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...password attacks and port scans at the cost of a few CPU cycles, that's a good thing. I've had the new rules up on one server for about half an hour and can see about 10 or so connection attempts from the addresses in question. What do you think? Kirk Bocek #!/usr/bin/perl # # iana-makeiptables.pl # Convert IPv4 Address assignment document from iana.org into # a shell script that will insert iptables rules to block traffic # from selected regional registries. # # Copy the data from: # http://www.iana.org/assignments/ipv4-address-space # and save it to the file in $datafile (her...