Don't accept RELATED packets

src/freedombone

 	iptables -P INPUT DROP
 	ip6tables -P INPUT DROP
 	iptables -A INPUT -i lo -j ACCEPT
-	iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
+	iptables -A INPUT -m conntrack --ctstate ESTABLISHED -j ACCEPT
 
 	# Make sure incoming tcp connections are SYN packets
 	iptables -A INPUT -p tcp ! --syn -m state --state NEW -j DROP