These were designed to help setup a geographical blacklist for SMTP but could be easily adapted to iptables rules. I have designed a PHP front end to the database with a country selection form but it still needs a bit of fine tuning. http://tqmcube.com/worldcidr.php -- Our DNSRBL - Eliminate Spam: http://www.TQMcube.com/spam_trap.php Multi-RBL Check: http://www.TQMcube.com/rblcheck.php Zombie Graphs: http://www.TQMcube.com/zombies.php