Re: IPv6 - real vs theoretical problems

2011-01-07 Thread Owen DeLong
On Jan 6, 2011, at 10:50 PM, Jima wrote: On 1/7/2011 12:11 AM, Owen DeLong wrote: That's a draft, and, it doesn't really eliminate the idea that /48s are generally a good thing so much as it recognizes that there might be SOME circumstances in which they are either not necessary or

Re: Problems with removing NAT from a network

2011-01-07 Thread Owen DeLong
On Jan 6, 2011, at 11:49 PM, Benson Schliesser wrote: On Jan 7, 2011, at 12:39 AM, Matthew Kaufman wrote: On 1/6/2011 9:28 PM, Dan Wing wrote: Skype could make it work with direct UDP packets in about 92% of cases, per Google's published direct-to-direct statistic at

Re: NIST IPv6 document

2011-01-07 Thread Mark Smith
On Thu, 6 Jan 2011 21:13:52 -0500 Jeff Wheeler j...@inconcepts.biz wrote: On Thu, Jan 6, 2011 at 8:47 PM, Owen DeLong o...@delong.com wrote: 1.      Block packets destined for your point-to-point links at your        borders. There's no legitimate reason someone should be Most networks do

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread sthaug
Are there any large transit networks doing /64 on point-to-point networks to BGP customers? Who are they? What steps have they taken to eliminate problems, if any? Our Global Crossing IPv6 transit is on a /64 Ethernet point-to-point. Steinar Haug, Nethelp consulting, sth...@nethelp.no

Re: NIST IPv6 document

2011-01-07 Thread Dobbins, Roland
On Jan 7, 2011, at 4:14 PM, Mark Smith wrote: Doesn't this risk already exist in IPv4? There are various vendor knobs/features to ameliorate ARP-level issues in switching gear. Those same knobs aren't viable in IPv6 due to the way ND/NS work, and as you mention, the ND stuff is

Re: Problems with removing NAT from a network

2011-01-07 Thread Dobbins, Roland
On Jan 7, 2011, at 4:02 PM, Owen DeLong wrote: No, it hasn't always been a Bad Idea. Yes, it has. There're lots of issues with embedding IP addresses directly into apps and so forth which have nothing to do with NAT.

Re: NIST IPv6 document

2011-01-07 Thread Robert E. Seastrom
Kevin Oberman ober...@es.net writes: The next ship will be departing in a hundred years or so, advance registration for the IPv7 design committee are available over there. Sorry, but IPv7 has come and gone. It was assigned to the TUBA proposal, basically replacing IP with CLNP. IPv8 has

Re: NANOG 51 (Miami): ISP Security BOF

2011-01-07 Thread Patrick W. Gilmore
On Jan 6, 2011, at 8:01 PM, Paul Scanlon wrote: NANOG 51 in Miami is rapidly approaching, January 30 - February 2, and we are looking for topics for the ISP Security BOF. Eric Osterweil and I are going to be moderating this year with the assistance of Danny McPherson. We would very much

Re: NIST IPv6 document

2011-01-07 Thread Tim Chown
On 6 Jan 2011, at 17:17, Jack Bates wrote: A randomly setup ssh server without DNS will find itself brute force attacked. Darknets are setup specifically for detection of scans. One side effect of v6, is determining how best to deploy darknets, as we can't just take one or two blocks to

Re: NIST IPv6 document

2011-01-07 Thread Tim Chown
On 6 Jan 2011, at 18:20, Owen DeLong wrote: On Jan 5, 2011, at 7:18 PM, Dobbins, Roland wrote: On Jan 6, 2011, at 10:08 AM, Joe Greco wrote: Packing everything densely is an obvious problem with IPv4; we learned early on that having a 48-bit (32 address, 16 port) space to scan made

Re: NIST IPv6 document

2011-01-07 Thread David Sparro
On 1/6/2011 6:23 PM, Dobbins, Roland wrote: On Jan 6, 2011, at 9:29 PM, Joe Greco wrote: Sorry, but I see this as not grasping a fundamental security concept. I see it as avoiding a common security misconception. I find that the security Layers advocates tend not to look at the

