Re: Announcement of Experiments

2022-05-02 Thread Raymond Dijkxhoorn via NANOG
Hi! > If I am interpreting this correctly that you are just going to yolo a > bunch of random ASNs to poison paths with, perhaps you should consider > getting explicit permission for the ASNs you want to use instead.  > > A lot of operators monitor the DFZ for prefixes with their ASN in the >

Re: Announcement of Experiments

2022-05-02 Thread Raymond Dijkxhoorn via NANOG
Hi! If, for any reason, you want to opt out from us using your ASN for our experiments, you can do so in the following form before May 9: https://forms.gle/ZvZaodndPhCqMvR89 If I am interpreting this correctly that you are just going to yolo a bunch of random ASNs to poison paths

Re: Constant Abuse Reports / Borderline Spamming from RiskIQ

2020-04-16 Thread Raymond Dijkxhoorn
Ha! The first warning sign would be where they discuss your AUP and exceptions / corner cases to it Or 'we just need a /24, we are doing e-mail services and we can assure you its all good' ... Bye, Raymond

Re: East coast outage

2017-02-01 Thread Raymond Dijkxhoorn
Hello Ben, Is anyone else seeing connectivity issues along the east coast? Our pipe through HE in NYC is showing loss to things behind most of Level3, and Qwest below Washington. *Ben Hatton* Network Engineer Haefele TV Inc. d:(607)589-8000 bhat...@htva.net www.htva.net We see the

Re: DOS for hire issues

2016-12-14 Thread Raymond Dijkxhoorn
on list since i hope, just like we tell people to implement bcp38, more people will look into cleaning things at the far beginning of the chain. If you want to make the world a better place i think Thanks, Raymond Dijkxhoorn (You can find more about it on the e-hawk site (www.e-hawk.net). Just

Re: finding whois servers, was .pro whois registry down?

2016-03-10 Thread Raymond Dijkxhoorn
Hai! whois.conf-compatible format What uses whois.conf? Not the whois on my FreeBSD or Mac. Or you can just use this shell script: #!/bin/bash WHOISHOST=${1##*.}.ws.sp.am exec whois -h $WHOISHOST $* I just a slightly different one but still my fav one... jwhois Has a whois.conf style

Re: Facebook invisible in Italy

2015-09-28 Thread Raymond Dijkxhoorn
Hai Marco, Same in NL so most likely bigger then Italy alone. Thanks, Raymond Dijkxhoorn, Prolocation > Op 28 sep. 2015 om 22:35 heeft Marco Paesani <ma...@paesani.it> het volgende > geschreven: > > Hi, > some issues from FB network ?? > Do you have some info ? > R

Re: AS4788 Telecom Malaysia major route leak?

2015-06-14 Thread Raymond Dijkxhoorn
, Raymond Dijkxhoorn Op 14 jun. 2015 om 23:04 heeft Mark Tinka mark.ti...@seacom.mu het volgende geschreven: On 14/Jun/15 22:55, Raymond Dijkxhoorn wrote: Hai! Wouw! This is what they came up with?! Hopefully Level3 will take appropriate measures. Its amazing. Really. 'Some

Re: AS4788 Telecom Malaysia major route leak?

2015-06-14 Thread Raymond Dijkxhoorn
Hai! Wouw! This is what they came up with?! Hopefully Level3 will take appropriate measures. Its amazing. Really. 'Some internationally routes' Have they any idea what they did at all? Its amazing that with parties like that the internet still works as is tm ... Thanks, Raymond

Re: AS4788 Telecom Malaysia major route leak?

2015-06-14 Thread Raymond Dijkxhoorn
Hello Mel, Must just be me then. I was most likely expecting a more in depth report. Strange things happened. Perhaps they could post a 'what exactly happened' since this wasnt a average route leak. Thanks, Raymond Dijkxhoorn Op 14 jun. 2015 om 23:27 heeft Mel Beckman m...@beckman.org het

Re: Huge Level 3 ipv4 issues?

