Re: Routing Loop

2008-03-15 Thread Florian Weimer
There's also somewhat odd data in RADB (look at the changed: line): route: 194.9.64.0/19 descr: SES-Newskies Customer Prefix origin:AS16422 remarks: SES-Newskies Customer Prefix notify:[EMAIL PROTECTED] mnt-by:MNT-NWSK changed: [EMAIL

Re: EU Official: IP Is Personal

2008-01-23 Thread Florian Weimer
* Eric Brunner-Williams: However, Google/DoubleClick claim they have the right to collect PII data and disclose less than their complete data collection policy, and in particular, claim that endpoint identifiers do not tend to identify individuals. Further, they assert a property claim on

Re: v6 subnet size for DSL leased line customers

2007-12-26 Thread Florian Weimer
* Leo Bicknell: In a message written on Tue, Dec 25, 2007 at 12:43:45AM -0500, Kevin Loch wrote: RA is a shotgun. All hosts on a segment get the same gateway. I have no idea what a host on multiple segments with different gateways would do. Hosting environments can get complex thanks

Re: v6 subnet size for DSL leased line customers

2007-12-26 Thread Florian Weimer
* Tim Durack: Probably why some vendors support dhcp snooping and private vlans for IPv4 - multiple clients per subnet with isolation. The isolation is far from perfect because you don't know from which host the packet actually came. 8-(

Re: v6 subnet size for DSL leased line customers

2007-12-23 Thread Florian Weimer
* Joe Greco: Right now, we might say wow, 256 subnets for a single end-user... hogwash! and in years to come, wow, only 256 subnets... what were we thinking!? Well, what's the likelihood of the only 256 subnets problem? There's a tendency to move away from (simulated) shared media

Re: European ISP enables IPv6 for all?

2007-12-18 Thread Florian Weimer
* Jeroen Massar: For a list of ISP's doing IPv6 check: http://www.sixxs.net/faq/connectivity/?faq=native Does PPPv6 still work on the T-DSL platform? 8-/ The list would be more convincing if it contained links to product pages. -- Florian Weimer[EMAIL PROTECTED] BFK edv

Re: European ISP enables IPv6 for all?

2007-12-18 Thread Florian Weimer
* Sebastian Abt: * Florian Weimer wrote: Does PPPv6 still work on the T-DSL platform? 8-/ Yes, it does. Oh. What happened to the C10K PPPoE length field bug (CSCsd13298, if I'm not mistaken)? -- Florian Weimer[EMAIL PROTECTED] BFK edv-consulting GmbH http

Re: Creating a crystal clear and pure Internet

2007-11-27 Thread Florian Weimer
* Jared Mauch: Within the next 2 major software releases (Microsoft OS) they're going to by default require signed binaries. This will be the only viable solution to the malware threat. Other operating systems may follow. (This was a WAG, based on gut feeling). The code signing CAs

Re: Hey, SiteFinder is back, again...

2007-11-04 Thread Florian Weimer
* Sean Donelan: I just wish the IETF would acknowledge this and go ahead and define a DNS bit for artificial DNS answers for all these address correction and domain parking and domain tasting people to use for their keen Web 2.0 ideas. And for all the other non-Web protocols which get

Re: Can P2P applications learn to play fair on networks?

2007-10-22 Thread Florian Weimer
* Adrian Chadd: So which ISPs have contributed towards more intelligent p2p content routing and distribution; stuff which'd play better with their networks? Perhaps Internet2, with its DC++ hubs? 8-P I think the problem is that better routing (Bittorrent content is *not* routed by the

Re: Can P2P applications learn to play fair on networks?

2007-10-21 Thread Florian Weimer
* Sean Donelan: If its not the content, why are network engineers at many university networks, enterprise networks, public networks concerned about the impact particular P2P protocols have on network operations? If it was just a single network, maybe they are evil. But when many different

Re: Can P2P applications learn to play fair on networks?

2007-10-21 Thread Florian Weimer
* Sean Donelan: On Sun, 21 Oct 2007, Mikael Abrahamsson wrote: If your network cannot handle the traffic, don't offer the services. So your recommendation is that universities, enterprises and ISPs simply stop offering all Internet service because a few particular application protocols are

Re: Can P2P applications learn to play fair on networks?

