RE: Measured Internet good v. bad traffic

2003-08-27 Thread David Schwartz
I mean if the traffic were unrealistically to increase so that bad traffic was 50% of all traffic we would all have to double our circuit and router capacity and you either pass that cost on directly (charge for extra usage) or indirectly (increase the $ per Mb) to the user. I think

RE: To send or not to send 'virus in email' notifications?

2003-08-20 Thread David Schwartz
For virus scanners that run at other stages in the delivery process, the right decision about whether to do a notification or not is virus-dependent, if your anti-virus package supports it. Sobig almost always forges sender addresses, so it shouldn't get a reply, but some other viruses

RE: East Coast outage?

2003-08-15 Thread David Schwartz
For two, most of the things that consume power are not in fact consuming exactly a fixed amount of power. Light bulbs go dimmer if you reduce voltage; electrical motors will produce less power (torque X rpm) if voltage drops, etc. Minor blips are happening all the time in major grids, and

RE: OT: Re: User negligence?

2003-07-27 Thread David Schwartz
I think there is confusion here. The banks are making the claim, that, if you the user, has an infected PC, that is compromised by an 3lit3 h4x0r, and your password to your bank account is compromised, then the bank is not responsible. That is what you are saying, Sean? While

RE: rfc1918 ignorant

2003-07-23 Thread David Schwartz
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Wednesday, July 23, 2003 6:10 AM To: Dave Temkin Cc: [EMAIL PROTECTED] Subject: re: rfc1918 ignorant On Wed, 23 Jul 2003, Dave Temkin wrote: Is this really an issue? So

RE: IANA reserved Address Space

2003-05-31 Thread David Schwartz
On Fri, 30 May 2003 [EMAIL PROTECTED] wrote: RFC1918 is a set number of IP addresses. If you are working on a private network lab that will be on the internet eventually or have parts on the internet and exceeds the total number of IPV4 addressing set aside in RFC1918, and IPV6 private

Re: is this true or... ?

2003-03-28 Thread David Schwartz
. That said, if it takes a bit of FUD to get attention to a bad law, that's maybe not such a terribly bad thing. The risk is that lawmakers will refute the FUD and then feel comfortable going ahead with a bad law. -- David Schwartz [EMAIL PROTECTED]

Re: anti-spam vs network abuse

2003-02-27 Thread David Schwartz
such proxies commonly run and some ports may require more than one connection to test multiple protocols. We never do such a probe except as a response to a connection made to us. -- David Schwartz [EMAIL PROTECTED]

Re: AOL Cogent

2002-12-28 Thread David Schwartz
On Sat, 28 Dec 2002 18:34:01 -0500, Leo Bicknell wrote: All in all, I find ratios an extremely poor way of validating a peer. I can think of many cases where it is in both parties interest to peer, but where the traffic might be extremely unbalanced. Yes, the fact that it is unbalanced can

Re: /8s and filtering

2002-12-10 Thread David Schwartz
I was also curious about this - if I am a customer who wants to multihome and can justify only a /24, I would go to an ISP which has an allocation from the Class C space rather than one from the Class A space. It doesn't matter. For all practical purposes, basement multihomers only care

Re: FW: /8s and filtering

2002-12-10 Thread David Schwartz
On Tue, 10 Dec 2002 12:36:39 -0600 (CST), Forrest wrote: Maybe I'm missing something, but what good would it do for someone to multihome if only their own providers accept their route, but nobody else does? I realize that their block should be still announced with their ISP's larger aggregate,

Re: FW: /8s and filtering

2002-12-10 Thread David Schwartz
On Tue, 10 Dec 2002 12:45:42 -0800 (PST), Harsha Narayan wrote: Doesn't this mean that unless filtering policies change, after Class C space is used up, the multihomer will have to get a /22 from the ISP (since after Class C gets used up allocations will be made from Class A space). There are

RE: Spam. Again.. -- and blocking net blocks?

2002-12-10 Thread David Schwartz
On Tue, 10 Dec 2002 15:45:29 -0500, Scott Silzer wrote: I could understand if an ISP was allowing spam from a portion of there network. But in this case the only thing that the ISP did is host a website, the SPAM was sent from from a third party's network. The ISP did terminate the customer

Re: Operational Issues with 69.0.0.0/8...

2002-12-06 Thread David Schwartz
On Fri, 6 Dec 2002 16:52:38 -0500, Richard A Steenbergen wrote: You are under the delusion tht ARIN is selling goods. If they were, we'd all have something to complain about. ARIN is selling you 5 bytes, a couple records for contact info, a whois server, a template processing system which takes

Re: Networking in Africa...

