On Sep 28, Florian Weimer <fw@deneb.enyo.de> wrote: > Unfortunately, using BGP to combat spam on a large scale will result > in more spammers attacking BGP. As BGP provides no real This is not really a plausible threat model. And as you noticed, by-ASN blocking is very resource-intensive. I suggest the author of the original statistics to also try classifying the spam by announced network prefix, which I believe will show more interesting aggregation properties. (This software will help, and is way faster than DNS lookups: http://www.linux.it/~md/software/zebra-dump-parser.tgz .) -- ciao, | Marco | [8235 arTOjI.mmjFsg]
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