Re: Typical additional latency for CGN?

2012-10-08 Thread Valdis . Kletnieks
On Sun, 07 Oct 2012 16:47:18 -0400, Tom Limoncelli said: Have there been studies on how much latency CGN adds to a typical internet user? I'd also be interested in anecdotes. Should we include the time spent talking to the help desk trying to resolve double-NAT'ing issues in the latency?

Re: best way to create entropy?

2012-10-11 Thread Valdis . Kletnieks
On Thu, 11 Oct 2012 19:20:02 -0500, Jimmy Hess said: You could setup a video capture card or radio tuner card, tune it into a good noise source Finally, a good use for political talk radio. :) pgpGRW6vGgt7E.pgp Description: PGP signature

Re: Detection of Rogue Access Points

2012-10-15 Thread Valdis . Kletnieks
On Mon, 15 Oct 2012 13:11:00 +1100, Karl Auer said: No-one has said this yet, so I will - why are people working around your normal network policies? This is often a sign of something lacking that people need in their daily work. You can often reduce this sort of innocent thievery down to a

Re: Internet-wide port scans

2012-10-16 Thread Valdis . Kletnieks
On Tue, 16 Oct 2012 08:48:47 -0400, Darius Jahandarie said: On Tue, Oct 16, 2012 at 12:57 AM, Scott Weeks sur...@mauigateway.com wrote: Want to re-write that section or should I respond now? ;-) I always thought it wasn't allowed because of 18 USC 2701, but IINAL, would be happy to hear

Re: Internet-wide port scans

2012-10-16 Thread Valdis . Kletnieks
On Tue, 16 Oct 2012 11:38:52 -0400, Darius Jahandarie said: In particular, my understanding was that since you're sending a SYN, it could very well initiate access to stored communications (although What 18 USC 2701 actually says, courtesy of www.law.cornell.edu: Offense. - Except as provided

Re: IOS architecture

2012-10-29 Thread Valdis . Kletnieks
On Sat, 27 Oct 2012 11:16:10 +0100, Darren O'Connor said: All vendors should be writing in depth architecture books. The Juniper MX book is a great example. Tell us exactly what your product can do and we'll likely use more of it On the flip side, if you document what your product is probably

Re: IPv6 Netowrk Device Numbering BP

2012-11-01 Thread Valdis . Kletnieks
On Thu, 01 Nov 2012 14:28:48 +0100, Miquel van Smoorenburg said: We use a /120 subnet for servers to prevent the NDP cache exhaustion attack. We do maintain a mapping between IPv4 and IPv6 addresses; it's simply 2001:db8:vv:ww::xx, where xx is the hex value of the last octet of the IPv4

Re: IPv6 Netowrk Device Numbering BP

2012-11-05 Thread Valdis . Kletnieks
On Sat, 03 Nov 2012 00:44:14 -0500, Randy said: Veering off this topic's course, Is there any issue with addresses like this ? 2001:470:1f00:1aa:abad:babe:8:beef I have a bunch of these type 'addresses' configured for my various machines. I make it a point to come up with some sort of

Re: authority to route?

2012-11-16 Thread Valdis . Kletnieks
On Thu, 15 Nov 2012 23:05:39 -0800, Kyle Creyts said: Jeez, isn't RPKI supposed to solve this problem? That would presume the existence of a deployed system that everybody actually used. pgpSBbgRGoEqE.pgp Description: PGP signature

Re: Fiber terminations -- UPC vs APC

2012-11-19 Thread Valdis . Kletnieks
On Mon, 19 Nov 2012 16:37:05 -0500, Jeff Kell said: The video folks are set, determined, and insistent that they need APC terminations. All data references I have found preach UPC. Remember - the nozzles on unleaded gas pumps aren't interchangeable with the ones that dispense leaded gas (if

Re: William was raided for running a Tor exit node. Please help if

2012-12-04 Thread Valdis . Kletnieks
On Tue, 04 Dec 2012 17:32:01 +, Brian Johnson said: This is a misleading statement. ISP's (Common carriers) do not provide a knowingly illegal offering, ... TOR exit/entrance nodes provide only the former. This is also a misleading statement. Explain the difference between a consumer

Re: China Telecom VPN problems (again)

2012-12-05 Thread Valdis . Kletnieks
On Wed, 05 Dec 2012 19:48:31 +, Warren Bailey said: Since when is heavy encryption cool in China? Export restrictions smoke all of the decent crypto options. OK, I'll bite.. What crypto options are getting stuck due to export restrictions (as opposed to import restrictions on the other

Re: NANOG Digest, Vol 59, Issue 30

2012-12-07 Thread Valdis . Kletnieks
On Sat, 08 Dec 2012 10:34:07 +1100, Carl Gough said: Looking for a sales engineer I doubt NANOG is the place for you to find sales engineers to work for a company where the CEO is clueless enough to do all of the following in 1 email: 1) Reply to a digest, and not fix the Subject: 2) Not clean

Re: 32-bit ASes at routeviews

2012-12-17 Thread Valdis . Kletnieks
On Sun, 16 Dec 2012 23:48:13 +0100, Iljitsch van Beijnum said: Looking for 32-bit AS numbers, I get some strange results from routeviews: Unless I missed something, AS 23456 is supposed to show up as a stand-in for 32-bit ASNs on 16-bit BGP implementations, not in _addition_ to 32-bit ASNs.

