Re: Abuse response [Was: RE: Yahoo Mail Update]

2008-04-16 Thread Valdis . Kletnieks
On Wed, 16 Apr 2008 00:38:33 CDT, Chris Boyd said: > - I'd like to see an actual response beyond an autoreply saying that you > can't tell me who the customer is or what actions were taken. Well, let's see. If you're reporting abuse coming from my AS, it's almost certainly one of 2 things: 1)

Re: Abuse response [Was: RE: Yahoo Mail Update]

2008-04-15 Thread Valdis . Kletnieks
On Tue, 15 Apr 2008 19:14:52 EDT, Joe Abley said: > The downside to such a plan from the customer's perspective is that > I'm pretty sure most of us would have been really bad helpdesk people. > There's a lot of skill in dealing with end-users that is rarely > reflected in the org chart or p

Re: Fwd: Problems sending mail from .mumble

2008-04-14 Thread Valdis . Kletnieks
On Mon, 14 Apr 2008 08:47:04 PDT, Eric Brunner-Williams said: > The issue is whether "exe" in the root will break something. Rather than > just ask for a few well-known suffixes, and forgetting some, and leaving > out "ps" as it is already assigned to a ccTLD, I've picked on the > MIME-TYPE set

Re: Fwd: Problems sending mail from .mumble

2008-04-14 Thread Valdis . Kletnieks
On Sun, 13 Apr 2008 17:50:25 EDT, Barry Shein said: > > So this is (yet another) fishing expidition -- as MIME types are a handy > > list, if any of those strings were present in a header, as in > > [EMAIL PROTECTED], would any well-known thingee choke? As a practical matter, 'bar.mime-type'

Re: Bandwidth issues in the Sprint network

2008-04-07 Thread Valdis . Kletnieks
On Mon, 07 Apr 2008 15:06:21 EDT, Brian Raaen said: > have gotten from Sprint up to this point is that they find no problems. Due > to the consistency of 5Mbps I am suspecting rate limiting, but wanted to know > if I was overlooking something else. TCP window size tuning? I'd look there first...

Re: Superfast internet may replace world wide web

2008-04-07 Thread Valdis . Kletnieks
On Mon, 07 Apr 2008 20:21:26 +0530, Glen Kent said: > > says the solemn headline of Telegraph. > > http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2008/04/06/ninternet106.xml So yoy get higher bandwidth (physical pipe allowing) by downloading from a "grid" of systems. Sounds suspiciously l

Re: Superfast internet may replace world wide web

2008-04-07 Thread Valdis . Kletnieks
On Mon, 07 Apr 2008 17:36:09 +0200, Thomas Kernen said: > And those of us that live next to the LHC wonder if we will be sucked > into a {vortex|wormhole}. You mean like this? http://ars.userfriendly.org/cartoons/?id=20080406&mode=classic pgplzlVbya2JN.pgp Description: PGP signature

Re: cooling door

2008-04-01 Thread Valdis . Kletnieks
On Tue, 01 Apr 2008 16:48:47 MDT, Michael Loftis said: > Yeah except in a lot of areas there is no MAN, and the ILECs want to bend > you over for any data access. I've no idea how well the MAN idea is coming > along in various areas, but you still have to pay for access to it somehow, > and th

Re: NXDOMAIN data needed for survey

2008-03-30 Thread Valdis . Kletnieks
On Fri, 28 Mar 2008 14:25:22 PDT, Scott Weeks said: > Why would you assume this? That wouldn't be my first assumption after > reading the thread. I would assume folks would Do The Right Thing. There is no Right Thing that is *so* obviously right that some significant fraction of the community w

Re: default routes question or any way to do the rebundant

2008-03-21 Thread Valdis . Kletnieks
On Fri, 21 Mar 2008 17:15:06 EDT, [EMAIL PROTECTED] said: > mailing list. Isn't this akin to posting to a profesional mathematics forum > asking for help with your Algebra? In 1943 he (Einstein) answered a little girl who had difficulties in school with mathematics. "Do not worry about your diff

Re: default routes question or any way to do the rebundant

2008-03-21 Thread Valdis . Kletnieks
On Fri, 21 Mar 2008 16:44:39 EDT, Martin Hannigan said: > > > I dont think that there's any issue at all to be honest. NANOG isn't > just for the clued. > > And more to the point - if somebody manages to go through all the hoops needed to ask a basic question on the NANOG list, it demonstrate

Re: IPv6 on SOHO routers?

