On Apr 28, 2014, at 3:18 PM, Cliff Bowles <cliff.bow...@apollo.edu> wrote:

> Or do ISPs put some level of security between their tenants and the internet 
> to prevent this? I've been told that the majority do not have any intelligent 
> filtering beyond bogon-lists.

Flow telemetry export/collection/analysis for 
detection/classification/traceback (there are several open-source tools), 
S/RTBH or flowspec to squelch outbound badness.  Plus all the usual BCPs:

<https://app.box.com/s/4h2l6f4m8is6jnwk28cg>

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Roland Dobbins <rdobb...@arbor.net> // <http://www.arbornetworks.com>

          Luck is the residue of opportunity and design.

                       -- John Milton

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