I am contemplating blocking all Korean and Chinese IP addresses from my machines using firewall rules. I am just sick of the port scanning, spamming, open proxy probes, virii and other unpleasant things that they do.
I asked on IRC and someone pointed me at this site that contains lists of IP’s in all sorts of formats, next I will hack something up to use a set in ipfw2 to put the rules, and will cron updating of them.
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