2008-03-12 Thread Valdis . Kletnieks
On Wed, 12 Mar 2008 15:06:24 CDT, Frank Bulk - iNAME said: > Slightly off-topic, but tangentially related that I'll dare to ask. > > I'm attending an "Emerging Communications" course where the instructor > stated that there are SOHO routers that natively support IPv6, pointing to > Asia specifical

Re: Customer-facing ACLs

2008-03-07 Thread Valdis . Kletnieks
On Fri, 07 Mar 2008 13:55:05 CST, Justin Shore said: > I'm assuming everyone uses uRPF at all their edges already so that > eliminates the need for specific ACEs with ingress/egress network > verification checks. You're new here, aren't you? :) pgpck6mspgZyp.pgp Description: PGP signature

Re: BGP prefix filtering, how exactly? [Re: YouTube IP Hijacking]

2008-02-25 Thread Valdis . Kletnieks
On Mon, 25 Feb 2008 15:29:01 EST, Randy Epstein said: > > Our own or our singlehomed customers' address space -- we would reject ^^^ > > such an advertisement. The same inbound consistency check applies to > > peers and upstreams/transits. > What do you do when one of y

Re: photo: transatlantic cables coming ashore

2008-02-08 Thread Valdis . Kletnieks
On Fri, 08 Feb 2008 18:38:36 EST, Sean Donelan said: > self-inflicted denial of service. Do you think the US Embassy in > Moscow really trusts the Moscow telephone company? Not after we let them *build* the embassy building, we didn't pgpB9OmQKXniC.pgp Description: PGP signature

Re: EU Official: IP Is Personal

2008-01-24 Thread Valdis . Kletnieks
On Thu, 24 Jan 2008 22:33:20 PST, Owen DeLong said: > > And oddly enough, license plates on cars act *exactly the same way* - but > > nobody seems at all surprised when police can work backwards from a plate > > and come up with a suspect (who, admittedly, may not have been > > involved if > > t

Re: EU Official: IP Is Personal

2008-01-24 Thread Valdis . Kletnieks
On Thu, 24 Jan 2008 20:39:53 PST, [EMAIL PROTECTED] said: > What we can do with IP addresses is conclude that the user of the > machine with an address is likely to be one of its usual users. We > can't say that with 100% certainty, because there are any number of > ways people can get "unusual" a

Re: EU Official: IP Is Personal

2008-01-24 Thread Valdis . Kletnieks
On Thu, 24 Jan 2008 14:35:41 PST, Owen DeLong said: > I'm sorry, but, I have a great deal of difficulty seeing how an IP can > be considered personally identifying. I dunno. I think I have a pretty good guess of who 192.159.10.227 is, or at least who it was as of 14:35 -0800 today. pgpjmGn60

Re: request for help w/ ATT and terminology

2008-01-17 Thread Valdis . Kletnieks
On Thu, 17 Jan 2008 21:29:37 GMT, "Steven M. Bellovin" said: > You don't always want to rely on the DNS for things like firewalls and > ACLs. DNS responses can be spoofed, the servers may not be available, > etc. (For some reason, I'm assuming that DNSsec isn't being used...) Been there, done t

Re: request for help w/ ATT and terminology

2008-01-17 Thread Valdis . Kletnieks
On Thu, 17 Jan 2008 09:15:30 CST, Joe Greco said: > make this a killer. That could include things such as firewall rules/ACL's, > recursion DNS server addresses, VPN adapters, VoIP equipment with stacks too > stupid to do DNS, etc. I'll admit that fixing up /etc/resolv.conf and whatever the Windo

Re: ISPs slowing P2P traffic...

2008-01-09 Thread Valdis . Kletnieks
On Wed, 09 Jan 2008 15:36:50 EST, Matt Landers said: > > Semi-related article: > > http://ap.google.com/article/ALeqM5gyYIyHWl3sEg1ZktvVRLdlmQ5hpwD8U1UOFO0 Odd, I saw *another* article that said that while the FCC is moving to investigate unfair behavior by Comcast, Congress is moving to invest

Re: ISPs slowing P2P traffic...

2008-01-09 Thread Valdis . Kletnieks
On Wed, 09 Jan 2008 15:04:37 EST, Deepak Jain said: > Encouraging "encryption" of more protocols is an interesting way to > discourage this kind of shaping. Dave Dittrich, on another list yesterday: > They're not the only ones getting ready. There are at least 5 anonymous > P2P file sharing net

Re: Assigning IPv6 /48's to CPE's?

2008-01-03 Thread Valdis . Kletnieks
On Thu, 03 Jan 2008 10:17:37 EST, William Herrin said: > In my ever so humble opinion, IPv6 will not reach significant > penetration at the customer level until NAT has been thoroughly > implemented. Corporate information security officers will insist. > Here's the thing: a stateful non-NAT firewa

Re: IPv4 BGP Table Reduction Analysis - Prefixes Filter by RIRs Minimum Allocations Boundaries

2007-12-02 Thread Valdis . Kletnieks
On Sun, 02 Dec 2007 09:59:19 EST, Andy Davidson said: > On 29 Nov 2007, at 22:05, Eduardo Ascenco Reis wrote: > > The methodology shows a good efficiency (around 40%) reducing BGP > > table size, but the estimated number of affect prefixes are also > > high (around 30%). > > This is an intere

Re: [nanog] Connections among ASes (fwd)

2007-11-29 Thread Valdis . Kletnieks
On Thu, 29 Nov 2007 20:49:13 CST, Chengchen Hu said: > Suppose the following example. ISP A has a router A1 in IXP1 and a router A2 > in > IXP2; and ISP B has a routers B1 in IXP1 and a router B2 in IXP2. It is > possible that we have DIRECT link A1A2 and B1B2 to connnect two IXPs, but I > don't

