Pentru ca securitatea in vremurile actuale este o chestiune de maxima importanta, incep mai jos o lista cu ip-uri rele de folosit in firewall-ul router-ului sau chiar pe servere, la care sa le dati DROP: iptables -I FORWARD 53 -d 92.63.194.7 -j DROP iptables -I OUTPUT 53 -d 92.63.194.7 -j DROP iptables -I FORWARD 52 -d 92.63.194.108 -j DROP iptables -I OUTPUT 52 -d 92.63.194.108 -j DROP iptables -I FORWARD 51 -d 92.63.194.106 -j DROP iptables -I OUTPUT 51 -d 92.63.194.106 -j DROP iptables -I FORWARD 50 -d 92.63.194.105 -j DROP iptables -I OUTPUT 50 -d 92.63.194.105 -j DROP iptables -I FORWARD 49 -d 92.63.194.104 -j DROP iptables -I OUTPUT 49 -d 92.63.194.104 -j DROP iptables -I FORWARD 48 -d 104.248.48.99 -j DROP iptables -I OUTPUT 48 -d 104.248.48.99 -j DROP iptables -I FORWARD 47 -d 138.68.100.204 -j DROP iptables -I OUTPUT 47 -d 138.68.100.204 -j DROP iptables -I FORWARD 45 -d 91.241.19.42 -j DROP iptables -I OUTPUT 45 -d 91.241.19.42 -j DROP iptables -I FORWARD 44 -d 92.63.194.22