Re: William was raided for running a Tor exit node. Please help if you can.

2012-12-17 Thread Valdis . Kletnieks
On Mon, 17 Dec 2012 16:28:28 -0500, Peter Kristolaitis said: Now, having said all that... I'm not sure I'd want to pay the electricity bill for keeping that degausser running... :p An EMP device doesn't have to chew power all the time... And of course, there's this:

Re: why haven't ethernet connectors changed?

2012-12-24 Thread Valdis . Kletnieks
On Sat, 22 Dec 2012 18:07:16 -0700, Wayne E Bouchard said: They serve quite well until I get to a switch that some douchebag mounted rear facing on the front posts of the rack with servers above and below and I just stand there cursing for a while as I scratch my head trying to figure out how

Re: Gmail and SSL

2013-01-02 Thread Valdis . Kletnieks
On Sun, 30 Dec 2012 19:25:04 -0600, Jimmy Hess said: I would say those claiming certificates from a public CA provide no assurance of authentication of server identity greater than that of a self-signed one would have the burden of proof to show that it is no less likely for an attempted

Re: Gmail and SSL

2013-01-02 Thread Valdis . Kletnieks
On Wed, 02 Jan 2013 12:10:55 -0800, George Herbert said: Google is setting a higher bar here, which may be sufficient to deter a lot of bots and script kiddies for the next few years, but it's not enough against nation-state or serious professional level attacks. To be fair though - if I was

Re: Gmail and SSL

2013-01-02 Thread Valdis . Kletnieks
On Wed, 02 Jan 2013 19:59:35 -0800, Damian Menscher said: Aurora compromised at least 20 other companies, failed at its assumed objective of seeing user data, and Google was the only organization to notice, let alone have the guts to expose the attack [0]. And you're going to hold that

Re: Gmail and SSL

2013-01-02 Thread Valdis . Kletnieks
On Wed, 02 Jan 2013 21:14:31 -0800, Damian Menscher said: We're off-topic, but that decision needs to be weighed against the alternatives. If your alternative is running your own mailserver at home, then your risks are: Let's face it - if a nation-state has you in the crosshairs, digital or

Re: Issues with level3?

2013-01-15 Thread Valdis . Kletnieks
On Tue, 15 Jan 2013 14:52:24 -0500, Joe Maimon said: I only ever say class-c sized. And only when trying to communicate with the slash-whats. Your mistake there is trying to communicate with people who have been in networking long enough to understand class-c, but *still* haven't educated

Re: Slashdot: UK ISP PlusNet Testing Carrier-Grade NAT Instead of IPv6

2013-01-18 Thread Valdis . Kletnieks
On Thu, 17 Jan 2013 18:21:28 -0500, William Herrin said: Then it's a firewall that mildly enhances protection by obstructing 90% of the port scanning attacks which happen against your computer. It's a free country so you're welcome to believe that the presence or absence of NAT has no impact

Re: Slashdot: UK ISP PlusNet Testing Carrier-Grade NAT Instead of IPv6

2013-01-18 Thread Valdis . Kletnieks
On Fri, 18 Jan 2013 09:03:31 -0500, William Herrin said: On the technical side, enterprises have been doing large-scale NAT for more than a decade now without any doomsday consequences. CGN is not different. Corporate enterprises have been pushing GPO to the desktop for more than a decade as

Re: Slashdot: UK ISP PlusNet Testing Carrier-Grade NAT Instead of IPv6

2013-01-19 Thread Valdis . Kletnieks
On Sat, 19 Jan 2013 06:26:53 +, Mike Jones said: Potentially another source of IPv4 addresses - every content network (/hosting provider/etc) that decides they don't want to give their customers IPv6 reachability is a future bankrupt ISP with a load of IPv4 to sell off :) The problem is

Re: EQUINIX

2013-01-21 Thread Valdis . Kletnieks
On Mon, 21 Jan 2013 09:17:48 +, Carlos Alcantar said: I would agree here cross connects. We pay 15x more in cross connects per month then we do in just the space/power. We actually pulled out of a colo once our contract came to terms with one of the large colo providers because of the

Re: Suggestions for the future on your web site: (was cookies, and before that Re: Dreamhost hijacking my prefix...)

