> Something like... > iptables -A INPUT -i $ETHLAN -p udp -j ACCEPT --dport 67 --sport 68 > iptables -A OUTPUT -o $ETHLAN -p udp -j ACCEPT --dport 68 --sport 67
ipchains -A INPUT -i $YOURINTERFACE -p udp -s 0/0 68 --dport 67 -j ACCEPT ipchains -A OUTPUT -i $YOURINTERFACE -p udp -s 0/0 67 --dport 68 -j ACCEPT