Re: Creating a crystal clear and pure Internet

2007-11-27 Thread Valdis . Kletnieks
On Tue, 27 Nov 2007 22:04:23 +0100, Florian Weimer said: > There's also the issue that you can't reliably tell data (which, > presumably, does not need to be signed) from code. And "active content" is what happens when you *intentionally* blur the data/ code distinction. Unfortunately, it's (a) w

Re: Creating a crystal clear and pure Internet

2007-11-27 Thread Valdis . Kletnieks
On Tue, 27 Nov 2007 10:03:55 EST, Jared Mauch said: > 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

Re: Creating a crystal clear and pure Internet

2007-11-27 Thread Valdis . Kletnieks
On Tue, 27 Nov 2007 09:38:40 EST, Sean Donelan said: > Some people have compared unwanted Internet traffic to water pollution, > and proposed that ISPs should be required to be like water utilities and > be responsible for keeping the Internet water crystal clear and pure. What's the networking e

Re: unwise filtering policy from cox.net

2007-11-20 Thread Valdis . Kletnieks
On Tue, 20 Nov 2007 18:45:50 EST, "Raymond L. Corbin" said: > Heh better then my all time favorite was the "mailbox is full" reply > from an abuse@ address for an ISP based in Nigeria who had a few servers > trying to open umpteen fraud accounts :D I've seen my share of 800-pound gorillas (we're t

Re: unwise filtering policy from cox.net

2007-11-20 Thread Valdis . Kletnieks
On Tue, 20 Nov 2007 11:21:19 PST, [EMAIL PROTECTED] said: > This seems a rather unwise policy on behalf of cox.net -- their customers > can originate scam emails, but cox.net abuse desk apparently does not care > to hear about it. Seems to be perfectly wise if you're a business and care more abo

Re: AOL Postmaster issues

2007-11-19 Thread Valdis . Kletnieks
On Mon, 19 Nov 2007 11:33:51 EST, Drew Weaver said: > Our abuse department has been receiving e-mails daily with our feedback loop > with AOL about e-mails which were 'supposedly' sent about a year ago. It's amazing how often I see time-warp mail caused by somebody recovering a busticated system,

Re: Any help for forwarding Yahoo! Mail?

2007-10-29 Thread Valdis . Kletnieks
On Mon, 29 Oct 2007 14:33:57 EDT, Jim Popovitch said: > Please only reply to the list, not to From:/Reply-To: AND the list You could at least have set a Reply-To: so that those people who mindlessly hit 'reply' would have your desired reply destination already filled in. Requesting that people re

Re: BitTorrent swarms have a deadly bite on broadband nets

2007-10-24 Thread Valdis . Kletnieks
On Thu, 25 Oct 2007 02:33:35 BST, [EMAIL PROTECTED] said: > I really think that a two-tiered QOS system such as the scavenger > suggestion is workable if the applications can do the marking. Has > anyone done any testing to see if DSCP bits are able to travel unscathed > through the public Interne

Re: BitTorrent swarms have a deadly bite on broadband nets

2007-10-24 Thread Valdis . Kletnieks
On Wed, 24 Oct 2007 15:44:53 BST, Rod Beck said: > The vast bulk of users have no idea how many bytes they consume each > month or the bytes generated by different applications. Note that in many/most cases, the person signing the agreement and paying the bill (the parental units) are not the ones

Re: BitTorrent swarms have a deadly bite on broadband nets

2007-10-22 Thread Valdis . Kletnieks
On Tue, 23 Oct 2007 00:35:21 EDT, Sean Donelan said: > This doesn't explain why many universities, most with active, symmetric > ethernet switches in residential dorms, have been deploying packet shaping > technology for even longer than the cable companies. If the answer was > as simple as upgra

Re: The next broadband killer: advanced operating systems?

2007-10-22 Thread Valdis . Kletnieks
On Mon, 22 Oct 2007 19:39:48 PDT, Hex Star said: > I can see "advanced operating systems" consuming much more bandwidth > in the near future then is currently the case, especially with the web > 2.0 hype. You obviously have a different concept of "near future" than the rest of us, and you've appa

Re: 240/4

2007-10-18 Thread Valdis . Kletnieks
On Thu, 18 Oct 2007 14:53:58 MDT, Alain Durand said: > Or simply ask IANA to open up 256/5. After all, this is just an entry in a > table, should be easy to do, especially if it is done on Apr 1st. ;-) And to think that we all laughed at Eugene Terrell pgp1oANR5GLQa.pgp Description: PGP sig

Re: 240/4

2007-10-17 Thread Valdis . Kletnieks
On Thu, 18 Oct 2007 00:41:39 BST, [EMAIL PROTECTED] said: > This is not the case. We want to release 240/4 as a solution for those > organizations that are in a position to control enough variables to make > it useful. For those organizations, 240/4 space could buy a LOT of time, > maybe even year