2013-01-22 Thread Valdis . Kletnieks
On Mon, 21 Jan 2013 23:23:16 -0500, Jean-Francois Mezei said: This article may be of interest: http://arstechnica.com/security/2013/01/canadian-student-expelled-for-playing-security-white-hat/ Basically, a Montreal student, developping mobile software to interface with schools system found

Re: IPV6 in enterprise best practices/white papaers

2013-01-28 Thread Valdis . Kletnieks
On Sat, 26 Jan 2013 10:26:43 +0100, Pavel Dimow said: Hi, I have read many of those ipv6 documents and they are great but I still luck to find something like real word scenario. I wish I had taken notes when we actually did this last century. pgpeb2r7wChr6.pgp Description: PGP signature

Re: Looking for success stories in Qwest/Centurylink land

2013-01-29 Thread Valdis . Kletnieks
On Tue, 29 Jan 2013 01:20:25 -0500, Rob McEwen said: The market will eventually sort this out... and in many cases already has! Meanwhile, Amtrack and the Post Office show no signs of ever making it without their MASSIVE taxpayer subsidies. I can't speak to Amtrack, but a large part of the

Re: NYT covers China cyberthreat

2013-02-20 Thread Valdis . Kletnieks
On Wed, 20 Feb 2013 15:39:42 +0900, Randy Bush said: boys and girls, all the cyber-capable countries are cyber-culpable. you can bet that they are all snooping and attacking eachother, the united states no less than the rest. news at eleven. The scary part is that so many things got hacked

Re: bgp for ipv6 question

2013-02-21 Thread Valdis . Kletnieks
On Thu, 14 Feb 2013 13:18:24 -0800, Owen DeLong said: On Feb 14, 2013, at 12:58 , Karl Auer ka...@biplane.com.au wrote: On Thu, 2013-02-14 at 08:08 -0500, Jared Mauch wrote: I recommend keeping your network as congruent between IPv4 and IPv6 as possible, with dual-stack. Why? For one

Re: NYT covers China cyberthreat

2013-02-21 Thread Valdis . Kletnieks
On Fri, 22 Feb 2013 06:11:21 +0530, Suresh Ramasubramanian said: And so their bush league by itself was responsible for all the penetrations that mandiant says they did? Which shows that they don't have to be particularly smart, just a bit smarter than their average spear phish or other

Re: What are you doing about Six Strikes?

2013-02-25 Thread Valdis . Kletnieks
On Mon, 25 Feb 2013 13:05:48 -0500, Joly MacFie said: Who said it's a law? If it was in fact a law, it would be a lot easier for the victims to fight back in a court of law. pgpYuNrgemCzm.pgp Description: PGP signature

Re: What are you doing about Six Strikes?

2013-02-25 Thread Valdis . Kletnieks
On Mon, 25 Feb 2013 20:07:43 +, Livingood, Jason said: Other than a few IP mix ups years ago, is this still really an issue? It seems ISPs have pretty reliable IP lease histories for many years to support LEA requests and other needs... The fact that the ISP has a good record of what

Re: SDN - Killer Apps

2013-02-25 Thread Valdis . Kletnieks
On Mon, 25 Feb 2013 13:53:13 +0530, Glen Kent said: Yahoo, Google, etc applications are running on one server and each application could be theoretically associated with a unique VXLAN tag. This way service providers will be able to provide QoS per application QoS is, when you get down to it,

Re: Should host/domain names travel over the internet with a trailing dot?

2013-02-26 Thread Valdis . Kletnieks
On Mon, 25 Feb 2013 19:07:20 -0600, Jimmy Hess said: If the domain in a certificate were not interpreted as a FQDN by the client, this would mean, that the certificate for CN=bigbank.example.com might be used to authenticate a connection to https://bigbank.example.com which do the local

Re: 10 Mbit/s problem in your network

2013-02-26 Thread Valdis . Kletnieks
On Tue, 26 Feb 2013 17:45:18 -0800, Jeroen van Aart said: Correct, one should not have expectations of fast reliable internet with low latency in a hotel. The part that always puzzled me is why a major high-tier chain like Hilton can't get it right, but a Motel 6 can... :) pgp_nmdk5jzCn.pgp

Re: cannot access some popular websites from Linode, geolocation is wrong, ARIN is to blame?

2013-03-03 Thread Valdis . Kletnieks
On Sun, 03 Mar 2013 00:24:07 +, Mike Jones said: Inline Reply On 2 March 2013 21:58, Constantine A. Murenin muren...@gmail.com wrote: Dear NANOG@, Have we *really* sunk so low that inline replies need to be flagged as such, because people *expect* top-posting and if they don't see it

Re: Cloudflare is down

2013-03-04 Thread Valdis . Kletnieks
On Mon, 04 Mar 2013 20:40:58 +0200, Saku Ytti said: Most people design only against 3), often with design which actually increases likelihood of 2) and 1), reducing overall MTBF on design which strictly theoretically increases it. I have to admit I've always suspect that MTBWTF would be a

Re: What Should an Engineer Address when 'Selling' IPv6 to Executives?

