iptables firewall script for bittorrent-curses

This is a basic iptables firewall script for downloading bittorrents:

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

# Unlimited access to loop back
iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT

# Allow UDP, DNS and Passive FTP
iptables -A INPUT -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT

#allow bittorent incomming client request
iptables -A INPUT -p tcp --destination-port 6881:6999 -j ACCEPT

#Uncomment below to allow sshd incoming client request
#iptables -A INPUT -p tcp -dport 22 -j ACCEPT

# DROP everything and Log it
iptables -A INPUT -j LOG
#iptables -A INPUT -j DROP

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