2015-06-12 Thread Raymond Dijkxhoorn
, but of course Brighthouse doesn't offer that lol. Anyone seeing the same? David Yes. See also another thread here: http://mailman.nanog.org/pipermail/nanog/2015-June/076189.html Thanks, Raymond Dijkxhoorn - Prolication

Re: /25's prefixes announced into global routing table?

2013-06-22 Thread Raymond Dijkxhoorn
Hai! Extreme supports route compression since several years. I hope other vendors will also start doing this. Thanks, Raymond Dijkxhoorn, Prolocation Op 22 jun. 2013 om 15:11 heeft Daniel Suchy da...@danysek.cz het volgende geschreven: On 06/22/2013 12:27 AM, Jakob Heitz wrote: Date: Fri

Re: DNS caches that support partitioning ?

2012-08-18 Thread Raymond Dijkxhoorn
Hi! The cache needs to be big enough that it has a thrashy bit that is getting changed all the time. Those are the records that go into the cache and then die without being queried again. If the problem is that there's some other record in there that might be queried again, but that doesn't

Re: F-ckin Leap Seconds, how do they work?

2012-06-30 Thread Raymond Dijkxhoorn
Hi! Drive Slow Paul Not very well if you have a modern box (RHES/CentOS 6) and Java apps running on them. RHES/CentOS 5 merrily ignored it. Worse, just bouncing the Java stack didn't fix it, it required the box to be rebooted. A sizeable number of annoyed sysadmins tweeting about it

Re: Our first inbound email via IPv6 (was spam!)

2012-06-05 Thread Raymond Dijkxhoorn
Jason, In preparation for the World IPv6 Launch, inbound (SMTP) email to the comcast.net domain was IPv6-enabled today, June 5, 2012, at 9:34 UTC. Roughly one minute later, at 9:35:30 UTC we received our first inbound email over IPv6 from 2001:4ba0:fff4:1c::2. That first bit of mail was spam,

Re: Our first inbound email via IPv6 (was spam!)

2012-06-05 Thread Raymond Dijkxhoorn
Hi! In preparation for the World IPv6 Launch, inbound (SMTP) email to the comcast.net domain was IPv6-enabled today, June 5, 2012, at 9:34 UTC. Roughly one minute later, at 9:35:30 UTC we received our first inbound email over IPv6 from 2001:4ba0:fff4:1c::2. That first bit of mail was spam, and

Re: Our first inbound email via IPv6 (was spam!)

2012-06-05 Thread Raymond Dijkxhoorn
Hi! Seth, In the past several hours we have of course seen other messages from a range of hosts, many of which were legitimate email ­ so it wasn't just spam! ;-) Since the Internet is of course more than just the web, we encourage others to start making non-HTTP services available via IPv6 as

Re: spammers trying to lease IP space?

2012-03-21 Thread Raymond Dijkxhoorn
Hi! This was mailed to many ISP's the last days. Bye, Raymond. I know this tactic isn't exactly new .. just thought I'd pass this along. Text below is exact with exception of our ARIN information and ranges (which any of you could figure out anyway). Cheers, Michael Holstein Cleveland

Re: IPv6 resolvers

2012-01-04 Thread Raymond Dijkxhoorn
Hi! But I was wondering if a more permanent solution for these resolvers exist. 74.82.42.42 2373 msec 2001:470:20::2 2592 msec The google DNS server I'm using is doing swimmingly so far, OpenDNS seems ok too. 2001:4860:4860::8844 16 msec [root@ipv6proxy ~]# ping 74.82.42.42 PING

Re: Overall Netflix bandwidth usage numbers on a network?

2011-12-12 Thread Raymond Dijkxhoorn
Hi! I believe Akamai, LLNW, L3 are the only companies that stream movies for Netflix. Peer with the CDNs to save your transit. That would be good if more than one of those CDNs peered openly. So what one doesnt? Akamai will peer with you anywhere and i doubt LLNW will give you trouble.

