nanog mailing list archives

Re: Effective ways to deal with DDoS attacks?


From: Ralph Doncaster <ralph () istop com>
Date: Mon, 6 May 2002 19:04:11 -0400 (EDT)


What's NANOG's opinion: assuming that uRPF is implemented on all
customer interfaces, are there any legitimate purposes for a customer to
forward packets with source IP addresses not currently routed by the
transit provider towards the customer (either static or BGP)?

IP Tunneling - it often makes more sense to send packets out that have a
source address reachable only through the tunnel.


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