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North American Network Operators Group

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Re: Level3 routing issues?

  • From: Matthew Kaufman
  • Date: Sat Jan 25 23:02:35 2003

> I've seen various references to this worm firing off and saturating 
> networks worldwide within 1 minute... if *that* isn't scary, I don't know 
> what is.  It shows that someone, with the right tools and enough vulnerable 
> servers can take out a good portion of the Internet in seconds.  And how 
> can we predict *every* possible issue and block it?

The good news with this worm was that the ports it used had low real utility
for inter-provider traffic. Compare and contrast to Code Red, where "block
TCP port 80" isn't such a great way to slow down the worm if you have any 
customers who like to use "the web"

A combination of the speed at which this spread and a port nobody wants to
block will undoubtedly happen in the future, and be ugly, both.

Matthew Kaufman
matthew@eeph.com (home)
mkaufman@dsl.net (work)





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