Re: [IPsec] New Version Notification for draft-nir-ipsecme-ike-tcp-00.txt

2012-06-15 Thread Yoav Nir
On Jun 15, 2012, at 1:34 PM, Tero Kivinen wrote: 2. Since INIT always happens over UDP, as responder, I can immediately close any TCP connection that doesn't present an IKE header with an SPI I recognize. I don't agree that IKE_SA_INIT should always be over UDP. The first flight of

Re: [IPsec] New Version Notification for draft-nir-ipsecme-ike-tcp-00.txt

2012-06-14 Thread Yoav Nir
slip through. I guess. There is a MUST in section 2.4 for keeping retransmission detection, so when implementing the transmitter, you can do either. It doesn't make sense to retransmit at the application level when TCP does it for you. Thanks, Yaron On 06/14/2012 12:59 AM, Yoav Nir

Re: [IPsec] New Version Notification for draft-nir-ipsecme-ike-tcp-00.txt

2012-06-14 Thread Yoav Nir
On Jun 14, 2012, at 10:34 PM, John Leser wrote: On 06/14/12 13:39, Yoav Nir wrote: Hi Yaron Responses are inline. Yoav On Jun 14, 2012, at 1:40 AM, Yaron Sheffer wrote: Hi Yoav, thank you for the new draft. A few comments: - Please mention the question of IKE keepalive

RE: Change in I-D announcement format

2012-06-13 Thread Yoav Nir
This line is not too hot either: There's also a htmlized version available at: http://tools.ietf.org/html/submission.filename }}-01 -Original Message- From: ietf-boun...@ietf.org [mailto:ietf-boun...@ietf.org] On Behalf Of Brian E Carpenter Sent: 13 June 2012 10:48 To: IETF discussion

[IPsec] Fwd: New Version Notification for draft-nir-ipsecme-ike-tcp-00.txt

2012-06-13 Thread Yoav Nir
...@ietf.org Subject: New Version Notification for draft-nir-ipsecme-ike-tcp-00.txt Date: June 13, 2012 7:13:55 PM GMT+03:00 To: Yoav Nir y...@checkpoint.commailto:y...@checkpoint.com A new version of I-D, draft-nir-ipsecme-ike-tcp-00.txt has been successfully submitted by Yoav Nir and posted

Re: [IPsec] Fragmentation causing IKE to fail

2012-06-11 Thread Yoav Nir
Kivinen; ipsec@ietf.org; Yoav Nir Subject: Re: [IPsec] Fragmentation causing IKE to fail Hi Valery, This is not a different problem, because whatever solution we choose, we must ensure the whole system is functional: both IKE and IPsec. Routers that drop IKE fragments will not hesitate to drop ESP

RE: [Fwd: Re: Last Call: draft-hoffman-tao4677bis-15.txt (The Tao of IETF: A Novice's Guide to the Internet Engineering Task Force) to Informational RFC]

2012-06-10 Thread Yoav Nir
To be fair, nearly half the attendees come from that continent. Even when the meetings are held in Taipei or Paris. -Original Message- From: ietf-boun...@ietf.org [mailto:ietf-boun...@ietf.org] On Behalf Of Randy Bush Sent: 10 June 2012 03:33 To: Glen Zorn Cc: IETF Disgust Subject: Re:

[IPsec] Fragmentation causing IKE to fail

2012-06-07 Thread Yoav Nir
Hi I work for a vendor selling and IKE/IPsec solution. In the last few months, we've heard a troubling complaint from some of our customers. They say that some ISPs have begun to drop IP fragments. While specific ISPs were not named, most of the issues seem to be in south-east Asia. One

Re: [IPsec] Fragmentation causing IKE to fail

2012-06-07 Thread Yoav Nir
On Jun 7, 2012, at 7:15 PM, Paul Hoffman wrote: * Use IKE over TCP. Looking at the IANA registry ([2]) TCP port 500 is already allocated to ISAKMP. We have had IKE running over TCP for several years for remote access clients. This was done because remote access clients connect from behind

Re: [IPsec] Fragmentation causing IKE to fail

2012-06-07 Thread Yoav Nir
On Jun 7, 2012, at 8:26 PM, Nico Williams wrote: On Thu, Jun 7, 2012 at 11:54 AM, Paul Hoffman paul.hoff...@vpnc.org wrote: On Jun 7, 2012, at 9:43 AM, Paul Wouters wrote: Also, if we are doing this, I'd prefer to be able to signal which tcp port to use, to make it more flexible to bypass

Re: [IPsec] Fragmentation causing IKE to fail

2012-06-07 Thread Yoav Nir
On Jun 8, 2012, at 1:01 AM, Paul Hoffman wrote: On Jun 7, 2012, at 2:53 PM, Yoav Nir wrote: On Jun 7, 2012, at 7:15 PM, Paul Hoffman wrote: * Use IKE over TCP. Looking at the IANA registry ([2]) TCP port 500 is already allocated to ISAKMP. We have had IKE running over TCP

Re: [IPsec] IPsec SPD search

2012-06-06 Thread Yoav Nir
On Jun 6, 2012, at 5:54 PM, Sheng Hsin Lo wrote: Hello, Should the SPD search in IPsec support longest prefix match(LPM)? Hi The answer is no. The SPD is an ordered list of entries, and the first match is the one to follow. RFC 4301 defines a decorrelation algorithm (section 4.4.1

Re: [websec] Pinning

2012-06-05 Thread Yoav Nir
Hi The similarity of pinning and DANE has been discussed before. DANE relies on DNSSEC being deployed, which key-pinning does not. Come to think of it, the draft needs a section comparing with DANE, but that's for another thread. draft-perrin-tls-tack seems to tackle the same problem as

Re: Colloquial language [Re: Last Call:draft-hoffman-tao4677bis-15.txt (The Tao of IETF: A Novice'sGuide to the Internet Engineering Task Force) to Informational RFC]

2012-06-01 Thread Yoav Nir
On Jun 1, 2012, at 11:13 AM, Randy Bush wrote: if i have to delete through much more about this bikeshed, i will give you some colloquial american to read. bikeshed ? :-) Yoav

Re: Last Call: draft-hoffman-tao4677bis-15.txt (The Tao of IETF: A Novice's Guide to the Internet Engineering Task Force) to Informational RFC

2012-05-31 Thread Yoav Nir
Hi Peter I tend to disagree. I am not a native English speaker, although I will admit to watching way too much American TV in my teens. I believe most of these should be recognizable to anyone who has learned enough English to participate meaningfully in IETF mailing lists and discussions.

Re: Colloquial language [Re: Last Call: draft-hoffman-tao4677bis-15.txt (The Tao of IETF: A Novice's Guide to the Internet Engineering Task Force) to Informational RFC]

2012-05-31 Thread Yoav Nir
On May 31, 2012, at 10:39 PM, Martin Rex wrote: Stephen Farrell wrote: I'm with Brian and Yoav on this. I don't see a need to change here. And I do think we might lose something if we become too PC. If a bunch of non-native speakers did say yes, I found that made the document less useful

[IPsec] Fwd: I-D Action: draft-nir-ipsecme-erx-04.txt

2012-05-21 Thread Yoav Nir
for Supporting ERP Author(s) : Yoav Nir Qin Wu Filename: draft-nir-ipsecme-erx-04.txt Pages : 8 Date: 2012-05-20 This document describes an extension to the IKEv2 protocol that allows an IKE Security Association (SA) to be created

Re: RFC 2119 terms, ALL CAPS vs lower case

2012-05-20 Thread Yoav Nir
On May 20, 2012, at 11:36 PM, Marc Petit-Huguenin wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 05/20/2012 12:41 PM, Stephane Bortzmeyer wrote: On Wed, May 16, 2012 at 11:06:25AM -0400, Simon Perreault simon.perrea...@viagenie.ca wrote a message of 12 lines which said: One

Re: [IPsec] Issue #219 - Star topology as an admin choice

2012-05-19 Thread Yoav Nir
On May 19, 2012, at 3:53 PM, Yaron Sheffer wrote: Hi Vishwas, Yoav, Check Point (IIRC) supports communities of IPsec endpoints, arranged either as a star or a full mesh. This is nice and simple to configure but obviously does not cover all use cases. Some networks cannot be represented

SecDir review of draft-ietf-ccamp-assoc-info-03

2012-05-13 Thread Yoav Nir
Hi, I have reviewed this document as part of the security directorate's ongoing effort to review all IETF documents being processed by the IESG. These comments were written primarily for the benefit of the security area directors. Document editors and WG chairs should treat these comments

Re: [IPsec] Issue #219 - Star topology as an admin choice

2012-05-12 Thread Yoav Nir
to Say this in the security considerations Yoav Nir: Has to be a requirement that any solution can implement different policies Yaron Sheffer

Re: [IPsec] Issue #213/ #214 - Allow for non-direct end point connectivity

2012-05-12 Thread Yoav Nir
I'm not sure I understand the suggested resolution. The biggest barrier to direct connectivity is that the responder may be behind NAT. Is this considered a routing issue? In any case, there are protocols for getting to a responder behind a NAT. They work well enough that VoIP solutions work

Re: [IPsec] Issue #219 - Star topology as an admin choice

2012-05-12 Thread Yoav Nir
for the mesh topology. Let me know if that makes sense. I think we can state that the requirement should allow for such iterative use cases, however at one instance we only look at star or mesh topology. Do I make sense? Thanks, Vishwas On Sat, May 12, 2012 at 11:34 AM, Yoav Nir y

Re: Future Handling of Blue Sheets

2012-05-10 Thread Yoav Nir
On May 10, 2012, at 12:10 PM, Doug Barton wrote: On 5/10/2012 1:48 AM, Tobias Gondrom wrote: What I dispute is that make available to those who are interested necessarily leads to the need to broadcast the data (i.e. publish in the proceedings). What is the harm you are trying to guard

Re: Future Handling of Blue Sheets

2012-05-10 Thread Yoav Nir
On May 10, 2012, at 8:42 PM, Melinda Shore wrote: On 5/10/12 9:32 AM, Martin Rex wrote: There has never been a need to actively broadcast these massive amounts of personally identifiable information (PII), and I haven't seen any convincing rationale for doing it now. To be honest, I don't

RE: Last Call: draft-farrresnickel-ipr-sanctions-05.txt (Sanctions Available for Application to Violators of IETF IPR Policy) to Informational RFC

2012-05-09 Thread Yoav Nir
I think that regardless of how it's worded, the real question is whether liability falls to the person who sent the email (to a public mailing list) or the IETF. The difference between believe and shown seems minor in comparison. -Original Message- From: ietf-boun...@ietf.org

Re: Last Call: draft-farrresnickel-ipr-sanctions-05.txt (Sanctions Available for Application to Violators of IETF IPR Policy) to Informational RFC

2012-05-09 Thread Yoav Nir
, if they have been received in the UK via the Internet. Regards Brian Carpenter On 2012-05-09 08:07, Yoav Nir wrote: I think that regardless of how it's worded, the real question is whether liability falls to the person who sent the email (to a public mailing list) or the IETF

Re: Last Call: draft-farrresnickel-ipr-sanctions-05.txt (Sanctions Available for Application to Violators of IETF IPR Policy) to Informational RFC

2012-05-09 Thread Yoav Nir
On May 9, 2012, at 12:28 PM, SM wrote: Hi Yoav, At 00:44 09-05-2012, Yoav Nir wrote: What the IETF writes in its policy amounts to a plea to users to pretty please send only factual information. I don't know that it makes a difference as to who is liable if the information turns out

Re: Gender diversity in engineering

2012-05-08 Thread Yoav Nir
On May 8, 2012, at 1:12 PM, Yaakov Stein wrote: Around 30%-40%. I don't have hard numbers, but I have a feeling that it has gone down a bit in the last 10 years. Yoav, Your feelings are quite accurate as to the range, but less so regarding the trend. According to a recent study,

Re: Is the IETF aging?

2012-05-04 Thread Yoav Nir
On May 5, 2012, at 4:58 AM, Marshall Eubanks wrote: On Fri, May 4, 2012 at 9:50 PM, Phillip Hallam-Baker hal...@gmail.com wrote: On Wed, May 2, 2012 at 3:14 PM, Hannes Tschofenig hannes.tschofe...@gmx.net wrote: Hi PHB, the IETF is not like an enterprise where you can decide (as part of

Re: [IPsec] New Version Notification for draft-nir-ipsecme-erx-03.txt

2012-05-02 Thread Yoav Nir
PM, Paul Hoffman wrote: On Apr 12, 2012, at 11:17 AM, Yoav Nir wrote: We would like this working group to accept this, and have it added to charter. Of course, if it gets accepted, we volunteer to be authors. If it is not accepted, we will try to progress it as an individual submission

Re: 'Geek' image scares women away from tech industry ? The Register

2012-05-01 Thread Yoav Nir
On May 1, 2012, at 12:31 AM, Janet P Gunn wrote: My own anecdotes. Yes, it starts early. When I was 3 I announced that I was going to be a physicist when I grew up. WHY? 1 - a physicist has a chair that is on WHEELS, and spins ROUND and ROUND 2 - a physicist has a blackboard with COLORED

Re: 'Geek' image scares women away from tech industry ? The Register

2012-05-01 Thread Yoav Nir
On Apr 30, 2012, at 10:52 PM, Mary Barnes wrote: Here is an article that does a far better job of explaining the situation than I did: http://www.todaysengineer.org/2011/May/women-in-engineering.asp The largest reason women leave engineering is due to the work environment and perceived lack

Re: 'Geek' image scares women away from tech industry ? The Register

2012-05-01 Thread Yoav Nir
On May 1, 2012, at 4:45 PM, Mary Barnes wrote: The article clearly states that women leave for the two reasons you mentioned, which are certainly the exact same things males deal with, but you missed a few others that the article notes, specifically and directly quoted below: ...lack of real

Re: 'Geek' image scares women away from tech industry ? The Register

2012-05-01 Thread Yoav Nir
On May 1, 2012, at 8:44 PM, Janet P Gunn wrote: This is VERY narrow minded, and, to be honest, somewhat insulting. You suggest that time at work and family are the only important things to women. I'm suggesting no such thing. This authors of this survey say that women who left engineering

Re: Is the IETF aging?

2012-04-27 Thread Yoav Nir
Hi Phil After each meeting, Ray sends out a survey to all participants. The results from the latest one: When were you born? Before 19502.9% 1950 - 1960 16.6% 1961 - 1970 33.7% 1971 - 1980 32.8% After 198014.0% I think an earlier survey had the 1971-1980 crowd inch

Re: Is the IETF aging?

2012-04-27 Thread Yoav Nir
On Apr 27, 2012, at 6:05 PM, Carsten Bormann wrote: On Apr 27, 2012, at 16:41, Yoav Nir wrote: Before 19502.9% 1950 - 1960 16.6% 1961 - 1970 33.7% 1971 - 1980 32.8% After 198014.0% Nice bell curve, יואב, but you can't pop that soap bubble of perception

Re: Proposed IESG Statement on the Conclusion of Experiments

2012-04-19 Thread Yoav Nir
RFC 2026 says this about Experimental RFCs: The Experimental designation typically denotes a specification that is part of some research or development effort. However, I do not believe that this is still typical. Authors come up with ideas that they think are useful. If when the

Re: [IPsec] draft-bhatia-moving-ah-to-historic

2012-04-16 Thread Yoav Nir
On Apr 16, 2012, at 1:53 PM, Nick Hilliard wrote: I'd like to add a voice of support to this draft. AH adds little except complication to ipsec implementations and confusion to end users. It only adds confusion and complication in the sense that telnet adds them (ESP is SSH in this

[IPsec] Fwd: New Version Notification for draft-nir-ipsecme-erx-03.txt

2012-04-12 Thread Yoav Nir
To: Yoav Nir y...@checkpoint.com Cc: sunse...@huawei.com sunse...@huawei.com A new version of I-D, draft-nir-ipsecme-erx-03.txt has been successfully submitted by Yoav Nir and posted to the IETF repository. Filename: draft-nir-ipsecme-erx Revision: 03 Title: An IKEv2

Re: [vmeet] Minutes from the Paris meeting

2012-04-10 Thread Yoav Nir
On Apr 9, 2012, at 7:58 PM, Paul Hoffman wrote: ...are available at http://www.ietf.org/proceedings/83/minutes/minutes-83-rpsreqs.txt. Send me any corrections. My apologies for taking so long to do the transcription, but there was a lot of good material there. There are many ideas that

Re: [IPsec] SPI Collision

2012-04-05 Thread Yoav Nir
Hi Daniel On Apr 5, 2012, at 9:22 PM, Daniel Migault wrote: Hi, I am wondering how SPI collision is considered by IKEv2, and have not found any documentation on it, so if there are some, please let me know. My current understanding is that when an CREATE_CHILD_SA exchange is

Re: [vmeet] Issue: is PSTN access really required?

2012-03-30 Thread Yoav Nir
On Mar 30, 2012, at 1:11 PM, Dean Willis wrote: From today's meeting, taking to list. Remote participation for users connecting via the PSTN though gateways into a VoIP conference platform raises some issues. One of these is registration . There are hacks like PINs that can be made to

Re: [vmeet] Issue: is PSTN access really required?

2012-03-30 Thread Yoav Nir
On Mar 30, 2012, at 1:11 PM, Dean Willis wrote: From today's meeting, taking to list. Remote participation for users connecting via the PSTN though gateways into a VoIP conference platform raises some issues. One of these is registration . There are hacks like PINs that can be made to

Re: [vmeet] Issue: is PSTN access really required?

2012-03-30 Thread Yoav Nir
[sorry for the resend] ___ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html. https://www.ietf.org/mailman/listinfo/vmeet

Re: IETF.Fact.Check IETF Participants that were also at ICANN Costa Rica Meeting ?

2012-03-29 Thread Yoav Nir
Oh, this guy pre-dates RFC 4633 http://www.google.com/search?q=%22jim%20fleming%22%20site:ietf.org On Mar 29, 2012, at 11:48 PM, Eric Burger wrote: I was about to say we are at a point for an RFC 4633 action. Thanks. On Mar 29, 2012, at 2:26 PM, JORDI PALET MARTINEZ wrote: Hi Jim, This

Re: [IPsec] ipsec-registry change for IPSEC Authentication Methods (Value 3) registration policy

2012-03-28 Thread Yoav Nir
Hi Dan I have no opinion about the level of review needed for changes to IKEv1, and I share your unhappiness with the way PAKE turned out. If I had to guess the reasons for the slow adoption of IKEv2, I would guess that it's because IKEv1 (with XAuth/hybrid, Config, odd-numbered messages, and

Re: [IPsec] ipsec-registry change for IPSEC Authentication Methods (Value 3) registration policy

2012-03-28 Thread Yoav Nir
On Mar 28, 2012, at 2:12 PM, Michael Richardson wrote: Yoav == Yoav Nir y...@checkpoint.com writes: Yoav If I had to guess the reasons for the slow adoption of IKEv2, Yoav I would guess that it's because IKEv1 (with XAuth/hybrid, Yoav Config, odd-numbered messages, and poor PSK

Re: [IPsec] [ipsecme] #217: Temporary credentials

2012-03-26 Thread Yoav Nir
On Mar 26, 2012, at 9:52 AM, Michael Richardson wrote: Geoffrey == Geoffrey Huang ghu...@juniper.net writes: Geoffrey My initial inclination is to say that won't fly: that many Geoffrey deployments still require preshared key authentication. Geoffrey Rather, they would object to

Re: [IPsec] [ipsecme] #214: Should gateways figure things out completely or just punt endpoints to a closer gateway?

2012-03-26 Thread Yoav Nir
On Mar 26, 2012, at 10:47 AM, Michael Richardson wrote: Yaron == Yaron Sheffer yaronf.i...@gmail.com writes: Yaron I don't want to speak for MCR, but I think you are taking his Yaron question too far towards the implementation aspects. What I Yaron read in the question is, do we

[IPsec] draft-nir-ipsecme-erx

2012-03-26 Thread Yoav Nir
Hi This is about my presentation from the IPsecME meeting today (which for some reason is not on the website) Anyways, RFC 5266 mentions that RFC 4306 must be updated to carry ERP messages. This caused some controversy a year ago, but regardless, I did think of a use case, so I partnered with

Re: [IPsec] draft-nir-ipsecme-erx

2012-03-26 Thread Yoav Nir
On Mar 26, 2012, at 6:43 PM, Tero Kivinen wrote: Yoav Nir writes: This is about my presentation from the IPsecME meeting today (which for some reason is not on the website) Anyways, RFC 5266 mentions that RFC 4306 must be updated to carry ERP messages. This caused some controversy a year

[websec] Issue #41

2012-03-26 Thread Yoav Nir
Hi It was my review that triggered this, so I'd like to explain my position. There are several things that could be considered failures of the TLS layer: 1. Revoked certificate 2. No CRL/OCSP response 3. Expired certificate 4. Expired CRL (yes, I know NextUpdate is not expiry…) 5. Mismatch

[websec] Issue #42

2012-03-26 Thread Yoav Nir
Hi This is about fetching CRLs from a domain that happens to be the same as that of a website. Obviously you can't get a CRL or an OCSP response over HTTPS. Jeff's response was that they should use a different domain name for the CRLs (if they want to deploy HSTS) Obviously, it's too late

Re: [IPsec] [ipsecme] #213: In use case 2.1, direct endpoint-to-endpoint connectivity may not be possible

2012-03-22 Thread Yoav Nir
, India +91-9686202644 On Wed, Mar 21, 2012 at 6:49 PM, Yoav Nir y...@checkpoint.commailto:y...@checkpoint.com wrote: direct endpoint-to-endpoint connectivity may not be possible if both endpoints are NATed Why? There are several protocols (SIP/RTP come to mind) that manage endpoint-to-endpoint

Re: [IPsec] [ipsecme] #219: Star topology as an admin choice

2012-03-22 Thread Yoav Nir
I don't think this is an all-or-nothing choice. You might want a mesh for VoIP, but a star for HTTP, FTP and mail protocols. Or you may want a mesh within your organization, but to trunk and inspect all traffic going somewhere else. On Mar 21, 2012, at 3:37 AM, Stephen Hanna wrote: Please

Re: [IPsec] [ipsecme] #213: In use case 2.1, direct endpoint-to-endpoint connectivity may not be possible

2012-03-21 Thread Yoav Nir
direct endpoint-to-endpoint connectivity may not be possible if both endpoints are NATed Why? There are several protocols (SIP/RTP come to mind) that manage endpoint-to-endpoint connectivity even when both are behind NAT. Why shouldn't IPsec endpoints do this? If this requires some new NAT

Re: [IPsec] [ipsecme] #214: Should gateways figure things out completely or just punt endpoints to a closer gateway?

2012-03-21 Thread Yoav Nir
I agree that this pre-supposes that the solution will involve gateways figuring things out for endpoints in either one step or more than one step. It pre-supposes a two-tier system. We've had a presentation in Taipei that did not involve gateways, but rather specialized servers carrying

Re: [IPsec] [ipsecme] #218: Exhaustive configuration

2012-03-21 Thread Yoav Nir
+1 Not only IP addresses, but actual peers may come and go. A user database changes every day as employees (for example) come and go. On Mar 21, 2012, at 9:26 PM, Vishwas Manral wrote: Hi Steve, Like I mentioned the problem is not just exhaustive configuration but also the fact that

Re: [IPsec] Some comments to the draft-ietf-ipsecme-p2p-vpn-problem-00

2012-03-14 Thread Yoav Nir
On Mar 14, 2012, at 8:00 AM, Tero Kivinen wrote: In section 2.1 where there is dicsussion about the endpoint to endpoint vpn use case, it should be noted, that this might require different temporary credentials. Endpoints (especially remote access users) do use passwords or similar

Re: Add a link to the HTML version in i-d-announce mails ?

2012-03-06 Thread Yoav Nir
Even better, also add the XML2RFC output if it's available at the same time: http://tools.ietf.org/id/draft-name.html for example, (just picking my own latest draft as an example): http://tools.ietf.org/id/draft-nir-websec-extended-origin-02.html I don't know which drafts get this version

Re: Add a link to the HTML version in i-d-announce mails ?

2012-03-06 Thread Yoav Nir
The XML2RFC version is not linked from there. If that was added to the Other versions field, that would be great. On Mar 6, 2012, at 5:11 PM, Xavier Marjou wrote: With a link like https://datatracker.ietf.org/doc/draft-name/ (e.g.

Re: Add a link to the HTML version in i-d-announce mails ?

