Re: 44/8

ide, openly and transparently, if, for example, some piece of 44/8 should be returned to IANA for allocation to the RIRs. Greetings, William Waites VE3HW

Re: DOs and DONTs for small ISP

On 06/03, Mel Beckman wrote: > I’m constantly amazed at the number of even medium-sized ISPs that have no > network monitoring. An NMS should go in as the first software component — > before billing starts and the provider is on the hook to deliver. > > The second lacking component is a ticket

Re: any interesting/useful resources available to IPv6 only?

On 05/03, Jeroen Massar wrote: > > IPv6 is not a darknet, you won't find something hidden and unique there. The Dancing Kame, surely.

Re: Oct. 3, 2018 EAS Presidential Alert test

> I wonder, if there were a real alert, what the odds are that one > wouldn't hear about it in 1 minute, 5 minutes, etc even if they didn't > personally get it. > > Obviously edge cases are possible, you were deep in a cave with your > soccer team, but there must be mathematical modeling of that

Re: Yet another Quadruple DNS?

ations anycast a well-known public resolver address? There are reasons why it might be a bad idea, but at least it’s slightly novel. William Waites Laboratory for Foundations of Computer Science School of Informatics, University of Edinburgh The University of Edinburgh is a charitable body, r

Re: Yet another Quadruple DNS?

> > On 30 Mar 2018, at 15:46, Royce Williams wrote: > > 77.77.77.77 - Dadeh Gostar Asr Novin P.J.S. Co. (Iran) | 77.77.64/19 | > recursion-yes Well, that one's a little odd: % host news.bbc.co.uk 77.77.77.77 Using domain server: Name: 77.77.77.77 Address:

Re: Please run windows update now

r its parent, or its parent’s parent, …) started. There are details to be ironed out, of course, but there’s no reason in principle that it couldn’t be done like this. The reason that you don’t have to make the operating system solve the halting problem is because you ask the user. William Waites La

Re: gagging *IX directors re snoop/block orders

rmed so that they can make this choice with their eyes open. It is important to have this discussion in the open, and explicitly mark the transition where Internet Exchange Points re-organise themselves to accommodate spying laws and gag orders. William Waites Laboratory for Foundations of Computer Sci

Re: backbones filtering unsanctioned sites

rom transit networks becomes the norm, we are in big trouble. William Waites LFCS, School of Informatics, University of Edinburgh The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.

cloudflare contact

Could someone from Cloudflare's operations please contact me off-list? Thanks, -w -- William Waites <wwai...@tardis.ed.ac.uk> | School of Informatics https://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh https://hubs.net.uk/ | HUBS A

Re: de-peering for security sake

ns to common goods such as Wikipedia: https://events.ccc.de/congress/2015/Fahrplan/events/7324.html -- William Waites <wwai...@tardis.ed.ac.uk> | School of Informatics https://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh https://hubs.net.uk/ |

Re: interconnection costs

ture graph it is debatable if this is a wise or efficient strategy. on the other hand it significantly widens the operational scope of bgp configuration knobs. but the point is, you can do peering without a physical presence in a location, and it is a common thing to do. cheers, -w -- William Wa

Re: AW: /27 the new /24

rs do this? -w -- William Waites <wwai...@tardis.ed.ac.uk> | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh https://hubs.net.uk/ | HUBS AS60241 The University of Edinburgh is a charitable body, registered in Scotland, with registr

Mikrotik in the DFZ (Was Re: AW: AW: /27 the new /24)

de more expensive (and an order of magnitude less expensive than what you need if you want 10s of Gbps). -w -- William Waites <wwai...@tardis.ed.ac.uk> | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh https://hubs.net.uk/

Re: Capital Internet http://www.capitalinternet.com/ down?

somewhere else (Esgob do free secondary anycast DNS and they're nice folk). -w -- William Waites <wwai...@tardis.ed.ac.uk> | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh https://hubs.net.uk/ | HUBS AS60241 The Univers

Re: Dual stack IPv6 for IPv4 depletion

On Sun, 5 Jul 2015 06:13:52 +, Mel Beckman m...@beckman.org said: In fact, I show just how to do this using a $99 Apple Airport Express in my three-hour online course “Build your own IPv6 Lab” An anectode about this, maybe out of date, maybe not. I was helping my friend who likes

Re: Dual stack IPv6 for IPv4 depletion

On Sun, 5 Jul 2015 18:25:26 +, Josh Moore jmo...@atcnetworks.net said: So basically what you are telling me is that the NAT gateway needs to be centrally aggregated. If you must do NAT it should be as close to the edge as possible. Today that's usually at the CPE. Maybe tomorrow

Re: eBay is looking for network heavies...

