at 2:39 AM, Matthew Pounsett wrote: > > On 2011/10/22, at 15:21, Keith Moore wrote: > >> >> On Oct 22, 2011, at 2:42 PM, Doug Barton wrote: >> >>> 1. I think we're all in agreement that dot-terminated names (e.g., >>> example.) should not be subject to search lists. I persona

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-23 Thread Mark Andrews
In message <96472fb7-8425-4928-8f55-2abf2cb59...@conundrum.com>, Matthew Pounse tt writes: > > On 2011/10/22, at 15:21, Keith Moore wrote: > > > > > On Oct 22, 2011, at 2:42 PM, Doug Barton wrote: > > > >> 1. I think we're all in agreement that dot-terminated names (e.g., > >> example.) should

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-23 Thread Ted Lemon
On Oct 23, 2011, at 2:39 AM, Matthew Pounsett wrote: I think we need to accept that this practice is here to stay, and figure out how to deal with it on those terms. There is no secure way to do search lists in a MIF environment. Or, really, even in a SIF environment. So saying "we just have

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-22 Thread Matthew Pounsett
On 2011/10/22, at 15:21, Keith Moore wrote: > > On Oct 22, 2011, at 2:42 PM, Doug Barton wrote: > >> 1. I think we're all in agreement that dot-terminated names (e.g., >> example.) should not be subject to search lists. I personally don't have >> any problems with any document mentioning that t

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-22 Thread Ted Lemon
On Oct 21, 2011, at 11:31 AM, Keith Moore wrote: True. But unsecured DNS is easily exploited regardless of whether bare names are used. (and I've never bought the idea that DNSSEC verification can reasonably be done by an external host) Yes. But if a bare name is used, a bogus search list ca

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-22 Thread Keith Moore
On Oct 22, 2011, at 2:42 PM, Doug Barton wrote: > On 10/21/2011 08:13, Keith Moore wrote: >> Names containing "." should not be subject to search lists. Given a >> name like foo.bar, there's no reliable way to tell whether "bar" is a >> TLD or a subdomain of something in the search list. > > I

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-22 Thread Doug Barton
On 10/21/2011 08:13, Keith Moore wrote: > Names containing "." should not be subject to search lists. Given a > name like foo.bar, there's no reliable way to tell whether "bar" is a > TLD or a subdomain of something in the search list. I've been following this discussion, mostly in the hopes tha

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread Keith Moore
On Oct 21, 2011, at 11:19 AM, Ted Lemon wrote: > On Oct 21, 2011, at 11:13 AM, Keith Moore wrote: >> IMO: search lists are useful, but only with "bare names" - and the behavior >> of those should be implementation dependent. Trying to nail it down will >> break too much widespread practice. >

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread Keith Moore
On Oct 21, 2011, at 11:11 AM, Ted Lemon wrote: > On Oct 21, 2011, at 10:04 AM, Keith Moore wrote: >> And honestly I don't see why handling of non-DNS names like "foo" is in >> scope for MIF. > > Because such names are typically resolved using DNS search lists, and at > lease one mechanism f

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread Ted Lemon
On Oct 21, 2011, at 11:13 AM, Keith Moore wrote: IMO: search lists are useful, but only with "bare names" - and the behavior of those should be implementation dependent. Trying to nail it down will break too much widespread practice. On a desktop workstation they are useful, because you can lar

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread Keith Moore
On Oct 21, 2011, at 11:07 AM, Ted Lemon wrote: > On Oct 21, 2011, at 3:15 AM, > wrote: >> There could perhaps be another draft, which would say that if name is "foo" >> it should not be appended with search lists but "foo." might? And whatever >> other differences in their handling would be, an

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread Ted Lemon
On Oct 21, 2011, at 10:04 AM, Keith Moore wrote: And honestly I don't see why handling of non-DNS names like "foo" is in scope for MIF. Because such names are typically resolved using DNS search lists, and at lease one mechanism for setting up search lists is interface-specific. ___

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread Ted Lemon
On Oct 21, 2011, at 3:15 AM, mailto:teemu.savolai...@nokia.com>> mailto:teemu.savolai...@nokia.com>> wrote: There could perhaps be another draft, which would say that if name is "foo" it should not be appended with search lists but "foo." might? And whatever other differences in their handling wo

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread Keith Moore
On Oct 21, 2011, at 3:15 AM, wrote: > Brian, > > Do you agree that nodes' behavioral differences between "foo" and "foo." > names is out of the scope of this particular MIF draft? That's not how I would state it. I think handling of "foo." is something that IETF can define, but handling of

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread Mark Andrews
In message , Brian Dickson writes: > I think we can skirt this rat-hole if we separate the two following > distinct cases: > > Case A: "foo" > Case B: "foo." (with terminating "dot"). > > Case B meets the technical requirements of a Fully Qualified Domain > Name, structurally speaking. > Case A

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread Brian Dickson
I think we can skirt this rat-hole if we separate the two following distinct cases: Case A: "foo" Case B: "foo." (with terminating "dot"). Case B meets the technical requirements of a Fully Qualified Domain Name, structurally speaking. Case A does not. Case A is a "bare name", case B is not. If

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread teemu.savolainen
(resending only to mailing list recipients) Brian, Do you agree that nodes' behavioral differences between "foo" and "foo." names is out of the scope of this particular MIF draft? There could perhaps be another draft, which would say that if name is "foo" it should not be appended with search li

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-21 Thread teemu.savolainen
Brian, Do you agree that nodes' behavioral differences between "foo" and "foo." names is out of the scope of this particular MIF draft? There could perhaps be another draft, which would say that if name is "foo" it should not be appended with search lists but "foo." might? And whatever other diff

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-20 Thread Mark Andrews
In message <94c2e518-f34f-49e4-b15c-2cccfaa96...@virtualized.org>, David Conrad writes: > On Oct 20, 2011, at 6:07 PM, Keith Moore wrote: > > It might that IETF should consider "bare names" out of its scope, except pe > rhaps to say that they're not DNS names, they don't have to necessarily be ma

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-20 Thread Keith Moore
On Oct 20, 2011, at 9:19 PM, David Conrad wrote: > On Oct 20, 2011, at 6:07 PM, Keith Moore wrote: >> It might that IETF should consider "bare names" out of its scope, except >> perhaps to say that they're not DNS names, they don't have to necessarily be >> mappable to DNS names, and that their

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-20 Thread David Conrad
On Oct 20, 2011, at 6:07 PM, Keith Moore wrote: > It might that IETF should consider "bare names" out of its scope, except > perhaps to say that they're not DNS names, they don't have to necessarily be > mappable to DNS names, and that their use and behavior is host and > application-dependent.

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-20 Thread teemu.savolainen
Hi Ray, > -Original Message- > From: ext Ray Bellis [mailto:ray.bel...@nominet.org.uk] > Sent: 19. lokakuuta 2011 13:40 > To: Savolainen Teemu (Nokia-CTO/Tampere) > Cc: ; ; ; > ; ; ; > > Subject: Re: [dnsext] [mif] 2nd Last Call for MIF DNS server selection > document > > I have concerns

Re: [DNSOP] [dnsext] [mif] 2nd Last Call for MIF DNS server selection document

2011-10-19 Thread Ray Bellis
On 19 Oct 2011, at 07:42, wrote: > Hi all, > > This second WGLC resulted in very few comments. In the DHC WG we discussed > about DHCPv4 option structure and in MIF there was a comment about > document-internal reference bug. > > I have now uploaded a version six that contains: > -