Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-30 Thread Mark Smith
On Thu, 29 Apr 2010 08:22:47 -0700 Bill Stewart nonobvi...@gmail.com wrote: On Tue, Apr 27, 2010 at 3:24 PM, Owen DeLong o...@delong.com wrote: Here's an exercise.  Wipe a PC.  Put it on that cable modem with no firewall.  Install XP on it.  See if you can get any service packs installed

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-30 Thread David Conrad
Paul, On Apr 29, 2010, at 8:29 AM, Paul Timmins wrote: If you change ISPs, send out an RA with the new addresses, wait a bit, then send out an RA with lifetime 0 on the old address. Even if this works (and I know a lot of applications that use the socket() API that effectively cache the

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-30 Thread Owen DeLong
On Apr 30, 2010, at 6:26 PM, David Conrad wrote: Paul, On Apr 29, 2010, at 8:29 AM, Paul Timmins wrote: If you change ISPs, send out an RA with the new addresses, wait a bit, then send out an RA with lifetime 0 on the old address. Even if this works (and I know a lot of applications

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-30 Thread Paul Timmins
David Conrad wrote: Paul, On Apr 29, 2010, at 8:29 AM, Paul Timmins wrote: If you change ISPs, send out an RA with the new addresses, wait a bit, then send out an RA with lifetime 0 on the old address. Even if this works (and I know a lot of applications that use the socket() API

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-30 Thread David Conrad
Owen, On Apr 30, 2010, at 7:04 PM, Owen DeLong wrote: Ideally, in the vast majority of cases, resolv.conf is populated by dhcpv6 or it's successor. :-). I haven't been following the religious war against DHCPv6 -- is it now acceptable to get DNS information via DHCPv6? I note that MacOSX

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-29 Thread Mark Smith
On Thu, 29 Apr 2010 10:33:02 +1000 Mark Andrews ma...@isc.org wrote: In message a3f2ff6f-afe3-4ed1-ad33-5b6277249...@virtualized.org, David Conrad writes: Mark, On Apr 28, 2010, at 3:07 PM, Mark Andrews wrote: Perhaps the ability to change service providers without having to =

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-29 Thread Mark Smith
On Wed, 28 Apr 2010 17:04:25 -0500 Dave Pooser dave.na...@alfordmedia.com wrote: IPv6's fundamental goal is to restore end-to-end. For some. For many, IPv6's fundamental goal is to keep doing what we've been doing without running out of addresses. The fact that the two camps have

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-29 Thread Bill Stewart
On Tue, Apr 27, 2010 at 3:24 PM, Owen DeLong o...@delong.com wrote: Here's an exercise.  Wipe a PC.  Put it on that cable modem with no firewall.  Install XP on it.  See if you can get any service packs installed before the box is infected. 1.      Yes, I can.  I simply didn't put an IPv4

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-29 Thread Paul Timmins
David Conrad wrote: On Apr 28, 2010, at 2:38 PM, Carl Rosevear wrote: I don't understand why anyone thinks NAT should be a fundamental part of the v6 internet Perhaps the ability to change service providers without having to renumber? Number your internal network on ULA, and put

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Steve Bertrand
On 2010.04.28 00:04, Josh Hoppes wrote: I'll preface this that I'm more of an end user then a network administrator, but I do feel I have a good enough understanding of the protocols and network administration to submit my two cents. You are always welcome to do so. The issue I see with

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread gordon b slater
On Wed, 2010-04-28 at 02:13 -0400, Steve Bertrand wrote: I would see UPNP as being a security risk and prone to denial of service attacks when you have torrent clients attempting to grab every +1 apologies if I've said this here before - UPNP = unstoppable Peek and Poke Gord

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Mark Smith
On Tue, 27 Apr 2010 14:29:50 -0400 Dave Israel da...@otd.com wrote: On 4/27/2010 1:36 PM, Andy Davidson wrote: On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote: Did you use Yahoo IM, AIM, or Skype? Yes, yes, and yes. Works fine. What about every other

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Matthew Kaufman
Mark Smith wrote: On Tue, 27 Apr 2010 14:29:50 -0400 Dave Israel da...@otd.com wrote: On 4/27/2010 1:36 PM, Andy Davidson wrote: On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote: Did you use Yahoo IM, AIM, or Skype? Yes, yes, and yes. Works

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Mark Smith
On Wed, 28 Apr 2010 08:44:41 -0700 Matthew Kaufman matt...@matthew.at wrote: Mark Smith wrote: On Tue, 27 Apr 2010 14:29:50 -0400 Dave Israel da...@otd.com wrote: On 4/27/2010 1:36 PM, Andy Davidson wrote: On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote:

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Carl Rosevear
I'm not normally one to respond to NANOG messages with opinions but... Yeah, NAT broke the internet. Yes you can engineer around it. There is NO reason to hold onto NAT as a standard. With v6 we have the opportunity to do it right (or at least semi-right) from the beginning, lets not

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread David Conrad
On Apr 28, 2010, at 2:38 PM, Carl Rosevear wrote: I don't understand why anyone thinks NAT should be a fundamental part of the v6 internet Perhaps the ability to change service providers without having to renumber? Regards, -drc

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Felipe Zanchet Grazziotin
On Wed, Apr 28, 2010 at 6:54 PM, David Conrad d...@virtualized.org wrote: On Apr 28, 2010, at 2:38 PM, Carl Rosevear wrote: I don't understand why anyone thinks NAT should be a fundamental part of the v6 internet Perhaps the ability to change service providers without having to renumber?

