nanog mailing list archives

RE: [long] Re: DDoS: CAR vs TCP-Intercept vs NetFlow


From: Vijay Gill <wrath () cs umbc edu>
Date: Mon, 28 Feb 2000 22:45:21 -0500 (EST)


On Mon, 28 Feb 2000, Paul Ferguson wrote:

Again, forget about flow-switching in any context except for
tracing back attackers.

Correct.

If you want the functionality to lower the threshold of DoS pain,
CEF is your baby.

When it is working, yes.

This is an operational forum, yes? Where is the input from the
(current) operators?

We're still waiting on the hidden commands to be documented as mentioned
below.

http://www.zdnet.com/intweek/stories/news/0,4164,2435950,00.html

{quote}
Routers from Cisco and other vendors have the ability to detect the
signature patterns of a denial-of-service attack, and the routers can
filter out that traffic, Farnsworth said.
\end{quote}

/vijay





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