2007-10-21 Thread Florian Weimer
* Eric Spaeth: Of that group, only DSL doesn't have a common upstream bottleneck between the subscriber and head-end. DSL has got that, too, but it's much more statically allocated and oversubscription results in different symptoms. If you've got a cable with 50 wire pairs, and you can run

Re: Can P2P applications learn to play fair on networks?

2007-10-21 Thread Florian Weimer
* Sean Donelan: On Sun, 21 Oct 2007, Florian Weimer wrote: If its not the content, why are network engineers at many university networks, enterprise networks, public networks concerned about the impact particular P2P protocols have on network operations? If it was just a single network

Re: 240/4

2007-10-16 Thread Florian Weimer
* Pekka Savola: Do we need to classify anything (yet)? I say the proof is in the pudding. Once some major user decides they'll need 240/4 for something, they'll end up knocking their vendors' (probably dozens) and their own ops folks' doors. If there's risk that we'll see end user

Re: How to Handle ISPs Who Turn a Blind Eye to Criminal Activity?

2007-10-15 Thread Florian Weimer
* Steve Bertrand: Anyway, if you've got a customer account that was created with a stolen credit card, and you get complaints about activity on that account from various parties, and you still don't act, this shows a rather significant level of carelessness. Further to carelessness, this

Re: How to Handle ISPs Who Turn a Blind Eye to Criminal Activity?

2007-10-13 Thread Florian Weimer
* Mike Lewinski: Florian Weimer wrote: I don't know what case prompted Ferg to post his message to NANOG, but I know that there are cases where failing to act is comparable to ignoring the screams for help of an alleged rape victim during the alleged crime. I'm reminded of this story

Re: Content Delivery Networks

2007-08-13 Thread Florian Weimer
, but there's a certain installation base. -- Florian Weimer[EMAIL PROTECTED] BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99

Re: Questions about populating RIR with customer information.

2007-08-01 Thread Florian Weimer
* Drew Weaver: Up until recently, we were only providing the RIR database with information about our larger allocations /24 or larger. We have noticed however that many anti-spam organizations such as Spamhaus, and Fiveten will use the lack of information regarding an IP allocation as a

Re: DNS Hijacking by Cox

2007-07-23 Thread Florian Weimer
* Sean Donelan: On Sun, 22 Jul 2007, William Allen Simpson wrote: Comcast still blocks port 25. And last week, a locally well-known person was blocked from sending outgoing port 25 email to their servers from her home Comcast service. MSA port 587 is only 9 years old. I guess it takes

Re: Port 587 vs. 25

2007-07-23 Thread Florian Weimer
* Patrick W. Gilmore: IOW: ISPs have no real reason to stop port 587, they do have a reason (whether you agree it is sufficient or not) to filter port 25. Sorry for being unclear: If I block 25/TCP to *my* *own* servers for a *customer*, I will make sure that I block 587/TCP as well.

Should I worry about bogus route registry entries?

2007-07-18 Thread Florian Weimer
? Is there a blacklist of RRs which are known to deliver mostly bogus data to other RRs? -- Florian Weimer[EMAIL PROTECTED] BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99

Re: Network Level Content Blocking (UK)

2007-06-08 Thread Florian Weimer
* Jeroen Massar: I wonder how this solves the, from what I found out, common situation that people rent cheap root servers in a country like Germany where they VPN into and thus have full access to everything. In Germany, the legal framework for filtering transit traffic already exists, so

Re: Whois and the DoD

2007-06-05 Thread Florian Weimer
* Hank Nussbacher: Based on http://www.iana.org/assignments/ipv4-address-space I would assume IANA might be interested in mandating that any organization having IP space from them must operate an accessible whois server. For new address space, I agree. I'm not sure if it's worth the trouble

Re: Broadband routers and botnets - being proactive

2007-05-13 Thread Florian Weimer
* Suresh Ramasubramanian: As frequent as Gadi is with his botnet posts, insecure and wide open CPE getting deployed across a large provider is definitely operational. And if Gadi's examples are not scary enoug for you, there are far more relevant vulnerabilities. It seems that the