Re: NIST IPv6 document

2011-01-07 Thread TJ
On Thu, Jan 6, 2011 at 21:13, Jeff Wheeler j...@inconcepts.biz wrote: On Thu, Jan 6, 2011 at 8:47 PM, Owen DeLong o...@delong.com wrote: 1. Block packets destined for your point-to-point links at your borders. There's no legitimate reason someone should be Most networks do not

Re: Problems with removing NAT from a network

2011-01-07 Thread Jack Bates
On 1/7/2011 4:44 AM, Dobbins, Roland wrote: Yes, it has. There're lots of issues with embedding IP addresses directly into apps and so forth which have nothing to do with NAT. Embedding into apps isn't the same as embedding into protocol packets. While NAT and stateful firewalls do tend to

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread Tim Chown
On 7 Jan 2011, at 06:11, Owen DeLong wrote: That's a draft, and, it doesn't really eliminate the idea that /48s are generally a good thing so much as it recognizes that there might be SOME circumstances in which they are either not necessary or insufficient. As a draft, it hasn't been

Re: NIST IPv6 document

2011-01-07 Thread Jack Bates
On 1/7/2011 8:17 AM, Tim Chown wrote: As RFC6018 suggests, this could be done dynamically on any given active subnet. Unfortunately, I don't see support for it in major router vendors for service providers. Currently, flow + arp/ND/routing tables are utilized to determine a variety of

Re: NIST IPv6 document

2011-01-07 Thread Dobbins, Roland
On Jan 7, 2011, at 9:30 PM, TJ wrote: Today (IPv4) they may not, but many recommendations for tomorrow (IPv6) are to use discrete network allocations for your infrastructure (loopbacks and PtP links, specifically) and to filter traffic destined to those at your edges ... Actually, this

Re: NIST IPv6 document

2011-01-07 Thread Dobbins, Roland
On Jan 7, 2011, at 9:23 PM, Tim Chown wrote: The main operational problem we see is denial of service caused by unintentional IPv6 RAs from hosts. Which is a whole other can of IPv6 worms, heh. ; Roland Dobbins

Re: NIST IPv6 document

2011-01-07 Thread TJ
On Fri, Jan 7, 2011 at 09:57, Dobbins, Roland rdobb...@arbor.net wrote: On Jan 7, 2011, at 9:23 PM, Tim Chown wrote: The main operational problem we see is denial of service caused by unintentional IPv6 RAs from hosts. Which is a whole other can of IPv6 worms, heh. But atleast we are

Re: NIST IPv6 document

2011-01-07 Thread TJ
On Fri, Jan 7, 2011 at 09:56, Dobbins, Roland rdobb...@arbor.net wrote: On Jan 7, 2011, at 9:30 PM, TJ wrote: Today (IPv4) they may not, but many recommendations for tomorrow (IPv6) are to use discrete network allocations for your infrastructure (loopbacks and PtP links, specifically)

RE: Problems with removing NAT from a network

2011-01-07 Thread Dan Wing
On 1/6/2011 9:28 PM, Dan Wing wrote: -Original Message- From: Matthew Kaufman [mailto:matt...@matthew.at] Not really. Imagine the case where you're on IPv6 and you can only reach IPv4 via a NAT64, and there's no progress made on the detection problem. And your family member

Re: Problems with removing NAT from a network

2011-01-07 Thread Jared Mauch
On Jan 7, 2011, at 5:44 AM, Dobbins, Roland wrote: On Jan 7, 2011, at 4:02 PM, Owen DeLong wrote: No, it hasn't always been a Bad Idea. Yes, it has. There're lots of issues with embedding IP addresses directly into apps and so forth which have nothing to do with NAT. Let me know

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread Devon True
On 1/6/2011 9:01 PM, Jeff Wheeler wrote: Are there any large transit networks doing /64 on point-to-point networks to BGP customers? Who are they? Our Qwest and TW Telecom links are /64. -- Devon

asymmetric routes/security concerns/Fortinet

2011-01-07 Thread Greg Whynott
Hello, we have multiple internet connections of which one is a research network where many medical institutions and universities are also connected to threw out the country. This research network (ORION) also has internet access but is not meant to be used as a primary path to the internet

