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
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
On 05/03, Jeroen Massar wrote:
>
> IPv6 is not a darknet, you won't find something hidden and unique there.
The Dancing Kame, surely.
> 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
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
>
> 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:
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
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
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.
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
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/ |
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
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
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/
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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?
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
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
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
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.
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
Is Ken Thompson turning over in his grave yet?
I certainly hope not...
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
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
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
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
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
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
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
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
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
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
, 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
,
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
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
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
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
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
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
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
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
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
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
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