Re: Question on 7.0.0.0/8

2007-04-14 Thread Florian Weimer
* Iljitsch van Beijnum: Ok, I wasn't clear: the problem here is that both ARIN and RIPE claim net 25.0.0.0/8 as their own. This is pretty standard for European /8. 53/8 is yet another example (Germany has moved to five-digit zip codes since that entry was last updated). At a previous job, I

Re: Question on 7.0.0.0/8

2007-04-14 Thread Florian Weimer
* Rene Huizinga: Well, at least is is still somehow with the same party... Not quite. The organization formerly known as debis is now called T-Systems. Arin states 'Mercedes Benz AG', RIPE 'Daimler Chrysler'... One would think this would/should actually be just the other way around, but

Re: Thoughts on increasing MTUs on the internet

2007-04-12 Thread Florian Weimer
* Steven M. Bellovin: A few years ago, the IETF was considering various jumbogram options. As best I recall, that was the official response from the relevant IEEE folks: no. They're concerned with backward compatibility. Gigabit ethernet has already broken backwards compatibility and is

Re: Thoughts on increasing MTUs on the internet

2007-04-12 Thread Florian Weimer
* Steven M. Bellovin: On Thu, 12 Apr 2007 16:12:43 +0200 Florian Weimer [EMAIL PROTECTED] wrote: * Steven M. Bellovin: A few years ago, the IETF was considering various jumbogram options. As best I recall, that was the official response from the relevant IEEE folks: no. They're

Re: On-going Internet Emergency and Domain Names

2007-03-31 Thread Florian Weimer
* Fergie: While the 0-day exploit is the ANI vulnerability, there are many, many compromised websites (remember the MiamiDolhins.com embedded javascript iframe redirect?) that are using similar embedded .js redirects to malware hosted sites which fancy this exploit. And some of them have

Re: On-going Internet Emergency and Domain Names

2007-03-31 Thread Florian Weimer
* Paul Vixie: since malware isn't breaking dns, and since dns not a vector per se, the idea of changing dns in any way to try to control malware strikes me as a way to get dns to be broken in more places more often. Well, once more people learn about DLV (especially the NS override

Re: [cacti-announce] Cacti 0.8.6j Released (fwd)

2007-01-25 Thread Florian Weimer
* Ray Burkholder: How about something like: http://www.hdfgroup.org/whatishdf5.html I don't think they support transactional updates, which makes it hard to use for live data. (A simple crash, and you need to recover from backup.) -- Florian Weimer[EMAIL PROTECTED] BFK edv

Re: Google wants to be your Internet

2007-01-20 Thread Florian Weimer
* Rodrick Brown: Right now somewhat more than half of all Internet bandwidth is being used for BitTorrent traffic, which is mainly video. Yet if you surveyed your neighbors you'd find that few of them are BitTorrent users. Less than 5 percent of all Internet users are presently consuming

Re: Phishing and BGP Blackholing

2007-01-03 Thread Florian Weimer
* Neil J. McRae: I didn't see the original post but the topic came up in 2005 here in the UK as the banks here wanted to use BGP filtering in the same light. The LINX prepared a paper on the issues with BGP blackholing and recommended that if the banks want to trade on the Internet that

Re: would you run this little script, please

2007-01-02 Thread Florian Weimer
* Randy Bush: I would be glad to run the script but I just want to verify that it was you who sent it. darned good point, ron. blush yes, it was i. Ah, thanks, I've saved your message and its signature. It could prove useful in the future for some kind of social engineering attack. 8-P

Re: Bogon Filter - Please check for 77/8 78/8 79/8

2006-12-11 Thread Florian Weimer
* Jared Mauch: My recommendation is to write a letter (in german) and fax it over to their fax# with the urls clearly written out (eg: iana vs their url) showing the problem with the address space. it'll likely sufficently confuse someone that they'll be curious and research it and

Re: The IESG Approved the Expansion of the AS Number Registry

2006-12-01 Thread Florian Weimer
* Chris L. Morrow: So, all of the current devices need to get upgraded before 'day one' of 32-bit ASN use... that'll be fun :) | 6. Transition | |The scheme described in this document allows a gradual transition |from 2-octet AS numbers to 4-octet AS numbers. One can upgrade one |

Re: The IESG Approved the Expansion of the AS Number Registry

2006-12-01 Thread Florian Weimer
* Chris L. Morrow: | 6. Transition | |The scheme described in this document allows a gradual transition |from 2-octet AS numbers to 4-octet AS numbers. One can upgrade one |Autonomous System or one BGP speaker at a time. Routers on stub ASs don't need upgrading at all, for

