[38931] in North American Network Operators' Group

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Re: Few questions to the american ISPs [Re: DDOS anecdotes]

daemon@ATHENA.MIT.EDU (Christopher A. Woodfield)
Sat Jun 23 20:59:24 2001

Date: Sat, 23 Jun 2001 20:56:58 -0400
To: Alexei Roudnev <alex@relcom.EU.net>
Cc: nanog@merit.edu, "Sean M. Doran" <smd@clock.org>
Message-ID: <20010623205658.B26177@semihuman.com>
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From: "Christopher A. Woodfield" <rekoil@semihuman.com>
Errors-To: owner-nanog-outgoing@merit.edu


At a conference in late 1999, UUNet announced that they had anti-spoof 
filters in place on their dialup ports. Not that that amount to much in 
contrast to teh amount of spoofed DDOS traffic from cable providers, mind 
you...IIRC, it's the cable providers that need to put up the anti-spoofing 
filters the most.

-C

> - any big ISP have skilled security person available. When I worked in Russia, it
> took 10 - 15 minutes to contact your ISP and install such filters; for EUnet, it
> took 20 minutes; for TELIA, it was the same. For any amertican ISP, it took a week
> (UUnet was an exception)...
> - all cable providers will have src address filters, so preventing src address
> frauding.
> 

-- 
---------------------------
Christopher A. Woodfield		rekoil@semihuman.com

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