North American Network Operators Group
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Re: New Denial of Service Attack on Panix

  • From: Perry E. Metzger
  • Date: Tue Sep 17 00:29:10 1996 
Tim Bass writes:
> (2) Using documented stochastic methods, look for the hidden
>     pattern in the pseudo-random sequences.

I will point out that this is not possible in the general case.

> (3) Given it is possible to break the code,  hack together some
>     telnet 'update the router access-lists' based on the predictive
>     algorithm.  (another chapter, yet to be documented)

Let me get this straight.

You are being sprayed with over 200 packets a second in a random
sequence. You are to reload your Cisco's access lists 200 times a
second over a telnet based expect script or something similar?

This doesn't strike you as impractical?

> Admittedly, it is difficult

It is impossible using the stated methods.

Perry
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