On Thu, 11 Jun 2015 14:24:31 +0200, Ruairi Carroll ruairi.carr...@gmail.com said: What I found is that back in early-mid 00's, the industry was a black box. Unless you knew someone inside of the industry... I suspect this is partly a result of the consolidation that went on. In the

Re: Low Cost 10G Router

is an open question. Personally I give it at least a year before we would even try to use these seriously for BGP. Until then, it's FreeBSD and BIRD. Best, -w -- William Waites wwai...@tardis.ed.ac.uk | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh

Re: Peering and Network Cost

TORIX does today. From that point of view you guys in Denmark seem to be paying somewhat over the odds. Cheers, -w -- William Waites wwai...@tardis.ed.ac.uk | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh http://www.hubs.net.uk

Re: macomnet weird dns record

system you will know that writing netmasks in hex is prefectly normal. -w -- William Waites wwai...@tardis.ed.ac.uk | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh http://www.hubs.net.uk/| HUBS AS60241 The University of Edinburgh

Re: Verizon Policy Statement on Net Neutrality

the expected peak rate. But 24/1.5, a factor of 16, is a very different story. -w -- William Waites wwai...@tardis.ed.ac.uk | School of Informatics http://tardis.ed.ac.uk/~wwaites/ | University of Edinburgh The University of Edinburgh is a charitable body, registered in Scotland

Re: Verizon Policy Statement on Net Neutrality

of asymmetry was no longer commonplace... -w -- /\| William Waites wwai...@tardis.ed.ac.uk \ / ASCII Ribbon Campaign | School of Informatics Xagainst HTML e-mail | University of Edinburgh / \ (still going) | http://tardis.ed.ac.uk/~wwaites

Re: Verizon Policy Statement on Net Neutrality

to that question... And it's not a very good one... -- /\| William Waites wwai...@tardis.ed.ac.uk \ / ASCII Ribbon Campaign | School of Informatics Xagainst HTML e-mail | University of Edinburgh / \ (still going) | http://tardis.ed.ac.uk/~wwaites

[OT] Re: Intellectual Property in Network Design

On Fri, 13 Feb 2015 11:43:14 +1100, Ahad Aboss a...@telcoinabox.com said: In a sense, you are an artist as network architecture is an art in itself. It involves interaction with time, processes, people and things or an intersection between all. This Friday's off-topic post for

Re: HTTPS redirects to HTTP for monitoring

On 18 Jan 2015 18:15:09 -, John Levine jo...@iecc.com said: I expect your users would fire you when they found you'd blocked access to Google. Doesn't goog do certificate pinning anyways, at least in their web browser? pgphGF6ZqCQVo.pgp Description: PGP signature

Re: determine relationship between the operators based on import and export statements in aut-num object?

On Tue, 25 Nov 2014 17:36:47 +0200, Martin T m4rtn...@gmail.com said: Last but not least, maybe there is altogether a more reliable way to understand the relationship between the operators than aut-num objects(often not updated) in RIR database? The first thing to do is look and

Re: Multi-homing with multiple ASNs

On Fri, 21 Nov 2014 11:07:49 +0200, Mark Tinka mark.ti...@seacom.mu said: We own an AS number and our IP space but at the last minute learned our state network is advertising our network using two different ASNs (neither ours) This will work, as in the BGP path selection

Re: Scotland ccTLD?

On 16/09/14 16:26, Jay Ashworth wrote: I see also a suggestion, credited to Dave Eastabrook (sp?) of .ab, which apparently stands for Alba, which I will assume has historical significance (the country name in Scots Gaelic, perhaps?) It has current significance, as Gaelic is recognised as an

Re: NAT IP and Google

On Tue, May 20, 2014 at 10:21:43PM +0800, Pui Edylie wrote: May I know what is the best approach so that Google would not ban our Natted IP from time to time as it suspect it as a bot. IPv6?