Re: rbnnetwork.org

2006-11-01 Thread Florian Weimer
* Alexander Harrowell: 66.36.240.2 AS14361 HOPONE-DCA c-vl102-d1.acc.dca2.hopone.net.255 US Unix: 14:38:16.496 2 0 2 6 0.6 ms [+0ms] Uhm, are you a Hop One customer? In this case, it's a bit ... strange that you complain about

Re: ICMP PathMTU

2006-10-27 Thread Florian Weimer
* Jim Popovitch: Two questions for everybody...(any and all responses appreciated, even if the reply mentions botnets or hammers ;-) ) 1) What value is ICMP if everybody pretty much considers it's accuracy suspect? The problem with ICMP-based traceroutes is that it doesn't necessarily test

Re: BCP38 thread 93,871,738,435 + SPF

2006-10-27 Thread Florian Weimer
* Douglas Otis: Spam being sent through Bot farms has already set the stage for untraceable DNS attacks based upon SPF. In addition to taking out major interconnects, these attacks can: a) inundate authoritative DNS; b) requests A records from anywhere; c) probe IP address, port,

Re: BCP38 thread 93,871,738,435

2006-10-26 Thread Florian Weimer
* Steven M. Bellovin: As you note, the 20-25% figure (of addresses) has been pretty constant for quite a while. Assuming that subverted machines are uniformly distributed (a big assumption) I doubt this assumption about distribution is valid. At least over here, consumer-grade ISPs (think

HostRocket contact

2006-10-07 Thread Florian Weimer
Has anybody got a working HostRocket contact? They (or their customers) seem to have a larger security incident. 8-( Alternatively, someone at Time Warner Telecom who can get in touch with them would be helpful.

Re: Spain was offline

2006-08-31 Thread Florian Weimer
* Michael Dillon: The volume of data cached would be so small in todays terms that it only needs a low-end 1U (or single blade) server to handle this. The working set is larger than you think, I fear. I've been running something like this since summer 2004, and the gigabytes pile up rather

Re: ISP wants to stop outgoing web based spam

2006-08-11 Thread Florian Weimer
* Hank Nussbacher: Please show me which virus scanner scans html pages for the words like V I A G R A, or Free M O R T G A G E, as it is going outbound. I assumed your Internet cafe example was the concrete scenario you were trying to address. There are quite a few scaners which contain

Re: ISP wants to stop outgoing web based spam

2006-08-10 Thread Florian Weimer
* Hank Nussbacher: Back in 2002 I asked if anyone had a solution to block or rate limit outgoing web based spam. What is web-based spam? Comment spam? Wiki defacements? Or do you want to stop spam sent via web mailers? That's their job. They know more about their customers than you, and

Re: ISP wants to stop outgoing web based spam

2006-08-10 Thread Florian Weimer
* Hank Nussbacher: I guess I wasn't clear enough in my first posting. I am not interested in smtp (port 25 spam). We have that covered. I am only interested in blocking outgoing web based spam. A user sits and sends out spam via automated tools via Hotmail, Yahoo, Gmail, or whatever

Re: ISP wants to stop outgoing web based spam

2006-08-10 Thread Florian Weimer
* Suresh Ramasubramanian: Yes, Sean - they are. But it is far, far more productive for the source of this abuse to be choked off. Call it the difference between using mosquito repellant and draining a huge pool of stagnant water just outside your home. How can I, as an ISP, stop abuse

Re: Detecting parked domains

2006-08-09 Thread Florian Weimer
* Jeremy Chadwick: On Wed, Aug 02, 2006 at 09:10:31PM +0200, Florian Weimer wrote: Has anyone come up with a quick method for detecting if a domain name is parked, but is not being used except displaying ads? AFAICT, the main challenge is to define what parked means in the context

Re: Detecting parked domains

2006-08-02 Thread Florian Weimer
* Sean Donelan: Has anyone come up with a quick method for detecting if a domain name is parked, but is not being used except displaying ads? AFAICT, the main challenge is to define what parked means in the context of your application.

