SMURF amplifier block list
sprunk at paranet.com
Tue Apr 14 20:25:34 UTC 1998
Are we really concerned about being smurfed by a /30, or even a /27?
The essential problem is backbone class-C's, especially those in NAPs
where coordination is nearly impossible. Smaller subnets tend to be in
small ISPs' or customers' networks, which don't pose a threat since they
lack the bandwidth for an effective attack.
Karl Denninger wrote:
> The larger problem is that subnetted /24s still are wide open. This kind of
> filter won't block anything from their broadcast addresses, since they're
> not the .255 address.
Stephen Sprunk "Oops." Email: sprunk at paranet.com
Sprint Paranet -Albert Einstein ICBM: 33.00151N 96.82326W
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