Re: NAT IP and Google

On Tue, May 20, 2014 at 10:35:56AM -0400, Harald Koch wrote: Might help if all your hosts have their own IPv6 addresses That was meant to be implied... But... On Tue, May 20, 2014 at 09:10:56AM -0600, Derek Andrew wrote: They take out our campus, both IPv4 and IPv6. That's interesting, I

Re: WISP or other options

On Wed, Mar 26, 2014 at 10:30:27PM -0500, Nick wrote: Does any have contacts in Edinburgh Scotland who can provide WISP service at the Hopetoun House and Dundas Castle. I would like to have 20-60mpbs to for 2 days of services. There is a *chance* that we (http://hubs.net.uk/) can help. Our

Re: WISP or other options

On Thu, Mar 27, 2014 at 03:35:20AM +, Warren Bailey wrote: You are screwed for LOS microwave, 60mbps on a microwave hope requires real life engineering to function correctly. Well now, really. Yes it needs engineering, but nothing spectacularly difficult. The upper bound on distance the

Re: WISP or other options

On Thu, Mar 27, 2014 at 12:02:30AM -0400, Miles Fidelman wrote: Laser link, and pray for clear weather? You'll have to pray really hard around here, especially in South Queensferry down by the water... We actually have an FSO link between two tall buildings in South Edinburgh. Only about 500m.

Re: WISP or other options

On Thu, Mar 27, 2014 at 05:09:05AM +, Warren Bailey wrote: It's not 802.11 and it doesn't act that way. Actually most of the installations I've seen -- and my day job is working with community networks around Scotland that have built all manner of strange things -- the problems most often

Re: NSA able to compromise Cisco, Juniper, Huawei switches

Is Ken Thompson turning over in his grave yet? I certainly hope not...

Re: The Making of a Router

On Fri, 27 Dec 2013 07:23:36 -0500 (EST), Justin M. Streiner strei...@cluebyfour.org said: You end up combining some of the downsides of a hardware-based router with some of the downsides of a server (new attack vectors, another device that needs to be backed up, patched, and

Re: Is there a method or tool(s) to prove network outages?

On Sun, 1 Dec 2013 17:56:51 +0100, Notify Me notify.s...@gmail.com said: I have a very problematic radio link which goes out and back on again every few hours. Is every few hours regular/cyclical? Does the radio link cross a tidal body of water? -w pgpubC2NiHoOH.pgp Description: PGP

Re: Is there a method or tool(s) to prove network outages?

On Sun, 1 Dec 2013 20:25:36 +, Sina Owolabi notify.s...@gmail.com said: Its cyclical, but I have not tried to graph/measure its repetition before now... Body of tidal water..could be This is speculation until you have measurements, but if this is the case I'd wager you are having

Re: Meraki

On Wed, 20 Nov 2013 14:08:53 -0500, Ray Soucy r...@maine.edu said: I'm very interested in other user experiences with Ubiquity for smaller deployments vs. traditional Cisco APs and WLC. Especially for a collection of rural areas. The price point and software controller are

Policy-based routing is evil? Discuss.

I'm having a discussion with a small network in a part of the world where bandwidth is scarce and multiple DSL lines are often used for upstream links. The topic is policy-based routing, which is being described as load balancing where end-user traffic is assigned to a line according to source

Re: Policy-based routing is evil? Discuss.

On Fri, 11 Oct 2013 10:41:46 -0700, joel jaeggli joe...@bogus.com said: you take all the useful information that an IGP could be (or is) providing you, and then you ignore it and do something else. Yes, that's another part of the conversation, encouraging the use of an IGP, which has

Re: Internet Surveillance and Boomerang Routing: A Call for Canadian Network Sovereignty

On Tue, 10 Sep 2013 10:27:15 -0700, Bill Woodcock wo...@pch.net said: or to make an ISP class license requirement that every service provider network deliver traffic that has source and destination addresses within a region, without passing the traffic across the border of the

Re: I don't need no stinking firewall!