Re: Best practices inquiry: filtering 128/1

2006-07-11 Thread Florian Weimer
* Patrick W. Gilmore: Actually, I take that back. Why wouldn't you just get a feed from Cymru http://www.cymru.com/Bogons/index.html ?? I don't think Team Cymru offers a feed of what is supposed to be in the routing table. 128/1 isn't a bogon. It's not even that useful for hijacking adress

Re: Net Neutrality Legislative Proposal

2006-07-11 Thread Florian Weimer
* Seth Johnson: (A) Internet.— The term “Internet” means the worldwide, publicly accessible system of interconnected computer networks that transmit data by packet switching using the standard Internet Protocol (IP), some

Re: Sitefinder II, the sequel...

2006-07-11 Thread Florian Weimer
* Steven M. Bellovin: The second is the precedent that's set -- who gets to decide what zones are excluded from the tree? OpenDNS? Sure -- and to whom do they listen? Are any sites to be ruled out on political grounds? Ideological? Not today, sure, and (I assume) not by OpenDNS -- but

Re: Net Neutrality Legislative Proposal

2006-07-11 Thread Florian Weimer
* Mark Newton: On Tue, Jul 11, 2006 at 07:58:48AM +0200, Florian Weimer wrote: (I've wondered for quite some time if net neutrality implies that Ebay or Google must carry third party traffic on their corporate networks, by the way.) eBay and Google aren't selling transit. Neither

Re: Net Neutrality Legislative Proposal

2006-07-11 Thread Florian Weimer
* Mark Newton: On Tue, Jul 11, 2006 at 09:39:50AM +0200, Florian Weimer wrote: * Mark Newton: On Tue, Jul 11, 2006 at 07:58:48AM +0200, Florian Weimer wrote: (I've wondered for quite some time if net neutrality implies that Ebay or Google must carry third party traffic

Re: Net Neutrality Legislative Proposal

2006-07-11 Thread Florian Weimer
* Mark Newton: I think you're missing the point, Florian. Regardless of any retail restrictions, the fact still remains that your local Cable company is selling connectivity to other peoples' autonomous systems. Then why do the ads promote their new chat service, instead the

Re: Net Neutrality Legislative Proposal

2006-07-11 Thread Florian Weimer
* Fergie: I disagree with your statement on NAT end-points not being publicly accessible -- that's certainly not true, and a myth that needs to be finally killed. From a security point of view, they are still accessible. From an operational point of view, they are not, at least not on the

Re: Fanless x86 Server Recommendations

2006-07-01 Thread Florian Weimer
* Mike Tancsa: Many mini-itx boxes dont have 2 PCI slots. You might be better going with a mini-itx solution and then use a small switch and trunk the NIC to act as a VLAN router. Are there any fanless routers with proper 802.1Q support (with ingress VLAN tag filtering, for instance)?

Re: Fanless x86 Server Recommendations

2006-06-30 Thread Florian Weimer
* Mike Tancsa: Many mini-itx boxes dont have 2 PCI slots. You might be better going with a mini-itx solution and then use a small switch and trunk the NIC to act as a VLAN router. Are there any fanless routers with proper 802.1Q support (with ingress VLAN tag filtering, for instance)?

Re: Interesting new spam technique - getting a lot more popular.

2006-06-14 Thread Florian Weimer
* Christopher L. Morrow: On Wed, 14 Jun 2006, Suresh Ramasubramanian wrote: http://thespamdiaries.blogspot.com/2006/02/new-host-cloaking-technique-used-by.html * Monitor your local network for interfaces transmitting ARP responses they shouldn't be. how about just mac security on

Re: Interesting new spam technique - getting a lot more popular.

2006-06-14 Thread Florian Weimer
* Christopher L. Morrow: is it really that hard to make your foudry/extreme/cisco l3 switch vlan and subnet??? Is this a education thing or a laziness thing? You need those L3 switches before you can do this. Obviously, L2 gear is much cheaper, and will work equally well until it is

Re: Black Frog - the botnets keep coming

2006-05-26 Thread Florian Weimer
* Gadi Evron: Ignoring is the high-road. How long are we going to cry about the Internet being a battle-ground, the wild west, or whatever else if we legitimize DDoS? The project needs to gather supporters before they can do any real damage. Reports exposing their nefarious practices are