2013-03-05 Thread Valdis . Kletnieks
On Tue, 05 Mar 2013 21:55:14 +0400, Mukom Akong T. said: I've found myself thinking about what ground an engineer needs to cover in order to convince the executives to approve and commit to an IPv6 Deployment project. You forgot step 0 - figuring out why in 2013, you're talking to an

Re: Is multihoming hard? [was: DNS amplification]

2013-03-22 Thread Valdis . Kletnieks
On Wed, 20 Mar 2013 15:16:57 -0500, Owen DeLong said: On Mar 20, 2013, at 9:55 AM, Seth Mattinen se...@rollernet.us wrote: Based on the average clue of your average residential subscriber (anyone here need not apply) I'd say that's a good thing. If BGP were plug-and-play automated with

Re: Is multihoming hard? [was: DNS amplification]

2013-03-25 Thread Valdis . Kletnieks
On Sat, 23 Mar 2013 11:28:07 -0700, Owen DeLong said: A reliable cost-effective means for FTL signaling is a hard problem without a known solution. Agreed. An idiot-proof simple BGP configuration is a well known solution. Automating it would be relatively simple if there were the will to do

Re: Open Resolver Problems

2013-03-25 Thread Valdis . Kletnieks
On Mon, 25 Mar 2013 10:22:08 -0400, Jared Mauch said: Some basic stats: 27 million resolvers existed as of this dataset collection only 2.1 million of them were closed. We have a lot to do to close the hosts, please do what you can to help. What's the current BCP on how to deal with mobile

Re: Open Resolver Problems

2013-03-25 Thread Valdis . Kletnieks
On Mon, 25 Mar 2013 15:38:01 -, Nick Hilliard said: On 25/03/2013 14:33, Mikael Abrahamsson wrote: I would like to be able to request an IP list of open resolvers in my ASN, perhaps sent to the contact details in RIPE whois database to make sure I'm not falsely representing that ASN.

Re: Open Resolver Problems

2013-03-26 Thread Valdis . Kletnieks
On Mon, 25 Mar 2013 23:19:31 -0400, Christopher Morrow said: Some of us have both publicly-facing authoritative DNS, and inward facing recursive servers that may be open resolvers but can't be found via NS entries (so the IP addresses of those aren't exactly publicly available info).

Re: Open Resolver Problems

2013-03-26 Thread Valdis . Kletnieks
On Tue, 26 Mar 2013 08:13:49 -, Nick Hilliard said: Then wait for a while while it churns through the ~224*2^24 packets it needs to scan the entire ipv4 internet. Of course, you could write your own code, but that would take at least 1/2 an hour. Then you have every open resolver on the

Re: BCP38 - Internet Death Penalty

2013-03-26 Thread Valdis . Kletnieks
On Tue, 26 Mar 2013 10:51:45 -0400, Jay Ashworth said: Do we need to define a flag day, say one year hence, and start making the sales pitch to our Corporate Overlords that we need to apply the IDP to edge connections which cannot prove they've implemented BCP38 (or at very least, the source

Re: Open Resolver Problems

2013-03-26 Thread Valdis . Kletnieks
On Tue, 26 Mar 2013 07:43:15 -0700, Tom Paseka said: On Tue, Mar 26, 2013 at 7:38 AM, Jay Ashworth j...@baylink.com wrote: Sure. But OpenDNS, Google, and the other providers of recursive servers for edge cases can't do that anymore? Of cos they can. But they take the security of their

Re: Open Resolver Problems

2013-03-26 Thread Valdis . Kletnieks
On Tue, 26 Mar 2013 12:59:25 -0400, Harry Hoffman said: https://developers.google.com/speed/public-dns/docs/security Thanks :) pgpAXDRcrd5O4.pgp Description: PGP signature

Re: DNS for mobile devices

2013-03-26 Thread Valdis . Kletnieks
On Tue, 26 Mar 2013 13:09:53 -0400, Joe Abley said: What mobile devices do you support that don't acquire a suitable local DNS resolver using DHCP or PPP? Pretty much all devices are *able* to acquire a DNS resolver via DHCP. Honest question. I presume you wouldn't bring it up if it wasn't

Re: BCP38 - Internet Death Penalty

2013-03-26 Thread Valdis . Kletnieks
On Wed, 27 Mar 2013 12:01:25 +1100, Mark Andrews said: If you are with a ISP that does not practice BCP 38 are you willing to risk your neck that you won't be subject to a aiding and abetting charge? All of us here know that spoofing address like this is a criminal activity. So what you're