Le 10-01-05 à 21:29, Dobbins, Roland a écrit : Stateful firewalls make absolutely no sense in front of servers, given that by definition, every packet coming into the server is unsolicited (some protocols like ftp work a bit differently in that there're multiple

[OT] Re: Sheriffs and Vigilantes

would seem to correspond quite closely with the job of the responsible network security/operations person. Cheers, -w -- William Waites VE2WSW[EMAIL PROTECTED] http://www.irl.styx.org/ +49 30 8894 9942 CD70 0498 8AE4 36EA 1CD7 281C 427A 3F36 2130 E9F5

Re: Mechanisms for a multi-homed host to pick the best router

multiple tunnels (cf multiple address ranges) is problematic. Of course these days perhaps perhaps the IPv4 variant could be done with a stateful NAT. Maybe case could be made for IPv6 NAT (and site-local addresses?) in this scnario... - -w - -- William Waites [EMAIL

Re: Is the export policy selective under valley-free?

, the valley-free property is a necessary but not sufficient criteria for generating the set of in-reality-valid paths on the Internet. Cheers, - -w - -- William Waites [EMAIL PROTECTED] http://www.irl.styx.org/ +49 30 8894 9942 CD70 0498 8AE4 36EA 1CD7 281C

Re: Is the export policy selective under valley-free?

, by definition, valley-free and that the labels are not really properties of the graph but properties of the path? I'm not sure. Bonne vacances, - -w - -- William Waites [EMAIL PROTECTED] http://www.irl.styx.org/ +49 30 8894 9942 CD70 0498 8AE4 36EA 1CD7 281C 427A 3F36

Re: GLBX De-Peers Intercage

to be done quickly in specific instances. Of course a parallel procedure would be necessary for each bit of the ROW.. - -w - -- William Waites [EMAIL PROTECTED] http://www.irl.styx.org/ +49 30 8894 9942 CD70 0498 8AE4 36EA 1CD7 281C 427A 3F36 2130 E9F5 -BEGIN PGP

Re: GLBX De-Peers Intercage

of tidying up the trash and don't stir that nest of hornets. Workeable suggestions? So far I've seen, * organized shunning * BGP blacklists Cheers, - -w - -- William Waites [EMAIL PROTECTED] http://www.irl.styx.org/ +49 30 8894 9942 CD70 0498 8AE4

Re: GLBX De-Peers Intercage

their coffees. How dare you destroy so many keyboards? I didn't mean to imply that either of those was actually workeable ;) - -w - -- William Waites [EMAIL PROTECTED] http://www.irl.styx.org/ +49 30 8894 9942 CD70 0498 8AE4 36EA 1CD7 281C 427A 3F36 2130 E9F5 -BEGIN PGP

Re: [LN20080729.4147] RE: AS 28551

Le 08-08-01 à 15:05, Marshall Eubanks a écrit : I think that 161.164.248.0/21 and AS 28551 may be hijacked. traceroute to 161.164.248.1 (161.164.248.1), 64 hops max, 40 byte packets snip 7 tengige0-3-0-3.auvtr1.Aubervilliers.opentransit.net (193.251.241.253) 78.728 ms 79.154 ms

Re: Arbitrary de-peering

Le 08-07-28 à 17:12, [EMAIL PROTECTED] a écrit : Example: A York University professor was sitting at his desk at work in March 2008 trying to reach an internet website located somewhere in Europe. [...] York’s bandwidth supplier is Cogent which had severed a peering relationship with a

Re: Arbitrary de-peering

Le 08-07-28 à 17:29, Patrick W. Gilmore a écrit : One should check one's assumptions before posting to 10K+ of their not-so-close friends. Firstly I missed the actual incident since I was off the 'net for an extended period about that time, so apologies for any rehash. Neither network

Re: Arbitrary de-peering

Le 08-07-28 à 18:27, Jon Lewis a écrit : Bit bucket path. Evidently. As I said, this is surprising behaviour, but not simple de-peering. And I'm Why is it surprising? Sounds more like a repeat performance to me. Back when Level3 depeered Cogent, it was said that Cogent was already

IPv6 nameserver glue chez netsol

Hi all, Does anyone have a contact or a known administrative path to get NS glue added to domains registered with Network Solutions? Or is the only choice to move the domains in question to a different registrar? (Perhaps more appropriate for dns-operations, but as it is an

Re: Building a BGP test network

Le 08-07-09 à 19:36, Ariel Biener a écrit : I have been pondering over this issue for some time now (not too much time to invest on it), since I wanted to created a duplicate model of our production network in a test environment, not connected to any outside network (thus cannot peer, same