North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: SMURF amplifier block list
Good point. -- -- Karl Denninger ([email protected])| MCSNet - Serving Chicagoland and Wisconsin http://www.mcs.net/ | T1's from $600 monthly / All Lines K56Flex/DOV | NEW! Corporate ISDN Prices dropped by up to 50%! Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS Fax: [+1 312 803-4929] | *SPAMBLOCK* Technology now included at no cost On Tue, Apr 14, 1998 at 03:25:34PM -0500, Stephen Sprunk wrote: > 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. > > Stephen > > > 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: [email protected] > Sprint Paranet -Albert Einstein ICBM: 33.00151N 96.82326W
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