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread Randy McAnally
-- Original Message --- From: Jeff Wheeler j...@inconcepts.biz Sent: Thu, 6 Jan 2011 21:01:12 -0500 Are there any large transit networks doing /64 on point-to-point networks to BGP customers? Who are they? Add HE.net to the list. -Randy www.fastserv.com

Re: asymmetric routes/security concerns/Fortinet

2011-01-07 Thread John Kristoff
On Fri, 7 Jan 2011 12:40:32 -0500 Greg Whynott greg.whyn...@oicr.on.ca wrote: we have multiple internet connections of which one is a research network where many medical institutions and universities are also connected to threw out the country. This research network (ORION) also has internet

Re: asymmetric routes/security concerns/Fortinet

2011-01-07 Thread Greg Whynott
Thanks John for your input. You are correct, ORION is a dedicated high speed research network. Based on the fact that we access ORION via one of our ISPs (3rd party, we don't BGP/directly peer with ORION), I'm not sure if i can use this solution here. I could do that for the routes

Re: NIST IPv6 document

2011-01-07 Thread Justin M. Streiner
On Thu, 6 Jan 2011, Jeff Wheeler wrote: On Thu, Jan 6, 2011 at 8:47 PM, Owen DeLong o...@delong.com wrote: 1.      Block packets destined for your point-to-point links at your        borders. There's no legitimate reason someone should be Most networks do not do this today. Whether or not

Re: asymmetric routes/security concerns/Fortinet

2011-01-07 Thread Ken Chase
On Fri, Jan 07, 2011 at 01:56:00PM -0500, Greg Whynott said: Based on the fact that we access ORION via one of our ISPs (3rd party, we don't BGP/directly peer with ORION), I'm not sure if i can use this solution here. I could do that for the routes learned from that ISP, but we receive

Re: asymmetric routes/security concerns/Fortinet

2011-01-07 Thread Anthony Pardini
You can allow asymmetric traffic on the Fortinet, but you lose some functionality. Firewalls aren't routers and pretty much all of them behave in the similar manner. On Fri, Jan 7, 2011 at 11:40 AM, Greg Whynott greg.whyn...@oicr.on.ca wrote: Hello, we have multiple internet connections of

Re: NIST IPv6 document

2011-01-07 Thread Owen DeLong
On Jan 7, 2011, at 6:23 AM, Tim Chown wrote: On 6 Jan 2011, at 18:20, Owen DeLong wrote: On Jan 5, 2011, at 7:18 PM, Dobbins, Roland wrote: On Jan 6, 2011, at 10:08 AM, Joe Greco wrote: Packing everything densely is an obvious problem with IPv4; we learned early on that having

Re: Problems with removing NAT from a network

2011-01-07 Thread Owen DeLong
On Jan 7, 2011, at 6:32 AM, Jack Bates wrote: On 1/7/2011 4:44 AM, Dobbins, Roland wrote: Yes, it has. There're lots of issues with embedding IP addresses directly into apps and so forth which have nothing to do with NAT. Embedding into apps isn't the same as embedding into protocol

RE: IPv6 - real vs theoretical problems

2011-01-07 Thread Deepak Jain
Thanks Grant, I've already read this. :) I have no problem with enabling /64s for everyone/everything in the future, as the equipment capability increases, but right now there are real concerns about en masse deployment and the vulnerabilities we open our hardware to. Which is why I was

Re: asymmetric routes/security concerns/Fortinet

2011-01-07 Thread Greg Whynott
Thanks Ken, Some good stuff there, thanks. Since my original email, i think i've come up with a partial solution not requiring the far end's involvement. If not, at least it would get us into a better position to utilize the ORION network when possible. We peer over a L2 tunnel with

Re: asymmetric routes/security concerns/Fortinet

2011-01-07 Thread Ken Chase
On Fri, Jan 07, 2011 at 03:13:02PM -0500, Greg Whynott said: Thanks Ken, Some good stuff there, thanks. Since my original email, i think i've come up with a partial solution not requiring the far end's involvement. If not, at least it would get us into a better position to

Re: Problems with removing NAT from a network

2011-01-07 Thread Jack Bates
On 1/7/2011 1:47 PM, Owen DeLong wrote: Compatibility addresses don't work on the wire. They're not supposed to. It's a huge problem if they do. Sounds like someone should have developed more than 1 compatibility addressing then. Jack

