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export INTR=eth1
export INET=eth2

iptables -A FORWARD -o ${INTR} -m state --state NEW -p TCP --dport 113	-j ACCEPT

iptables -A FORWARD -o ${INET} -m state --state NEW -p TCP --sport 6112,80,443,6667 -j ACCEPT

iptables -A FORWARD	       -m state --state ESTABLISHED		-j ACCEPT

iptables -A FORWARD  							-j REJECT