Re: GLBX ICMP rate limiting (was RE: Tier-1 without their own backbone?)

2003-08-28 Thread Robert Boyle
At 09:26 AM 8/28/2003, you wrote: It takes some education to the customers, but after they understand why, most are receptive. Especially when they get DOS'ed. We have been rate limiting ICMP for a long time, however, it is only recently that the percentage limit has been reached and people have s

Re: Did Sean Gorman's maps show the cascading vulnerability in Oh io?

2003-08-18 Thread Robert Boyle
At 05:23 PM 8/18/2003, you wrote: On maandag, aug 18, 2003, at 23:11 Europe/Amsterdam, Omachonu Ogali wrote: You ARE: f) END USERS OF THE U.S. POWER INFRASTRUCTURE If only we had been, all of this would have been unnecessary... I wouldn't be surprised if for at least half of your "you are not"

Re: pool.ntp.org NTP servers

2003-06-07 Thread Robert Boyle
At 03:05 AM 6/8/2003 +, Paul Vixie wrote: what you're looking for in terms of an ntp server is "best isochrony". as long as the delay and loss constant it doesn't matter how high they are. a secondary sort term would be server load, but presumably a server which was too loaded could just stop

Re: AC/AC power conversion for datacenters

2003-06-04 Thread Robert Boyle
At 02:20 PM 6/3/2003 -0400, Matthew Zito wrote: This is marginally related to the power discussions earlier, but does anyone know of a product that steps up 120V AC to 220V AC and is reasonably datacenter-friendly? We're looking at an environment where there's no 220V available - but we only need

Re: Off topic - New "Nanog" gene

2003-05-30 Thread Robert Boyle
At 12:28 AM 5/30/2003 -0500, "Joseph T. Klein" <[EMAIL PROTECTED]> wrote: "In recognition of that power, the researchers have named the gene "nanog," a reference to the mythological Celtic land of Tir Nan Og, whose fairy-like residents are said to stay forever young." http://www.washingtonpost.com

Re: "They all suck!" Re: UPS failure modes (was: fire at NAC)

2003-05-30 Thread Robert Boyle
At 04:39 PM 5/29/2003 -0400, you wrote: A much cheaper and easier to implement external maintenance make-before-break bypass will accomplish the same thing. I've heard many a story of the paralleling gear causing the problem in the first place, as well... We have two MGE 150KVA UPSes at our Newton

UPS failure modes (was: fire at NAC)

2003-05-30 Thread Robert Boyle
At 12:27 AM 5/29/2003 -0400, you wrote: Sheesh. Heh. We're still here. Part of a rectifier in a Liebert UPS let loose, causing a momentary fire. That is, until the FM200 quenched it. Since there seems to be interest, I will post the post-mortem to the list. I had a little 2000VA rackmount Liebert

Re: Looking for advice on datacenter electrical/generator

2003-04-04 Thread Robert Boyle
At 06:25 PM 4/4/2003 -0800, you wrote: > http://electrochem.cwru.edu/yeager/ohiofuelcell/Norrick-Cummins.pdf You're right, that's really good reading. It is interesting to see where they think backup power generation is going and the current ratios of operating costs vs. purchase costs vs. fu

Re: Looking for advice on datacenter electrical/generator

2003-04-04 Thread Robert Boyle
At 05:01 PM 4/4/2003 -0800, Bill Woodcock <[EMAIL PROTECTED]> wrote: > 4) In larger sizes, Diesel gensets are _cheap_. The only difference between the diesel and gas genset is the carburetor, which is just different, not more expensive. Not entirely accurate. Since has low volumetric energy densit

New MS SQL Exploit DOS Attack started tonight at 12:30AM EST (GMT -0500)

2003-01-25 Thread Robert Boyle
Everyone, I don't know what is causing this, but we had several customer machines (which we don't manage) affected tonight. The common thread is that all were running an unpatched MS SQL Server. This new worm seems to create MASSIVE network traffic which propagates outbound. Somehow it seems

Re: PM3's crashing

2002-11-16 Thread Robert Boyle
At 11:50 PM 11/15/2002 -0500, you wrote: Anyone seeing odd crashes on Lucent PM3's tonight? We have boxes dying all over the network with hard lockups. The machines are in different physical locations with different telcos. It smells alot like a DOS of some sort. For some odd reason, both of

Re: What is a reasonable range for global BGP table size?

2002-07-18 Thread Robert Boyle
At 11:26 AM 7/18/2002 -0400, you wrote: >Hmm. > >We don't filter, and > >112942 network entries and 391859 paths using 25288182 bytes of memory We don't filter either and... 117800 network entries and 339843 paths using 23660948 bytes of memory "about 135k prefixes last i checked." is not wha

RE: Just an FYI - Apache Worm on the loose

2002-07-10 Thread Robert Boyle
At 06:42 PM 7/10/2002 -0400, Phil Rosenthal wrote: >If you want to be really proactive... Just filter out port 80, and then >you can't get hacked... That's simply not true! The command below will make your IP based network completely secure from outside attack. You need to issue this command on

Re: wcom overbilling

2002-07-06 Thread Robert Boyle
At 09:41 AM 7/6/2002 -1000, you wrote: >: It clearly is a revenue source. Once a customer gets a disconnect letter >: for their service due to an unpaid balance (which they shouldn't be able to >: do if the current non-disputed part is paid in full) then the heads roll >: and the padded bill gets

Re: wcom overbilling

2002-07-06 Thread Robert Boyle
At 10:44 AM 7/6/2002 -0400, you wrote: >I don't think we've done business with *any* telco that hasn't >overbilled us, both LECs (BellSouth, GTE/Verizon, Cincinnati Bell, ICG, >Adelphia), and l/d (wcom, T, MCI, probably others that I'm forgetting >about). Focal and Sprint Internet are the only t

Re: wcom overbilling

2002-07-05 Thread Robert Boyle
At 08:47 PM 7/5/2002 -0400, you wrote: >I have not been at one company, not one, service provider or otherwise that >has not had major WCOM billing issues. No matter how large or small we >were. In dealing with them in one form or another since 1994 when I started Tellurian Networks (Garden Ne

<    1   2