Re: Open Resolver Problems

2013-03-26 Thread Valdis . Kletnieks
On Tue, 26 Mar 2013 19:13:43 -0700, Jared Mauch said: If you give the same answer 15x to the same person in a few seconds one can possibly infer they aren't a caching resolver or are broken. Either way you can think about ignoring them for a few with dampening or similar. So what you're

Re: BCP38 - Internet Death Penalty

2013-03-27 Thread Valdis . Kletnieks
On Wed, 27 Mar 2013 10:51:35 -0500, Jack Bates said: They are not, and I can think of quite a few people who would stare blankly at you for making such a statement. Of course, I can think of plenty of people who we'd like to see implementing BCP38 concepts that would need you to define

Re: BCP38 - Internet Death Penalty

2013-03-27 Thread Valdis . Kletnieks
On Wed, 27 Mar 2013 14:19:05 -0700, Paul Ferguson said: And there may even be some stick approaches to accompany the carrot, but some awareness is going to have to happen. Sing it from the mountain tops. http://www.sans.org/dosstep/roadmap.php Note the date. Note the list of

Re: Open Resolver Problems

2013-03-27 Thread Valdis . Kletnieks
On Wed, 27 Mar 2013 16:59:16 -0500, Jack Bates said: On 3/27/2013 4:49 PM, Tony Finch wrote: Jack Bates jba...@brightok.net wrote: 3) BCP38 (in spirit) That should be deployed as well as RRL. Tony. If BCP38 was properly deployed, what would be the purpose of RRL outside of

So how big was it *really*?

2013-03-28 Thread Valdis Kletnieks
So we all have heard the breathless news reports of how the recent urinating contest between Spamhaus and a butthurt ISP was the biggest in history. Where would you guys put it, if measured as percent of total worldwide available Internet bandwidth/resources? My gut feeling is that by that

Re: Tier 2 ingress filtering

2013-03-28 Thread Valdis . Kletnieks
On Thu, 28 Mar 2013 17:16:48 -, bmann...@vacation.karoshi.com said: is there a clear understanding of the edge in the network operations community? in a simpler world, it was not that difficult, but interconnect has blossomed and grown all sorts of noodly appendages/extentions. I fear

Re: Per-ASN data (Re: Open Resolver Problems)

2013-03-28 Thread Valdis . Kletnieks
On Thu, 28 Mar 2013 14:16:58 -0400, Jared Mauch said: I wanted to share PER-ASN data for those that are interested in this generally. If you are a contact for these ASNs, you can e-mail me from your corporate address to get access to the list. Thank you for many of you that have secured

Re: Tier 2 ingress filtering

2013-03-28 Thread Valdis . Kletnieks
On Thu, 28 Mar 2013 15:05:57 -0400, Jay Ashworth said: - Original Message - From: Valdis Kletnieks valdis.kletni...@vt.edu For 5 9's worth of eyeball networks hanging off consumer-grade ADSL and cable connections, it's still the edge and still trivially filterable. If that's

Re: So how big was it *really*?

2013-03-30 Thread Valdis . Kletnieks
On Sat, 30 Mar 2013 14:57:53 -0700, Matthew Petach said: I am *sooo* reminded of http://xkcd.com/1133/ and http://youwillnotgotospacetoday.tumblr.com/ 'Your internet is having a bad day, and your packets will not be going to their destination' I heard the failure of a server to boot

Re: Open Resolver Problems

2013-03-31 Thread Valdis . Kletnieks
On Sun, 31 Mar 2013 16:09:35 -0500, Jimmy Hess said: On 3/29/13, Scott Noel-Hemming frogstar...@gmail.com wrote: Some of us have both publicly-facing authoritative DNS, and inward facing recursive servers that may be open resolvers but can't be found via NS entries (so the IP addresses of

Re: BCP38 tester?

2013-04-01 Thread Valdis . Kletnieks
On Mon, 01 Apr 2013 09:34:31 -0400, Alain Hebert said: I'm sad to confirm that my spoof test was successful with a: . SageMCom modem+router, which is used by a big TelCo around my part, for both their residential and commercial ADSL2+, VDSL customers. You might want to check more

Re: Open Resolver Problems

2013-04-01 Thread Valdis . Kletnieks
On Mon, 01 Apr 2013 14:19:16 -0400, Jay Ashworth said: So, how would Patrick's caveat affect me, whose recursive resolver *is on my Linux laptop*? Would not that recursor be making queries he advocates blocking? You're sending queries, not replies. That's why DPI is needed to do the

Re: Open Resolver Problems

2013-04-01 Thread Valdis . Kletnieks
On Mon, 01 Apr 2013 19:40:03 +0100, Tony Finch said: You should be able to get a reasonable sample of IPv6 resolvers from the query logs of a popular authoritative server. Hopefully, said logs are not easily accessible to the miscreants. (I still expect the most feasible method for the

