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echo 1 >; /proc/sys/net/ipv4/ip_forward
echo "clear the iptables rules"
/etc/init.d/iptables stop
/sbin/iptables -A INPUT -p icmp -j DROP
/sbin/iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -j MASQUERADE
/sbin/iptables -F FORWARD
/sbin/iptables -P FORWARD ACCEPT
/sbin/iptables -t nat -A POSTROUTING -j MASQUERADE
/sbin/iptables -F FORWARD
/sbin/iptables -A FORWARD -p udp -s 192.168.1.0/24 --dport 53 -j ACCEPT
/sbin/iptables -A FORWARD -p tcp -s 192.168.1.0/24 --dport 1723 -j ACCEPT
/sbin/iptables -A FORWARD -p gre -s 192.168.1.0/24 -j ACCEPT
/sbin/iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT |
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