Re: Traceroute explanation

2011-12-08 Thread Raymond Dijkxhoorn
Hai! Check with lft or mtr ... Thanks, Raymond Dijkxhoorn, Prolocation Op 7 dec. 2011 om 20:56 heeft Meftah Tayeb tayeb.mef...@gmail.com het volgende geschreven: please tel me how to ? i don't know astraceroute:) - Original Message - From: Steven Bellovin s...@cs.columbia.edu

Re: {Spam?} Re: Traceroute explanation

2011-12-08 Thread Raymond Dijkxhoorn
Hi! Using LFT: root@debian:~# lft 8.8.8.8 traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 60 byte packets 1 172.28.1.1 (172.28.1.1) 0.798 ms 0.711 ms 2 10.16.0.2 (10.16.0.2) 0.414 ms 0.331 ms 3 41.200.16.1 (41.200.16.1) 11.400 ms 11.474 ms 4 172.17.2.25 (172.17.2.25) 10.184 ms 11.322

Re: BGP Peers as basis of available routes

2011-10-19 Thread Raymond Dijkxhoorn
licated there does that mean its bad? You need to know much more. If your customers are local there its even prefered. Its never that black/white ...its depending on your needs! Thanks, Raymond Dijkxhoorn, Prolocation Op 19 okt. 2011 om 08:46 heeft Nathanael C. Cariaga nccari...@stluke.com.ph

Re: BGP Peers as basis of available routes

2011-10-19 Thread Raymond Dijkxhoorn
Hi! You wont see those local peerings unless all those providers have looking glasses. So thats not gonna work out in this case. You will only see who they transit with... Thanks, Raymond Dijkxhoorn, Prolocation Op 19 okt. 2011 om 09:21 heeft Nathanael C. Cariaga nccari...@stluke.com.ph het

Re: BGP Peers as basis of available routes

2011-10-19 Thread Raymond Dijkxhoorn
Hi! Ok. Thanks for the information :) So that would mean that to answer my question, I would need to determine the web hosting provider who has the most number of peers and most number of transit providers? You wont see those local peerings unless all those providers have looking glasses.

RE: IPv6 side of www.charter.com has been down since Friday, September 16 5:12 am Central

2011-09-19 Thread Raymond Dijkxhoorn
Hi! Takes our HE tunnel to get out. Were also Native with Cogent (Not that it gets us anything..) No dice. Native also no luck here (from .nl) : [root@ipv6proxy ~]# traceroute6 www.charter.com traceroute to www.charter.com (2607:f428:3:1:80:80:80:1), 30 hops max, 80 byte packets 1

Re: Saudi Telecom sending route with invalid attributes 212.118.142.0/24

2011-09-08 Thread Raymond Dijkxhoorn
Hi! anyone else getting a route for 212.118.142.0/24 with invalid attributes? Seems this is (again) causing problems with some (older) routers/software. Announcement bits (4): 0-KRT 3-KRT 5-Resolve tree 1 6-Resolve tree 2 AS path: 6453 39386 25019 I Unrecognized

RE: Broken Teredo relay AS1101?

2011-06-24 Thread Raymond Dijkxhoorn
Hello Jimmy, I'm still seeing this behavior, which is causing a good amount of Teredo-based connectivity to fail. The relay appears to be miredo.surfnet.nl - any chance someone on the list is from SURFNet and could take a look? If you can send me offlist some traces i can check for you.

RE: Broken Teredo relay AS1101?

2011-06-24 Thread Raymond Dijkxhoorn
Hi! I'm still seeing this behavior, which is causing a good amount of Teredo-based connectivity to fail. The relay appears to be miredo.surfnet.nl - any chance someone on the list is from SURFNet and could take a look? If you can send me offlist some traces i can check for you. This

Re: SIXXS contact

2011-04-25 Thread Raymond Dijkxhoorn
Hi! would someone at SIXXS please contact me off-list regarding an account issue? Contact The main contact address for SixXS is i...@sixxs.net, which is the sole email address one should use to contact SixXS. Non-English, impolite, clueless, UCE and HTML email gets discarded automatically.