Re: How Not to Multihome

2007-10-09 Thread Valdis . Kletnieks
On Tue, 09 Oct 2007 14:01:40 EDT, "Patrick W. Gilmore" said: > Considering the number of inconsistently originated prefixes has been > non-trivial for at least a decade, I have trouble believing this is a > huge threat to the internet. Or even those 1500 NOC monkeys. (And > wouldn't it be

Re: How Not to Multihome

2007-10-09 Thread Valdis . Kletnieks
On Mon, 08 Oct 2007 21:32:50 EDT, "Patrick W. Gilmore" said: > On Oct 8, 2007, at 6:45 PM, Justin M. Streiner wrote: > > I never said it was. My experience, both in my previous life as > > the operator of a regional ISP and since then in other capacities > > is that having disjoint origins for

Re: Access to the IPv4 net for IPv6-only systems, was: Re: WG Action: Conclusion of IP Version 6 (ipv6)

2007-10-05 Thread Valdis . Kletnieks
On Fri, 05 Oct 2007 18:56:48 +0200, Mohacsi Janos said: > controller can force enable/disable. I don't see how RIAA can lobby for > switching off privacy enhancement - disabling certain component of the > operating system?. Consider the fact that they lobbied *and got* 17 USC 512 takedowns, and

Re: Access to the IPv4 net for IPv6-only systems, was: Re: WG Action: Conclusion of IP Version 6 (ipv6)

2007-10-05 Thread Valdis . Kletnieks
On Fri, 05 Oct 2007 17:42:05 +0200, Mohacsi Janos said: > Except if you are using privacy enhanced ipv6 addresses a la RFC 3041 Which is more likely: 1) The RIAA successfully lobbies for a network that basically prohibits rfc3041. 2) The consumers successfully lobby for a network that permits/re

Re: Access to the IPv4 net for IPv6-only systems, was: Re: WG Action: Conclusion of IP Version 6 (ipv6)

2007-10-05 Thread Valdis . Kletnieks
On Thu, 04 Oct 2007 22:35:33 +0200, Iljitsch van Beijnum said: > Business folks once ruled the internet but those days are over. The > consumer is king. Given yesterday's RIAA victory in their lawsuit in Minnesota, I expect the RIAA will start lobbying for more ways to easily identify the indiv

Re: Access to the IPv4 net for IPv6-only systems, was: Re: WG Action: Conclusion of IP Version 6 (ipv6)

2007-10-01 Thread Valdis . Kletnieks
On Mon, 01 Oct 2007 14:39:16 EDT, John Curran said: > Now the more interesting question is: Given that we're going > to see NAT-PT in a lot of service provider architectures to make > deploying IPv6 viable, should it be considered a general enough > transition mechanism to be Proposed Sta

Re: Going dual-stack, how do apps behave and what to do as an operator (Was: Apple Airport Extreme IPv6 problems?)

2007-09-24 Thread Valdis . Kletnieks
On Mon, 24 Sep 2007 23:35:12 +1200, Nathan Ward said: > Probably doesn't work so well if you have 6k people behind the same > NAT, and they all try and use proto-41, though. If you have 6,000 people behind a single NAT, proto-41 is probably the least of your concerns, and Randy Bush may or may

Re: Bee attack, fiber cut, 7-hour outage

2007-09-21 Thread Valdis . Kletnieks
On Fri, 21 Sep 2007 15:38:30 EDT, Deepak Jain said: > Anytime you talk about "rural" I'm impressed with 7 hours, however -- > isn't SONET supposed to make this better? I'm not in Texas, but I am rural - there's plenty of places around here where it's just not economically feasible to run 2 diver

Re: Going dual-stack, how do apps behave and what to do as an operator (Was: Apple Airport Extreme IPv6 problems?)

2007-09-18 Thread Valdis . Kletnieks
On Tue, 18 Sep 2007 23:29:38 +0200, Iljitsch van Beijnum said: > they can't do it in hardware or with decent speed in software) but > there are no cheap(er) Juniper boxes that are suitable for deployment > as a 5 - 200 Mbps tunnel box, in my opinion. I presume your thinking is that by the time

Re: Question on Loosely Synchronized Router Clocks

2007-09-18 Thread Valdis . Kletnieks
On Tue, 18 Sep 2007 09:27:32 PDT, Bora Akyol said: > > It is not dependent on time. You'd like a protocol to be self sufficient if > at all possible. > > Moving the vulnerability of one protocol to another is not highly desirable > in general. The interesting failure mode is, of course, what hap

Re: Question on Loosely Synchronized Router Clocks

2007-09-17 Thread Valdis . Kletnieks
On Mon, 17 Sep 2007 14:28:45 PDT, Kevin Oberman said: > I had a router that lost it's NTP servers and was off by about 20 > minutes. The only obvious problem was the timestamps in syslog. (That's > what alarmed to cause us to notice and fix it.) Trying to correlate logfiles with more than a severa

Re: Apple Airport Extreme IPv6 problems?

