Pentru cine doreste sa blocheze prefixele de adrese ip listate la Spamhaus catre serverul de email (port 25), sau alte porturi: for i in `curl -s http://www.spamhaus.org/drop/drop.lasso |awk '{print $1}'| sed -rn '/([0-9]{1,3}\.){3}[0-9]{1,3}/p'` do iptables -I INPUT -p tcp -s $i --dport 25 -j REJECT --reject-with tcp-reset -m comment --comment "SPAMHAUS" done req: iptables, curl In caz ca nu se vede bine: http://sprunge.us/ThHZ