Re: OpenID Email Discovery

2008-01-04 Thread Trevor Johns
On Jan 4, 2008, at 12:45 AM, Artur Bergman wrote: On Jan 4, 2008, at 7:28 AM, Trevor Johns wrote: 6. I can't see how this can be used securely. DNS is highly vulnerable to attack. Which is why the internet isn't working at all. Ever, Never! Hey, that's not fair! DNS is well designed

Re: OpenID Email Discovery

2008-01-04 Thread Artur Bergman
On Jan 4, 2008, at 12:07 PM, Trevor Johns wrote: On Jan 4, 2008, at 1:59 AM, Artur Bergman wrote: Fair or not, I am tired of hearing how un-secure DNS, when everything we do is based on it, and it being the worlds largest working distributed database. There's a difference between

Re: OpenID Email Discovery

2008-01-04 Thread Artur Bergman
On Jan 4, 2008, at 10:16 AM, Trevor Johns wrote: On Jan 4, 2008, at 12:45 AM, Artur Bergman wrote: On Jan 4, 2008, at 7:28 AM, Trevor Johns wrote: 6. I can't see how this can be used securely. DNS is highly vulnerable to attack. Which is why the internet isn't working at all. Ever,

Re: OpenID Email Discovery

2008-01-04 Thread Trevor Johns
On Jan 4, 2008, at 1:59 AM, Artur Bergman wrote: Fair or not, I am tired of hearing how un-secure DNS, when everything we do is based on it, and it being the worlds largest working distributed database. There's a difference between working and secure. For example, email works great but

Re: OpenID Email Discovery

2008-01-04 Thread Peter Davis
On Jan 3, 2008, at 6:03 PM, Hallam-Baker, Phillip wrote: NAPTR is an ietf proposed standard but there is no deployed base. well, there certainly are deployed bases where i sit, since we have DNS zones in operation with well over 40M entries... most of which are NAPTR RR's, and many, many

RE: OpenID Email Discovery

2008-01-04 Thread Hallam-Baker, Phillip
This thread is dipping into a proposal I recently made at the IETF bar-BOF on leveraged authentication. I also make the same set of points in my book, The dotCrime Manifesto: How to Stop Internet Crime, which is officially to be published on Monday but is actually shipping from Amazon from

Re: OpenID Email Discovery

2008-01-04 Thread Trevor Johns
On Jan 4, 2008, at 3:14 AM, Artur Bergman wrote: You can always go out and use DNSSEC. That would certainly be a solution. However, isn't DNSSEC not yet widely deployed? Isn't this just a lookup of email address - openid/url that is then handled as a normal openid login? I'm not sure I

RE: OpenID Email Discovery

2008-01-04 Thread Gabe Wachob
I'm sorry, Phillip, we're not going to let you get away with that one. Drummond already asked you about what you are talking about w/r/t IPR commitments, and I haven't seen a reply. All IPR commitments for XRI are in place and have been for quite a while. I encourage you to review the RF on

Re: OpenID Email Discovery

2008-01-04 Thread Artur Bergman
On Jan 4, 2008, at 6:29 PM, Trevor Johns wrote: You can always go out and use DNSSEC. That would certainly be a solution. However, isn't DNSSEC not yet widely deployed? bingo, the world hasn't seen the need for it Isn't this just a lookup of email address - openid/url that is then

RE: OpenID Email Discovery

2008-01-04 Thread Hallam-Baker, Phillip
On the contrary, you require the SSL certificate to match the domain of the identifier being authenticated and the problem is solved. Alternatively you use a scheme such as SAML to perform the authentication which would provide more flexibility than a transport layer security model. One reason

RE: OpenID Email Discovery

2008-01-04 Thread Hallam-Baker, Phillip
You can use domain validated SSL certificates or DNSSEC here. Either is sufficient. There is no technology gap here. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Artur Bergman Sent: Friday, January 04, 2008 6:14 AM To: Trevor Johns Cc: