Re: Requirements for IPv6 Firewalls

2014-04-18 Thread Timothy Morizot
On Apr 18, 2014 10:04 AM, William Herrin b...@herrin.us wrote: That's correct: you don't understand. Until you do, just accept: there are more than a few folks who want to, intend to and will use NAT for IPv6. They will wait until NAT is available in their preferred products before making any

Re: Requirements for IPv6 Firewalls

2014-04-17 Thread Timothy Morizot
On Apr 17, 2014 3:07 PM, valdis.kletni...@vt.edu wrote: On Thu, 17 Apr 2014 14:50:01 -0400, William Herrin said: To vendors who would sell me product, I would respectfully suggest that attempts to forcefully educate me as to what I *should want* offers neither a short nor particularly

Re: Requirements for IPv6 Firewalls

2014-04-17 Thread Timothy Morizot
On Apr 17, 2014 7:52 PM, Matthew Kaufman matt...@matthew.at wrote: While you're at it, the document can explain to admins who have been burned, often more than once, by the pain of re-numbering internal services at static addresses how IPv6 without NAT will magically solve this problem. If

Re: Why IPv6 isn't ready for prime time :-)

2014-03-28 Thread Timothy Morizot
On Mar 27, 2014 8:01 PM, Tim Durack tdur...@gmail.com wrote: NANOG arguments on IPv6 SMTP spam filtering. Deutsche Telecom discusses IPv4-IPv6 migration: https://ripe67.ripe.net/presentations/131-ripe2-2.pdf Facebook goes public with their IPv4-IPv6 migration:

Re: Why IPv6 isn't ready for prime time :-)

2014-03-28 Thread Timothy Morizot
Hmmm. Phone accidentally sent email before it was finished. Indeed. Having been deeply involved leading the technical side of our transition at my organization for the past three years, I think those who wait until the IPv6/IPv4 divide is roughly 50/50 or later are going to be in for a world of

Re: IPv6 Security [Was: Re: misunderstanding scale]

2014-03-26 Thread Timothy Morizot
On Mar 26, 2014 6:27 PM, Luke S. Crawford l...@prgmr.com wrote: My original comment and complaint, though, was in response to the assertion that DHCPv6 is as robust as DHCPv4. My point is that DHCPv6 does not fill the role that DHCPv4 fills, if you care about tying an IP to a MAC and you want

Re: IPv6 Security [Was: Re: misunderstanding scale]

2014-03-24 Thread Timothy Morizot
On Mon, Mar 24, 2014 at 1:51 AM, Mark Tinka mark.ti...@seacom.mu wrote: On Monday, March 24, 2014 01:37:52 AM Timothy Morizot wrote: Yes. As I said, same general sorts of risks for the most part as in IPv4. Details differ, but same general types. My point was that it's mostly FUD to wave

Re: misunderstanding scale

2014-03-24 Thread Timothy Morizot
On Mon, Mar 24, 2014 at 1:38 AM, Mark Tinka mark.ti...@seacom.mu wrote: On Sunday, March 23, 2014 09:35:31 PM Denis Fondras wrote: When speaking of IPv6 deployment, I routinely hear about host security. I feel like it should be stated that this is *in no way* an IPv6 issue. May the device

Re: Ipv4 end, its fake.

2014-03-24 Thread Timothy Morizot
On Mon, Mar 24, 2014 at 6:56 AM, Saku Ytti s...@ytti.fi wrote: On (2014-03-24 07:46 -0400), Brandon Ross wrote: Maybe he does not suspect enough clueless people exist to pay that premium? Starting LIR + company, costs about 4000EUR, this gives you /22 for LIR, putting IPv4 address price at

Re: misunderstanding scale

2014-03-24 Thread Timothy Morizot
On Mon, Mar 24, 2014 at 11:36 AM, Alexander Lopez alex.lo...@opsys.comwrote: not to mention the cost in readdressing your entire network when you change an upstream provider. Nat was a fix to a problem of lack of addresses, however, the use of private address space 10/8, 192.168/16 has

Re: misunderstanding scale

2014-03-24 Thread Timothy Morizot
On Mon, Mar 24, 2014 at 8:25 AM, Joe Greco jgr...@ns.sol.net wrote: Bill Herrin wrote: I say this with the utmost respect, but you must understand the principle of defense in depth in order to make competent security decisions for your organization. Smart people disagree on the details

Re: misunderstanding scale

2014-03-24 Thread Timothy Morizot
On Mon, Mar 24, 2014 at 12:37 PM, William Herrin b...@herrin.us wrote: What sort of traction are you getting from that argument when you speak with enterprise security folks? Actually, I never even had to make the argument in our enterprise. Our cybersecurity organization already knew that

Re: misunderstanding scale

2014-03-23 Thread Timothy Morizot
On Mar 23, 2014 11:27 AM, Paul Ferguson fergdawgs...@mykolab.com wrote: Also, IPv6 introduces some serious security concerns, and until they are properly addressed, they will be a serious barrier to even considering it. And that is pure FUD. The sorts of security risks with IPv6 are mostly in

