[dns-operations] Continued weekly DDoS fun

Roland Dobbins rdobbins at cisco.com
Mon Jan 12 18:24:27 UTC 2009

On Jan 13, 2009, at 2:08 AM, Tom Daly wrote:

> This would help. I'll ask our upstreams.

Your upstream probably won't let you block source IPs on their side of  
the last-mile hop, as this could obviously cause problems for other  
customers homed into that same edge router, unfortunately.  You can  
certainly use it as a stopgap measure to block on your side, whilst  
you ring for assistance.

It also might be useful to see if your upstream offers some kind of  
Clean Pipes service which specifically deals with the peculiarities of  

Roland Dobbins <rdobbins at cisco.com> // +852.9133.2844 mobile

      All behavior is economic in motivation and/or consequence.

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