Re: Black Frog - the botnets keep coming

2006-05-25 Thread Florian Weimer
* Gadi Evron: http://news.google.com/news?q=black+frog How do we make this folly stop? Ignore it? It's an inactive Sourceforge project (with some Google forums attached), and news reports seem to be based on a Slashdot diary entry announcing it:

Re: DNS Amplification Attacks

2006-03-22 Thread Florian Weimer
* Peter Dambier: In germany censoring is commonplace. You have to use foraign resolvers to escape it. There is a lot collateral dammage too - governement has provided the tools. This is not true. There has been some questionable advice by a regulatory body, though. Most damage is done by

Re: DNS Amplification Attacks

2006-03-22 Thread Florian Weimer
* Andy Davidson: DNS looking glasses, in much the same way that we use web-form based BGP or traceroute looking glasses today. Open resolvers are far better then looking glasses to assess the state of DNS, and we are campaigning against them. You can't have it both ways. 8-(

Re: DNS Amplification Attacks

2006-03-22 Thread Florian Weimer
* Peter Dambier: This is not true. There has been some questionable advice by a regulatory body, though. Most damage is done by ISPs which simply do not adjust the filters to the moving target and run them as-is since 2001 or so. Null routes tend to filter a different customer after such

Re: Security problem in PPPoE connection

2006-03-12 Thread Florian Weimer
* Joe Shen: What's your method to deal with such problem? Will CHAP in PPPoE help? AFAIK, CHAP does not authenticate the terminal server, either, so it won't stop all attacks.

Re: Security problem in PPPoE connection

2006-03-12 Thread Florian Weimer
* Steven M. Bellovin: CHAP can be bidirectional. I stand corrected. However, the value of this type of authentication is rather questionable if the underlying communication channel is so horribly insecure.

Re: Disaster recovery using as-prepend?

2006-02-16 Thread Florian Weimer
* Christopher J. Pilkington: We have a disaster recovery site which will have a clone of the myriad production servers. We'd like to fail over to that site automagically. I'm thinking advertising the same prefix and just doing several as-prepends. However, now I'm not sure if this is a

Re: Fed Bill Would Restrict Web Server Logs

2006-02-14 Thread Florian Weimer
* Frank Louwers: Strange thing is that we have exact the opposite here in Europe. There is a new bill that has been passed that forces us to keep al logs (mail and web) for at least 1 or 2 years. It's not a bill, it's a EU directive which still has to be implemented in national law. Nothing

Re: ml hacks for goodmail

2006-02-07 Thread Florian Weimer
* Randy Bush: so, anyone working on the majordomo and mailman hacks for goodmail? i am sorry, but you can not subscribe to this list from an aol.com address. don't ask us to explain, ask [EMAIL PROTECTED] or am i missing something here? clue-bat if so, please. I don't expect the existing

Re: AW: Odd policy question.

2006-01-14 Thread Florian Weimer
* Jeffrey I. Schiller: Let me attempt to bring this back to the policy question. Does someone have the *right* to put one of your IP addresses as an NS record for their domain even if you do not agree? I don't think it's allowed (and it shouldn't be), but without a cluestick from legal, you

Re: AW: Odd policy question.

2006-01-14 Thread Florian Weimer
* Randy Bush: it is a best practice to separate authoritative and recursive servers. why? e.g. a small isp has a hundred auth zones (secondaried far away and off-net, of course) and runs cache. why should they separate auth from cache? Some registrars require that you begin to serve the

Re: Is my router owned? How would I know?

2006-01-12 Thread Florian Weimer
If there is a new user account, or if the enable and access passwords have changed, look out! The miscreants love to scan and find routers with cisco as the access and enable passwords. I thought everyone sensible put ACLs on vtys. Guess I was wrong. I've seen ACL-less VTYs because someone

Re: do bogon filters still help?

2006-01-11 Thread Florian Weimer
* william elan net: For those doing similar exercise, you might want to look at rephrased version of rfc330 listed blocks: http://www.completewhois.com/iana-ipv4-specialuse.txt You should move 192.88.99.0/24 from SPECIAL to YES (although you shouldn't see source addresses from that prefix,

Re: do bogon filters still help?

