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Re: Re[2]: SYN floods (was: does history repeat itself?)

daemon@ATHENA.MIT.EDU (Justin W. Newton)
Tue Sep 10 17:38:31 1996

Date: Tue, 10 Sep 1996 17:47:19 -0400
To: "Alec H. Peterson" <chuckie@panix.com>, alexis@panix.com (Alexis Rosen)
From: "Justin W. Newton" <justin@erols.com>
Cc: pcalhoun@usr.com, nanog@merit.edu, perry@piermont.com

At 02:12 PM 9/10/96 -0400, Alec H. Peterson wrote:
>>
>>FWIW, even with a thousand very busy modems, I'm pretty sure that even a
>>small cisco is up to the job. They just don't generate all that much
traffic.
>
>Could be, although I'd want to see this before I bet the farm on it.
>I'm not sure how efficient crisco's filtering algorithm is...
>

I have found that 2500's do not have the processor for even basic filtering
when sitting in front of several hundred modems.  4700's on the other hand
(and 7200's) have the ability to handle the job with little difficulty.

Justin Newton
Internet Architect
Erol's Internet Services

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