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Dave Pooser
IPv6's fundamental goal is to restore end-to-end. For some. For many, IPv6's fundamental goal is to keep doing what we've been doing without running out of addresses. The fact that the two camps have orthogonal goals is probably part of the reason the rate of growth on IPv6 is so slow. -- Dave

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread William Pitcock
On Wed, 2010-04-28 at 14:54 -0700, David Conrad wrote: On Apr 28, 2010, at 2:38 PM, Carl Rosevear wrote: I don't understand why anyone thinks NAT should be a fundamental part of the v6 internet Perhaps the ability to change service providers without having to renumber? DHCPv6 solves

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Mark Andrews
In message 01f57362-8092-48cb-8336-15b9cc171...@virtualized.org, David Conrad writes: On Apr 28, 2010, at 2:38 PM, Carl Rosevear wrote: I don't understand why anyone thinks NAT should be a fundamental part = of the v6 internet=20 Perhaps the ability to change service providers without

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread David Barak
--- On Wed, 4/28/10, Mark Smith na...@85d5b20a518b8f6864949bd940457dc124746ddc.nosense.org wrote: I'm not people are understanding or know the true reality. NAT broke the Internet's architecture, by turning IP from being a peer-to-peer protocol into a master/slave one (think mainframes and

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread David Conrad
Mark, On Apr 28, 2010, at 3:07 PM, Mark Andrews wrote: Perhaps the ability to change service providers without having to renumber? We have that ability already. Doesn't require NAT. Cool! You've figured out, e.g., how to renumber authoritative name servers that you don't have direct

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Mark Andrews
In message a3f2ff6f-afe3-4ed1-ad33-5b6277249...@virtualized.org, David Conrad writes: Mark, On Apr 28, 2010, at 3:07 PM, Mark Andrews wrote: Perhaps the ability to change service providers without having to = renumber? =20 We have that ability already. Doesn't require NAT. Cool!

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-28 Thread Valdis . Kletnieks
On Wed, 28 Apr 2010 14:54:04 PDT, David Conrad said: On Apr 28, 2010, at 2:38 PM, Carl Rosevear wrote: I don't understand why anyone thinks NAT should be a fundamental part of the v6 internet Perhaps the ability to change service providers without having to renumber? RFC4193 or PI address

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Andy Davidson
On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote: Did you use Yahoo IM, AIM, or Skype? Yes, yes, and yes. Works fine. What about every other service/protocol that users use today, and might be invented tomorrow ? Do will they all work with NAT ? Do many others work as well

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Matthew Kaufman
Andy Davidson wrote: On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote: Did you use Yahoo IM, AIM, or Skype? Yes, yes, and yes. Works fine. What about every other service/protocol that users use today, and might be invented tomorrow ? Do will they all work

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Nick Hilliard
On 27/04/2010 18:48, Matthew Kaufman wrote: Anyone inventing a new service/protocol that doesn't work with NAT isn't planning on success. You mean, like multisession bgp over tls? Nick, just sayin'

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Valdis . Kletnieks
On Tue, 27 Apr 2010 10:48:54 PDT, Matthew Kaufman said: Anyone inventing a new service/protocol that doesn't work with NAT isn't planning on success. Only true in the IPv4 world. IPv6 will hopefully be different. The answer to these questions isn't a good one for users, so as the

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Dave Israel
On 4/27/2010 1:36 PM, Andy Davidson wrote: On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote: Did you use Yahoo IM, AIM, or Skype? Yes, yes, and yes. Works fine. What about every other service/protocol that users use today, and might be invented tomorrow ? Do

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Jon Lewis
On Tue, 27 Apr 2010 valdis.kletni...@vt.edu wrote: The difference is that if a protocol wants to be end-to-end, I can fix a firewall to not break it. You don't have that option with a NAT. Maybe we want end-to-end to break. Firewalls can trivially be misconfigured such that they're little

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Owen DeLong
On Apr 27, 2010, at 10:48 AM, Matthew Kaufman wrote: Andy Davidson wrote: On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote: Did you use Yahoo IM, AIM, or Skype? Yes, yes, and yes. Works fine. What about every other service/protocol that users use today, and

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Valdis . Kletnieks
On Tue, 27 Apr 2010 14:37:08 EDT, Jon Lewis said: Maybe we want end-to-end to break. Firewalls can trivially be misconfigured such that they're little more than routers, fully exposing all the hosts behind them to everything bad the internet has to offer (hackers, malware looking to

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Matthew Kaufman
Owen DeLong wrote: On Apr 27, 2010, at 10:48 AM, Matthew Kaufman wrote: Andy Davidson wrote: On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote: Did you use Yahoo IM, AIM, or Skype? Yes, yes, and yes. Works fine. What about every