2007-09-17 Thread Valdis . Kletnieks
On Mon, 17 Sep 2007 17:15:38 EDT, John Curran said: >In addition, if the record is added for the node, instead of >service as recommended, all the services of the node should be IPv6- >enabled prior to adding the resource record. " > > Not a problem for names which are single se

shameful-cabling gallery of infamy - does anybody know where it went?

2007-09-04 Thread Valdis . Kletnieks
http://gallery.colofinder.net/shameful-cabling had a great collection of "What not to do" photos, but it has apparently evaporated in the mists of time. Anybody know if it's at a new location, or is the Wayback Machine my only hope? (ISTR it also had an adjacent "cabling done right" gallery - doe

Re: IPv6 network boundaries vs. IPv4

2007-08-27 Thread Valdis . Kletnieks
On Sat, 25 Aug 2007 23:56:29 MDT, John Osmon said: > > Is anyone out there setting up routing boundaries differently for > IPv4 and IPv6? I'm setting up a network where it seems to make > sense to route IPv4, while bridging IPv6 -- but I can be talked > out of it rather easily. We decided to map

Re: ISP Filter Policies

2007-08-23 Thread Valdis . Kletnieks
On Thu, 23 Aug 2007 11:27:31 -1000, Randy Bush said: > how? if i read you aright, you are saying that there will likely be a > few strange folk at the 'edges' of the internet who will have problems > and whine. What percentage of those strange folk are the strange folk who have problems and whine

Re: For want of a single ethernet card, an airport was lost ...

2007-08-22 Thread Valdis . Kletnieks
On Tue, 21 Aug 2007 23:32:43 CDT, [EMAIL PROTECTED] said: > of all this President Bush insists the Iraq war is necessary. What bull...I'm > surprised a member of the press hasn't killed Bush.. I'm not at all surprised - the press has, as a whole, given the entire Executive branch and most of Congr

Re: Extreme congestion (was Re: inter-domain link recovery)

2007-08-15 Thread Valdis . Kletnieks
On Wed, 15 Aug 2007 11:59:54 EDT, Sean Donelan said: > Since major events in the real-world also result in a lot of "new" > traffic, how do you signal new sessions before they reach the affected > region of the network? Can you use BGP to signal the far-reaches of > the Internet that I'm having p

Re: inter-domain link recovery

2007-08-15 Thread Valdis . Kletnieks
On Wed, 15 Aug 2007 10:15:01 BST, [EMAIL PROTECTED] said: > telecom hotel/data centre. In the exchange point, you could > theoretically have special "INSURANCE" peering agreements where you > don't exchange traffic until there is an emergency, and then you can > quickly turn it on, perhaps using a

Re: [policy] When Tech Meets Policy...

2007-08-13 Thread Valdis . Kletnieks
On Mon, 13 Aug 2007 19:52:37 -, "Chris L. Morrow" said: > I'm really not sure, but I can imagine a slew of issues where 'marketting' > doesn't plan properly and corp-ID/corp-branding end up trying to register > and make-live a domain at the 11th hour... "Failure to plan ahead on your part doe

Re: Client information?

2007-08-10 Thread Valdis . Kletnieks
On Fri, 10 Aug 2007 09:45:39 CDT, Carl Karsten said: > thanks. I kinda figured it was something like that, but it was just a bit > too > unfamiliar, and around here (US) they just have 2 sides of the pool, know as > "the shallow end" and "the deep end". I think Peter was referring to the "Wad

Re: large organization nameservers sending icmp packets to dns servers.

2007-08-10 Thread Valdis . Kletnieks
On Thu, 09 Aug 2007 22:58:40 -, Paul Vixie said: > > How does the (eventual) deployment of DNSSEC change these numbers? > > DNSSEC cannot be signalled except in EDNS. Right. Elsewhere in this thread, somebody discussed ugly patches to keep the packet size under 512. I dread to think how man

Re: large organization nameservers sending icmp packets to dns servers.

2007-08-09 Thread Valdis . Kletnieks
On Thu, 09 Aug 2007 21:05:26 -, Paul Vixie said: > i think you're advising folks to monitor their authority servers to find out > how many truncated responses are going out and how many TCP sessions result > from these truncations and how many of these TCP sessions are killed by the > RFC1035

Re: large organization nameservers sending icmp packets to dns servers.

2007-08-06 Thread Valdis . Kletnieks
On Mon, 06 Aug 2007 16:11:36 EDT, Matthew Crocker said: > But you could, it isn't hard to dump a BGP view into a box from a > border router and use that map to determine the proper DNS records to > return. It's harder than it looks, given the number of people who pop up on this list and ask

Re: large organization nameservers sending icmp packets to dns servers.

2007-08-06 Thread Valdis . Kletnieks
On Mon, 06 Aug 2007 12:13:03 EDT, "Steven M. Bellovin" said: > > 1) ICMP is handled at the same rate as TCP/UDP packets in all the > > routers involved (so there's no danger of declaring a path "slow" > > when it really isn't, just becase a router slow-pathed ICMP). > > This is aimed at hosts, no

Re: large organization nameservers sending icmp packets to dns servers.

