Re: DNSSEC is NOT secure end to end

2009-06-03 Thread Masataka Ohta
Christian Huitema wrote: > NAT routers come to mind. DNSSEC > is immune to such attacks, a big advantage in practice. I'm afraid DNSSEC and some NAT interact terribly. > Also, it is actually possible to improve on DNSSEC by introducing > additional knowledge. If two domains have an establish re

Re: DNSSEC is NOT secure end to end

2009-06-03 Thread Bill Manning
On Tue, Jun 02, 2009 at 10:38:28PM +0900, Masataka Ohta wrote: > Christian Huitema wrote: > > >>That is, security of DNSSEC involves third parties and is not end > >>to end. > > > That is indeed correct. An attacker can build a fake hierarchy of > > "secure DNS" assertions and try to get it accep

Re: Last Call: draft-ietf-enum-enumservices-guide (IANA Registration of Enumservices: Guide, Template and IANA Considerations) to Proposed Standard

2009-06-03 Thread Pekka Savola
On Tue, 26 May 2009, The IESG wrote: - 'IANA Registration of Enumservices: Guide, Template and IANA Considerations ' as a Proposed Standard This is an ops-dir review. I'm only superficially familiar with ENUM, so take the comments with a grain of salt. I did not see major issues with t

Re: Last Call: draft-ietf-opsawg-operations-and-management (Guidelines for Considering Operations and Management of New Protocols and Protocol Extensions) to BCP

2009-06-03 Thread Sam Hartman
I was assigned this document as a secdir review. I'm not sure I have any comments in that capacity. However, I do have significant comments on the last call of this document. I appreciate the work that has gone into this document. People have worked hard to find examples, cases and even pithy sa

Gen-ART review of draft-ietf-geopriv-lbyr-requirements-07

2009-06-03 Thread Spencer Dawkins
I have been selected as the General Area Review Team (Gen-ART) reviewer for this draft (for background on Gen-ART, please see http://www.alvestrand.no/ietf/gen/art/gen-art-FAQ.html). Please resolve these comments along with any other Last Call comments you may receive. Document: draft-ietf-geopri

DNS Additional Section Processing Globally Wrong

2009-06-03 Thread Sabahattin Gucukoglu
... it's that, or my reading of RFC 2181 has gone horribly wrong. The problem is this: the authoritative servers for a domain can easily never be consulted for DNS data if the resource being looked up happens to be available at the parent zone. That is, bigbox.example.net's address and the

Re: DNS Additional Section Processing Globally Wrong

2009-06-03 Thread Mark Andrews
In message , Sab ahattin Gucukoglu writes: > ... it's that, or my reading of RFC 2181 has gone horribly wrong. > > The problem is this: the authoritative servers for a domain can easily > never be consulted for DNS data if the resource being looked up > happens to be available at the parent z

Re: DNSSEC is NOT secure end to end

2009-06-03 Thread Masataka Ohta
Bill Manning wrote: > i think the distinction here might be characterised by > the use of terms: > > -channel security Don't try to confuse the terminology. With the terminology of "channel", the paper addresses the issue that security by channels between zones or zone admini

Re: DNS Additional Section Processing Globally Wrong

2009-06-03 Thread Sabahattin Gucukoglu
On 4 Jun 2009, at 04:06, Mark Andrews wrote: In message >, Sabahattin Gucukoglu writes: The problem is this: the authoritative servers for a domain can easily never be consulted for DNS data if the resource being looked up happens to be available at the parent zone. That is, bigbox.example.net

Re: Last Call: draft-ietf-opsawg-operations-and-management (Guidelines for Considering Operations and Management of New Protocols and Protocol Extensions) to BCP

2009-06-03 Thread Eliot Lear
Sam, Thanks for posting your review. It caused me to have a look at the document, because I've been considering writing something of a missive on my own. I have to say that I enjoyed reading this draft up to about Section 3, and then I came to some problems. I'll spell those out in a separ

Re: Last Call: draft-ietf-opsawg-operations-and-management (Guidelines for Considering Operations and Management of New Protocols and Protocol Extensions) to BCP

2009-06-03 Thread SM
At 12:22 03-06-2009, Sam Hartman wrote: I appreciate the work that has gone into this document. People have worked hard to find examples, cases and even pithy sayings/architectural principles from many areas of the IETF. The document tries to be broad and to look at a lot of options. I think t

Re: Last Call: draft-ietf-enum-enumservices-guide (IANA Registration of Enumservices: Guide, Template and IANA Considerations) to Proposed Standard

2009-06-03 Thread SM
Hello, Section 7.1 of draft-ietf-enum-3761bis-04 is about DNS Security. One sentence caught my attention: "Because of these threats, a deployed ENUM service SHOULD include mechanisms to ameliorate these threats." My reading of that is that a deployed ENUM service should include mechani