Re: [dane] Deferral of SMIME draft

2015-07-02 Thread Viktor Dukhovni
On Thu, Jul 02, 2015 at 11:02:17AM +0200, Carsten Strotmann wrote: Would it be possible to at least update the SMIME draft with the latest changes on OPENPGPKEY, and get a DNS type code for SMIMEA records from IANA, before sending the draft to sleep? I don't think that's a good plan. Once

[dane] DANE and IPsec

2015-07-02 Thread Yoav Nir
Hi I see that our milestones still contain a DANE with IPsec document, although the WG has not yet discussed or adopted such a document. There is one proposed document (draft-osterweil-dane-ipsec). That one ties DANE to opportunistic encryption. While interesting, I think we need a far more

Re: [dane] Deferral of SMIME draft

2015-07-02 Thread Viktor Dukhovni
On Thu, Jul 02, 2015 at 10:34:02AM -0400, Paul Wouters wrote: On Thu, 2 Jul 2015, Viktor Dukhovni wrote: So for me, the main obstacle is still the owner-label, which is the same for both OPENPGP and SMIMEA. No one has given me feedback (positive or negative) on the lowercase if ascii,

Re: [dane] ANN: smilla - SMIMEA aware Milter

2015-07-02 Thread Christian Rößner
Am 02.07.2015 um 17:17 schrieb Patrick Ben Koetter p...@sys4.de: We've just released smilla, a SMIMEA aware milter. smilla implements draft-ietf-dane-smime as specified by the IETF DANE WG. The program has been written in Python. It has been in production since April 2015 at some ISPs

Re: [dane] DANE and IPsec

2015-07-02 Thread Paul Wouters
On Thu, 2 Jul 2015, Viktor Dukhovni wrote: The IPsec entity will resolve this FQDN with DNSSEC, yielding both an IP address and a DANE record. The DANE record can be used to identify the certificate or raw public key used in IKE. What prevents IP address hijacking (mallory.example publishes

Re: [dane] Deferral of SMIME draft

2015-07-02 Thread Peter Saint-Andre - yet
On 7/2/15 8:34 AM, Paul Wouters wrote: On Thu, 2 Jul 2015, Viktor Dukhovni wrote: So for me, the main obstacle is still the owner-label, which is the same for both OPENPGP and SMIMEA. No one has given me feedback (positive or negative) on the lowercase if ascii, normalise otherwise, then

[dane] ANN: smilla - SMIMEA aware Milter

2015-07-02 Thread Patrick Ben Koetter
We've just released smilla, a SMIMEA aware milter. smilla implements draft-ietf-dane-smime as specified by the IETF DANE WG. The program has been written in Python. It has been in production since April 2015 at some ISPs and is considered stable. At the moment it uses a generic DNS RR. This will

Re: [dane] DANE and IPsec

2015-07-02 Thread Viktor Dukhovni
On Thu, Jul 02, 2015 at 06:40:45PM +0300, Yoav Nir wrote: What prevents IP address hijacking (mallory.example publishes alice.example's IP address and now mallory's IPSEC keys are used to encrypt traffic to alice)? Not sure I follow. Mallory publishes - mallory.example.com IN A

Re: [dane] DANE and IPsec

2015-07-02 Thread Yoav Nir
On Jul 2, 2015, at 6:03 PM, Viktor Dukhovni ietf-d...@dukhovni.org wrote: On Thu, Jul 02, 2015 at 05:13:01PM +0300, Yoav Nir wrote: The IPsec entity will resolve this FQDN with DNSSEC, yielding both an IP address and a DANE record. The DANE record can be used to identify the certificate

Re: [dane] DANE and IPsec

2015-07-02 Thread Yoav Nir
On Jul 2, 2015, at 6:48 PM, Viktor Dukhovni ietf-d...@dukhovni.org wrote: On Thu, Jul 02, 2015 at 06:40:45PM +0300, Yoav Nir wrote: What prevents IP address hijacking (mallory.example publishes alice.example's IP address and now mallory's IPSEC keys are used to encrypt traffic to alice)?

Re: [dane] DANE and IPsec

2015-07-02 Thread Yoav Nir
On Jul 2, 2015, at 8:08 PM, Viktor Dukhovni ietf-d...@dukhovni.org wrote: On Thu, Jul 02, 2015 at 08:04:37PM +0300, Yoav Nir wrote: Not sure I follow. Mallory publishes - mallory.example.com IN A 192.0.2.5 - mallory.example.com IN TLSA Mallory publishes her own TLSA record for

Re: [dane] Deferral of SMIME draft

2015-07-02 Thread Wil Tan
On Fri, Jul 3, 2015 at 1:47 AM, Peter Saint-Andre - yet pe...@andyet.net wrote: On 7/2/15 8:34 AM, Paul Wouters wrote: On Thu, 2 Jul 2015, Viktor Dukhovni wrote: So for me, the main obstacle is still the owner-label, which is the same for both OPENPGP and SMIMEA. No one has given me

Re: [dane] DANE and IPsec

2015-07-02 Thread Viktor Dukhovni
On Thu, Jul 02, 2015 at 09:02:03PM +0300, Yoav Nir wrote: Alice's keys are ignored once Mallory's PAD entry for 192.0.2.5 supercedes or displaces Alices. Ah, I see the source of my confusion. I never think of a PAD as a table indexed by IP address. The key for the PAD is a peer, so

Re: [dane] DANE and IPsec

2015-07-02 Thread Viktor Dukhovni
On Thu, Jul 02, 2015 at 10:09:46PM +0300, Yoav Nir wrote: At the end of the day though, IPSEC needs to apply policy to application traffic presented to the kernel (almost universally) via the socket API. The socket API gives the kernel a transport endpoint UDP/192.0.2.5/53, how is the

Re: [dane] DANE and IPsec

2015-07-02 Thread Yoav Nir
On Jul 3, 2015, at 12:28 AM, Viktor Dukhovni ietf-d...@dukhovni.org wrote: On Thu, Jul 02, 2015 at 11:29:45PM +0300, Yoav Nir wrote: The hard part is the transport-mode use-case. If the SPD entries are specific and pre-configured, the same reasoning as for VPNs applies. Things change