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Jon Lewis
On Tue, 27 Apr 2010 valdis.kletni...@vt.edu wrote: At least with NAT, if someone really screws up the config, the inside stuff is all typically on non-publicly-routed IPs, so the worst likely to happen is they lose internet, but at least the internet can't directly reach them. You *do*

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Owen DeLong
On Apr 27, 2010, at 11:49 AM, Matthew Kaufman wrote: Owen DeLong wrote: On Apr 27, 2010, at 10:48 AM, Matthew Kaufman wrote: Andy Davidson wrote: On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote: Did you use Yahoo IM, AIM, or Skype? Yes, yes,

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Valdis . Kletnieks
On Tue, 27 Apr 2010 14:54:07 EDT, Jon Lewis said: I think you forget where most networking is done. Monitoring? You mean something beyond walking down the hall to the network closet and seeing all the blinking lights are flashing really fast? That site will manage to chucklehead their

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Jon Lewis
On Tue, 27 Apr 2010 valdis.kletni...@vt.edu wrote: That site will manage to chucklehead their config whether or not it's NAT'ed. True...but when they do it and all their important stuff is in 192.168.0/24, you still can't reach it...and if they break NAT, at least their internet breaks.

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Owen DeLong
On Apr 27, 2010, at 2:25 PM, Jon Lewis wrote: On Tue, 27 Apr 2010 valdis.kletni...@vt.edu wrote: That site will manage to chucklehead their config whether or not it's NAT'ed. True...but when they do it and all their important stuff is in 192.168.0/24, you still can't reach it...and if

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread James Hess
On Tue, Apr 27, 2010 at 4:25 PM, Jon Lewis jle...@lewis.org wrote: breaks.  i.e. they'll know its broken.  When they change the default policy on the firewall to Accept/Allow all, everything will still work...until all their machines are infected with enough stuff to break them. The same is

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Mark Andrews
In message pine.lnx.4.61.1004271718210.5...@soloth.lewis.org, Jon Lewis writes: Both my kids run Win2k (to support old software that doesn't run well/at all post-2k). I doubt that's all that unusual. Then they won't have IPv6 and hence are irrelevent to the discussion about IPv6 NAT. As

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Matthew Kaufman
Owen DeLong wrote: On Apr 27, 2010, at 11:49 AM, Matthew Kaufman wrote: Owen DeLong wrote: On Apr 27, 2010, at 10:48 AM, Matthew Kaufman wrote: Andy Davidson wrote: On Tue, Apr 20, 2010 at 11:29:59AM -0400, John R. Levine wrote: Did you use

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Matthew Kaufman
James Hess wrote: Fortunately, the IPv6 address space is so large and sparse, that scanning it would be quite a feat, even if a random outside attacker already knew for a fact that a certain /64 probably contains a vulnerable host. All I need to do is run a popular web site on the IPv6

the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Josh Hoppes
I'll preface this that I'm more of an end user then a network administrator, but I do feel I have a good enough understanding of the protocols and network administration to submit my two cents. The issue I see with this level of NAT, is the fact that I don't expect that UPNP be implemented at

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-27 Thread Adrian Chadd
On Tue, Apr 27, 2010, Matthew Kaufman wrote: Fortunately, the IPv6 address space is so large and sparse, that scanning it would be quite a feat, even if a random outside attacker already knew for a fact that a certain /64 probably contains a vulnerable host. All I need to do is run a

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-21 Thread Jens Link
John R. Levine jo...@iecc.com writes: Did you run any services? Of course not, it's consumer DSL. I run services on my server which is somewhere else and tunnel in via ssh which, of course, works fine through NAT. Take a look at all those small SOHO storage boxes. They all offer web and

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-20 Thread John R. Levine
Did you use Yahoo IM, AIM, or Skype? Yes, yes, and yes. Works fine. Did you use any of those for Video Chat and/or to transfer files? Skype video chat, all the time, works fine. Don't remember about file transfer. Did you do any peer to peer filesharing? Yeah, I got the latest

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-20 Thread Mikael Abrahamsson
On Tue, 20 Apr 2010, John R. Levine wrote: Skype video chat, all the time, works fine. Don't remember about file transfer. Whenever I am behind NAT and talk to someone else who is behind NAT skype seems to lower the quality, my guess it's because it now bounces traffic via another

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-20 Thread Eliot Lear
On 4/20/10 6:38 PM, Mikael Abrahamsson wrote: On Tue, 20 Apr 2010, John R. Levine wrote: Skype video chat, all the time, works fine. Don't remember about file transfer. Whenever I am behind NAT and talk to someone else who is behind NAT skype seems to lower the quality, my guess it's

Re: the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

2010-04-20 Thread Mark Smith
On Tue, 20 Apr 2010 18:38:33 +0200 (CEST) Mikael Abrahamsson swm...@swm.pp.se wrote: On Tue, 20 Apr 2010, John R. Levine wrote: Skype video chat, all the time, works fine. Don't remember about file transfer. Whenever I am behind NAT and talk to someone else who is behind NAT skype