Attacking on Source Port 0 (ZERO)

Nick Hilliard nick at foobar.org
Sun Oct 14 20:57:53 UTC 2012


On 14/10/2012 20:59, Shahab Vahabzadeh wrote:
> But I see abnormal cpu usage (%99) in my BRAS's which are Cisco 7206 VXR.

If you haven't already configured CoPP on your BRASs, you might want to
look at deploying it.  It won't solve this sort of problem, but it will
probably help:

> http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6586/ps6642/prod_white_paper0900aecd804fa16a.html

There are many other configuration examples and documentation pages on the
web, but this one gives a good overview.

Nick




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