Firewall Wizards mailing list archives

Re: ATM security


From: Darren Reed <darrenr () reed wattle id au>
Date: Wed, 4 Sep 2002 01:12:40 +1000 (EST)

In some email I received from Alan Rudd, sie wrote:
Dear FW Wizards:
Is anyone aware of any commercial products (or any home grown ones), that
provide enterprise-wide visibility (mapping and monitoring) and/or
security/intrusion prevention/detection solutions for the OC3 and OC12 ATM
circuits that a lot of IP traffic travels on?   There are many products that
provide these capabilities for pure IP/Ethernet, but as ATM is still widely
used to provide Quality of Service and bandwidth management capability it
often becomes a neglected security issue - i.e. the (false) notion that "an
ATM (switched/cell-based) network won't get cracked".

As part of a very small company that is developing something along these
lines using floating point gate-array silicon technology (versus an ASIC), I
would like to discuss the potential issues and uses with any interested
parties that might help our research and development, as we are about to
deploy an "alpha" stage pilot project with a customer in October.

There was a paper many years ago that discussed the problems with ATM
circuits and related security vulnerabilities for IP.  The title of this
is "Securing 'Classical IP over ATM Networks'' (that should be find it
on the 'web.)  I'm not sure if that's what you're thinking about here...

If you get hard core about your ATM, you can (like some switches allow),
construct filters for ATM frames based on ATM addresses.  Not all
switches do, and the only ones I've experience with (Fore), were bought
out by Marconi who are now with their backs to the wall, did allow for
this.  These were Forerunners.

Darren
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