Re: [DNSOP] on "Negative Trust Anchors"

2012-04-14 Thread Patrik Fältström
On 15 apr 2012, at 03:23, Warren Kumari wrote: > Once most ISPs are performing validation there should be fewer screwups, and > NTAs should be almost never needed -- but until we get to that point I think > that they are needed, and the net security wins outweigh the costs… ...and my point is t

Re: [DNSOP] on "Negative Trust Anchors"

2012-04-14 Thread Warren Kumari
On Apr 13, 2012, at 6:02 PM, Patrik Fältström wrote: > > On 13 apr 2012, at 23:43, Nicholas Weaver wrote: > >> Likewise, comcast being blamed for... > > Because (1) they seem to be the only large resolver operator that do > validation(?) and (2) people like us on this list try to work out end

Re: [DNSOP] on "Negative Trust Anchors"

2012-04-14 Thread Paul Vixie
On 2012-04-14 1:51 AM, Doug Barton wrote: > ... The problem, and I cannot emphasize this highly enough, is that > there is absolutely no way for an ISP (or other end-user site doing > recursion/validation) to determine conclusively that the failure they > are seeing is due to a harmless stuff-up, v

Re: [DNSOP] on "Negative Trust Anchors"

2012-04-14 Thread Jaap Akkerhuis
On Apr 13, 2012, at 3:30 PM, Jaap Akkerhuis wrote: >> More pragmatically, while I understand the theory behind rejecting NTAs, >> I have to admit it feels a bit like the IETF rejecting NATs and/or DNS >> redirection. I would be surprised if folks who implement NTAs will stop >>