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Re: What Worked - What Didn't
From: John Kristoff <jtk () depaul edu>
Date: Tue, 18 Sep 2001 17:17:37 -0500


Roeland Meyer wrote:
Why, IGP shouldn't even be visible from outside the border, neh? Internal
issues are, internal issues. If it leaks, plug the leak.

It may be possible for for an attacker to send updates either from the
outside or perhaps more effectively from inside via a compromised host. 
In addition to authentication mechanisms, anti-spoofing/sanity filters
could also help.  Disabling the reception/advertisement of updates from
certain physical interfaces entirely that don't need them may also be
helpful.

John


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