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Re: Source address validation (was Re: UUNet Offer New ProtectionAgainst DDoS)

  • From: Sean Donelan
  • Date: Sun Mar 07 02:15:43 2004

On Sat, 6 Mar 2004, Avleen Vig wrote:
> On Sat, Mar 06, 2004 at 06:39:21PM -0500, Sean Donelan wrote:
> > Source address validation (or Cisco's term uRPF) is perhaps more widely
> > deployed than people realize.  Its not 100%, but what's interesting is
> > despite its use, it appears to have had very little impact on DDOS or
> > lots of other bad things.
>
> Try saying that after running a major DDoS target, with "HIT ME" your
> forehead.
> No offense Sean but I'd like you to back your claim up with some
> impirical data first.

Has the number of DDOS attacks increased or decreased in the last few
years has uRPF has become more widely deployed?

Do you have any evidence the number of attacks are decreasing?





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