2006-01-11 Thread Florian Weimer
* Martin Hannigan: You should move 192.88.99.0/24 from SPECIAL to YES (although you shouldn't see source addresses from that prefix, no matter what the folks at bit.nl think). 169.254.0.0/16 should be NO (otherwise it wouldn't be link-local). Good example as to why to use authoratative

Re: do bogon filters still help?

2006-01-11 Thread Florian Weimer
* william elan net: You should move 192.88.99.0/24 from SPECIAL to YES (although you shouldn't see source addresses from that prefix, no matter what the folks at bit.nl think). 169.254.0.0/16 should be NO (otherwise it wouldn't be link-local). I think you just explained it yourself why

Re: do bogon filters still help?

2006-01-11 Thread Florian Weimer
* Pim van Pelt: Hi Florian, others, | You should move 192.88.99.0/24 from SPECIAL to YES (although you | shouldn't see source addresses from that prefix, no matter what the | folks at bit.nl think). 169.254.0.0/16 should be NO (otherwise it | wouldn't be link-local). Hi, here's a

Re: Compromised machines liable for damage?

2005-12-27 Thread Florian Weimer
* Martin Hannigan: Dave, RIAA wins almost 100pct vs p2p'ers ir sues. Its an interesting dichotomy. Sure, but copyright law is a bit out of proportion. Maybe you could hunt down the bad guys if they packeted you with Celine Dion

Re: Infected list

2005-12-26 Thread Florian Weimer
* Barrett G. Lyon: Here is a list of the compromised machines used in this new botnet we found in California. These are all web servers connected to good bandwidth and they are attacking us, so as a nice little holiday gift to me, please clean your network up if these are on your

Re: Infected list

2005-12-26 Thread Florian Weimer
* Scott Morris: Not to mention that many IP's may be set to one device, yet there are multiple things NAT'd behind it. Are there any devices which perform non-static NAT and can forward significant DoS traffic? 8-) Perhaps if it's just a single flow, but this kind of DoS traffic would be

Re: The Qos PipeDream

2005-12-16 Thread Florian Weimer
* Sean Donelan: ATT, Global Crossing, Level3, MCI, Savvis, Sprint, etc have sold QOS services for years. Level3 says 20% of the traffic over its backbone is better than Best-Effort. Well, are you sure these traffic classes are actually enforced at the router level? Maybe it's just a

Re: Clueless anti-virus products/vendors

2005-12-07 Thread Florian Weimer
* Steven M. Bellovin: A-V companies are in the business of analyzing viruses. Many offer analysis services, but this is done upon special request, and only if you pay extra. They should *know* how a particular virus behaves. You don't need to know what the virus does in order to detect it

Re: Sober

2005-12-02 Thread Florian Weimer
* Dennis Dayman: Interested, but I see many Sober postings and outages on other lists and not here...has anyone been having issues? I know the ISP's are fighting the living out of the virus. As far as I know. mainly webmail providers were affected, and their issues are traditionally not

Re: IP Prefixes are allocated ..

2005-11-27 Thread Florian Weimer
* Christopher L. Morrow: he might be satisfied with: mail.pch.net. 86400 IN A 206.220.231.1 :~ host -W 6 -R 10 -t txt 1.231.220.206.asn.routeviews.org 1.231.220.206.asn.routeviews.org text 3856 206.220.228.0 22 which is AS 3856 routing 206.220.228.0/22 ... which

Re: IP Prefixes are allocated ..

2005-11-27 Thread Florian Weimer
* Christopher L. Morrow: asn.routeviews.org doesn't do longest-prefix matching, so you need a short Perl script to get the correct ASN, attached below. However, which means host -t txt ip will return more than one record, yes? Exactly. so he can just scan for the longest length in the

Re: BGP Security and PKI Hierarchies

2005-11-26 Thread Florian Weimer
* Valdis Kletnieks: On Thu, 24 Nov 2005 20:26:56 +0100, Florian Weimer said: Wouldn't this provide significant economic incentive towards gaining a high value on this metric? I'm not sure if this a good idea because even if you call it a trust metric, it does not have to correspond

Re: BGP Security and PKI Hierarchies

2005-11-25 Thread Florian Weimer
* Michael Dillon: How would you feel about having the registries serve as the root of a hierarchical certificate system? What about the swamp space? Presumably if the users of class C blocks in the swamp The class B assignments are even more interesting because some of them have been