RE: IPv6 - real vs theoretical problems

2011-01-07 Thread Deepak Jain
http://www.ietf.org/mail-archive/web/v6ops/current/msg06820.html Jima Just skimming through the draft: 1) It is no longer recommended that /128s be given out. While there may be some cases where assigning only a single address may be justified, a site by

Starbucks network admins

2011-01-07 Thread Harvey, Chris
Does anyone have any good contacts for Starbucks network admins? -- Chris Harvey Distinguished Engineer o: 703-939-8479 m: 703-967-4229

RE: IPv6 - real vs theoretical problems

2011-01-07 Thread Mikael Abrahamsson
On Fri, 7 Jan 2011, Deepak Jain wrote: least technical user base. (side note, if I were a residential ISP I'd configure a /64 to my highly-controlled CPE router and issue /128s to each and every device that plugged in on the customer site, and only one per MAC and have a remotely configurable

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread William Herrin
On Fri, Jan 7, 2011 at 3:29 PM, Deepak Jain dee...@ai.net wrote: Question - Whatever happened to the concept of a customer coming to their SP for more space? [E]very week we could widen their subnet without causing any negative impact on them? Clever folks figured that making the customer

Re: NIST IPv6 document

2011-01-07 Thread Mark Smith
On Fri, 7 Jan 2011 09:38:32 + Dobbins, Roland rdobb...@arbor.net wrote: On Jan 7, 2011, at 4:14 PM, Mark Smith wrote: Doesn't this risk already exist in IPv4? There are various vendor knobs/features to ameliorate ARP-level issues in switching gear. Those same knobs aren't

BGP Update Report

2011-01-07 Thread cidr-report
BGP Update Report Interval: 30-Dec-10 -to- 06-Jan-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS18025 31461 3.2% 873.9 -- ACE-1-WIFI-AS-AP Ace-1 Wifi Network 2 - AS17974

The Cidr Report

2011-01-07 Thread cidr-report
This report has been generated at Fri Jan 7 21:11:48 2011 AEST. The report analyses the BGP Routing Table of AS2.0 router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org for a current version of this report. Recent Table History Date

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread Owen DeLong
On Jan 7, 2011, at 10:12 AM, Randy McAnally wrote: -- Original Message --- From: Jeff Wheeler j...@inconcepts.biz Sent: Thu, 6 Jan 2011 21:01:12 -0500 Are there any large transit networks doing /64 on point-to-point networks to BGP customers? Who are they? Add HE.net

Re: NIST IPv6 document

2011-01-07 Thread Owen DeLong
On Jan 7, 2011, at 7:12 AM, Justin M. Streiner wrote: On Thu, 6 Jan 2011, Jeff Wheeler wrote: On Thu, Jan 6, 2011 at 8:47 PM, Owen DeLong o...@delong.com wrote: 1. Block packets destined for your point-to-point links at your borders. There's no legitimate reason someone should

Re: asymmetric routes/security concerns/Fortinet

2011-01-07 Thread John Kristoff
On Fri, 7 Jan 2011 13:56:00 -0500 Greg Whynott greg.whyn...@oicr.on.ca wrote: the localpref is something I'll look at, thanks for that. I'm not a BGP expert by any stretch, and our requirements here are simple. we are not a transit.I've only attempted to make the config safe, not

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread Owen DeLong
On Jan 7, 2011, at 12:29 PM, Deepak Jain wrote: http://www.ietf.org/mail-archive/web/v6ops/current/msg06820.html Jima Just skimming through the draft: 1) It is no longer recommended that /128s be given out. While there may be some cases where assigning only a single

Re: NIST IPv6 document

2011-01-07 Thread Owen DeLong
On Jan 7, 2011, at 1:28 PM, Mark Smith wrote: On Fri, 7 Jan 2011 09:38:32 + Dobbins, Roland rdobb...@arbor.net wrote: On Jan 7, 2011, at 4:14 PM, Mark Smith wrote: Doesn't this risk already exist in IPv4? There are various vendor knobs/features to ameliorate ARP-level issues