2002-12-03 Thread David Schwartz
On Tue, 03 Dec 2002 10:27:49 -0500, David Charlap wrote: I don't know what (if any) legal right of privacy is in Nigeria, but I would suspect that a publicly posted policy notice (like management reserves the right to monitor all traffic and a strict TOS policy) should mitigate any legal

Re: Cyberattack FUD

2002-11-22 Thread David Schwartz
On Fri, 22 Nov 2002 16:31:30 -0800 (PST), Vadim Antonov wrote: In the regular skyjacking the attackers want to get ransom, or divert an airplane to someplace. They'll get cooperation from pilots, too - without any need to be present in the cockpit. So if it is known that the policy is not to

Re: Cyberattack FUD

2002-11-21 Thread David Schwartz
On Thu, 21 Nov 2002 20:12:20 -0800 (PST), Vadim Antonov wrote: On Thu, 21 Nov 2002, Barry Shein wrote: The attack on the WTC not only took out the WTC, it essentially has taken out our airline industry. It may be argued that airline industry has taken out itself by first not having elementary

Re: CogentCo

2002-11-18 Thread David Schwartz
On Mon, 18 Nov 2002 14:46:51 -0500 (EST), Mike (meuon) Harrison wrote: It also appears to block Gnutella and similar protocols. You should never sign an IP access agreement that doesn't give you access to the filtering rules that affect your traffic. Ideally, you should strongly avoid

Re: Who does source address validation? (was Re: what's that smell?)

2002-10-09 Thread David Schwartz
Ok but real world calling. I have tried this and when customers find something doesnt work on your network but it does on your competitor you make it work even if that means breaking rules. What services require transport of packets with RFC1918 source addresses across the public network? I

Re: Who does source address validation? (was Re: what's that smell?)

2002-10-09 Thread David Schwartz
On Wed, 9 Oct 2002 15:53:40 -0400 (EDT), [EMAIL PROTECTED] wrote: Do you have experience of such breakage from your own customers? It would be interesting to hear details. Loss of ICMP packets generated by links with endpoints numbered in RFC1918 space. Holes in traceroutes, broken PMTU

Re: iBGP next hop and multi-access media

2002-10-07 Thread David Schwartz
On Mon, 07 Oct 2002 15:37:16 -0400, [EMAIL PROTECTED] wrote: I suppose they *could* - the fun then starts when you get a routing flap and the other router tells you that you're not on one subnet because the subnet is unreachable and would you please remove the interface? And I'm willing to

RE: Cogent service

2002-09-23 Thread David Schwartz
On Sun, 22 Sep 2002 23:16:20 -0400 (EDT), [EMAIL PROTECTED] wrote: What are these 'special needs' people keep mentioning? What special needs might you have of your transit providers? It's hard to generally categorize special needs because they're special. I can give you an example

Re: Cogent service

2002-09-19 Thread David Schwartz
On Thu, 19 Sep 2002 22:35:48 +0300 (IDT), Arie Vayner wrote: Does anyone have any comments (good or bad) about Cognet as a transit provider in New York? They seem to be too cheap. Arie We use them. They work, they're reliable, they keep their promises, and their NOC is incredibly

Re: IP address fee??

2002-09-05 Thread David Schwartz
I think an important question would be what level of service are they buying. Including 255 address with a T3 would be very reasonable, less so with a T1, not very reasonable with DSL, and ridiculous with a dial-up account. I must be missing something. Why would you expect need for IP

Re: Paul's Mailfrom (Was: IETF SMTP Working Group Proposal at smtpng.org)

2002-08-27 Thread David Schwartz
Maybe I don't want my email sitting around in your MTA queue for your sysadmins to read. Given the volumes of mail that pass through these kinds of things, that's not likely to be a problem. More likely to be a problem would be the fact that the mail might sit there for a week before it

Re: Paul's Mailfrom (Was: IETF SMTP Working Group Proposal at smtpng.org)

2002-08-27 Thread David Schwartz
On Tue, 27 Aug 2002 19:40:16 -0700, Jim Hickstein wrote: --On Tuesday, August 27, 2002 6:13 PM -0700 David Schwartz [EMAIL PROTECTED] wrote: I'm afraid the technology to rapidly sift through large volumes of information to search for specific areas of interest is widely available

Re: Paul's Mailfrom (Was: IETF SMTP Working Group Proposal at smtpng.org)

2002-08-26 Thread David Schwartz
Force forward by default, but allow anyone who wants to use TCP port 25 the ability to do so. They must sign an non-abuse agreement or whatever. Then they get their host/link put into the TCP port 25 open path. Every ISP I have ever worked for and every ISP I have ever used has

Re: Major Labels v. Backbones

2002-08-19 Thread David Schwartz
On Mon, 19 Aug 2002 16:59:03 +0100, [EMAIL PROTECTED] wrote: The industry needs one or more clueful persons willing to act as expert witnesses in these types of court cases. Because of Dave Farber's role in the early Internet, the legal community views him as an authority on the subject. At

RE: $400 million network upgrade for the Pentagon

2002-08-15 Thread David Schwartz
I'm sure that they have all sorts of methods. On the other hand, cellphones make devilishly difficult bugs to eliminate, especially the ones that are capable of automatically answering the call and activating the microphone without any audible ring. You can't just block all cellphones,