Re: BGP Security and PKI Hierarchies

2005-11-24 Thread Florian Weimer
* Sandy Murphy: How would you feel about having the registries serve as the root of a hierarchical certificate system? What about the swamp space? So an institution would have its certificate signed by its upstream (or one of its upstream) providers. (Don't know where that quote comes

Re: BGP Security and PKI Hierarchies

2005-11-24 Thread Florian Weimer
* Steven M. Bellovin: Furthermore, given that a trust algebra may yield a trust value, rather than a simple 0/1, is it reasonable to use that assessment as a BGP preference selector? That would tie the security very deeply -- too deeply? -- into BGP's guts. Wouldn't this provide

Re: BGP Security and PKI Hierarchies

2005-11-24 Thread Florian Weimer
* Bill Woodcock: Right. The idea was to lock down things which were in the legacy space, unless people were prepared to undergo the full scrutiny of having them transferred into an RIR (basically dampen the rash of hijackings), In the end, this boils down to disappropriation. Early

Re: ICANN and Verisign settle over SiteFinder

2005-10-25 Thread Florian Weimer
* william elan net: They get to continue to be .COM registry forever as new agreement would extend to 2012 and then automatically extended further without formal process as it happened recently for .NET. They also are going to be able to increase registry fees for .COM by 7% per year which

Re: Level 3 RFO

2005-10-24 Thread Florian Weimer
* Daniel Roesen: On Sun, Oct 23, 2005 at 09:48:58PM +0200, Florian Weimer wrote: This isn't the first time this has happened to an ISP. 8-( Indeed. Are there any configuration tweaks which can locally confine such an event? Something like the hard prefix limit for BGP, perhaps. JunOS

Re: Level 3 RFO

2005-10-24 Thread Florian Weimer
* Daniel Roesen: On Mon, Oct 24, 2005 at 01:25:23PM +0200, Florian Weimer wrote: Are there any configuration tweaks which can locally confine such an event? Something like the hard prefix limit for BGP, perhaps. JunOS: set protocols ospf prefix-export-limit n set protocols isis

Re: ICANN and Verisign settle over SiteFinder

2005-10-24 Thread Florian Weimer
* Chris Woodfield: Said the flowerpot: Oh no, not again... http://www.businessweek.com/ap/financialnews/D8DEL2TO7.htm? campaign_id=apn_tech_downchan=tc I don't understand what VeriSign receives in return for their kowtow (under the agreement, they basically waive any right to criticize

Re: h-root-servers.net (Level3 Question)

2005-10-23 Thread Florian Weimer
* Daniel Roesen: On Sun, Oct 23, 2005 at 11:59:15AM +0200, Peter Dambier wrote: I means, here in germany we cannot see h.root-servers.net Nonsense. There is nothing like geopolitical routing. I wouldn't call it geopolitical routing, routing according to local policy is more appropriate.

Re: Level 3 RFO

2005-10-23 Thread Florian Weimer
However, due to the number of flooded LSAs, other devices in the Level 3 network had difficulty fully loading the OSPF tables and processing the volume of updates. This caused abnormal conditions within portions of the Level 3 network. Manual intervention on specific routers was required

Re: IPv6 news

2005-10-12 Thread Florian Weimer
* Daniel Roesen: On Wed, Oct 12, 2005 at 11:13:12AM -1000, Randy Bush wrote: also to be noted is that rir statistics on who has what space are not in the best of shape, ripe's being particularly obfuscated. *raising an eyebrow* Would you care to elaborate on that? AFAIK, the status of

Re: TLD anycast clouds?

2005-10-05 Thread Florian Weimer
* Joe Abley: On 5-Oct-2005, at 05:53, william(at)elan.net wrote: 2002::/16 AS3344 - 6to4 relay anycast - no longer done, right?? 6to4 is alive and well. For some values of. I believe the bit.nl 6to4 gateway still generates IPv4 packets with non-routable source addresses, which are uRPFed

Re: router worms and International Infrastructure

2005-09-19 Thread Florian Weimer
* Gadi Evron: I would really like to hear some thoughts from the NANOG community on threats such as the one described above. Let us not get into an argument about 0-days and consider how many routers are actually patched the first... day.. week, month? after a vulnerability is released.

  1   2   >