Re: Request Spamhaus contact

2011-01-17 Thread Raymond Dijkxhoorn
Hi! That's fine, but the listings don't even make sense. There is no evidence in the listing and i'm still trying to figure out a) why they think that these new listings have anything to do with the ones we already cleaned and b) which customers actually need to be removed and for specifically

Re: Request Spamhaus contact

2011-01-17 Thread Raymond Dijkxhoorn
Hi! 1) The sites were already null routed. The problem is with Spamhaus' inability to contact me prior to impacting other legitimate customers. Null routed? Its up! [root@master tmp]# host www.viagra-shopping.com www.viagra-shopping.com has address 208.64.127.78 viagra-shopping .com

Re: Request Spamhaus contact

2011-01-17 Thread Raymond Dijkxhoorn
Hi! 208.64.120.186 canadian-rx-store.org That is not in our IP space. http://whois.arin.net/rest/nets;q=208.64.120.186?showDetails=trueshowARIN=false If they claim its not theirs lets ask ARIN to revoke the space. Bye, Raymond.

Re: Re: Request Spamhaus contact

2011-01-17 Thread Raymond Dijkxhoorn
Hi! Spam does not make me nervous, it's a practical matter that we will address in due course. The null routes we have set are pretty recent so you may have received some spam prior to that time but I absolutely guarantee you that it did not come from our network, otherwise we would have

Re: {Spam?} Re: Request Spamhaus contact

2011-01-17 Thread Raymond Dijkxhoorn
Hi! Actually, that was just a brain lapse. The domain didn't resolve at all (misspelled?) and it returned the Cox default resolution. Instead of looking at typo's or misspelled stuff, can you null route the rest of the abuse reports that came in? Or should we get it added on the SBL listing

Re: Re: Request Spamhaus contact

2011-01-17 Thread Raymond Dijkxhoorn
Hi! I fat fingered the netmask, try now. HTTP request sent, awaiting response...  1 HTTP/1.1 301 Moved Permanently  2 Cache-Control: private  3 Content-Length: 0  4 Location: http://www.vertrouwdeapotheek.nl/Home.aspx  5 Server: Microsoft-IIS/7.0  6 X-AspNet-Version: 4.0.30319  7

Re: Request Spamhaus contact

2011-01-17 Thread Raymond Dijkxhoorn
Hi! Unless you guys can help find some more related IP space I think the issue has been solved. You are not able to even shutdown one thats mentioned. You keep telling us its down and null routed. Its simply not. Its alive and kicking. Bullet proof hosting rocks doesnt it? This is now:

Re: Request Spamhaus contact

2011-01-17 Thread Raymond Dijkxhoorn
Hi! I do not take you for a fool, the assignment is legitimately null routed. My traceroutes are dropping at my home ISP. I call bollocks.  It's alive and kicking via BGP here. edge1.lax01# show ip bgp 208.64.120.197/32 BGP routing table entry for 208.64.120.0/24, version 2014041464 Paths:

Re: Did your BGP crash today?

2010-08-28 Thread Raymond Dijkxhoorn
Hi! I think you blame the wrong people. The vendor should make sure that their implementation does not violate the very basics of the BGP protocol. The curious thing here is that the peer that resets the session, as required by the spec, causes the actual damage (the session reset), and not

Re: Did your BGP crash today?

2010-08-28 Thread Raymond Dijkxhoorn
Hi! Cisco posts their advisories to the NANOG list. 'The vulnerability manifests itself when a BGP peer announces a prefix with a specific, valid but unrecognized transitive attribute. On receipt of this prefix, the Cisco IOS XR device will corrupt the attribute before sending it to the

Re: net-neutrality

2010-08-11 Thread Raymond Dijkxhoorn
Hi! btw, considering that you appearantly run a larger network than the 3 networks we own and operate, willing to sell? :P That would be rarther funny Sven, you buying IBM. Sweet dreams. Bye, Raymond.

