Re: anti-spoofing filters

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