2007-08-06 Thread Valdis . Kletnieks
On Mon, 06 Aug 2007 11:53:15 EDT, Drew Weaver said: > Is it a fairly normal practice for large companies such as Yahoo! And > Mozilla to send icmp/ping packets to DNS servers? If so, why? Sounds like one of the global-scale load balancers - when you do a (presumably) recursive DNS lookup of one of

Re: Gwd: crypted document

2007-08-02 Thread Valdis . Kletnieks
On Thu, 02 Aug 2007 20:51:10 MDT, "Jason J. W. Williams" said: > It seems to me a lot of virus scanners picked up this behavior in the > days of the "I Love You" and Melissa viruses, when virii tended to > infect documents rather than be self-propagating worms. We haven't lived > in a world where i

Re: Seeking Comcast Contact: need to troubleshoot packet loss and/or asymmetric routing issue between Comcast & Onvoy

2007-08-02 Thread Valdis . Kletnieks
On Thu, 02 Aug 2007 18:33:16 PDT, Jim Shankland said: > Hmm; I've never actually heard of anybody doing PMTUD on non-TCP > traffic, though it's possible. Does anybody actually do it? AIX 5.2 and earlier supported it for UDP (we're getting out of the AIX business, so I can't speak to what 5.3 doe

Re: Why do we use facilities with EPO's?

2007-07-26 Thread Valdis . Kletnieks
On Wed, 25 Jul 2007 12:43:17 PDT, Roy said: > > Funny story about that and the EPO we have here... > > ... > Story #1 > Story #2 Story #3 So about 4 -5 years ago, we were in the middle of a major renovation of our server room. Moving machines all over the place, trying to clear about 6K contig

Re: How should ISPs notify customers about Bots (Was Re: DNS Hijacking

2007-07-24 Thread Valdis . Kletnieks
On Tue, 24 Jul 2007 12:00:40 CDT, Joe Greco said: > Hardly unexpected. The continuing evolution is likely to be pretty > scary. Disposables are nice, but the trouble and slowness in seeding > makes them less valuable. I'm expecting that we'll see > compartmentalized bots, where each bot has

Re: DNS Hijacking by Cox

2007-07-23 Thread Valdis . Kletnieks
On Mon, 23 Jul 2007 12:44:07 EDT, Sean Donelan said: > Its more resonable to expect users to know how to remove bots and fix > their compromised computers? Consider it an opportunity for somebody to get a new revenue stream. It can be your provider, or a competitor, or a 3rd party support compa

Re: How should ISPs notify customers about Bots (Was Re: DNS Hijacking

2007-07-23 Thread Valdis . Kletnieks
On Mon, 23 Jul 2007 12:42:22 EDT, Sean Donelan said: >b. terminate tens of thousands of user accounts (of users who are mostly > "innocent" except their computer was compromised) Given how often compromised computers have *multiple* installs of badware on them, just cleaning off *one* bot th

Re: How should ISPs notify customers about Bots (Was Re: DNS Hijacking

2007-07-23 Thread Valdis . Kletnieks
On Mon, 23 Jul 2007 11:39:35 EDT, Sean Donelan said: > messages. The irc.foonet.com server clearly sends several cleaning > commands used by several well-known, and very old, Bots. Old and well-known bots. Remember that for a moment, and think "6 month old antivirus signatures" for a bit >

Re: Carrier Recommendations

2007-07-17 Thread Valdis . Kletnieks
On Mon, 16 Jul 2007 15:39:30 MDT, Daniel said: > 1) A single carrier for global connectivity to all sites (mpls etc) > > 2) A single carrier for global regional connectivity, and in > country/regional carriers for all local offices that funnel back to regional > aggregation points. Is multihomin

Re: TCP congestion

2007-07-12 Thread Valdis . Kletnieks
On Thu, 12 Jul 2007 11:07:00 PDT, Philip Lavine said: > What is strange is there is nothing prior to the drop off that would be an > impetus for congestion (no high BW utilization or packet loss). Just because there wasn't any congestion reason that *you* could see where you hat your instrumentati

Re: Level(3) faux paux

2007-07-12 Thread Valdis . Kletnieks
On Wed, 11 Jul 2007 22:56:32 PDT, "Security Admin (NetSec)" said: > Am unsure whether or not this is a mis-statement, but based on NANOG posts, > Level(3) [AS3356] seems to show up mor=e often with issues than say Sprint > [AS1239]. How many places does AS3356 connect with other AS's, and how many

Re: The Choice: IPv4 Exhaustion or Transition to IPv6

2007-06-28 Thread Valdis . Kletnieks
On Thu, 28 Jun 2007 13:08:52 PDT, Bora Akyol said: > At a very low, hardware centric level, IPv6 would be a lot easier to > implement if > > 1) The addresses were 64 bits instead of 128 bits. > 2) The extension headers architecture was completely revamped to be more > hardware friendly. Wow, a b

