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Home > Archive > Debian Developers > September 2004 > Re: Spam, ASNs, CIDRs, and d-u
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Re: Spam, ASNs, CIDRs, and d-u
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| Marco d'Itri 2004-09-28, 5:57 pm |
| 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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