Re: RFC 1149

2013-04-03 Thread Valdis . Kletnieks
On Tue, 02 Apr 2013 19:00:35 -0400, Mike. said: Oddly, prehaps, those punchcards on the stagecoaches probably will outlast any magnetic media we have at our disposal today Here's a picture of an estimated 4.3G of data on punch cards:

Re: Speedtest Results speedtest.net vs Mikrotik bandwidth test

2013-04-03 Thread Valdis . Kletnieks
On Wed, 03 Apr 2013 14:07:48 -0700, Mike said: These speedtests are pure unscientific bs and I'd love to see them called out on the carpet for it. As far as I know, it's possible for the end-to-end reported values to be lower than your immediate upstream due to issues further upstream. But if

Re: Speedtest Results speedtest.net vs Mikrotik bandwidth test

2013-04-04 Thread Valdis . Kletnieks
On Thu, 04 Apr 2013 06:18:34 +0200, Mikael Abrahamsson said: I have pitched the idea in the IETF to have TCP stacks themselves report IP performance indicators (aggregate) and that a standard for this to be standardised. No takers so far. RFC4989 TCP Extended Statistics MIB. M. Mathis, J.

Re: Speedtest Results speedtest.net vs Mikrotik bandwidth test

2013-04-04 Thread Valdis . Kletnieks
On Thu, 04 Apr 2013 17:29:40 +0200, Mikael Abrahamsson said: On Thu, 4 Apr 2013, valdis.kletni...@vt.edu wrote: RFC4989 TCP Extended Statistics MIB. M. Mathis, J. Heffner, R. Raghunarayan. May 2007. (Format: TXT=153768 bytes) (Status: PROPOSED STANDARD) Looks like a taker to

Re: ICMP Redirect on Resolvers

2013-04-06 Thread Valdis . Kletnieks
On Sat, 06 Apr 2013 10:38:06 -0400, shawn wilson said: What would break if u dropped all ICMP packets with redirects on public facing boxes? Presumably nothing, as long as you guaranteed that your IP address, netmask, and routes actually match the reality of your network configuration. In

Re: Verizon DSL moving to CGN

2013-04-07 Thread Valdis . Kletnieks
On Sun, 07 Apr 2013 01:40:09 -0400, Christopher Morrow said: I wonder how much more painful just upgrading the dsl plant to support v6 would be vs deploying the cgn equipment and funneling users through that :( The answer depends on whether the person making the decision thinks they'll have

Re: Verizon DSL moving to CGN

2013-04-07 Thread Valdis . Kletnieks
On Sun, 07 Apr 2013 13:54:04 +0300, Alex said: Well if the RFCs would just be set in stone already like Moses's 10 commandments and if the programmers would actually start writing code for v6 and if the web site hosting servers would at least have dual stack enabled on them it would be

Re: ICMP Redirect on Resolvers

2013-04-07 Thread Valdis . Kletnieks
On Sun, 07 Apr 2013 12:25:30 -0700, Owen DeLong said: Presumably nothing, as long as you guaranteed that your IP address, netmask, and routes actually match the reality of your network configuration. They also cover the case where there are two (or more) routers on the network and you

It's the end of the world as we know it -- REM

2013-04-23 Thread Valdis Kletnieks
I didn't see any mention of this Tony Hain paper: http://tndh.net/~tony/ietf/ARIN-runout-projection.pdf tl;dr: ARIN predicted to run out of IP space to allocate in August this year. Are you ready? pgpUxW4V78URP.pgp Description: PGP signature

Re: UN Secretariat building in nyc

2013-04-24 Thread Valdis . Kletnieks
On Tue, 23 Apr 2013 20:13:20 -0400, Chris McDonald said: Does anyone have a creative (read - fast) way of getting from the mmr there to 60 Hudson ? Taxi? :) Would help if you told us what exactly you were trying to get from point A to point B, and in what quantities. What will work well for

Re: whoami.akamai.net [was: Google Public DNS Problems?]

2013-05-02 Thread Valdis . Kletnieks
On Thu, 02 May 2013 15:48:08 -0700, Constantine A. Murenin said: On 2 May 2013 15:41, Cameron Daniel cdan...@nurve.com.au wrote: dig -t txt o-o.myaddr.l.google.com That's cool, but still no IPv6. o-o.myaddr.l.google.com. 60 IN TXT 216.66.80.30 You're complaining that there's

Re: Louisiana Optical Network Initiative

2013-05-02 Thread Valdis . Kletnieks
On Thu, 02 May 2013 17:05:36 -0700, Paul Ferguson said: In the original message, he said 23666 But 'whois as23666' points at Indonesia, not Louisiana, so I suspect some transcription errors have crept into the process... pgpru6LP5k5hK.pgp Description: PGP signature

Re: Illegal usage of AS51888 (and PI 91.220.85.0/24) from AS42989 and AS57954 (in ukraine)

2013-05-06 Thread Valdis . Kletnieks
On Mon, 06 May 2013 15:27:35 -, Warren Bailey said: Illegal or undesired? This sort of stuff comes in two flavors: typo and intentionally done in furtherance of criminal activities. The fact that an AS number and matching IP range are involved tends to say it's not a typo.

