North American Network Operators Group
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Re: anti-spoofing filters
- From: RJ Atkinson
- Date: Sat Jun 23 22:04:57 2001
At 20:56 23/06/01, Christopher A. Woodfield wrote:
>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.
Mistakes happen in any network, because people are human.
That noted, the two major Cable ISPs *do* regularly put in
anti-spoofing filters on their access routers.
Anti-spoofing filters wouldn't have helped with the GRC DDOS
situation though, since the addresses used by the attacking systems
were *valid* in that case -- according to the GRC web site.
Ran
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