Re: The Choice: IPv4 Exhaustion or Transition to IPv6

2007-06-28 Thread Valdis . Kletnieks
On Thu, 28 Jun 2007 13:27:30 EDT, Aaron Daubman said: > I wonder what it would take to convince a major online retailer > (Amazon?), an auction site (eBay?) or even transaction handlers > (google checkout, paypal?) to put up v6 portals that offered > across-the-board (or even select) discounts to

Re: TransAtlantic Cable Break

2007-06-22 Thread Valdis . Kletnieks
On Fri, 22 Jun 2007 10:43:46 EDT, Jim Popovitch said: > On Fri, 2007-06-22 at 10:27 -0400, Roderick S. Beck wrote: > > So none of the customers on that well known system have any ring > > protection at this point nor will they during the next two weeks. > Isn't that the way a ring works? Sounds l

Re: Software or PHP/PERL scripts for simple network management?

2007-06-19 Thread Valdis . Kletnieks
On Mon, 18 Jun 2007 21:18:06 BST, Leigh Porter said: > Just out of interest, why are you looking at routing tables to find an > available subnet? If your predecessor wasn't quite as careful documenting allocations, it can be useful to see if your paperwork says a /28 is dark, but you're in fact r

Re: FBI tells the public to call their ISP for help

2007-06-15 Thread Valdis . Kletnieks
On Fri, 15 Jun 2007 13:42:04 PDT, Scott Weeks said: > No I've never heard of that except, possibly, from non-clued phone monkeys. > It's easy to get past them to more clued folks, though... Maybe it's easy for you. It's usually a bit harder for a Joe Sixpack who has a Mac or Linux box, but does

Re: Network Level Content Blocking (UK)

2007-06-07 Thread Valdis . Kletnieks
On Thu, 07 Jun 2007 22:40:20 +0200, Iljitsch van Beijnum said: > Interestingly, nobody has mentioned on the list what the offending > content is yet. Or why this would even remotely be a good idea. Quoting the article http://publicaffairs.linx.net/news/?p=497 "At present, the government does n

Re: Security gain from NAT

2007-06-05 Thread Valdis . Kletnieks
On Tue, 05 Jun 2007 17:44:40 PDT, Roger Marquis said: > > >> Sure, very easily, by using NAT between the subnets. > > > > Have at it. Nothing like trying to reach 10.10.10.10 nad having > > to put in a dns entry pointing to 172.29.10.10 > > End-users prefer hostnames to IPs. DNS hostnames are va

Re: Security gain from NAT (was: Re: Cool IPv6 Stuff)

2007-06-04 Thread Valdis . Kletnieks
On Mon, 04 Jun 2007 12:20:38 PDT, Jim Shankland said: > I can't pass over Valdis's statement that a "good properly configured > stateful firewall should be doing [this] already" without noting > that on today's Internet, the gap between "should" and "is" is > often large. Let's not forget all the

Re: IPv6 Advertisements

2007-05-31 Thread Valdis . Kletnieks
On Thu, 31 May 2007 18:40:42 BST, Jeroen Massar said: > When you have a large company, the company is also split over several > administrative sites, in some cases you might have a single > administrative group covering several sites though, this allows you to > provide them with a single /48 as t

Re: Interesting new dns failures

2007-05-25 Thread Valdis . Kletnieks
On Fri, 25 May 2007 20:31:59 -, "Chris L. Morrow" said: > cameroon outsourced their dns infrastructure management to someone, that > contract includes a "we can answer X for all queries that would return > NXDOMAIN'" ... that's not 'asleep at the wheel' As I said, "asleep at the wheel or wor

Re: Interesting new dns failures

2007-05-25 Thread Valdis . Kletnieks
On Fri, 25 May 2007 12:08:44 PDT, Scott Weeks said: > [EMAIL PROTECTED] wrote: > > the bits of governments that deal with online crime, spam, etc., > > I can report that pretty much all of the countries that matter > > realize there's a problem, and a lot of them have passed o

Re: Interesting new dns failures

2007-05-22 Thread Valdis . Kletnieks
On Wed, 23 May 2007 01:32:41 BST, [EMAIL PROTECTED] said: > Anyone remember the Internet Scout? Even back then labors of love like > John December's list were more useful than the Internic services. That worked well for 14,000 .coms. It doesn't work for 140,000,000 .coms. > Does everybody on thi

Re: motivation for routing a bit of 44.0.0.0/8

2007-05-21 Thread Valdis . Kletnieks
On Mon, 21 May 2007 19:49:49 CDT, Neal R said: > Set up a separate SSID exclusively for HAM use. Use IPsec AH - > cryptographically signed traffic keeps the unlicensed out without > breaking the no payload encryption requirements. City gets help with the > civil defense radio of the 21st century,

Re: Interesting new dns failures

2007-05-21 Thread Valdis . Kletnieks
On Mon, 21 May 2007 11:54:36 PDT, Roger Marquis said: > Are there sites that accept mail from domains without a valid MX/A > record? Depends what you call "valid". A lot of sites get *real* confused when they find out that the MX for foo.com is where foo.com's *inbound* mail servers live, and th