Re: Google wants your Internet to be faster

2010-08-08 Thread Raymond Dijkxhoorn
Hi! Cringely has a theory and it involves Google and Verizon, but it doesn't involve net neutrality: http://www.nytimes.com/2010/08/08/opinion/08cringeley.html?_r=2 Woow this is fantactic news. Oh wait. Didnt Akamai invent this years ago? Bye, Raymond.

Re: Emulating ADSL bandwidth shaping

2010-05-04 Thread Raymond Dijkxhoorn
Hi! - do ISPs typically use token bucket filters with large bursts to shape traffic? - what kind of burst sizes and latencies/limits are typically used for the filter? You will definitely have to account for latency. For emulating cable traffic, latencies (in the USA) will be about 60-80ms

Re: Emulating ADSL bandwidth shaping

2010-05-04 Thread Raymond Dijkxhoorn
Hi! Either you're looking only at the loop contribution, or you're in the SF bay area and nearly every typical site is available locally. Here in the relatively backwater Seattle suburbs, unless it's served by Microsoft or a content distribution network, there are substantial latencies to

Re: BGP hijack from 23724 - 4134 China?

2010-04-08 Thread Raymond Dijkxhoorn
Hi! We just got Cyclops alerts showing several of our prefixes sourced from AS23474 propagating through AS4134. Anyone else? aut-num: AS23724 as-name: CHINANET-IDC-BJ-AP descr:IDC, China Telecommunications Corporation country: CN aut-num: AS4134 as-name:

Re: ISC DHCP server failover

2010-03-17 Thread Raymond Dijkxhoorn
Hi! I am wondering if anyone has implemented the failover features of ISC DHCP? And if so, how successful has failover been in your environment? We run it on various locations and this works pretty well. Student dormitory's, and so on. Bye, Raymond.

Re: trying to analyze vispa isp outage

2010-01-10 Thread Raymond Dijkxhoorn
Hi! I have try to check BGP traffic behaviors related to recent VISPA ISP DDOS. For this task I have using BGplay and I need feedback about my analysis. If you are interested check http://extraexploit.blogspot.com/2010/01/trying-to-analyze-vispa-isp-outage_08.html Thank you for your attention.

Re: Are the Servers of Spamhaus.rg and blackholes.us down?

2009-12-31 Thread Raymond Dijkxhoorn
Hi! Are this Blacklistservers since x-mas down. We receive in the last days many errors from this servers... Exemple enclosed Anonymsed. Greeting Xaver Dec 31 10:12:37 linux-1ij2 named[14306]: too many timeouts resolving 'XXX.cn-kr.blackholes.us/A' (in 'cn-kr.blackholes.us'?): disabling

Re: Arrogant RBL list maintainers

2009-12-10 Thread Raymond Dijkxhoorn
Hi! RBLs are neither authorised (EU privacy laws anyone?), nor the appointed authority to keep databases on whats static or not. RIRs -are-, if anyone should maintain a database on such things, i'd be the rirs (which they have, it's called whois, it just lacks a field that indicates the type of

Re: Arrogant RBL list maintainers

2009-12-10 Thread Raymond Dijkxhoorn
Hi! thing is that it's illegal to maintain a database with personal details which ip addresses according to various german courts are (don't ask.. mmk? ;) ofcourse we all know ip addresses identify nodes on a network, not persons, but the germans seem to mainain a different view on this,

RE: DNS query analyzer

2009-11-30 Thread Raymond Dijkxhoorn
Hi! Anyone know of a tool that can take a pcap file from wireshark that was used to collect dns queries and then spit out statistics about the queries such as RTT and timeouts? It just so happens there is a tool aptly named DNS Analyzer by NLnet Labs. I used it a while back but if I recall

Re: Dutch ISPs to collaborate and take responsibility for bottedclients

2009-10-04 Thread Raymond Dijkxhoorn
Hi! Sounds great but who cover the costs? If done right, such a treaty here in the US and elsewhere thing would be a major win for the Internet. The ISP's will pick up the costs. A cleaner customer base is also a win for them. First implementations wont be next week however but the

