This is a basic iptables firewall script for downloading bittorrents: #!/bin/sh iptables -F iptables -X iptables -t nat -F iptables -t nat -X iptables -t mangle -F iptables -t mangle -X #modprobe ip_conntrack #modprobe ip_conntrack_ftp # Setting default filter policy #iptables -P INPUT DROP iptables -P OUTPUT ACCEPT # Unlimited access to loop back iptables -A INPUT -i lo -j […]