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

  • From: Christopher L. Morrow
  • Date: Sun Mar 07 17:30:27 2004

removed paul from the direct reply since his mailserver doesn't like uunet
mail servers :)

On Sun, 7 Mar 2004, Stephen J. Wilcox wrote:

> > smurf attacks are far from 'non-existent' today, however they are not as
> > popular as in 1999-2000-2001.
>
> thats interesting, i've not seen/heard of one for ages.. (guess u have a wider
> testing ground :)
>

just last week we had one... they do still happen.

> > In fact netscan.org still shows almost 9k networks that are 'broken'.
>
> actually i just ran that file thro a quick awk and sort to see to what extent
> these networks exist..
>
> as you can see almost all only reply two or three times, not like in the old
> days with >100 replies being commonplace..
>

Sure, but a list of 9k networks with this leve of response is still enough
to do damage. It's getting better, no doubt about it but it's still a
factor.



--Chris
(formerly chris@uu.net)
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