Re: NPE-G2 vs. Sup720-3BXL

2009-05-15 Thread Valdis . Kletnieks
On Fri, 15 May 2009 22:20:28 EDT, David Storandt said: - Vyatta was proposed as an alternative system, probably best architected out of the mainstream traffic flows (no hardware forwarding), say a BGP route reflector or GBE edge router, similar argument to a 7200/G[1|2]. I can't say I'm

Re: MX Record Theories

2009-05-26 Thread Valdis . Kletnieks
On Tue, 26 May 2009 11:03:59 PDT, gb10hkzo-na...@yahoo.co.uk said: would be most interested to hear NANOG theories on the variety of MX record practices out there, namely, how come there seem to be so many ways employed to achieve the same goal ? The trick here is that it isn't always

Re: How to measure network equipment usage effectiveness?

2009-06-01 Thread Valdis . Kletnieks
On Tue, 02 Jun 2009 03:29:16 -, Lee, Steven (NSG Malaysia) said: Hi all, may I know how you guys measure the network equipment usage effectiveness? (...) Is there any tools other there can measure this? Step 0: Define effectiveness. The problem is that quite often, decisions on whether to

Re: Fiber cut - response in seconds?

2009-06-02 Thread Valdis . Kletnieks
On Tue, 02 Jun 2009 13:54:44 EDT, Martin Hannigan said: It would also be cheaper to add an additional layer of security with encryption vs. roving teams of gun toting manhole watchers. Even if encrypted, you can probably do an amazing amount of traffic analysis to tell when something is afoot.

Re: Shortest path to the world

2009-07-16 Thread Valdis . Kletnieks
On Wed, 15 Jul 2009 22:03:56 +0900, Randy Bush said: The typical network architecture problem, what are the best (shortest latency, greatest bandwidth, etc) locations to connect to the every nation in the world? As you increase the number of locations, how do the choices change? And

Re: questionable email filtering policies?

2009-07-23 Thread Valdis . Kletnieks
On Thu, 23 Jul 2009 13:22:54 PDT, goe...@anime.net said: Seems rather unwise to filter your abuse mailbox. - The following addresses had permanent fatal errors - ab...@btopenworld.com (reason: 554 Message not allowed - UP Email not accepted for policy reasons. Please

Re: Fwd: Dan Kaminsky

2009-07-30 Thread Valdis . Kletnieks
On Wed, 29 Jul 2009 22:53:39 BST, andrew.wallace said: The hackers criticized Mitnick and Kaminsky for using insecure blogging and hosting services to publish their sites, that allowed the hackers to gain easy access to their data. *yawn*. kiddies whack low-value sites, death of Internet

Re: Dan Kaminsky

2009-08-04 Thread Valdis . Kletnieks
On Tue, 04 Aug 2009 13:32:42 EDT, Curtis Maurand said: What does this have to do with Nanog, the guy found a critical security bug on DNS last year. He didn't find it. He only publicized it. the guy who wrote djbdns fount it years ago. Powerdns was patched for the flaw a year and a

Re: DOS in progress ?

2009-08-06 Thread Valdis . Kletnieks
On Thu, 06 Aug 2009 11:12:23 CDT, Jorge Amodio said: We are defending against a denial-of-service attack, and will update status again shortly. Could be interesting if folks @Twitter take pictures or better video about how are they defending against the attack. Do they wear special

Re: TransAtlantic 40 Gig Waves

2009-08-14 Thread Valdis . Kletnieks
On Fri, 14 Aug 2009 19:55:36 BST, Rod Beck said: Well, the funny thing is that when I approached bandwidth buyers at some well known publicly traded carriers, they told me that 40 gig waves across the Atlantic were impossible. Theoretically impossible, or just impossible on the fiber that's

Re: MTAs used

2009-08-26 Thread Valdis . Kletnieks
On Wed, 26 Aug 2009 16:50:51 +0300, Sharef Mustafa said: Can anyone please point me to a list of the most used MTAs (mail servers) and their market share? Now, did you want that in terms of number of copies installed or amount of mail handled? There's probably zillions of little Fedora and

Re: Ready to get your federal computer license?