Re: Interesting new dns failures

2007-05-21 Thread Valdis . Kletnieks
On Mon, 21 May 2007 10:38:56 -, [EMAIL PROTECTED] said: > if you can get concensus to remove .com, i'm sure the roots would > be willing to help out. Whose bright idea *was* it to design a tree-hierarchical structure, and then dump essentially all 140 million entries under the same

Re: Interesting new dns failures

2007-05-21 Thread Valdis . Kletnieks
On Sun, 20 May 2007 22:19:30 PDT, Roger Marquis said: > Nobody's saying that the root servers are responsible, only that they > are the point at which these domains would have to be squelched. In > theory registrars could do this, but some would have a financial > incentive not to. Some have a fin

Re: Policy of Dial-up session processing

2007-05-11 Thread Valdis . Kletnieks
On Fri, 11 May 2007 20:17:02 +0800, Joe Shen said: > Someone says , ISP should force those session > closed at 00:00 on first day of each month, because > they must ensure dial-up session of last month sould > not be accouted in next month. Is this true ? Or they could apply a little more kl

Re: Someone from roadrunner please contact me off list.

2007-04-26 Thread Valdis . Kletnieks
On Thu, 26 Apr 2007 12:02:38 PDT, Greg Schwimer said: > > > -- A message this specific is guaranteed to result in: A) zero responses from a RoadRunner staffer that can help you. B) Responses from groups inside RoadRunner that you didn't want to hear from. If you're trying to fix a BGP wedgie,

Re: IP Block 99/8 (DHS insanity - offtopic)

2007-04-24 Thread Valdis . Kletnieks
On Tue, 24 Apr 2007 12:34:25 BST, [EMAIL PROTECTED] said: > Did that. The first three are from J. Oquendo, Valdis Kletnieks and Hey - I stayed out of the signed-BGP and signed-DNS lunacy. The only thing *I* commented on was the reported leakage of 10 to 20 terabytes of data. And I think we

Re: IP Block 99/8 (DHS insanity - offtopic)

2007-04-23 Thread Valdis . Kletnieks
On Mon, 23 Apr 2007 14:40:31 EDT, "J. Oquendo" said: > More recently, Major General William Lord told Government Computer News > in August 2006 that China has downloaded 10 to 20 terabytes of data from > DoDÂ’s main network, NIPRNet. Hello, Chinanet? Some guys over in 99/8 want to know how to get

Re: UK ISP threatens security researcher

2007-04-20 Thread Valdis . Kletnieks
On Fri, 20 Apr 2007 14:56:06 EDT, Kradorex Xeron said: > In my personal opinion, ISPs, vendors, and such should legally be held > responsible for their product's security and unconditionally be made to > repair any security holes. -- if a vendor or ISP maintains good security > practices, there

Re: UK ISP threatens security researcher

2007-04-20 Thread Valdis . Kletnieks
On Fri, 20 Apr 2007 12:33:26 EDT, [EMAIL PROTECTED] said: > > How would you feel if you used a product a company KNOWS lacks > > fundamental security controls and does little to fix it. How would you > > feel if AFTER the fact someone leveraged a method to affect you. How > > would you feel AFTER

Re: UK ISP threatens security researcher

2007-04-20 Thread Valdis . Kletnieks
On Fri, 20 Apr 2007 15:51:20 BST, Stephen Wilcox said: > what other examples are there as you suggest a trend in hushing security > vulns? Skylarov ended up in jail for a while for daring to point out that a certain foolish vendor had used ROT-13 as their encryption scheme. Raven Adler had her

Re: Thoughts on increasing MTUs on the internet

2007-04-13 Thread Valdis . Kletnieks
On Fri, 13 Apr 2007 08:22:49 +0300, Saku Ytti said: > > On (2007-04-12 20:00 -0700), Stephen Satchell wrote: > > > From a practical side, the cost of developing, qualifying, and selling > > new chipsets to handle jumbo packets would jack up the cost of inside > > equipment. What is the paybac

Re: Abuse procedures... Reality Checks

2007-04-11 Thread Valdis . Kletnieks
On Wed, 11 Apr 2007 07:07:19 EDT, "J. Oquendo" said: > these so called rules? Many network operators are required to > do a lot of things, one of these things should be the > mitigation of malicious traffic from LEAVING their network. And I want a pony. We don't even do a (near) universal job of

Re: Abuse procedures... Reality Checks

2007-04-09 Thread Valdis . Kletnieks
On Mon, 09 Apr 2007 17:11:28 EDT, "Azinger, Marla" said: > In my company some functions related to sending a SWIP are automated, > but my company has people on staff who know that it is happening and > what it means. Just because *your* site has enough clue to get it right doesn't mean that the *a

Re: Blocking mail from bad places

2007-04-07 Thread Valdis . Kletnieks
On Sat, 07 Apr 2007 11:40:50 PDT, Thomas Leavitt said: > ... and why aren't bounce messages standardized in content and formatting?!? Jiminy creepers, why can't people run software that implements standards from the last frikking *millenium*??!? 1891 SMTP Service Extension for Delivery Status No

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