2012-03-06 Thread Yoav Nir
On Mar 6, 2012, at 11:44 PM, Julian Reschke wrote: On 2012-03-06 16:26, Yoav Nir wrote: The XML2RFC version is not linked from there. If that was added to the Other versions field, that would be great. ... Indeed. HTMLized plain text is progress over plain text, but properly generated

[IPsec] P2P VPN Problem Statement - why is this hard?

2012-03-06 Thread Yoav Nir
Hi Steve On Mar 6, 2012, at 11:54 PM, Stephen Hanna wrote: So please review this short document and send comments. While the draft does a good job of describing use cases, and certain inadequate solutions, I think it's missing a description of why this is hard. Even if we accept the solution

Re: [websec] I-D Action: draft-nir-websec-extended-origin-00.txt

2012-03-04 Thread Yoav Nir
Hi Tobias, Replies inline. On Mar 3, 2012, at 6:07 PM, Tobias Gondrom wrote: Hello Yoav, thank you for the interesting draft. hat=individual I have a few points as feedback: - the 3-tupel of origin consists of real parameters (protocol, URL, port), while the introduction of the 4th

Re: WG Review: Recharter of Hypertext Transfer Protocol Bis (httpbis)

2012-02-26 Thread Yoav Nir
On Feb 26, 2012, at 2:44 AM, Mark Nottingham wrote: I proposed a plan that I think might allow us to make progress on that. I believe we could. OK, great. Could you please explain why you think tying this effort to HTTP/2.0 is necessary to achieve that? To me that's the critical

Re: WG Review: Recharter of Hypertext Transfer Protocol Bis (httpbis)

2012-02-24 Thread Yoav Nir
On Feb 24, 2012, at 5:02 PM, Paul Hoffman wrote: On Feb 24, 2012, at 4:54 AM, Stephen Farrell wrote: Proposals for new HTTP authentication schemes are in scope. How would a plan like the following look to folks: - httpbis is chartered to include auth mechanism work as per the above

Re: IETF Last Calls and Godwin-like rules

2012-02-16 Thread Yoav Nir
On Feb 16, 2012, at 4:09 PM, Måns Nilsson wrote: Subject: IETF Last Calls and Godwin-like rules Date: Thu, Feb 16, 2012 at 09:04:03AM -0500 Quoting John C Klensin (john-i...@jck.com): ... first appearance of many no-information I support this endorsements from people and constituencies

Re: IETF Last Calls and Godwin-like rules

2012-02-16 Thread Yoav Nir
On Feb 16, 2012, at 4:04 PM, John C Klensin wrote: A current Last Call has apparently brought on another of the please tell all your friends to send in supportive notes, even if they don't say much of anything substantive campaigns that we see from time to time. When those notes come from

Re: IETF Last Calls and Godwin-like rules

2012-02-16 Thread Yoav Nir
On Feb 16, 2012, at 4:48 PM, Roger Jørgensen wrote: On Thu, Feb 16, 2012 at 3:34 PM, Yoav Nir y...@checkpoint.com wrote: snip I think that an endorsement like I work for Cisco and we intend to implement this in every one of our products is useful. But it's not nearly as useful

Re: Variable length internet addresses in TCP/IP: history

2012-02-14 Thread Yoav Nir
On Feb 15, 2012, at 1:56 AM, Bob Hinden wrote: Martin, On Feb 14, 2012, at 2:45 PM, Martin Rex wrote: Brian E Carpenter wrote: Martin, One the one hand, the IETF was frowning upon NATs when they were developed outside of the IETF. But if you look at the IETFs (lack of) migration

Re: [therightkey] Paris too soon for a meeting...

2012-02-12 Thread Yoav Nir
On Feb 12, 2012, at 10:19 PM, Kai Engert wrote: On 12.02.2012 01:57, Stephen Farrell wrote: If folks wanna meet during IETF week then I'd suggest a doodle poll to pick a time slot. How about this? http://www.doodle.com/8c5s43ayqbrft5rm That's about it, but usually we do this after the

Re: Room sharing in Paris?

2012-01-23 Thread Yoav Nir
Hi Kevin You can register at https://www.ietf.org/meeting/register.html You can hold off on paying until early March. That will give you the ability to edit the meeting wiki: https://www.ietf.org/registration/MeetingWiki/wiki/ietf83 You can easily add a page there for what you're looking for.

Re: [IPsec] [IPSec]: New Version Notification for draft-zong-ipsecme-ikev2-cpext4femto-00.txt

2012-01-22 Thread Yoav Nir
To: Yoav Nir Cc: ipsec@ietf.org Subject: 答复: Re: [IPsec] [IPSec]: New Version Notification for draft-zong-ipsecme-ikev2-cpext4femto-00.txt Hi Yoav: Thank you for your email. Regarding to your question on what is the malicious FAP lying about, I would like to give you some further background

Re: [websec] preparing for Paris

2012-01-17 Thread Yoav Nir
I believe that Alexey has requested a session on 19-Dec. On Jan 17, 2012, at 7:08 PM, Peter Saint-Andre wrote: Just a friendly reminder that WG sessions for IETF 83 need to be scheduled less than 2 weeks from now: http://www.ietf.org/meeting/cutoff-dates-2012.html#IETF83 Peter