2009-08-31 Thread Valdis . Kletnieks
On Sun, 30 Aug 2009 10:59:34 +1000, Jeff Young said: Having met more than a few people in government IT, all jokes aside, I think they're pretty well equipped to know when and if they need to disconnect from the Internet, even without an executive order. Department of the Interior had *how*

Re: Ready to get your federal computer license?

2009-08-31 Thread Valdis . Kletnieks
On Fri, 28 Aug 2009 16:51:39 CDT, Hiers, David said: Governments already license stock brokers, pilots, commercial drivers, accountants, engineers, all sorts of people whose mistakes can be measured in the loss of hundreds of lives and millions of dollars. In many localities, hairdressers

Re: Ready to get your federal computer license?

2009-08-31 Thread Valdis . Kletnieks
On Mon, 31 Aug 2009 14:06:56 EDT, Sachs, Marcus Hans (Marc) said: (d) CERTIFICATION.-Beginning 3 years after the date of enactment of this Act, it shall be unlawful for an individual who is not certified under the program to represent himself or herself as a cybersecurity professional.

Re: Repeated Blacklisting / IP reputation

2009-09-08 Thread Valdis . Kletnieks
On Tue, 08 Sep 2009 13:43:39 EDT, John Curran said: I'm sure there's an excellent reason why these addresses stay blocked, but am unable to fathom what exactly that is... If I'm a smaller shop with limited clue, there's 3 likely colloraries: 1) Even a smallish spam blast is big enough to

Re: Repeated Blacklisting / IP reputation

2009-09-09 Thread Valdis . Kletnieks
On Wed, 09 Sep 2009 15:13:44 EDT, Martin Hannigan said: Not sure that this is an ARIN problem more than an operational problem since RBL's are opt-in. An effort to identify RBL's that are behaving poorly is probably more interesting at this point, no? I suspect the problem isn't poor RBLs,

Re: Repeated Blacklisting / IP reputation

2009-09-10 Thread Valdis . Kletnieks
On Wed, 09 Sep 2009 20:30:02 PDT, Leo Vegoda said: Putting these addresses back into use does not mean that they have to be allocated to networks where they'll number mail servers. ARIN staff is doubtless aware of the history of these blocks and will presumably do their best to allocate them

Re: Hijacked Blocks

2009-09-15 Thread Valdis . Kletnieks
On Mon, 14 Sep 2009 16:52:26 CDT, Jorge Amodio said: In the transition from the old IANA to FrICANNstein Well, that monitor needed cleaning anynow... ;) pgpnWwneWCOxL.pgp Description: PGP signature

Re: Repeated Blacklisting / IP reputation

2009-09-15 Thread Valdis . Kletnieks
On Tue, 15 Sep 2009 08:01:48 PDT, Shawn Somers said: Anyone that intentionally uses address space in a manner that they know will cause it to become contaminated should be denied on any further address space requests. You *do* realize that the people you're directing that paragraph at are

Re: Gmail Down?

2009-09-25 Thread Valdis . Kletnieks
On Thu, 24 Sep 2009 11:20:06 EDT, Michael Holstein said: I dunno boss, just ask the cloud .. you're the one that wanted to compute there instead of here. /dilbert :) Actually, yes, there *is* a rather recent Dilbert about it. http://www.dilbert.com/strips/comic/2009-08-30/ :)

Re: Dearborn: Calling all CAcert and/or Thawte Notaries

2009-09-29 Thread Valdis . Kletnieks
On Tue, 29 Sep 2009 15:30:36 PDT, Owen DeLong said: It occurs to me that in addition to the PGP key signings that tend to happen at NANOG meetings it might be worth having a group notary event for CAcert and/ or Thawte notarizations. Umm.. aren't the Thawte web-of-trust going belly-up in

Re: ISP customer assignments

2009-10-05 Thread Valdis . Kletnieks
On Mon, 05 Oct 2009 16:13:37 CDT, Dan White said: a publicly routeable stateless auto configured address is no less secure than a publicly routeable address assigned by DHCP. Security is, and should be, handled by other means. The problem is user tracking and privacy. RFC4941's problem

Re: ISP customer assignments

2009-10-05 Thread Valdis . Kletnieks
On Mon, 05 Oct 2009 20:40:28 EDT, TJ said: Isn't this really a security by obscurity argument? No - security through obscurity is security measures that only seem to work because you hope the attacker doesn't know how they are implemented. In this case, making sure somebody else can't

Re: ISP customer assignments

2009-10-06 Thread Valdis . Kletnieks
On Tue, 06 Oct 2009 09:34:28 PDT, Owen DeLong said: although that isn't the case today. However, I believe that 90.1 is supposed to be parsed equivalent to 90.0.0.1 and 90.5.1 is supposed to be treated as 90.5.0.1, so, 32.1.13.184.241.1 should also work for the above if you expanded todays

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