North American Network Operators Group

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Re: What Worked - What Didn't

  • From: Martin Cooper
  • Date: Mon Sep 17 18:34:23 2001

Alex Bligh <[email protected]> writes:

> --On Monday, 17 September, 2001 2:32 PM -0400 "Patrick W. Gilmore"
> <[email protected]> wrote:
> > Maybe I missed something?
> Only all the well documented attacks (including DoS).
> Think about sending RST to BGP port (and other random
> ports) on your routers.

I thought TCP stacks were supposed to do sequence number checking on
RST's to make sure they fell within the bounds of the unacknowledged
portion of the current window? Or is Cisco's implementation broken?