Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Steve Schultze
On 2/10/11 8:09 PM, Eddy Nigg wrote: There are additional steps CAs can/should/do besides checking domain control - even in the DV settings. Ok, so the theory here is that some DV CAs do some stuff above and beyond baseline domain validation. We don't really know who is doing how much of thi

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Eddy Nigg
On 02/11/2011 01:33 AM, From Stephen Schultze: You cut off the end of the sentence, which made clear that I was referring to how the *trust* of the CA model relies on blind trust of the data in DNS. Any fundamental trust model shortcoming of DNS is likewise a shortcoming of CA DV. You've neve

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Stephen Schultze
On 2/10/11 5:36 PM, Eddy Nigg wrote: On 02/10/2011 10:40 PM, From Stephen Schultze: Until you actually explain why you think it's not correct that DV relies on DNS, I didn't say DV doesn't rely on DNS, almost everything on the [net] uses it. Of course, but the fact that apps use DNS irreleva

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Eddy Nigg
On 02/11/2011 12:36 AM, From Eddy Nigg: I didn't say DV doesn't rely on DNS, almost everything on the *NET* uses DNS. Corrected. -- Regards Signer: Eddy Nigg, StartCom Ltd. XMPP:start...@startcom.org Blog:http://blog.startcom.org/ Twitter: http://twitter.com/eddy_nigg -- dev-tec

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Eddy Nigg
On 02/10/2011 10:40 PM, From Stephen Schultze: Until you actually explain why you think it's not correct that DV relies on DNS, I didn't say DV doesn't rely on DNS, almost everything on the DNS uses it. or what beyond domain validation that you think DV actually does, there's really nothing t

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Stephen Schultze
On 2/10/11 3:33 PM, Eddy Nigg wrote: On 02/10/2011 08:51 PM, From Stephen Schultze: As I have said repeatedly (and you have never addressed) the CA DV model relies on DNS and thus imports any vulnerabilities that exist in a DNS-based model. CA DV blindly trusts DNS. That's exactly your mistak

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Eddy Nigg
On 02/10/2011 08:51 PM, From Stephen Schultze: As I have said repeatedly (and you have never addressed) the CA DV model relies on DNS and thus imports any vulnerabilities that exist in a DNS-based model. CA DV blindly trusts DNS. That's exactly your mistake, you are not correct. The only t

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Stephen Schultze
On 2/10/11 1:25 PM, Eddy Nigg wrote: On 02/10/2011 07:20 PM, From Steve Schultze: Zack, arguing with Eddy on this point is a losing proposition. DNSSEC+TLSA is has some demonstrably superior characteristics to CA DV, but Eddy is not willing to concede this or even give detailed reasoning. Well

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Eddy Nigg
On 02/10/2011 07:20 PM, From Steve Schultze: Zack, arguing with Eddy on this point is a losing proposition. DNSSEC+TLSA is has some demonstrably superior characteristics to CA DV, but Eddy is not willing to concede this or even give detailed reasoning. Well, we know about the advantages and s

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Steve Schultze
On 2/7/11 6:31 PM, Robert Relyea wrote: My primary worry of the this spec as is is that DNSSEC is trying to be the end-all-be-all authority. That's a recipe for disaster. Keeping all my server keys in sync with the DNSSEC record? And if I have OV/EV, I have to keep it in sync with the certificate

Re: TLS server keys in DNS: client policy proposal

2011-02-10 Thread Steve Schultze
On 2/6/11 1:01 PM, Eddy Nigg wrote: On 02/06/2011 07:11 PM, From Zack Weinberg: I'm going to ask you the same question I asked Nelson: In a hypothetical world where DNSSEC+TLSA completely supersedes DV (but people still use OV/EV for high-value sites) what do you see as having been lost? Or, tur