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Re: handling ddos attacks

  • From: Wayne E. Bouchard
  • Date: Thu May 20 15:05:00 2004

I too would be interested if someone could point a good white paper
for cisco DDOS protection mechanisms and best practices in general.

On Thu, May 20, 2004 at 11:52:01AM -0700, Mark Kent wrote:
> 
> I've been trying to find out what the current BCP is for handling ddos
> attacks.  Mostly what I find is material about how to be a good
> net.citizen (we already are), how to tune a kernel to better withstand
> a syn flood, router stuff you can do to protect hosts behind it, how
> to track the attack back to the source, how to determine the nature of
> the traffic, etc.
> 
> But I don't care about most of that.  I care that a gazillion
> pps are crushing our border routers (7206/npe-g1).
> 
> Other than getting bigger routers, is it still the case that the best
> we can do is identify the target IP (with netflow, for example) and
> have upstreams blackhole it?
> 
> Thanks,
> -mark

---
Wayne Bouchard
web@typo.org
Network Dude
http://www.typo.org/~web/




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