On Wed, 24 Sep 2003, Daniel Bird wrote:
> A P2P DNSBL? interesting. I've also thought about this a little since
[snip..]
> DNSBL could learn from that seed other DNSBLS, and replicate the data,
> and then (maybe?) do the RBL lookups locally.
>
> Obviously, the file (zone) transfers involved would be reasonably large
> (anyone have any ideas on who big a DNSBL from someone like SpamHaus
> would be?)
As an EWAG, 40~80 Mbytes.
Some protocol that has a "flooding" mechanism would be much more
robust and resistant to DDoSs and overload. Think about something
like Usenet News or NTP. (the source hands copies to 5 neighbors,
they hand it to each of their 5 neighbors, ...).
--
Dave Funk University of Iowa
<dbfunk (at) engineering.uiowa.edu> College of Engineering
319/335-5751 FAX: 319/384-0549 1256 Seamans Center
Sys_admin/Postmaster/cell_admin Iowa City, IA 52242-1527
#include <std_disclaimer.h>
Better is not better, 'standard' is better. B{
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