Re: [websec] #34: HSTS cache manipulation and misuse by server enabled by wildcard cert

2012-01-14 Thread Yoav Nir
Interesting. But I don't see how subdomains help. If I have a website called charcount-5.example.com, and I use a wildcard *.example.com certificate, the HSTS entry is still written for charcount-5.example.com. Adding subdomains would affect *.charcount-5.example.com, not 0-H.example.com. I

Re: [IPsec] Large Scale VPN

2011-12-22 Thread Yoav Nir
8, 2011, at 10:06 PM, Yoav Nir wrote: Agree. How about: In an environment with many IPsec gateways and remote clients that share an established trust infrastructure (in a single administrative domain or across multiple domains), customers want to get on-demand point-to-point IPsec

Re: [IPsec] Question about ECDSA cert usage for IKEv2 auth

2011-12-22 Thread Yoav Nir
On Dec 22, 2011, at 9:07 PM, Gaurav Poothia wrote: Hello, The basic IKEv2 cert auth mechanism for RSA (from RFC 5996) seems to be to hash using SHA-1 before signing. However when using ECDSA certs for IKEv2 I am trying to make sure I am reading RFC 4754 correctly when it says the following:

[openssl.org #2663] Apparent bug in the x86 ghash function

2011-12-18 Thread Yoav Nir via RT
Hi I've compiled a recent SNAP of OpenSSL 1.0.1 (from 18/12). I am pretty sure that the assembly language code generated for the ghash function (in ghash-x86.s) is incorrect. The gcm_init_4bit() function generates a 16-entry table of 128-bit values, to be used as a multiplication table. The

Re: [IPsec] Large Scale VPN

2011-12-12 Thread Yoav Nir
logic, or +1 is all it takes. Yoav On Dec 8, 2011, at 10:06 PM, Yoav Nir wrote: Agree. How about: In an environment with many IPsec gateways and remote clients that share an established trust infrastructure (in a single administrative domain or across multiple domains), customers want

[IPsec] Large Scale VPN

2011-12-08 Thread Yoav Nir
Hi all. The discussion has died down a bit, so I thought I'd chime in with proposed charter text. What do people think of the following? The first paragraph is taken from Steve's email of 18-Nov. Yoav In an environment with many IPsec gateways and remote clients that share an established

Re: [IPsec] Large Scale VPN

2011-12-08 Thread Yoav Nir
On Dec 8, 2011, at 6:04 PM, Paul Hoffman wrote: On Dec 8, 2011, at 1:55 AM, Yoav Nir wrote: In an environment with many IPsec gateways and remote clients that share an established trust infrastructure (in a single administrative domain or across multiple domains), customers want to get

Re: [IPsec] Large Scale VPN

2011-12-08 Thread Yoav Nir
On Dec 8, 2011, at 8:14 PM, Yaron Sheffer wrote: We as a group can commit to deliverable #1 and #3 (problem statement and standardized solution). But deliverable #2 (vendor protocols) is mostly out of our hands. That's why I used review and help rather than write or produce. So before we

Re: [IPsec] Preparing a charter change for P2P VPN

2011-11-27 Thread Yoav Nir
On Nov 21, 2011, at 10:09 PM, Stephen Hanna wrote: The conclusion of Wednesday night's P2P VPN side meeting was that we would start a new thread on the proposed ipsecme charter change and resolve the open questions by email. Let's start off with the text that came out of Wednesday's meeting

Re: [IPsec] IKEv2 and ERP

2011-11-19 Thread Yoav Nir
On Aug 6, 2011, at 10:37 PM, Yoav Nir wrote: Hi At the meeting in Quebec, I gave a presentation at the hokey meeting about http://tools.ietf.org/html/draft-nir-ipsecme-erx . The draft covers using the EAP extensions for re-authentication in IKEv2. The obvious (to me) use-case

Re: [IPsec] P2P VPN - Side Meeting

2011-11-17 Thread Yoav Nir
On Nov 18, 2011, at 2:06 AM, Nico Williams wrote: On Wed, Nov 16, 2011 at 8:17 PM, Yoav Nir y...@checkpoint.com wrote: On Nov 17, 2011, at 9:31 AM, Paul Wouters wrote: But seriously, IPsec tunnels are based on RFC 4301 and there SPDs and PADs are static, so there is only one peer where

[IPsec] P2P-VPN - Side Meeting - Announcement

2011-11-16 Thread Yoav Nir
to test it, and say hi, go ahead. Otherwise see y'all at 20:00 in room 101D. Yoav On Nov 14, 2011, at 10:09 AM, Yoav Nir wrote: Hi all This is to announce a side meeting about peer to peer VPN, as described in our recently published draft: http://tools.ietf.org/html/draft-nir-ipsecme-p2p-00