RE: spamhaus drop list

2009-06-17 Thread Raymond Dijkxhoorn
Hi! Both containing prefixes that should not be announced on the internet, but often used by spammers trying to deliver their content. When did you experience this last time, this is not what we see on various antispam projects. So if you have new information, please share, we didnt see

Re: Cogent input

2009-06-11 Thread Raymond Dijkxhoorn
Hi! Cogent's official stance on IPv6 is that we will deploy IPv6 when it becomes a commercial necessity. We have tested IPv6 and we have our plan for rolling it out, but there are no commercial drivers to spend money to upgrade a network to IPv6 for no real return on investment. Thats

Re: Local Peering and Transit - BGP multihoming

2009-05-22 Thread Raymond Dijkxhoorn
Hi! Yes, i can get sample of configuration via Google search. but i am looking for best practices and from experience people. Then post your suggested config and ask for comments. Bye, Raymond.

Re: Local Peering and Transit - BGP multihoming

2009-05-22 Thread Raymond Dijkxhoorn
Hi! Yes, i can get sample of configuration via Google search. but i am looking for best practices and from experience people. Then post your suggested config and ask for comments. ...on a suitable list, dedicated to Cisco gear.. Sorry, yes. :-) Plenty of Cisco lists there to answer

Re: IPv6 Confusion

2009-02-18 Thread Raymond Dijkxhoorn
Hi! networks with visitors have shown a serious problem with rouge RAs Does that get better with RAs from the good routers turned off? Aria Stewart aredri...@nbtsc.org Is there something like RA filtering on switches yet, so end users can be filtered? Just like the dhcp stuff thats

Re: Potential Prefix Hijack

2008-11-11 Thread Raymond Dijkxhoorn
Hi! That's not true, as not all our prefixes were hijacked nor leaked, since they were originating them. If they were leaking them you might be able to see further AS's on the AS-PATH, incluiding the legitimate AS for originating those prefixes. We have seen issues like this also when a

Re: Potential Prefix Hijack

2008-11-11 Thread Raymond Dijkxhoorn
Hi! 94.46.0.0/16 194.88.142.0/23 194.11.23.0/24 82.102.0.0/18 195.246.238.0/23 194.107.127.0/24 81.92.192.0/19 193.227.238.0/23 We are trying to contact them in order to get some feedback, and some good explanation for this. The obviously were leaking full routing, are we all gonna

Re: Potential Prefix Hijack

2008-11-11 Thread Raymond Dijkxhoorn
Hi! We were hijacked aswell, by 27664 16735 Our affected prefixes were: 94.46.0.0/16 194.88.142.0/23 194.11.23.0/24 82.102.0.0/18 195.246.238.0/23 194.107.127.0/24 81.92.192.0/19 193.227.238.0/23 We are trying to contact them in order to get some feedback, and some good explanation for

Re: peeringdb admin contact?

2008-10-13 Thread Raymond Dijkxhoorn
Hi! Been trying to get someone from [EMAIL PROTECTED] to get back to me but haven't had any luck. Anyone? If you have someone responding. we have created accounts there for a couple of our customers, but still are read only level. Not really handu if you ask people on peeringforum.eu to

Re: Cisco interface - GB of transfer software

2008-09-30 Thread Raymond Dijkxhoorn
Hi! I like to use ntop (from ntop.org) for this, along with MRTG. Others prefer cacti. I found MRTG easier to setup. It comes down to personal preference. MRTG provides graphs of usage, but I'm not aware of it providing a monthly total usage (or 95% or other) in report form (though would be

Re: YAY! Re: Atrivo/Intercage: NO Upstream depeer

2008-09-24 Thread Raymond Dijkxhoorn
Hi! Thanks to the efforts of the people on this list, you've known Estdomains/Esthost was bad news for several weeks or more. [EMAIL PROTECTED] ~]# dig estdomains.com ; DiG 9.5.0-P2 estdomains.com ;; global options: printcmd ;; Got answer: ;; -HEADER- opcode: QUERY, status: NOERROR, id: