So I telnet to my router and enter my iptables commands:
iptables -I FORWARD -o eth0 -m state --state NEW -j DROP
iptables -I FORWARD -o eth0 -d x.x.x.x/24 -m state --state NEW -j ACCEPT
iptables -A INPUT -s y.y.y.y -j DROP
iptables -A OUTPUT -d y.y.y.y -j DROP
Works fine, but those rules will...