Gmail Contact

2011-01-07 Thread Mikeal Clark
I'm having some issues with personal domains that forward to gmail being blacklist. If anyone from gmail would be available to talk through it with me offlist I would greatly appreciate it. Thanks, Mikeal

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread Dobbins, Roland
On Jan 8, 2011, at 3:29 AM, Deepak Jain wrote: There are now years of security dogma that says NAT is a good thing, Actually, this isn't the case. There's some *security theater* dogma which makes totally unsupported claims about the supposed security benefits of NAT, but that's not quite

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread Dobbins, Roland
On Jan 8, 2011, at 5:44 AM, Owen DeLong wrote: You say dogma, I say mythology. Concur 100%. Stateful inspection provides security. To clarify, stateful inspection only provides security in a context where there's state to inspect - i.e., at the southernmost end of access networks,

Re: NIST IPv6 document

2011-01-07 Thread Dobbins, Roland
On Jan 8, 2011, at 4:28 AM, Mark Smith wrote: The problem is that somebody on the Internet could send 1000s of UDP packets (i.e. an offlink traffic source) towards destinations that don't exist on the target subnet. I meant to type 'ND-triggering stuff', concur 100%.

Re: asymmetric routes/security concerns/Fortinet

2011-01-07 Thread Randy Bush
you have sent a message to me which seems to contain a legal warning on who can read it, or how it may be distributed, or whether it may be archived, etc. i do not accept such email. my mail user agent detected a legal notice when i was opening your mail, and automatically deleted it. so do not

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread William Herrin
On Fri, Jan 7, 2011 at 8:02 PM, Dobbins, Roland rdobb...@arbor.net wrote: NAT has no inherent security benefits whatsoever. Hi Roland, With that statement, you paint with a remarkably broad brush. As you know, folks use (or perhaps misuse) the term NAT to describe everything from RFC 1631 to

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread Dobbins, Roland
On Jan 8, 2011, at 8:54 AM, William Herrin wrote: I presume you don't intend us to conclude that a bastion host firewall provides no security benefit to the equipment it protects. If it's protecting workstations, yes, it has some positive security value - but not due to NAT. If it's

Re: IPv6 - real vs theoretical problems

2011-01-07 Thread William Herrin
On Fri, Jan 7, 2011 at 9:00 PM, Dobbins, Roland rdobb...@arbor.net wrote: On Jan 8, 2011, at 8:54 AM, William Herrin wrote: I presume you don't intend us to conclude that a bastion host firewall provides no security benefit to the equipment it protects. If it's protecting workstations, yes,

RE: FAA - ASDI servers

2011-01-07 Thread Ryan Finnesey
I wanted to thank everyone for both their online and offline replies. At this time the FAA does not support IPv6 to connect to the ASDI servers. Cheers Ryan -Original Message- From: Merike Kaeo [mailto:mer...@doubleshotsecurity.com] Sent: Wednesday, January 05, 2011 12:14 AM To: Ryan

Re: AltDB?

2011-01-07 Thread Paul Vixie
note that while i am also an ARIN trustee, i am speaking here as what randy calls just another bozo on this bus. for further background, ISC has done some rpki work and everybody at ISC including me likes rpki just fine. when the ARIN board was first considering funding ISC to do some early rpki

Re: AltDB?

2011-01-07 Thread Randy Bush
[ caveat: i am *one of* the architects of all this, and am paid to work on it, currently (indirectly) by the usg dhs. ] for background, the other four rirs have rolled rpki out in the last weeks, apnic and afrinic with the up/down protocol, ripe web only, and i am not well informed about

Re: AltDB?

2011-01-07 Thread David Conrad
Paul, On Jan 7, 2011, at 7:33 PM, Paul Vixie wrote: The definition of what comes under the public policy mailing list umbrella has always been a bit confusing to me. Too bad something like the APNIC SIGs and RIPE Working Groups don't really exist in the ARIN region. do you have a specific

arin and ops fora (was: AltDB? RPKI, the universe, and ...)

2011-01-07 Thread Randy Bush
The issue I see is that there are non-address allocation{, policy} topics that can deeply affect network operations in which ARIN has a direct role, yet network operators (outside of the normal ARIN participants) have no obvious mechanism in which to comment/discuss/etc. Examples would