Re: [IPsec] P2P VPN - Side Meeting

2011-11-16 Thread Yoav Nir
16, 2011 4:24 AM To: Yoav Nir Cc: ipsec@ietf.org WG; Tero Kivinen; Mike Sullenberger Subject: Re: [IPsec] P2P VPN - Side Meeting You are mixing everything up. It is too much work to correct you over email. I will try to help you at the meeting. regards, fred On 16 Nov 2011

Re: [IPsec] P2P VPN - Side Meeting

2011-11-16 Thread Yoav Nir
On Nov 17, 2011, at 2:17 AM, Michael Richardson wrote: Mike I am not sure where you are getting a set of extended Mike access-lists. There aren't any extended access-lists added. Mike If a packet is routed through the tunnel it is encapsulated Mike and then encrypted. There

Re: [IPsec] P2P VPN - Side Meeting

2011-11-16 Thread Yoav Nir
On Nov 17, 2011, at 9:31 AM, Paul Wouters wrote: On Thu, 17 Nov 2011, Yoav Nir wrote: Not necessarily. If your device drops packets that come through the wrong tunnel, you're safe. Typically in a complex network you will allow multiple paths through the overlay network, and then some

Re: Plagued by PPTX again

2011-11-15 Thread Yoav Nir
On Nov 15, 2011, at 5:55 PM, Ray Bellis wrote: On 15 Nov 2011, at 16:26, Bob Hinden wrote: +1 The Datatracker does officially support PPTX, so I don't believe it's unreasonable to use it. If you don't like that policy, I'm not sure where you would take that up. It also hadn't

Re: Plagued by PPTX again

2011-11-15 Thread Yoav Nir
On Nov 16, 2011, at 2:28 AM, Martin Rex wrote: todd glassey wrote: Marshall Eubanks wrote: Should the system reject PPTX files ? If people can't read them, why are we accepting them ? I would appreciate if that datatracker simply rejected PPTX on upload. It is several mangnitudes

Re: [IPsec] P2P VPN - Side Meeting

2011-11-15 Thread Yoav Nir
On Nov 15, 2011, at 12:12 PM, Frederic Detienne wrote: On 15 Nov 2011, at 12:05, Yoav Nir wrote: Hi Frederic Inline... On Nov 15, 2011, at 11:42 AM, Frederic Detienne wrote: Hi Yoav, We will be there (following offline with you for the details). I do not think

Re: [IPsec] P2P VPN - Side Meeting

2011-11-15 Thread Yoav Nir
Hi Mike On Nov 15, 2011, at 6:25 PM, Mike Sullenberger wrote: Hi Yoav, Please see inline. Mike. On Nov 15, 2011, at 12:12 PM, Frederic Detienne wrote: On 15 Nov 2011, at 12:05, Yoav Nir wrote: Hi Frederic Inline... On Nov 15, 2011, at 11:42 AM, Frederic Detienne wrote

Re: [IPsec] P2P VPN - Side Meeting UNCLASSIFIED

2011-11-15 Thread Yoav Nir
On Nov 15, 2011, at 7:36 PM, Ulliott, Chris wrote: Classification:UNCLASSIFIED The problem with a single SA is that it usually means a single key (what ever form that takes) such that a compromise of a single spoke puts all traffic at risk... So what ever solution we go for - we need to

Re: [IPsec] New -00 draft: Creating Large Scale Mesh VPNs Problem

2011-11-15 Thread Yoav Nir
On Nov 15, 2011, at 10:52 PM, Michael Richardson wrote: Mark == Mark Boltz mark.bo...@stonesoft.com writes: Mark With all due respect to Cisco, the larger problem we're trying Mark to address, is in part the fact that DMVPN and ACVPN are Mark vendor specific implementations. And

Re: [IPsec] P2P VPN - Side Meeting

2011-11-15 Thread Yoav Nir
really is not a problem until shown otherwise. Again, I urge you to be specific because there is nothing tangible in your claims. I understand what you mean but if you rationalized it, you would see your intuition fools you. On 16 Nov 2011, at 14:17, Yoav Nir wrote: On Nov 16, 2011

Re: [IPsec] P2P VPN - Side Meeting

2011-11-15 Thread Yoav Nir
On Nov 16, 2011, at 3:31 PM, Tero Kivinen wrote: Frederic Detienne writes: Again, I urge you to be specific because there is nothing tangible in your claims. I understand what you mean but if you rationalized it, you would see your intuition fools you. When one does not know what problem

Re: [IPsec] P2P VPN - Side Meeting

2011-11-15 Thread Yoav Nir
On Nov 16, 2011, at 3:38 PM, Tero Kivinen wrote: Frederic Detienne writes: Frederic Detienne writes: And like I said earlier, the amount of negotiation when there are multiple prefixes to protect is limited to one. With modern ipsec tunneling (got to love that), there is still a lot of

Re: Plagued by PPTX again

2011-11-14 Thread Yoav Nir
On Nov 15, 2011, at 10:24 AM, Brian E Carpenter wrote: Please can everybody who doesn't upload PDF to the meeting materials page at least take care to upload PPT instead of PPTX? Not everybody has paid the ransom necessary to open PPTX files. The latest LibreOffice (and I think also

<    5   6   7   8   9   10   11   12   13   14   >