Re: misunderstanding scale

2014-03-23 Thread Timothy Morizot
On Mar 23, 2014 4:45 PM, bmann...@vacation.karoshi.com wrote: Yo, Tim/Scott. Seems you have not been keeping up. http://go6.si/wp-content/uploads/2011/11/DREN-6-Slo-IPv6Summit-2011.pdf points out several unique problems w/ IPv6 and in deployments where there are

Re: IPv6 Security [Was: Re: misunderstanding scale]

2014-03-23 Thread Timothy Morizot
On Mar 23, 2014 4:45 PM, Paul Ferguson fergdawgs...@mykolab.com wrote: Also, neighbor discovery, for example, can be dangerous (admittedly, so can ARP spoofing in IPv4). And aside from the spoofable ability of ND, robust DHCPv6 is needed for enterprises for sheer operational continuity. Yes.

Re: misunderstanding scale

2014-03-23 Thread Timothy Morizot
On Mar 23, 2014 6:21 PM, Paul Ferguson fergdawgs...@mykolab.com wrote: Says you. And many others. My comments were actually reiterating what I commonly see presented today. On the other hand, there are beaucoup enterprise networks unwilling to consider to moving to v6 until there are

Re: misunderstanding scale

2014-03-23 Thread Timothy Morizot
On Mar 23, 2014 7:24 PM, Mike Hale eyeronic.des...@gmail.com wrote: It's derisive because you completely dismiss a huge security issue that, given the state of IPv6 adoption, a great majority of companies are facing. The original assertion was that there are unaddressed security weaknesses in

Re: misunderstanding scale

2014-03-23 Thread Timothy Morizot
On Mar 23, 2014 7:54 PM, Mike Hale eyeronic.des...@gmail.com wrote: unless by few you simply mean a minority Which I do. Then that's fine. But there are numerous enterprises in that minority and it includes some pretty large enterprises. My own enterprise organization has more than 600 sites,

Re: misunderstanding scale

2014-03-23 Thread Timothy Morizot
On Mar 23, 2014 8:44 PM, Mike Hale eyeronic.des...@gmail.com wrote: Your attack surface has already expanded whether or not you deploy IPv6. Not so. If I don't enable IPv6 on my hosts, the attacker can yammer away via IPv6 all day long with no result. I suppose it depends on the size of your

Re: misunderstanding scale

2014-03-23 Thread Timothy Morizot
On Mar 23, 2014 8:44 PM, Michael Thomas m...@mtcc.com wrote: It seems to me that the only thing that really matters in v6 wars for enterprise is whether their content side has a v6 face. Who really cares whether they migrate away from v4 so long as they make their outward facing content (eg

Re: arin representation

2014-03-23 Thread Timothy Morizot
Unless I misremember, everyone who receives a direct allocation from ARIN and signs an RSA is automatically a member. It's not clear to me what owner of a /24 network means in that context. (I don't recall if signing an LRSA in and of itself also makes one a member, since by the time we had signed

Re: turning on comcast v6

2013-12-30 Thread Timothy Morizot
I've been in the process of rolling out IPv6 (again this night) across a very large, highly conservative, and very bureaucratic enterprise. (Roughly 100K employees. More than 600 distinct site. Yada. Yada.) I've had no issues whatsoever implementing the IPv6 RA+DHCPv6 model alongside the IPv4

Fwd: Re: This is a coordinated hacking. (Was Re: Need help in flushing DNS)

2013-06-20 Thread Timothy Morizot
On Jun 20, 2013 5:31 PM, Randy Bush ra...@psg.com wrote: and dnssec did not save us. is there anything which could have? Hmmm. DNSSEC wouldn't have prevented an outage. But from everything I've seen reported, had the zones been signed, validating recursive resolvers (comcast, google, much of

Re: Re: This is a coordinated hacking. (Was Re: Need help in flushing DNS)

2013-06-20 Thread Timothy Morizot
On Jun 20, 2013 7:30 PM, Rubens Kuhl rube...@gmail.com wrote: In this case of registrar compromise, DS record could have been changed alongside NS records, so DNSSEC would only have been a early warning, because uncoordinated DS change disrupts service. As soon as previous timeouts played out,

Re: MTU issues s0.wp.com

2012-11-06 Thread Timothy Morizot
On Nov 6, 2012 6:35 AM, Seth Mos seth@dds.nl wrote: Hi, Since about a week or so it's become impossible to reach wp.com content over IPv6. [snip] It looks like tunneled IPv6 users might be in hurt here. Is anyone else experiencing similar issues? I've definitely had problems from my

Re: IPv6 Ignorance

2012-09-16 Thread Timothy Morizot
On Sep 16, 2012 6:58 PM, John R. Levine jo...@iecc.com wrote: IPv6 has its problems, but running out of addresses is not one of them. For those of us worried about abuse management, the problem is the opposite, even the current tiny sliver of addresses is so huge that techniques from IPv4 to