nanog mailing list archives

Re: DDOS prevention offensive.


From: Jason Slagle <raistlin () tacorp net>
Date: Thu, 12 Jul 2001 13:19:26 -0400 (EDT)


On Thu, 12 Jul 2001, Bill Larson wrote:


Well to sum it up in one sentence. If you eliminate the bogus addresses, you
can then target the actual zombie machines used to attack the site and
eventually eliminate the risk via patching or null route them. So filtering
bogus addresses, non-routable addresses, and the addresses, which do not
belong to your net blocks, would serve to combat the denial of service
attacks.


I believe the attacks in question are actually non-spoofed.

It's getting the source networks to remove the boxes that is the
problem.  Most of them are .edu.

-- 
Jason Slagle - CCNP - CCDP
Network Administrator - Toledo Internet Access - Toledo Ohio
- raistlin () tacorp net - jslagle () toledolink com - WHOIS JS10172
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