Re: Microslosh vision of the future

2002-08-11 Thread David Schwartz
buy it. I don't see Bill Gates packing heat any time soon. *yawn* -- David Schwartz [EMAIL PROTECTED]

Re: Microslosh vision of the future

2002-08-11 Thread David Schwartz
On Sun, 11 Aug 2002 18:43:17 -0700 (PDT), Vadim Antonov wrote: Microsoft already duped the software consumers into buying into fully proprietary software. I don't think duped is really a fair description. They simply provide a large number of users with what they want. There isn't

Re: routing table size

2002-07-27 Thread David Schwartz
On Sat, 27 Jul 2002 23:04:02 +0100 (BST), Stephen J. Wilcox wrote: I've a feeling that the fact that everyone shares at least the view that a /24 is minimum helps to contain the routing table. (even if there are still thousands of /24 announcements) If a significant number of providers

Re: Sprint peering policy

2002-07-01 Thread David Schwartz
On 29 Jun 2002 02:32:03 +, Vijay Gill wrote: Mike Leber [EMAIL PROTECTED] writes: Sprint's peers aren't equal to Sprint or each other when considered by revenue, profitability, number of customers, or geographical coverage. A good proxy for the above is to ask the question: Do X and Y

RE: Sprint peering policy

2002-07-01 Thread David Schwartz
On Mon, 1 Jul 2002 13:22:25 -0400, Phil Rosenthal wrote: But if you were hungrier, and they were the only place that had food, they *COULD* charge whatever they want, and you'd be willing to pay it, no? --Phil Obviously any business would like to get the highest possible price for

RE: Sprint peering policy (fwd)

2002-07-01 Thread David Schwartz
On Mon, 01 Jul 2002 14:15:21 -0400, Ukyo Kuonji wrote: You wouldn't buy the notion of reciprical billing? I think this would most likely be the fairest, but maybe the hardest to implement. It would either have to be done at the end points, or at every interconnect. In this method, if the

Re: ARIN IP allocation questionn

2002-06-27 Thread David Schwartz
My *personal* opinion is that wise ISPs only punt customers to ARIN once they reach the point where they can, in fact, have a normal ARIN netblock assigned directly to them (currently a /20, unless I slept through another change...) The guidelines have a strong preference for

Re: ARIN IP allocation questionn

2002-06-27 Thread David Schwartz
On Thu, 27 Jun 2002 11:18:50 -0600, Joel Baker wrote: On Thu, Jun 27, 2002 at 01:56:26AM -0700, David Schwartz wrote: My *personal* opinion is that wise ISPs only punt customers to ARIN once they reach the point where they can, in fact, have a normal ARIN netblock assigned directly to them

Re: IP renumbering timeframe

2002-05-09 Thread David Schwartz
On Mon, 6 May 2002 09:59:24 -0400 (EDT), David R Huberman wrote: Is that true? I thought the space belongs to ARIN, and they loan it to certain parties. Those parties can use the IPs in accordance with ARIN rules. The way you've written the above statements makes them true. However, such a

Re: IP renumbering timeframe

2002-05-09 Thread David Schwartz
On Thu, 9 May 2002 19:46:53 -0400 (EDT), David R Huberman wrote: DS writes: Nonetheless, ARIN is in the business of requiring compliance with its policies as a condition of IP address allocations. In the real world ARIN only looks at existing assignments to judge the worthiness of an

Re: IP renumbering timeframe

2002-05-09 Thread David Schwartz
On Thu, 9 May 2002 20:17:32 -0400 (EDT), David R Huberman wrote: I'm not a lawyer and cannot answer the questions you pose. However I fail to see why the interesting legal principles you are espousing have anything to do with the original topic of this thread: an upstream revoking an

Re: Sheilded Cat-5E Ground Loop - Myth or Reality?

2002-04-10 Thread David Schwartz
On Wed, 10 Apr 2002 18:17:01 -0400 (EDT), David Lesher wrote: If you use that sand-based media instead of the copper; you'll avoid LOTS of issues -- ground loops, induced noise, corrosion resistance, etc... Fiber Is Your Friend. You do have to worry about shark attack though.

RE: long distance gigabit ethernet

2002-03-24 Thread David Schwartz
On Sun, 24 Mar 2002 09:03:59 +0200, Chen Genossar wrote: Hi Greg, Are you familiar with companies that provide two gig Ethernets into an OC-48 channel ? That's exactly what Cogent put in at our office. They actually have two OC-48s (DWDM, so they're over the same fiber) that go into

Re: Question re. SSH

2002-03-20 Thread David Schwartz
On Wed, 20 Mar 2002 11:50:22 -0500, Steve Sobol wrote: Apologies in advance for any operational content this may contain. I have a customer who wants to get a static ip with his dialup. He uses SSH extensively and plans to do X11 forwarding, and if he gets disconnected and redials and gets

<    1   2